Text

Auxiliary Sys Voltage Regulation
	ML20078D689
Person / Time
Site:	San Onofre
Issue date:	08/16/1993
From:	Gurjala N, Pham S; SOUTHERN CALIFORNIA EDISON CO.
To:	;
Shared Package
ML20078D676	List: ML20078D671; ML20078D682; ML20078D689; ML20078D695;
References
	E4C-090, E4C-090-R01, E4C-90, E4C-90-R1, NUDOCS 9501300171
	Download: ML20078D689 (153)
	v • d • e

{{#Wiki_filter:. 's cam=== s=== c..-, c=c** - C.7 - tota' e oa eaacs ( E4C.090 caos 1 853 - - = mas c= = u,,r oc., aowes.a -. ca.ev. m, a a ri, ew - ruume u, m 1ern R1 2 cwe cacanto.suaset AUXILIARY SYSTEM VOLTAGE REGULATION - - >vo, c -om r m sys m. = svano,svsr,s aton o<use QMyy 1 sos,1 sos,1 sos / NAA THRU NHW, IPBA THRU PHJ 11 y, p g a van sa naco oaramme aman vaasonemana on i . oner.oem Or iCCN/CCN a nnoon m D ocausa es w RELEASE 1 (UNIT 2 DNLY) 'This ICCN (C-7). revises Auxiliary System Voltage Regulation Calculation E4C-090, Revision 1 to evaluate the auxiliary system performance under the minimum voltage conditions that exist following implementation of the proposed degraded voltage protection scheme per MMP 2&3 2060.00SE. The proposed scheme monitors the voltage at the Class IE 4.16KV buses. Should a SIAS event occur concurrent with a bus voltage low enough to trip the under voltage relays, this scheme will transfer the Class 1E distribution system from the preferred power source to the standby power source (emergency diesel generators). Also, the scheme will isolate and transfer the Class 1E buses to the alternate referred power source if it is available, if not to the standby power source p(emergency diesel generators) should a sustained degnided voltage condition exist ( without SIAS. This protection scheme evolved as a result of SCE and SDG&E transmission and distribution systems stability and reliability reevaluation studies following the permanent shutdown of Unit 1 in 1992. The proposed degraded voltage protection scheme will be implemented by MMP 2&3-2060.00SE. This ICCN reflects implementation of this MMP in unit 2. The corresponding modifications in Unit 3 are addressed in ICCN C-8 to the base calculation. This ICCN incorporates updated impedance values to reflect the ESF load centers 2B04 and 2B06 transformer replacement. The source for the transformer impedance data is CCN-3 to calculation E4C-086 Rev. O. mossa na-==rr commun.cen. orweg MMP 2&3-2060.00SE n 0

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CALCULATION CROSS-INDEX " D ,cc.,c.7 gey}{a w ,n - _gg j oc= coweoot Calculation No. E4C-090 REV.1. ICCN C-7 Sheet No. CC"ee CCN-- O'" OUTPUTS ma -,w ,_-O'**"""*'""***"' ..: cen. oos, 2 y,** town reat .ai.e m.w v e w e w a Calc / Document No. Calc / Document No. YES / NO E4C-090 E4C 098, REV. O, ICCN C-1 0 E4C-098, 0 YES ICCN C-1 3EV.1 ICCM E4C-e90, REV.1 1 E4C-099, 0 YES ICCN C-1 N O. C-7 E4C-090, REV.1 CCN N-2 0 I MMP 2&3-2000.00SE o gif"Y E4C-006, ICCN C-3 0 E4C 006, CCN N-3 0 Document No. C930813S8957 SoNsS orie Stammy and Vonage Study

NOTE: THIS CROSS INDEX IS AN ADDmON TO THE EXISTING CROSS-INDEX IN THE BASE CALCUL.ATION.

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~ NES&L DEPARTMENT CALCULATION SHEET E i no 2 0,iss CCN CONVE?.SiON CCN NO. CCN - Project or DCP/MMP SONGS 2 cale No. E4C-090 Aubject AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. .= REV emeleATOR BATE let BATE REV tm815ATOR SATE IRE DATI h!/I/f} S. 8. PNAM@h/ll/U

u. s. oveJ A TA8LE OF CONTENTS 1.0 PURPOSE AND ACCEPTANCE CRITERIA 4

2.0 RESULTS, CONCLUSIONS AND RECOMMENDATIONS 8 3.0 ASSUMPTIONS 15 4.0 DESIGN INPUT 27 5.0 METHODOLOGY 28

6.0 REFERENCES

30 7.0 NOMENCLATURE 31 I 8.0 CALCULATIONS 32 9.0 APPENDIX 45 l l l l 1 5 PCE 26426 NEW 450 j

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1.1 PURPOSE

This ICCN covers the Unit 2 portion of Calculation E4C-090, Rev.1. It supports the implementation of Minor Modification Package (MMP) No. 2&3 2060.00SE which will install the new undervoltage relay logic in the 4-KV switchgear to enhance the existing degraded voltage scheme. This enhanced scheme will transfer the 4-KV ESF buses from the preferred power source to their dedicated standby power source (Emergency Diesel Generators) during accident conditions with a degraded voltage condition in the preferred power source i.e., the 230-KV grid. This will insure that adequate voltage levels are maintained in the SONGS 2 electrical auxiliary system. Following the permanent shutdown of Unit 1, a new system stability analysis for the 230-KV grid was performed by the SCE System Planning and Operations Department (

Reference:

" SONGS GRID STABILITY AND VOLTAGE STUDY " dated July

) 30, 1993, prepared by W. D. Conner of System Operation). The results of this new analysis indicate that the switchyard voltage at San Onofre could fall below the minimum switchyard voltage (218KV) for which the auxiliary system at SONGS is currently analyzed. This condition may exist for a certain I combinations of the following events:

a. Either Unit 2 or 3 is off-line.

b. High load demand in the 230-KV system during hot summer days.

c. A loss of certain critical transmission lines or generating unit.

d. A trip of the operating SONGS Unit.

To insure that adequate voltage levels exist in the auxiliary system during these events, the existing undervoltage voltage scheme will be enhanced >er MMP 2&3 2060.00SE to maintain the voltage in the ESF buses at an accepta)le level. The resulting voltages from these analysis will be used to detennine the setting of the undervoltage relays associated with the enhanced scheme. These settings will be based upon the voltage obta N d when the class 1E system is powered from its own reserve auxiliary transformers with 218 KV at the switchyard. Refer to the corresponding relay setpoint calculatforis in Calculations E4C-098, Pev. O,'ICCN 0-1 (Reference 6.113). This ICCN (C-7) calculation will also determine the sensitivi+.y of the class IE system to an undesirable degraded voltage protection scheme actuation when aligned to the corresponding unit via the cross tie. SCE M dM NFW 4790

eq NES&L DEPARTMENT CALCULATION SHEET ... s o, e - CCN CoNVERSloN Project or DCP/MMP SONGS 2 Calc No. E4C-090 CCN No. CCN - autgeot AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. s .=marn. ute = nri are .m.marn uri = nri .....uJi sin /o ...... W f/u/n l This ICCN adds the following cases to the base calculation: f } Case A14' This case evaluates auxiliary system voltage during minimum switchyard voltage t conditions with modes 1-4 maximum loads on the Non-class IE buses and post-accident maximum loads on the Class 1E buses. The Class IE and Non-class 1E i buses are powered from the Unit 2's reserve auxiliary transforwers. j Case 3A5c This case detemines the minimum switchyard voltage below which the degraded voltage protection scheme could actuate when the Class IE buses are fed from the companion unit via the 4.16-KV cross tie. The alignment and loading for l this case is: ( t Unit 3 is in mode 5 or 6 with all Unit 3 4.16KV buses powered from l e unit auxiliary transformer 30X1. Unit 3 Auxiliary system loads are I typical modes 5 & 6 loads. Unit 2 Class IE buses 2A04 and 2A06 fed from 3A04 and 3A06 e respectively via the cross tie. The Unit 2 ESF bus loads are modes l 1-4 maximum loads. In addition, the above cases include the following: 1. As in Cases 3A5b and 3A7c of the base calculation, the train A and B vital bus battery charger (D1 and D2) loads are revised to 36 KVA each. Similarly, the Train C and D vital bus battery charger (D3 and D4) are revised to 18 KVA each. The revised loads reflect the normal modes 1-4 and post-accident maximum loading on these battery chargers. 2. In CASE A14 the margin for the future motor and static loads on ESF MCCs 2BE, 2BY, and 2 BRA and running motor heaters load are eliminated to reduce excess conservatism and improve the calculated bus voltages. In Case 3A5c the margin for the future motor and static loads in the ESF and Non-ESF MCCs are included same as base calculation. ( l .cm -, f

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3. In Case 3A5c The Unit 3 unit auxiliary transformer 3UX1 tap setting is set at -5%. This tap setting will be installed at the g beginning of the Unit 3, cycle 7 refueling outage per NCR 93020054 and Maintenance Order 92110346000SM. 4. To reflect the pennanent shutdown of SONGS Unit 1 the system short circuit MVA and X/R ratio is revised. Refer to Section 8. 5. In Case A14, the Containment Spray Pumps 2P012 and 2P013 are operating in the LOCA alignment. The brake horse power (bhp) of these pumps is therefore 393 bhp (maximum post accident bhp). In Case 3A5c, the Unit 3 Containment Spray Pumps 3P012 and 3P013 are operating in the Mode 5-6 alignment. The bhp of these pumps is therefore 440 bhp (maximum Mode 5-6 bhp). Since Unit 2 is operating in Mode 1, Containment Spray Pumps,2P012 and 2P013 are not running. I These bhp values are. consistent with the base calculation and reflect the bounding values following implementation of DCP 2 6863.00SM in Unit 2 and MMP 3-6863.00SM in Unit 3. These design l changes are scheduled for implementation in the Cycle 7 refueling outages. l SCE.4.dM NFW Am

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Acceptance criteria In addition to the acceptance critaria of the base calculation,' the following acceptance criteria is used for Case 3A5c. Case 3A5c is a sensitivity study, used to determine a minimum switchyard voltage required to keep the voltages at the Unit 2,4.16kV ESF bus'es above the undervoltage relay maximum dropout value of 4274.90V (per ICCN C-1 to Calculation E4C-098, Revision 0). The resulting switchyard voltage will be acceptable if it is below the normal operating voltage of the switchyard by a large enough margin to allow for normal switchyard voltage fluctuations assumina st unit 2 is operating and its generator is connected to the grid. ( i i I SCE 26-426 NEW 4.90

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2.0 RESULTS, CONCLUSIONS AND RECOMINDATIONS: I 2.1 RESULTS The following table summarises the cases evaluated in this ICCN: CASE BUS POWER LOAD CONDITION NO. SUPPLY A14 2A03 2XRI-Y 2A03: MODES 1-4 MAXIMUM LOA'DS 2A08 2A08: MODES 1-4 MAXIMUM LOADS 2A04 2XR1-X 2A04: MAXIMUM POST ACCIDENT LOADS 2A07 2XR2-Y 2A07: MODES 1-4 MAXIMUM LOADS 2A09 2A09: MODES 1-4 MAXIMUM LOADS } 2A06 2XR2-X 2A06: MAXIMUM POST ACCIDENT LOADS 3A5c 3A03 3XVI-X 3A03: NORMAL MODE 5-6 LOADS l 3A06 3A06: NORMAL MODE 5-6 LOADS i 3A08 3A08: NORMAL MODE 5-6 LOADS 2A06 3A06 2A06: MAXIMUM CONTINUOUS MODE 1-4 LOADS i 3A04 3XU1-Y 3A04: NORMAL MODE 5-6 LOADS 3A07 3A07: NORMAL ' MODE S-6 LOADS 3A09 3A09: NORMAL MODE 5-6 LOADS l 2A04 3A04 2A04: MAXIMUM CONTINUOUS MODE 2 1-4 LOADS i CASE A14 is representative of Unit 2 post accident loads powered from the preferred power source: Unit 2 Non-ESF auxiliary system maximum Mode 1-4 loads powered from 2XR1-Y winding and 2XR2-Y wirding, Unit 2 ESF post-accident maximum loads powered from 2XR1-X winding and 2XR2-X winding. This case represents the normal post-accident alignment with maximum post-accident loads in Unit 2. \\ see a64 NEW 00 .-.,__.,,--.,..-.,...-.v ,,..,__,.,-,m.em,

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i CASE 3A5e is representative of Unit 3 back feeding in Modes 5 and 6: Unit 3 ESF and Non-ESF auxiliary system normal mode 5-6 loads aligned to its own unit Auxiliary transformer 3XU1, Unit 2 ESF buses 2A04 and 2A06 carry normal mode 1-4 loads and are cross tied to Unit 3 ESF buses 3A04 and 3A06 respectively. This case represents the worst case (minimumvoltage) alignment that could occur in Unit 2 when Unit 2 is operating in Mode 1, supplying power to the grid. This case is provided for the purpose of performing a sensitivity study only. This is the alignment in which the Unit 2 ESF buses would be most sensitive to undesirable tripping of the proposed degraded voltage scheme. These above cases are illustrated in the following Diagrams: ( 1 set = = new. U j J

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SONGS 2 & 3 AUXIUARY SYSTGEM VOLTACE REGULATION E4C490 REVISION 1 ICCN C-7 PAGE ', a r fy MADE BY: N. S. GURJA1.A A/11 DATE: 8/3/93 CHECKED BY: S. B. PHAM 5 h/ DATE: g ( g -K landli! 1 -K lihil 11 H: lli gl K lini 1-n lill i H: liini! f en !? I"dge linhi g g ..gn= ll1 i iw inya i,,,,, ~ 0 I 5 ll1 e _J,.i_ RM -n 1111 i H: li:111 i;E -n lid ,I,- H: ii,.. i ) I $$ k d -4: 11l I -it illl -m is ~ ( _:t -n m l5<k kII ~ n I-K littlSIk!! g 7 1! i e

NESOL DEPAF;TMENT iC7 CALCULATION SHEET - r" e~, .... 2 o,,.a CCN CONVER$10N CCN No. CCN - Project or DCP/MMP SONGS 2 Calc No. E4C-090 \\ Subject AUXIUARY SYSTEM VOLTAGE REGUtKTION Sheet No. REV SNSIBATOR, BATE let BATE REV ONGIEATOR DATE IRE DATE ....M dha ....... W r/n/qs 2.1.1 CASE STUDY A14 RESULTS i Results for this case are presented in the tables and discussion that follow. 1 r i IG scE Me NEW 440

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CASE A14 UNIT: 2 1 TABLE A14 - 1 : MOTOR TERMINAL VOLTAGE TABLE sus wo7on v.",*%* v.a..uw.d v.a..u. (Pu ca c w.e u . ono a 2A04 2P012 3.744 4 163 1 001 2P015 4.143 1.001 2P017 4163 1 001 2P018 4 163 1 001 I 2P024 4 163 1.001 2P112 4163 1.001 l 2P141 4 166 1 000 E336 4 181* 1000 i f 2804 2Ac71 0.414 0 444 0 te6 2A074 0 442 0 981 2E399 0 448 0 975 2E401 0 447 0972 2P190 0 450 0 977 2P191 0 449 0 977 E418 0 430 0 955 2A06 2P013 3.74d 4 164 1 001 2P016 4164 1 001 2P018 4 164 1.001 2P019 4 164 1.001 2P026 4 164 1.001 2P113 4 164 1 001 2PSO4 4 100 1 000 E33S 4 162 1 001 2006 2A072 0.414 0 444 0 965 2A073 0 441 0 958 2E400 0 447 0971 2E402 0 444 0 965 2P191 0 448 0 974 2P192 0 448 0 974 E419 0 451 0 981 -;m SCE 36426 NEW 4/90 U J

NES&L DEPARTMENT CALCULATION SHEET h40,,, mCN No.1 C.7 r em o,,,, CCN CONVERSION CCN NO. CCN - Project or DCP/MMP SONGS 2 Calc No. _ E4C-090 Suldect f4UXIUARY SYSTEM VOLTAGE REGULATION Sheet No. ) _a REV SAISRATOR, ENATE IAE DATE REV ONSEATSE BATE IRE BAft v.s.mEd/- 7////55 s. s.... W f/u/44 i CASE A14 UNIT: 2 i TABLE A14 - 2: MCC BUS VOLTAGE TABLE BUS MCC Voltene Ca'culeled Calculated Uma Otv) Venene (KV) Votene (PU)* 2004 290 0 426 0 440 0 977 2SE o 453 0 985 29PA 0 464 0 906 29Y 0 462 0 983 80 0 453 0 984 2006 28H 0.428 0 461 0 000 i 28J 0 453 0 906 28A8 0.464 0 907 282 0453 0 905 BS 0452 0 983 'seaea on sono base vorage. (eepv) e O k ) l .C. - ww4. N

_ _. g,,g, g_ ICCN NOJ C 7 CALCULATION SHEET - re - e- ..c is o, s u CCN CONtfEOSION ces N. CCN - Project or DCP/MMP SONGS 2 Calc No. E4C-090 [ lubject AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. REV SWeleAfDE,. SATE IRE 3 ATE REV ONSIBATOR DATE 1RE DATE R....u.i? %/p ....,. W v/u/n t CASE A14 UNIT: 2 TABLE A14 - 3: RESERVE AUXILIARY TRANSFORMER LOADING TABLE ~ Transformer Transformer Calculated Calculated Calculated Calculated Load Tag No. Rehng (MVA) Seconde Secondary Adjusted Rahng (MVA) VoRoos ( Votac e (PLM (MVA) 2XR1-X 13 33fFOA) 4 175 0957 12 763 5477 2XR1.Y 30 00FOA) 3 085 0 914 27 422 24 505 2XR2 X 13 33fFOA) 4 177 0 958 12 770 5 293 2XR2.Y 30 00(FOA) 3 988 0910 27 291 28 486 TABLE A14 - 3: LOAD CENTER TRANSFORMER LOADING TABLE [ Trenoformer Nominal Rating Calculated Calculated Calculated. Calculated Load ene (h Vo ace' th A V 2004X 1500 0 454 0 945 1417 8 1300 9 [ 2006X 1500 0 454 0 046 1419 5 1364 2 [ t a i ( P SCE 26426 NEW 4/90 .r,-- - * * ' - " ^ *

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s CASE A14 UNIT: 2 TABLE A14 - 4: BUS LOADING / VOLTAGE TABLE I BUS AMP VOLTAGE VOLTAGE KW KVAR KVA CURRENT R4 TING (mo (PLA (Aups) 2A04 3000 4 165 1.001 4798 3 2616 0 54646 757.5 2904 2000 0 454 0 945 1170 3 575 1 13040 itse 3 2A06 3000 4 its 1 001 4643 3 2511.3 5278 9 731.6 2006 2000 0 454 0 946 11586 565.7 12003 1830 6 A f e ) 4 g y - ~ '~

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l CASE A14: DISCUSSION ESF BUS 2A04 AND 2A06 MOTORS: The motor terminal voltages of all 4.16kV ESF motors which are powered from ESF buses 2A04 and 2A06 are 2 90% of rated voltage. The most limiting moters on bus 2A04 are 2P141 and E336 (100.0% of rated voltage, Table A14-1). The most limiting motor on bus 2A06 is.2P504 (100.0%ofratedvoltage,TableA14-1). For these motors, Acceptance ) Criterion 1.2.1 is thus met. ESF t.0ADCENTER 2804 AND 2803 MOTORS: The motor terminal voltages of all 480V ESF motors which are powered from ESF loadcenters 2B04 and 2B06 are a 90% of rated voltage. The most limiting motor on loadcenter 2B04 is E418 (95.5% of rated voltage, Table A14-1). The most limiting motor on loadcenter 2B06 is 2A073 (95.8% of rated vo'4tage, Table A14-1). For these motors, Acceptance Criterion 1.2.1 is thus met. .( ESF MCCs 28D, 2BE, 28RA, 28Y, BQ, 2Bil, 2BJ, 2BRB, 28Z, and 85: The voltages at all 480V ESF MCCs powered from ESF loadcenters 2B04 and 2B06 are a 93% of 460V. The most limiteng MCC on loadcenter 2B04 is 2BD (97.7% of 460V, Table A14-2). The most limiting MCC on loadcenter 2B06 is 2BH (98.0% of 460V, Table A14-2). For motors 9owered from these MCCs, Acceptance Criterion 1.2.1 is thus met. TRANSFORMERS 2XR1, 2XR2, 2B04X, and 2506X: The loading of the X and Y uindings of Reserve Auxiliary Transformers 2XR1 and 2XR2 are within their ratings. The loac'ing of ESF loadcenter transformers 2B04X and 2B06X are i within their ratings. (Refer to Table A14-3.) For these transformers, Acceptance Criterion 1.2.2 is thus met. ESF BUSES 2A04, 2A06, 2B04, and 2B06: The loading of 4.16kV buses 2A04 and 2A06.and 480V buses 2B04 and 2B06 are within their ratings (Table A14-4). For these buses, Acceptance Criterion 1.2.3 is thus met. se ~ m,aw - n

CALCULATION SHEET '*'" *?sk mor,e o,1, CCN CONVERSt0N Project or DCP/MMP SONGS 2 Calc No. E4C-090 CCN NO. CCN - Subject AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. REY Smel5ATOR, Daft let SAft htV SteleATOR BATE IRE 3 ATE E[i[73

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w. 5. Gun ata 2.1.2 CASE STUDY 3A5e RESULTS Results for this case are presented in the table and discussion that follow.

1 l j SCE 26 426 NEW 42 7}

l 'NES&L DEPARTMENT

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W f/n/q5 CASE 3ASC UNIT: 3 TABLE 3A5c - 1 : BUS VOLTAGES WITH 227 kv AT SWITCHYARD BUS VOL GE VOLT GE p 2A04-4279 1 029 2004 0 471 0 982 2A06* 4293 1 032 2006 0 475 0 990 3A04 4 261 1 029 3B04 0480 1 001 3A06 4 294 1 032 { 3906 0 483 1.006

Proposed maximum dropout of the new undervohage relays is 4274.90 vohs per CCN C 1 to calculebon E4C 006 Rev. D.

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'NES&L DEPARTMENT CALCULATION SHEET - m c~ e ~or2,o,,2 CCN CONVERSION CCN No. CCN - Project or DCP/MMP SONGS 2 calc No. E4C-090 Subject AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. ftfV shCWAT3R, SATE Ist SATE afV emelEATGA BATE 88E DATE u.s.cueILII fb'[0]

s. e. Puo5F Uh/63 CASE 3ASc: DISCUSSION UNIT 2 ESF BUS 2A04 AND 2A06 V0LTAGES: The voltage on buses 2A04 and 2A06, 4.279kV and 4.293kV respectively, is above the maximum dropout value for the degraded voltage protection system's undervoltage relays. (4274.90V per ICCN C-1 to E4C-098 Revision 0.)

This indicates that a switchyard voltage of 227.0kV or higher will be sufficient to prevent actuation of the new degraded voltage protection scheme and automatic transfer of the Unit 2 ESF buses to their respective standby power source (diesel generators). 1 ) e ) o# see m wswam

NES&L DEPARTMENT CALCULATION SHEET " "Si ~or 2, ors., CCN CoNVERSloN CCN NO. CCN - Project or DCP/MMP SONGS 2 Calc No. E4C-090 ( cubject AUXfUARY SYSTEM VOLTAGE REGULATION Sheet No. ori =v ...ra un un av ...r. un .....fal 6/9 ...... w t/u/n

2.2 CONCLUSION

S CASE A14 In Case A14, the Y windings of Reserve Auxiliary Transfomers 2XR1 and 2XR2 supply maximum Modes 1 through 4 loads on the Unit 2 Non-ESF buses and the X windings supply maximum post-accident loads on the Unit 2 ESF buses. Results of this case for ESF buses show that: All ESF motor terminal voltages are above 90% of rated s voltage and all ESF MCC bus voltages are above 93% of 460V. The calculated loads on the X and Y windings of the Reserve s ( Auxiliary Transformers 2XR1 and 2XR2 are within their adjusted ratings. Loadcenter Transformers 2B04X and 2006X loadings are within s their adjusted ratings. a All bus loadings are within their rated limits. Based on the results of Case A14, the proposed minimum allowable voltage of 4160V for buses 2A04 and 2A06 is acceptable. In Case A14, voltages on buses 2A04 and 2A06 were 4165V and 4166V respectively. (Table A14-4) These bus voltages resulted in voltages at all 4160V ESF motors, 460V ESF motors, and 480V ESF MCCs that are significantly above their minimum voltage limits (see i tablesA14-1andA14-2). A voltage of 4160V at buses 2A04 and 2A06, will also resul.t in acceptable voltages at the 4160V ESF motors, the 460V ESF motors, and the 480V ESF MCCs. Case A14 demonstrates that the perfomance of the Unit 2 auxiliary power system is acceptable under worst case accident load conditions and minimum switchyard voltage, when powered from the Unit 2 reserve. auxiliary transformers. All ESF buses, transformers, and motors operated within their respective limits. Non-ESF motor terminal voltage, transformer loading, and bus loading are addressed in the base calculations and are not evaluated here. ( ,5

NES&L DEPARTMENT CALCULATION SHEET

'""?st

..a u e, u.- CCN CONVER$1oN CCN No. CCN - Project or DCP/MMP SONGS 2 Calc No. __ E4C-090 Subject _ AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. aEv omEMATOR RATE IRE BATE REY SWGWATOR BATE IGE DATE

w. s. ctm$lta ilhb.s

s. s. PuMM 4/n/6 i

CASE 3A5c In this case, Unit 3 is in modes 5 or 6 and all Unit 3 ESF and non-ESF buses are powered from 3XU1. Unit 2 ESF buses are powered from the Unit 3 ESF buses via the cross tie. ~ Case 3A5c is a sensitivity study, used to find a minimum switchyard voltage that will allow nomal mode 1-4 operation of unit 2 ESF loads and normal mode 5-6 operation of Unit 3 ESF and non-ESF loads (per table 10.1 of the base calculation) in this alignment without actuating the degraded voltage protection scheme. i Results of Case 3ASc show that for the ESF buses: With a switchyard voltage of 227.0kV, the voltage at the s Unit 2 4.16kV ESF buses is maintained above the degraded \\l voltage protection system's undervoltage relay maximum dropout value of 4274.90V specified in ICCN C-1 to E4C-098 Revision 0. The voltage at bus 2A04 is 4.279kV and the voltage at bus 2A06 is 4.293kV. This shows that, for this alignment and loading, the degraded voltage protection i system will not actuate if the switchyard voltage is above 227kV. Since Unit 2 is at power with its main generator supplying power to the grid, the switchyard voltage will be within the normal limits of 230-232 KV.

1herfore, undesirable actuation of this scheme will not occur.

\\ N SCE 26-426 NEW 450

CALCULATION SHEET '"" " IE ..o n con CCN CoNVERSloN CCN No. CCN - Project or DCP/MMP SONGS 2 Calc No.._E4C-090 ( iubject AUX 1UARY SYSTEM VOLTAGE REGULATION Sheet No. AfV ONGRETOR, BATE IRE BATE BfV SWGRATOR DATE BRE DATE .. s. v 3 Pb/e

s...,

sW rpik n 2.3 Recommendations

1. Upon implementation of MMP 2&3-2060.00SE, Case A14 shall be established as the new bounding case for the Unit 2 class 1E power system. The existing bounding Cases 3A5b and A7c in the base calculation should remain in the calculation for historical reference. 4.16kV ESF bus voltages from case A14 should be used as the basis for undervoltage relay settings.

(ICCN 0-1 to E4C-098 j Revision 0) Because remaining margin for future load growth on ESF MCC 2 BRA was removed (in Case A14) for this analysis, no margin exists on any Train A ESF MCCs to allow for future load growth. Load margins of 15hp and 5 KVA are available (in Case A14) for future lead growth on Train B ESF MCC's (BS, BJ, BZ, and BRB). / A summary of the ESF equipment limiting voltages from Case A14, as well as the previous limiting voltages from Case 3A5b of the base calculation, is provided in the following tables. Note that the most limiting voltage in Case A14 are approximately 38s higher the revious most limiting case (Case 3A5b in the base calculation. \\ ses a Newwee

NESS.L DEPARTMENT \\ccu No I C 7 CALCULATION SHEET _- 6 .... u o,.s - CCN CONVE!:SION ccN N. CCN - Project or DCP/MMP SONGS 2 Cale No. E4C-090 ) Subject AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. I GEV 958154700 SAft ME DATE btv stesATOR BAff IAE BATE ... M e/4 ...... sa/u43 LIMITING VOLTAGES: UNIT 2 ESF EQUIPMENT - TRAIN A l UNIT 2 TRAIN A CASE A14 CASE 3A5b* BUS /MCC LOAD VOLTS P.U. VOLTS P.U. BUS 2A04 2P012 4163 1.001 4035 0.970 2P015 4163 1.001 4035 0.970 2P017 4163 1.001 4035 0.970 2P018 4163 1.001 4035 0.970 2P024 4163 1.001 4035 0.970 2P112 4163 1.001 4035 0.970 2P141 4158 1.000 4030 0.969 E336 4161 1.000 4033 0.970 BUS 2B04 2A071 444 0.966 429 0.932 2A074 442 0.961 426 0.527 2E399 448 0.975 433 0.942 1 2E401 447 0.972 432 OSO9 2P190 450 0.977 434 0.944 2P191 449 0.977 434 0.943 E418 439 0.955 424 0.921 MCCs 2BD 449 0.977 434 0.943 2SE 453 0.985 438 0.952 2 BRA 454 0.986 438 0.952 ~ 28Y 452 0.983 437 0.950 BQ 453 0.984 437 0.950 i l NOTE: P.U. venages for motore powered from 4.16kv bus 2A04 ore coheted using a 4.14kv bene. For motore powered from esov bus l 2004 and 4 tov MCCe, p u. vollege is ceiculated weing a 4 tov bene. l 8 Case 3ASb was established en tw most hmeling case in the bene calculebon and le included here for compenson 'l Q er' =---+ e w .-w. -m,....m, r w-m .++r-y

LiU3EEDARCLCtf CALCULATION SHEET ' '" " IE

oi 2s 0 CCN CONVERSION Project or DCP/MMP SONed 2 Calc No.

E4C-090 CCN NO. CCN - .f. eul(oct AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. new essmates eaTE me sats arv essmatoa satt a sats

u. s. aundtN' s'[4[f1

s. s. puesf / M///O c

UMITING VOLTAGES: UNIT 2 ESF EQUIPMENT TRAIN B UNIT 2 TRAIN 8 CASE A14 CASE 3A5b* \\ BUS /MCC LOAD VOLTS P.U. VOLTS P.U. 2A06 2P013 4164 1.001 4064 0.977 2P016 4164 1.001 4064 0.977 2P018 4164 1.001 4064 0.977 2P019 4164 1.001 4064 0.977 2P026 4164 1.001 4064 0.977 2P113 4164 1.001 4064 0.977 ( 2P504 4160 1.000 4060 0.976 E335 4162 1.001 4062 0.977 2B06 2A072 444 0.965 432 0.940 2A073 441 0.958 429 0.933 2E400 447 0.971 435 0.947 2E402 444 0.965 432 0.940 2P191 448 0.974 437 0.949 2P192 448 0.974 437 0.950 E419 '451 0.981 440 0.957 MCCs 2BH 451 0.980 439 0.954 2SJ 4 53 0.986 442 0.961 2BRB 454 0.987 443 0.963 28Z 453 0.985 442 0.961 BS 452 0.983 '441 0.959 NCitE: ( P.U. voitages for motore powered from 4.16kv bus 2A06 are calculated using a 4.16kv beoe. For motore poworod from deCN bus 2S06 and 480v MCCo. p.u. votege is calculated using e eeCN base.

Case 3A5b was established as the most limning case in the bene calcuisson and is included here for comperleon SCE 28 426 NEW 4/90 M

NESSL DEPARTMENT CALCULATION SHEET

ISL 4cr 2 < o, ;;

CCN CoNVERStoN CCN No. CCN - Project or DCP/MMP SONGS 2 Calc No. E4C-O L Subject AUXIUARY SYSTEM VC!.TAGE REGULATION Sheet No. REV OlhelsATOR BATE IRE DATE BEV 08015A708 BATE ISE DATE n.s. cur $$ 2//'[97 s.s.n=5NI #///Y3 { 3.0 ASSUMPTIONS i j In addition to the assumptions in the base calculation, the following assumptions are used in this ICCN. 3.1 For the sensitivity study performed in Case 3A5c, Unit 2 is assumed to be operating, providing power to the switchyard. The Unit 2 4.16kV ESF buses are powered from the Unit 3,4.16kV ESF buses via the crossties. Unit 3 is not operating. i 3.2 The nonnal switchyard operating voltage with at least one generator connected to the switchyard is between 230kV and 232kV. i I i \\ / 3' SCE M-4M NFW 4%

NES&L DEPARTMENT ccN No.1 C.7 CALCULATION SHEET ... z ve.,o CCN CoNVERSloN ccN No. CCN - Project or DCP/MMP SONGS 2 Calc No. E4C-090 Subject AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. BEV BeemATOS _ BATE IRE BATE REV 050mATOR BATE let BATE u.s.meSt7 7/4/fa s.s.nesp/ f////(; 4.0 DESIGN INPUTS In addition to the design inputs of the base calculation, the following design input is used in this ICCN. 4.1 The maximum dropout voltage for the degraded voltage protection system's undervoltage relays is 4274.90V per ICCN C-1 to Calculation E4C-098, Revision 0. i 1 ) i l I 31 j \\

NES&L DEPARTMENT CALCULATION SHEET ' '" " l% not mon CCN CoNVERSloN CCN No. CCN - Project or DCP/MMP SONGS 2 Calc No. E4C-090 T Subject AUXfUARY SYSTEM VOLTAGE REGULATION Sheet No. l afv obsmATen eATE mt BATE REV Sb8mAfst SATE ME DATE u.s.cueNtab Ph 3

s. s. pra EM////3 5.0 Methodology 5.1 BECAP Com) uter based calculations in this ICCN are perfomed using the Bec1tel Electrical Computer Analysis Package, (BECAP). A detailed discussion of this package and its validation is presented in section 5.1 of the base calculation.

l 5.1 Voltage Regulation Database The electrical system database for voltage regulation studies was developed using the BECAP Electrical Database Program EE-650. (Reference 6.201 of the base calculation) 5.2.1 MCC Models )' The same methodology used in the base calculation for MCC loading is used in this ICCN. Leading on some ESF MCCs has been revised, and new MCC loading tables are included in section 8 of this ICCN for the affected MCCs. 5.3 General Bus Load Schedule The SONGS 2 & 3 bus load schedule shown in section 10.6 of the base calculation was used to determine the bus loading in case 3A5c. 5.4 Supplemental Bus Load Schedules and Bus Loading The Bus load schedules presented in Cases A12a and A12b of CCN N-2 to the base calculation were used to determine the loading on the ESF buses in Case A14 of this ICCN. Loading on the non-ESF buses in case A14 of this ICCN is identical to that of Cases Al and A2 in the base calculation. 5.5 SONGS 2 Minimum Voltage Cases A14: UNIT 2: MAXIMUM MODE 1-4 AND POST-ACCIDENT LOADS. Switchyard Voltage: 218kV \\ Bus alignment: Buses 2A03, and 2A08 derive power from the Y winding of Reserve Auxiliary Transformer 2XRI. Bus 2A04 derives power from the X winding of Reserve Auxiliary N sCE M 426 NEW 490

CALCULATION SHEET l'* *@k ~=2% o CCN CONVERSloN CcN N. CCN - i . Project or DCP/MMP SONGS 2 Calc No. E4C;090 ,etdoct AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. BEV SMSWATOR, BATE lAE SATE BEV ShenATOR BATE lAE SATE w.s.aundt8 PlfMb

s. s. eumed f/#/O

'Y Transfomer 2XR1. Buses 2A07, and 2A09 derive power from the Y winding of Reserve Auxiliary Transformer 2XR2. Bus 2A06 derives power from the X winding of Reserve Auxiliary Transformer 2XR2. Unit 3 ESF buses are not connected to the Unit 2 ESF buses. Bus loading: Unit 2 ESF buses carry maximum post-accident loads, and Unit 2 non-ESF buses carry maximum mode 1-4 loads. 5.6 SONGS 3 Minimum Voltage Cases 3A5c: UNIT 3: MODES 5-6 NORMAL LOADS; UNIT 2: MODE 1-4 NORMAL ESF 4 LOADS Switchyard Voltage: Determined in analysis ( Bus alignment: Buses.3A03, 3A06, and 3A08'derivi power from the X winding of Unit Auxiliary Transfomer 3XU1. Buses 3A04, 3A07, and 3A09 derive power from the Y winding cf Unit Auxiliary Transfomer 3XU1. The Unit 2 ESF buses 2A04 and 2A06 derive power from their respective Unit 3 ESF buses via the cross tie. Bus loading: All Unit 3 ESF and non-ESF buses carry their nomal mode 5-6 loads per the table in section 10.6 of the base calculation. Unit 2 ESF buses carry their normal mode 1-4 loads per the table in section 10.6 of the base calculation. 5.7 Sensitivity Study - The sensitivity study performed in case 3A5c is used to detemine the minimum switchyard voltage, for this worst case alignment, that will maintain the Unit 2 ESF bus voltages above the degraded voltage protection system's maximum dropout voltage of 4274.90V per ICCN C-1 to E4C-098, Revision 0. To do this, the computer analysis of case 3A5e was performed with successively higher switchyard voltages until the voltage obtained at both Unit 2 4.16kV ESF buses was above this maximum dropout voltage. Results of this case are presented in section 2. i ~ SCE 26 426 NeW 4/90

u NES&L DEPARTMENT ICC4 ND./ C 7 CALCULATION SHEET re me ..cE so o,in CCN CONVET.SloN { Project or DCP/MMP SONGS 2 Calc No. E4C.090 CCN No. CCN - 1 Subject AUXILIARY SYSTEM VOLTAGE REGULATION Sheet No. REY 0961EATOR BATE Itt SATE BfV SW4WATOR BATE IRE BATE w.s.cueMI# 8/M/U

s. s, nam Y N//U

6.0 REFERENCES

In addition to the references of the base calculation, the following references were used in this ICCN. 113 E4C-098, Revision 0. ICCN C-1. 114 MMP 2&3-2060.00SE 115 E4C-090, Revision 1, CCN N-2. 116 E4C-086, R 0, CCN N-3 117 E4C-086, R 0. ICCN C-3 118 SONGS Grid Stability and Voltage Study (Document N'O. C93081356957, Dated I 8/13/93) 119 Letter to Bernie Carlirle from Romulo Barreno of System Operation,

Subject:

SONGS Grid Voltage Study (Document NO. C930813S6056, Dated 8/13/93) .n,,,..

NES&L DEPARTMENT CALCULATION SHEET

'" ~U4k

..o n, o,,,, CCN CONVERSION CCN NO. CCN - Project or DCP/MMP SONGS 2 Calc No. E4C-090 ( Jubject AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. new emenATom BATE 1RE SATE REV SW8MATOR SATE ISE BATE ... au.M 7/4ha .... ~4,0 6/ f//dco 7.0 NOMENCLATURE No new nomenclature specific to this ICCN has been added. All nomenclature used in this ICCN has been referenced in section 7.0 of the base calculation. n .ce -..

NES&L DEPARTMENT CALCULATION SHEET *"" iSi .. n_0..f CCN CONVERSION j ccN NO. CCN - ~ Project or DCP/MMP SONGS ? _ Cah: No. E4C-090 i i Subject AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. GEV SteelsATOR DATE let BATE REV 9egelsATOR DATE lAE GATE y.. s. ne$8 i[I'[f5

s. s. PawW (/// /@

i 8.0 CALCULATIONS I ) l l l } N er e w.. e.,, e j

l CALCULATION SHEET E'""f81 ,,c e G CCN CoNVERSloN Project or DCP/MMP SONGS 2 Calc Na E4C-090 CCN No. CCN - Subject AUX 1UARY SYSTEM E 'TAGE REGULATION Sheet No. REY O RIGINATOR, DATE tRE DATE REY ORIGIRATOR BATE IRE DATE s.s. cue)AtY N/ .a

s. s. enAmN f////93 l

f l 8.1 CALCULATION OF SYSTEM SHORT CIRCUIT DUTY CONTRIBUTION TO SONGS 230 KV i BUS FOR CASE A14. The SONGS 230 KV short circuit duty calculation in attachment 9.0 of the base calculation does not reflect the SONGS system configuration represented in Case A14. In this case, SONGS Unit 1 (which is permanently shutdown) and Units 2 & 3 are not connected to the 230 KV bus (generation is off). Therefore, the following calculation provides the system short circuit duty contribution to the 230 KV with no generation at SONGS. The reduced short i circuit duty will result in a more conservative (lower) voltage at the SONGS 230 KV bus: Calculated system positive sequence impedance to 230 KV bus Z = 0.1879 + j5.3797 % (from the E4C090 base calculation)....(1) I I,,, 3 3 VL,,, x 10 500 x 10 = 1255.15A = = x KV.,, fx230 e Z,,,, = 0.001879 + j0.05380 lZ,,,, = [(0.001879)2 + (0.05380)'=0.0538 I.c p.u

i f.-

s p.u p.u ' I,,,,,,= 1 18.576 = 0.0538 ' I.c " I.c p.u XI s s base I,,, = 18.576 x 1255.15A = 23315.7A Therefore, Short Circuit MVA : MVA,,, = d( KV,,, x 103 )(I,,, ) x I 3 10, (. = 8(230 x 10')(23315.7) x 1 106 HVA = 9288 u SCE 26426 NEW 4/90 N

g. CALCULATION SHEET **"si .. a 4 o,.,.2 CCN CONtfER510N ccN No. CCN - Project or DCP/MMP SONGS 2 Calc No. E4C-090 i Subject AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. arv emelsATOR, SATE ME BATE ! REY teemATOR SATE ME DATE w.s.oueSail-Cl//thJ

s. s. nam SOf f///N3 The corresponding X/R value :

Z = (0.1879 + j5.3797) % from (1) X/R = 5.3797 0.1879 X/R = 28.6 s. r \\

7 NES&L DEPARTMENT ICCN NoJ Col CALCULATION SHEET - r ec ,,ce 4 so o CCN CONtfERSION Project or DCP/MMP SONGS 2 Calc No. E4C-090 CCN NO. CCN - dubject AUXIUARY SYSTEM VOLTAGE AEGULATION Sheet No. AfV SWGMATOR BATE ltE BATE REV suslaATOR DATE let DATE / u.s.cueM[ P #/ *7

s. s. Mak @///93 f

j 8.2 REVISED MCC LOAD SCHEDULE TABLES ) I I D sCs m a wrw4m

V NES&L DEPARTMENT CALCULATION SHEET C L C'7 ree a cca convensoi. p,,g,, g pmp Calc No. [4.C O id S l Ccw CCN-. Suotect Sheet No. Lev i onconafon, catt uns Daft arv onceeAfon DAM est DaTE M. h' L' b I 4_7 /\\ h TABLE 2 S 10CCN C7.Cs) MCC t.OAD SCHEDULE "CONGSt= SONOS 2 MCC LOAD CALCULATION l ~ MCC 2SE fESP) uw on EQUIPMENT SREAKER RATED me RED PF EFF MOTOR EQufv STATIC EQUfV NO HP SHp so/A g kW ervam WW WVAR Fwi Heg Aree vnt Aazomo Mrs Prr7822' 2SEC2 2 00 SS 100 1.70 t.06 FI Hee Sieg Em Enoc Hr E44(2L307) 2SE03 28 70 100 100 as 70 0 00 teamry Charger D3 (12SM 8003" 2SE04 18 00 80 90 18 00 12 00 Aim FDW To tenem Gen Coreose HV4713 2SE08 0 300 Sny ry Tk Dm To mn We Th HVt334 2SE00 1 330 e Sin 7007 To menc Cw La IS Hvsseo 2SE10 S300 $ 1Th Toos To meec CW Lp 2A Hvase0 2SE11 5 300 LP SN N He-meec CW La 19 HVs32S 2SE14 2 000 LP SMy in He Amec CH Le 2A HVB32s 2SE15 2 600 A m Sprey to Presmunter HVg201 2SE17 0 330 HP 99y mi ar Amec CW Lp it HVB327 2SE18 0700 H HP Sny W He-Amec CW La 2A HVt330 2SE19 0700 CCW NcmCrn Cont Wt team W HVs223 2SE21 0 330 HP Sey rg He Amec CH Le 1 A HVD324 2SE22 0700 HP SRy rg He Amec Cint Lp 28 HVt333 2SE23 0700 SPefwn CW N Fm Mc CH ls 2 HV9337 2SE2S 9 000 Reac CH Dm Th Semr> Cent tool toro 614 2SE2s 0 125 Cent tool Amec CH Dm to RDWS HV7S12 2SE27 0.125 Shesse Heat Each Cent Spry Het HVt387 2SE29 1300 Quench Th vpr Semp Cent loom HV0014 2SE30 0 125 Ceneenment to mesmosa Sump HVSe03 2SE31 0125 Canamnrwn Purge Wet HV9848 2SE33 3.200 Contenment Emerg Surg Quest HVB306 ISE36 0 700 As FDW h Osn E00s team W HV4731 2SE.38 1.000 Spesem Cig Sys Mt Each Out W HVetto 2SE3e 1 000 theson Cie Sye Ht Each Wt W HVt182 2SE3e 2 000 Cent Antiome Moner RT7004' 2SE41 2.00 e6 100 1.70 1 06 Sone Aess Make up Mt Treg Pensi Lase' ISE42 18 00 86 100 18.30 9 es CCW To Emerg Cosens (Mt Hwtaes SE44 1.300 CCW To Emerg Cooh0 the Mt387 3SE46 1 900 i CCW NonCat Cent OWt leaf W HVS238 ISE4e 0330 CCW To Emergency og urut HVe370 3SE47 1 800 CCW To Emergerwy Og unit mt371 ISE4e 1.800 Post Aac Chup Uni Hr 8082(PI 2L 347) ISE40 3 80 100 100 3 80 0 00 VW 86m Por Se Seerup PEQ003 258(VA* 20ES1 25.00 OS 100 21 2 S 1317 Maryn tar Futse Moser Lamas il 000 15.000 08 as Maryn ter Futao Sene Laman 5.00 GB 100 ' Aamumed pf & en " Annumed pf erwl eW inr has chstgere " MVA bened on actJef lease, emeumed pf & eR Toess 0 oo 0 00 as 46 as 7e Note For OL 8010 heCPV parameter ehenges reenr as = % 18 ene 172 at rim CCN f+2. U2 aCCN C 7 ter E4C-00 Rt. g m n.,- . = -...

e.....

NES&L DEPARTMENT CALCULATION SHEET " 1 C ~f ,me cca ccavsmsos. Nopcs or DCPMMP Calc No. EA C - 0 't 0 A I ceu~O ccu.. kepet Sheet No. c ry ommeenton _ oats ses ears arv cuecouron oars ses oars b.* k U (*._". Y** Y r /\\ dg TASLE 2.9I monenued MCC LOAD SCHEDULE

SONOS2'**

SONGS 2 WCC LOAD CALCULATION MCC 29E (ESA MOTOR MODEL STATIC LCAD MODEL Toimi Motor Espwent pf NA Tcnei maand Senec Land kVA 96 78 Toemi Motor Lead thpl 0 00 75% of Tot Remed Sat Load SVA) 71 e4 78% of Toeni Motor Land (hp) 0 00 25% of Tot Reese Sent Land $VQ 23 38 25% of Toes Motor Land (hp) 0 00 MOTOR MODEL PAAAMETERS STATIC LOAD MODEL PARAMETEMS Mmesd Motor Load I(FU @meel 4A ' Senec Moesi Eemetent pt 0 92 79% of Measd Motor Load I(FU @meel 0 00 Amend Suec Land #M OS 46 25% el Amend Motor Load I(FU @rms) 0 00 75% of Assad Senec Land ArW) es 34 25% of Reemd samec Land sw) 22.11 meemd Moeor LandI(UC @pos) 0 00 75% of Roemd Motor Lead I(UC @ man) 0.00 29% of Amand Motor Lead I(LMC) @pos) 0 00 TOTAL EQUfV MOTOR AND STATIC LOAD Teenf EsparesernkvA es.7s Teemi Emavesent kW m 48 Toeal Eeavesant kvAA as 7e 75% Teemi Essveesru kW es.34 75g Toad Emavenre kVAR 27.57 E,._:

1. Shp = to ter maamr meesee

2. EN = 1.0 for meer and semec madets j

o.e..... e..... o --- 4 i

r NES&L DEPARTMENT CALCULATION SHEET C-7 ,. m-s3 cca covvtaso. ,ftoject of DCPMMP - Cale No. E 4/'- C 7O A,I Ce= wo CCN. 3 I Subtect Sheet No, asv omematon oats su Sars nov anoanaron ears des can N _ '" S e 7 ,1 T 4 ** n; Y taste 2 S O ICCN(C7.C4) MCC LOAD SCHEDULK "' S o N G S 2 *" SowoS 2 MCC toad CALCULATION MCC 2tu Esn uw un EQuePMENT 84EAKER RATED MATED PF EFF WoTom EQUfV STATIC EQUfV NO HP OMP WA stW Wam erW stvan SNCem 00 lw Fm mee Chi tat >&B330 3&J06 9 900 F SfT 7000 to Meec CW Le 1 A HV9340 2SJ06 8300 Sf7 T010 to Amec Chi Lp 28 HVB370 2SJ07 9300 $#P Mnmum mecevuesson HV9347 2SJ00 0 330 LPS3 Header to Meec CMt la 1 A HV9322 2SJ10 2 000 LPSI Needer to menc CW La it HVs331 2SJ11 2 800 SIP Mrumum Rocrculemen HVSM8 2SJ1? O 330 HPSI Her2 to Amec CW Lp 1 A HVS323 2SJ14 0 700 MPSI Her2 to Ames CW Le 28 HVB332 2SJ15 0700 R CW Pme tid OR.voi Cant Th HVs217 2SJ17 0 125 MPSI He2 to Amec CW Le 18 kNtaat 2SJ18 0.700 HPSI M*2 to Amec CW Lp 2A HVB329 2SJ19 0700 Cent seem SIT Vent Her HV7288 2SJ21 0 125 A CMt Het Leg Samp Cent hain HV0000 2&It2 0.330 } m Cw Het Lag Semo Cont laaen Hvo617 2 8.223 0 330 l Shesem Mt Eman Cont Spry He2 HW5300 2SJ25 1.300 Prue vapor temp Cent escan MV0610 2SJ36 0 330 I Preo Srge L Leo Semp Cent taaf HV0612 2SJ27 0.330 f Cent Purge Ouest NY8880 2Lt29 3J00 ( Hreegon Purgo Eah Unn Het >Nes17 2SJ30 0 130 3 Hreugen Purge $@ Una Desh HV9948 2SJ31 0 130 Coni Emerg Sump Ouest HVt302 2SE O700 Can Emerg Sump Ouest MVt304 2&J34 0 700 camp os m w Centenment HVs211 aSJ36 0 330 Cea, os e to Emerg Cig LHi HVs3ee 3SJ37 1 e00 Camp Og Wir to Emerg og UMN HWE300 3SJ30 1 900 Como on We From Conmemsni HVs21s aSaae 0 330 Comp Og Wir m Emerg Og twt >Nt372 3W41 1 s00 Camp og Wir 2 Emerg og LHt HVt373 3&J42 1 300 MWT Oust To De Pmp Suot He LWit27C MJ43 0 700 Fued Hee 0 Aree vnt Ahme Mre Rf7st3' BJ44 2 00 86 100 1 70 1 06 Fust Hang badg Emerg See Her E4es 3SJ45 22.30 100 100 32 30 0 00 Senery Charper 04 (12sw ecos" 3SJes is.00 a0 so is 00 52 00 Can Normai og Se asem

HVue00 2SJ47 0330 Cont Normal Cig Asq lash Vhr >Nge71 ISJet C 330 Conteement Arbome Meneer MT7807' 3SJ40 2 00 86 100 1.70 1 06 Gers Ass 0 naup Hi Trog Pnf Las? SKVA' 3SJ80 8 00 06 100 S 10 3 It W Bue Pwr Snup Emv 2T082 2SGA'"

3AJE1 25 00 06 100 21.25 1317 Maryn ter Funae Moser Lomme 15 000 1$000 S6 88 t 3.01 8.00 Maryn ter Finao 9mme Lemos 8 00 80 100 42S 2 63 'AamnnedatSen " Aenemed pt & en ter tee ehergere "* 8CVA herid on octaal toede Ammaned pt a en ) f eu. 0 01 s'oe e2 30 23 c7 -,.,..e.,0 _ er re.or. _ ,..n., m CCH.2 ICCN C 7 ter urut 2 E4C eart o-es..

NES&L DEPARTMENT CALCULATION SHEET C ~7 pa% CCN COvvE4sce. s tropect of DCPMMP Calc No. [4C - 0 9 0 A! CcN ee CCN-k' Sve ect r Sheet No. _ crv oacenaron oats ses oaTE arv cacenaroa sats ses oats ll-l..* C / 4 b." b /\\ d TABLZ 2.5 0 eenenwed MCC LOAD SCHEDULE

SONOS2" SONOS 2 MCC LOAD CALCULATION MCC2&J(ESA j

MOTOR MODEL STATIC LOAD MODEL Tomi Menor Emavaient pf 0 86 Total Reemd timec Lead kvA as 70 Teod Maeor Land (hp) 17 a4 75% of Tot Assad SmL Lead $V4 08 $2 73% of Toimi Moeor Lead thp) 13 Os 25% of Tot manad Samt Land DVA) 22.17 ass of Teeni Moeor Lead thp) 4 as MOTOR MODEL PARAMETERS STAfic LOAD MODEL PANETERS ( Amand Motor Land I (FU (Ampel 19 21 Samac Model Esevesant pt 0 93 I 75% of Amand Motor Load I (Fu (Ampel 14 40 Amand Stuac Land kW) 32.30 29% of Amand Motor Load f (Fu (Amps) e to 75% of moned timec Land WW) 41.73 2Sg of Amand 9tmec Lead @W) 20 SS Amand Maeor Land I (LACI (Ampo) 78 32 75% of Reese Moent Lead I W (Ampo) 57.82 29% of Amand Motor Land I(UtC) (Ampel 1921 TOTAL Ecufv WOTom AND STATIC LOAD Tsemi Essvesant kVA 103to Tweni Eenvesent kW 98.31 Tsed Eosvmeone kvAR 41.13 79% Toimi EoJvesant kW 71 de 79% Teemi Essvesant kvAR 30 06 Ameenpeone

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. _, = NES&L DEPARTWENT CALCULATION SHEET C 'I seosIo or,17 ~.m m,,u cca covvsn&o. Frotect or DCPMMP Calc No.[4C 0 9 0 /.' I Cei.=O C C N. 3 Sut>tect Sheet No. nov i onesaron oars ses cars nev onomarca l Cars as Sars On. 4.cd ch h G/ f////'/3 O i TABLI 2 5 0 CCNfC7.Cet WCC LOAD SCHEDULE "* 8 O N O 5 2 = SONGS 2 WCC LCAD CALCULATION WCC 28Y fESA heu wM EQUIPMENT SmEAKEm RATED MATED PF EFF WOTOR EQUfV STATC E0urV NO hop SMP stVA g g e(W WVaR WW WVaR i tenary Charger D1 (125V) 3001" 38YO3 as 00 80 80 32.00 24 00 menne tructre Og Fan A370 20YO7 5000 3 500 83 82 31e 2 14 i renne seusese 00 an A373 2SVos 5000 3 000 83 82 3 to 2.14 F Safsey tyi Pume W HV8306 20Y0s 0 330 Margn per DCP 2'3 8742 078M "" 29Y10 7 800 7 000 M SS e as 4JS Sene Asad haie Aree Emer AC E430"" ISYS1 1 000 1000 Se U C 07 1 of Gene Aems Mke Aree Emer AC E440** 20Y12 1.000 1.000 es M 0 of 1 02 Saisty tvi Pump Mr> Flow HVS307 ISYt3 0 330 Gene Aosd Maheup Purve 70718174 29Y14 25 000 24 000 as se 30 81 11 23 Gene Aess Mahoe Purve 7072 P175 NY18 28 000 24 000 as se 30 e1 11 23 Benc Aand Pye Chrg Pp Susti HVW47 ISYta 0700 Cet fyn Emsf Lig X9mr2TLP3s 7 SKVA* ISYle 5 00 SS 100 4Jb a63 Chargne Purve Emer A/C Una E437"" 20Y20 1 000 0 900 se U 0 de 0 st Cheryng Pump Emer A/C Uns E430"" ISY21 1000 1000 es 77 e 97 12 ) Cet Amom Catunut Emerg A/C Leet E424 20Y22 7.900 7.900 M 88 8 Se 428 f EPPM PrW 2L411900VA Xfmr* 20Y23 0 20 88 100 0 43 0 38 eny Eqpt BWg Pp b Emer AC tra E417 28Y24 7.900 0000 N 88 SJs 3 40 eny Egyt enes Pp b Emer AC Ure E517 20Y26 1 too 0.000 76 U 0 87 0 75 emasam Og Flow To LPSI HV8370 39Y30 3J00 spenham Og Wermus Vepve HV8363 39Y27 0.t 70 Cent Emergency Sune ouest HVe303 38Yas 0700 HPSITo Asse Ora is 2 Het tag Hve430 38Y30 0 870 CCW Bhag Pump h Emerg A/C una E463 38Y30 1000 0 700 80 77 0 08 0 71 CCW awe Pump 8en Em=rg At that E4N ISY31 1000 0.700 es n 07,4 0.n i 2Y010 Womener tekVA UPS' 33Y33 15 00 es 100 1175 7 30 Spent Fund Peel Pwege P000 38Y34 30 000 38.000 80 87 32Je 11.42 esa Wr From CCW Home Emen Hwee7 asV3s 1000 Femannianer Pump Asem Fan Aase 33Y38 7200 5000 M e6 4 as 2 e3 Fuel Hung thes Pp h Emer AC t>t E441 38Y37 1.000 0 800 80 77 0.77 0 et Fusi Haa0 Sh80 Asmusant AC t#m E370 3BY38 a0000 to 000 N SR 40.83 35.18 trSi Pumpa P01s har Mr asYao 2 00 100 100 1 00 0 00 I HPSI Pwned1 P017 her Mr NY3e 2 00 100 100 100 0 00 HPSI Pumpea P018 Mr HP 38Y3e 2 00 100 100 1.00 0 00 San Weser QB ump P112 her Mr NY30 0 40 100 100 0 40 0 00 ) P cast Weaur Qg Pump P307 ter Mr 33Y30 0 40 100 100

88. 4 0 0.00 Fuss Hee anna Aseen AC E370 nar Mr asV3s 0.33 100 100 0 33 0 00 Sorey Diem Asesti Pump Pogo Mr Mr NY35 0.14 100 100 0.14 0 00 Aus Feess seur Pump P141 Mr He asV3e 0 es 100 100 0 as 0 00 Care earoy Pumpet P012 her Mr asV40 2.00 100 100 2.00 0 00 Core sus Emerg AC t>w Ease ser Her asV40 CJe 100 100 0 00 0 00 Care Sag Emer, AC Lee E40s ear Mr asV40 CJs 100 100 0 00 0 00

Ammumed pr & en

" Ammumed pt & en ter has eturgere l = KVA himmed on estad leases Annurred pf & off ) "" FCm NO Udset DTD 124o42, queur. sJosi ""' moeur to Sutienceen 16 2 of rue CCN Nees. Per OL 8010 WOV parernesear ehengue reemr to gutussc9sna 1 e ene 1.72 et Bus CCN k2 to E404st. 1 g__J l e.... s e...e

NES&L DEPARTMENT CALCULATION SHEET C-7 rac., +1,,m ~~ CC8d CONvEm&aos. e ( Pro,ect w DCPMMP Calc No. [I-O U 9t) N f cchino CCN-. Svetect Sheet No. arv cacmatoa

oar, sia urs arv one aton nu as pu 0 k ll V?*%

/\\ s} t ~ I TASLE 2 S AD MCC LOAD SCHEDUL.E l "*50NOE2"* SONGS 2 MCC LOAD CALCU'JTION MCC 29Y ESF) ugwm l EQUIPMENT BAEAKEm RATED RATED PF EFF Motom EQUfV STATIC EQUfV NO HP SHP WA eNv arvAm Kw WVAm Gone Acmd Makoup Pump P174 Mr Mr 28Yeo 0 12 100 100 0 00 0 00 tone Asse Meneup Purne P175 Mr Mr 29Y40 0.12 100 100 0 00 0 00 Cheryng Pump Pts 0 Mr Her 20Y40 0 12 100 100 0 00 0 00 Charpng Purg Pt 91 Mr Hy 28Yeo 012 100 100 0.00 0.00 mesuene wt Tank East ouem eM300 20Y41 8300 Motor & spin Mr Pnf 2003e 30KvA"* 25Y42 20 00 se 100 17 00 10.Se Maryn for Futse Moemr Lomas 15 000 15 000 86 as Maryn tar Futse Semte Lanes S 00 e6 100 "* Kva bened on estaal bees l Assumed pv & se toenas i40 08 e5 et to 3s 48 33 l l MOTom MODEL STATIC LOAD MODEL Toimi Moeor Eesvalent pf 0 e6 Toeni mamme timme Land WA se 80 Toes Moeur Load N) 1e7 82 75% as Tot. mand sent Land tvA) es 30 79% of Toens uotor Land thp) 140 87 29% of Tot Amand $ms. Land DVA) 22JO i 29% of Total Motor Load (hp) 48.86 MOTom MODEL PARAMETERS STATIC LOAD 6000EL PARAMETERB maasd Motor Land I(Fu (Ampe) 208.07 Sienc Messi Eeamenwit pt 0 as 75% of mand unear Land I(Fu iArnsen 154 se Assad smec Lead M 7s as 25% of Ammed Moeur Land I(Fu (Arnpaa 51.82 79% er manad asses Land M 3727 25% of maand tuse Land M 18 Os maand Moew Lead I(LnQ (Amne se4Je 75% of masse Moemr Land I(Utc) (Anget e1821 act of mand Moor Land I(UtQ M 30s 07 TDTAL EQUlv MOTom Ape STATIC LOAD Toad Eeusveient WA 252 97 Toad Eeurvelant kW 218 41 Teemi Eeavaient WAR 131.00 79% Toad Eedvalent kW 10231 79% Teod Esavesant WAR 8825 Asmageone

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NESSL DEPARTMENT CALCULATION SHEET C"? ,,4m CC84 Com v6f 6som e c,m.Ctoroc m e cae no.E4-r-o 9n 1: I 1ecN~o ccN.- ) Sveg Shoot No. __ mgv Oncentfoe Oats as l Deft Arv oncenatom DAf3 ans DATE t) f. / 1] **.* "5 1 I TAGLK 2 SE ICCJusCF Cet esCC LOAO SCHEDulf

S C N O S a **

SONOS 3 48CC LOAD CALCut.aftoN UCC te2 f$ri aw i.m ) eous'aert easAnna mafto l mArto w ers morom eouw l ww state sourv s.o w ow WA s g ww 1 avan. I avar { m mi n... effa DA F0wp Peos De com

mfe712 aS20e e tas Com Sory C>emeter ce frog Pm L271' 3820s e 00 es 100 9 10 a ta mamme trusene Qg Fan A371 28207 S 000 a 900 63 et a to 3 14 meme trustae Og Fan Aa?t 3S20s S 000 3 300 ta er a te 3 se Fro amme to Cost Imam * *W9808 35200 0 tal was Cp tee > Amman Lvoeg78 38210 0700 l

Cw 8trn Oms ug Pm 2 LPM 7 SNVa* 38211 5 00 Os 100 e 25 3 83 f I Errergeney terey weser % P1es 34Z12 at000 M 000 af 80 as 33 se 42 8 Gare A hie TT,fa O wg P S m 'W Was Sita 0 700 Smam A me 7071<CPyg # Se s*Wec 38214 0700 s 'eme emir Pww Inomm se Asaa anzts 72s0 s 000 se es e as a na Cm % wem n= Ac w reas aarir s 000 e s00 es n 0 es O si Chessag Pw, Area amor Ac w taas atris t 500 i 000 se n 0 e7 1 ce w perDCP2'a.efetOfsts ~ ~ 221e 7 900 7 900 se as a to e as Ort Asem Cammme Em-g AC Ure feta 38230 7 900 F 900 se eS S to e as Aum FDw-sen Omn F Aerme ene v mfatte 38221 t 800 ) tesm Pwaspees.wne P010 38223 30000 38000 as e7 atJe t e et f SRr Sept mee P b Gmer AC LPu leie aEDe S 000 0000 e4 eg S se a et og se msg P nn amar WC Lee sees anzas t s00 0 e00 to n 0 87 07s Spesen Og Phe To LPSI P beri eedt&as MZag a 800 Spepma Og womme vene*Netes MD7 0 970 muums we fee was com *Wea01 anzas e 300 CCw eng Pw Wa scos NC um tese anDe t 500 0 reo se n 0 te On any to msg P== saar uC tre este anza0 t 800 0 000 es n 0 et 0 et ten wt Pan CCW Mass $sen *Weees 3RD 1 000 Ames Cro Amyi Mt Emem ese W TWes7 aSZy 1000 twi Mag eng Pwse on ernes WC 544 antaa i esc 0 000 es n 0n 0 si s Pwer tems gnag anner Amman AC E371 3RDe 80 000 to 800 te et 40 53 as 16 neue n Og erase asen a s vapWeist sans 1 See Spesen Og Sye se Guam se V arMita MDB 2 500 LPSI Pwsota P01s ter Hr 2Z37 t 00 100 100 a 00 0 00 MPSi pwwa3 80'e ner Mr MD7 4 00 100 100 2 00 0 00 MPSI Pwooet PCte t per MD7 1 00 100 100 3 00 0 00 Gee wamer Og %,,'rita ist Mr 2 237 0 40 t90 100 0 40 0 00 ens womer Og Pw, Ptie ter Mr M237 0 e0 100 400 0 a0 0 00 Pal temp Slag Asame AC E371 ter per MD7 0 at 100 100 0 a3 0 00 serey Chem Aemn Pw, Peri nar per anz3r e se 100 t00 0 te 0 00 -Am Femeneer Pwie Paen har ser aan? O es 100 t80 0 as 0 00 Care torey Pwspat PDia le her MDB t 00 t00 100 1 00 0 00 Cape tag Emes AC t>e Se00 ear per MDe OJe 500 too 0 00 0 00 Care msg ameg AC use sees ner eer anDe DJs ten 100 o 00 0 00 % Pw, P,es ter ser antas 0 ta 100 i00 0 00 0 00 CM PwitpPtetbeMra" MEM 0 tt 100 100 0 00 0 00 spel to Ames Che La t test Lag 649eae 223 0 000 e tesser & suo per mir #TDsi sestvA= 2 240 18 00 as t80 t175 7 80 tange ter Pumae teneur Lamas is 800 la800 es et ta 01 a 08 tempgmi tur Pwaso eines Lamas S 00 W 100 e 39 1 83 Amm,nes se a en a esswes or & en ter tems enegare = WVA seems en ammas immes Asan=s se a en ) - manerosuomamme es ersusCNN Tous ias a2 es 38 es as ao as samme Per QL E10 esOV _ - e g eseare-- . I e erus 1 FJ ur sus CCN **4 aCCes e.? o --- &' 4, se.... e.

NES&t. DEPARTMENT CALCULATION SHEET

- - ' 1 C ~7 oc.,42 o, i.52 ccN couvtassoN.

Propet of DCPMMP Calc No. E4.c- 0 't r} 4.I cc~ ~o ccN-. \\ m l Sheet No. i nry omsomoton oats sus oats arv onconatom can as oats /% v.20 p.- cv 8/u/v/\\ ,.r TAsLE 2.8 AE eah MCC LOAD SCHEDULE '" S O N O S 2 "' soNos a Wee toad cAteULATioN Mceterrtsn MOTOR MODEL STAT 1C LOAD WODEL Totaf Motor Eowvesentof C to Tow mesmo temme Lced WA is 30 Total Motor Land (hpl 196 70 75% of Tot Raned Samt Lead kvA) te de 75% e4 Toemi Motor Lead thp) 140 02 29s of Tot Assad test Lead $vA) 10 43 2S% of Total Moeur Land (hp) es 07 MOTOR MODEL PAAAMETERS STATIC LOAD 200E1, PARAMETERS I mee.d Moer toadi(ru (Amasi aos e0 see. Mod s Ecuven.ni pr o se ns of Remed Motor imod i tru (Ampel 1e4 ao mased samec Lc d >m es.2e 2Ss of Meemd uosor Land a gru (Amp.3 st 40 ns or mand samme Lead sw) st.21 ass et mee.d sexes imed tw) 17 07 Amand Mosor Load I(LMC) (Ampe) 822 41 ns of Rened Motor Lead I(Unc) (Amos) ete e1 29% of Reemd Moser Lead I (LMC) (Ampel 308 80 TOTAL EQUfV MOTOR AND STATIC LOAD

Toesi Eeuwesent WA 243 10 Toes Ecwwenant kw 307.30 ToeW Ecuvetent kvAR tu e6 n% Tonel Espvesant kW tas 82 75% Teemi Essveiers kVAR 64 SS A u.:

t. tw. % ter mener meanmes

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NES&L DEPARTMENT l CALCULATION SHEET [*' C7 s,, a coe cevtmsos. Propet or DCPMMP Calc No. [4 C-O N 3 /E l cc= eso CCN.. j SuDrect SheetNo.__ c gy u ommonaT04 3478 WIE DATE AfV ORzenaT04 0475 4AE DAYE M ' [.' eb / b ) I TABLE 2.S F CCN(C7 CS) MCC LOAD SCHEDULE "' S O N O $ 2 '" SONOS 2 MCC LCAO CALCULATION MCC 28M #ESA powM EQUIPMENT SREAKER MATED MATED PF EFF MOTOME0uN STATC CoutV NO M8 SMP WA stW WAR WW eNAR Pwp Pt41 Doch Veno Sypees 2HV4763 29mA00 0 750 Shuesown 00 Cet Veno 2HV4300 29413 1000 shene Cie Hx aseme cet W 2Hv41e1 284Ais 2 e00 Pump Pois Mrs Ascot W 2&N4163 28AA18 0 870 Penes 2007416WA XWnr 2T074* 294A22 S 00 46 100 4 25 2 63 I Margm ter Futwo Motor Lanes 15000 15 000 86 88 Margin ter Fukas 9enec Lands 5 00 88 100

WA tiemed on actues bed.

Assumed pf & en Teams 0 00 0 00 a 2s 2 83 i Nous For OL etic MOV parameenr changen resor n = % 1 e and 17.2 of rus CCN 42 ) CCN C 7 tar U2 E4 Coo r1 MOTOR MODEL STATIC LOAD MODEL Teemi Moeur Esavnesnt pf C 00 Total mssad samme Land hvA s 00 Tomi Motor Land (hpl 0 00 79% of Tot Remed test Lead $VA) 3 75 79% et Tomi uotor Land thp) 0 00 25% et f(4 masse sent Land kvA) 125 20% of Teemi Moet Land N) 0 00 MOTOR MODEL PARAMETERS STATIC LOAD MODEL PARAMETERS Rend Masar Land I(FU lAmpe) 0 00 smee Modse Eeuweern pf 0 86 79% of band Maent Land I (FL) (Amps) 0 00 Amand Samac Land WW) 4.28 29% of Maced Motor Lead I (FL) (Amr.) 0 00 75% of Amand Samac Land #W) 3.15 20% of Amned Senec Land WW) t.08 amma Moonr Lead I(utQ empo) 0 00 Tes of mused Moemr Lead I(UtQ (Ampei 0.00 29% of manad Meer Land I(LPQ (Ampel 0.00 TD7AL EQUfV MOTOR A>C STATIC LOAD Teod EeuNedere kVA S.00 Teemi Eesvesant kW 425 Taed Easveient kVAR 2 83 75% Teemi EeAusent kW 318 79% Teemi Eesveient kVAR t.se Answ geons

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NESOL DEPARTMENT CALCULATION SHEET -n-6,,7 mer % es CCN CONUER$10N CCN NO. CCN - Project or DCP/MMP SONGS 2 Calc No. E4C-090 Subject AUXILIARY SYSTEM VOLTAGE REGULATION Sheet No. RfV ONCIRATOR DATE l#t DATE RfV SmGIRATOR DATE l#E Daft .. s. w&M ' clule, s s.en% 9, 'io is t APPENDIX 9.1 - UNIT 2 CASE A14 YOLTAGE REGULATION ANALYSIS REPORT ) o SCE 2tL426 NEW 4.90

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O 2r7s3E e.ee93 e.e27e m2 ar7se. ...e,3 .. 27. o.,,, ans. ......e -.. en e ce O I 2 stem tana caersa reset asten Tic e.4es e.441 e.9tess -e.2s .SI l 2ete

e. sees e.eete 5

l 4.tse 3.954 e.9sess zae7 -e.sse? -e.e473 g, 3 - m i asA samvom cournos. cuersa 2sa nce e.see e.eu e.9este -e.ss ce $ 2sants e.asse e.e97e ig I 2 as7s e.tus e.esu I g=O wei -e. 0 7 -..ie93 2aaR7s feCC 2ea 7st TUfaL NDTot IAaB NIE e.eet e.434 e.90ste 0.94454 -e.96 2ea -0.1s44 -e.e970 j,, CN O 2 mas 7s secc 2ea 75% ToraL staTsc taas tan e.see e.e3e e.9este e.9este -e.94 2ea -e.1443 -e.es24 go I n.

o. ca c

r. cc e.e.. ..en..so m -9.a o :o teen 7s e.12e2 e.e19s y,, 2ess7s

e. ore?

e.eese anos -e.1549 -e.es7e E. o>' 2.e n .ee n. m Tora i.a. .. u. e.no..som..mto -9.u. m ... u n -e. ens

g m asesn nec 2em m ToTat STAT!c taas pas e.ese e.eze e.sean e.es272 -9.se aos

-e.s:s? -e.eese l 2ec notom cowrmos. curren 2ec sete e.ees e.e43 e.922e7 .-7.4e P l 2ecnn e.eset

o. esse a

mees 7s e.es7e e.e m n, m3 ... i e n -e.e m zw

--r s II ,Ds33ee t l seefRJaIA. BsCAP. Somes 2_c t Itss s 3 tas. Daf; 1 1-ass-1923 17:es MO y 9. g? 1 copres,ht 19ee sechtet rever cert oretsen. att atents a served. $( esess) ToLTaGs SeeWLattoW aNaLTsts (R Least 1) passt as lanO efAW aRALYsts 3 sport Dats: s-1-93 ZU i sTsTan oPsaaTING nods: Total coWWactsD EAaB Tins: 17:estst gp h o 25

cAss evness

Att Ch naos er: maar sensata

mata mass mans: Ase 2>2
reoaser mans : ava. srsten v.a. - unte 2 caso er E e<s
Joe wuness

see-eve at

........e..................................... c m,,o,,ec-. vg N.e l< vootaes >I l<- pousa rimw >l E I ses on aan as sono reon isonraat acTwaL sus ease mass amoss i to I

asas, asacerva l O}O rao suussa soutenser ossemartson to I tava tava te.v.s tr.v.)

nases l vna monesa I a,or . invaan i O 2ecnn ace 2ac ns veras, novos amas nra e.eee e.eu e.saae? e.esass -1.as 2se -e. e u -e. esse 3 .csn cc oc n.,om mm - m e.ees ..u)...n o e.,u n -7....c -e.ene -e.e3u g a. . = u..s.sm o. cc ee e.no e.u, e.,ues -s. n C ny c e.un ..r.ss z3 zooooses e.sne e.,ees m asse -e.ee n -e.eess Oo z bm 2-- ,,ec 2. so. i cA i a..fo.... - e. u. e.u, e.,ues e.,un -s.n a. -e. n ...u ss om8 cc 2

a..,.....,as e.4e.

..u, e. 3.ee e.,3 s -.. u 2 -e.e.,e

e. sees q

2oon s.cc asas nec e.4ee e.4 e e.esne -st.es 'a it a.s, n .) ..en. i acessu

e. san e.e 3e m$

asteux -e.eus -e.e2se ,g Io

anosnt, nec ases ne ToraL noros saan nts e.4ee e.4tc e.essee e.seese -11.4s zees

-e.e n n -e.e ue >z l 2eessn nec 2nos 7st totas starre sono paa e. e as' C e.41e e.es ne e.es ne -11.es 2 ens -e.ean -e.ette aos nec 2es nec e.4ee e.in e.943e4 - 93 2sastes e.sese e.en? z 2n4 -e.een -e.n n on 2.ssan nec 2.s sovav. toca ima. enn .. u. e.es)..une e., esse -s.,3 2.s -e.ees. -e.eii7 g* 2er novos coerrnos, eterna 2ar nec e.4ee e 429 e.es2e7 -,.si g., 2ernn e.sost

e. eses y>

2ersn e.n us e.e**e ~O ani -.. n n -e.eue 8m 2 senn nce 2sr n n total noTom goao nts e.484 e.429 e.892e7 e.93169 -9.57 2sr -0. lese -e.ese, tag o e. -J t' i) m s

1,5 _,ee2, ,A CA.. ,2,,.,, _. T,, 1- _e-199,,729. ...e ,e tB Copyright 1988 Bechtel Power Casperaties. All 31 gents teserved. .i M B* kt453 vot. Tact asoutaTron AmALTsts tartsAst il FAos: 16 g se IAAD Flow ANALYSIS BEPot? DATE 0- 1-93 ' y SYSTtst OttSATING MODEt TOTAL COWNECTED IAAD Ting: 172 5251 US C i............................................. @h

CASE NUMBER 2 A14 MADE BYt RAR1 GURJAI.

33 > ' '* SATA SA5E NAM t A14 y j

PROJSCT WARE t AlfE. SYSTEft V.R. - (NBIT 2
CNSD BY1
Jos mensen t s4C-ete at ca,,,,o:,,e_,,,

3 g l 9 l pm E l< vot. Taos >l l< pousa r Av >l 4 I ses on non as AAs l l l go eson IsosersAs. AcTuAs. sus sass mass Amos.s I to l meas. asAcTrvs l TAG ptmesta Egw!POWWT eSSCRIPTION ID l (EV) (EV) (P.U.) (P.W.) (DEGI l TAG Ifuleta l trar) (NTAm) - l .===. .=

==. .. g m 2BFS75 ftCC 28F 75% TOTAL STATIC 1AAD PAE to.4ee e.429 0.89227 e.89207 -9.47 23F -0.1346 -0.0449 3m 23e SEDTOR CONTROL CENTER 294 ftCC S.4ee e.451 0.93944 -6.17 O 29ecswan 0.0053 e.905S C 2encesas 8.0378 e.0000 0 29 6 -e.e431 -e.teSS I EC 2.UDesmet stCC 2005 30 IACA 'AAD W/O D.G. MIN e.4Se e.451 8.93906 e.9790s -4.17 2eII -e.0053 -e.etSS Z 3s's m 2seceses 80CC 2Sn 80. EACA IAAB W/O D.G. PAK e.400 0.451 c.93964 0.93906 -4.17 2 set -e.0378 0.0000 U& EB O 2eare2 resa era Drst rus. 2 sere 2 s t.C e.400 e.4Se 4.93e26 -0.59 .i 2:Se7 e.eSe4 e.eeen 286e81 e.eS46 e.ecet (#3 3 256 9E e.eSe6 0.0001 ' m 2u ter e.eSu e.eest

- 5 2ee2

-e.2e:4 -e.ne 4 v *!! Io

2.,e4 i.Ac.

auS-us,tc . 480 e.us e.934n -6. o

Z 28615E e.eSe7 0.eest

( 25616E e.eSe7 ..eest b 2t6175 0.0547 9.eest 9* O 2561eg e.SSe7 e.e491 NO 29 4 -0.2028 -e.eeeS Z a 00 23stes PRESS If?R SEWP 23627-29, 23622 Soc e.4Se 0.448 e.933S7 -6.62 .,4 2E622E 6.eSee e.eeet 25627I c.eSee 0.etet 28628E e..See e.09e1 ' 13 a, 2E629E e.eSee e.eest 3*g 2n6 -e. u n -e. een 2.=: nec n=x nCC e. u. ..u4e.u2n -u.53 anun?S ... 93 e.ei). t 290tI5 75 e.e422 8.08$3 2 14xx -e. u l $ -e.e2e3 9 j)- O ( s a 154 ~ - ^ ^ ^ - ' - - ' ^ - - ^ '

s

8

[S ne.,i nm. .-n u i. um..aTu i-a .n nr. ,e,e,, = copyright 19ee Dechtet Power corporation. att Rights Seeerved. ' Bass 3 ToLTast meestaTrow afrat.Tsts tatt. sass il pass: 17 E' teaD FIAef amaLTsts REPORT SnTE: e-1-93 Z 68 sYsTEn ottaaTING nDet: total coWWBCTED tanD Ting: 17:esist g, > .E

cast sunsta

ate naDE ST: MARI OURJ M C

[

BaTa Sast RafE ate
PtoJEc? Nam : AUE. sYsTEn V.R. - WWIT 2
CWsD ST:

4

Jos munnen

see-eSe at se case,,,,,,c.,,,,g g

2* -4 2Kh l< Tot. Taos >l le-rouca rimw >l E l sus on non on inas i I 4 Paon Isonsnat nervat oos mass mass anos.a l To I maat asacTrve oO e Tao awnesa seurosuset asscarrTres In i tav invi tr.o. se.v. tosen l Tan suneen l inw invamp i >. C g> . - O. asenn?S nec 2ess 1se ToraL samvoa smaa nra e.ees e.414 e.esus e.ess75 -11.53 2ser -e.etos -e.etse n 2 2enss7s nec=== ne man. mTre ima. = e.us e.eiee.uan e.uan -it.n am _e.en2 -e.n u 3 c 2st mee 2st nec e.ees e.422 e.e7e33 -te.e3 g amn e.no e.ees, 2ess75

e. seas e.es2s nio@

2sta -e.21e3 -e.1tes III 2mn. ,,ec 2n n e m u. ro. sma. e.us e.en e.non e.,asu -ie.n a -e. n o -e.ees, o; as O astsis acc ser 7s4 Totas. staTre smas paa e.ses e.422 e.e7en e.e7e33 -te.e3 2ar -e.eets -e. ens 3 ans surroe cournot cswrsa 2e3 nec e.4es e.ess e.see7s -s.es assntse

e. ease e.ees1 08 3 as Q asastee e.es23 e.esas 2.u

_e..,n -e.e en 4, Go 2 tee ,,cc m . inc,ima. n,. ..ees ..eu...un...esu -s.es - -e.e ne -e. een e ** 2sastee nec res soutv. saca tans paa e.eee e.ess e.see7s e.see75 -s.es 2ss -e.es23 -e.e ns m(O 2ea secc 2sa nce

e. css e.sts e.ess2s

-11.23 O asan7s

e. eses

e. esse Z

asasis e.eist e.etet 2ee? -e. tie, -e. eses op >w aosn7s nec asa 7ss Totas notoa anno atu e.ese e.415 e.essas e.se192 -tt.n ass -e.este -e.e ne al asas75 nec 2sa no Totas, staTre Imas paa s.4ee e.414 e.essas e.essas -11.23 asa -e.e ss t -e.etst es 1 a> hk 2st nec 2st ,ece e.4es e.eti e.es936 -11.25 2sta n e.eise e.esos l c

sa.s7s e.ee73 e.een g

zee 7 -o.aser -e. net

M 5

v ~w-e-~w

R.g _m3 s io.mia..sCA,..o 2_n i ,3.o..ATu i-A -i993 1,s.6 ,.ee,, Copyright 1948 Sechtel Power Carpetetloa. All Rights meserved. .gg 23653 DOLTAst asectAT!oW ANALYSIS tRELEAst la FAsta 14 IAAO FIJnr ANALYSIS Rtpoef

DATtt S-1-93 N

SYSTtn orthATims noot: TOTAL coastcTED taA0 T3ns: 17:05:51 03h O M

cast senosa

Ate Eh i.

nass eT: mans ownsA A

SATA cast WAnt: A14 4.- 3

= roostc? nAns sex. SYaTen v.a. - sur? 2

caso eT:

5 <s

Joe sonsta

ste-ese at e

e.g c m.,,, ,4c-,,, ,1 1 l< vos. Tass >l le rousa riane >l E I ses os son ce tono I g i esoft IsontaAL AcTvAL sus mast aAss Amst.a l To atAI. BRACT!?S l oO TAs manosa sostesswr stacareftom to I save tava tr.o.) tr.u. toses l TAs musata tiers invAmp-l h O ..n cc 2.t. n. ToTAt. - A. ,tt. 4.. .. n ?.. 6 9 3 6....,16 -u. 2, 2.t. -.. 76. -...,6 2tLSn IteC 2BL ut TOTAL STATIC IAAD PAE 3.400 0.417 0.86936 8.06936 -11.25 29L -6.9873-m -9.0423 g au co ot. c.=a at.: nec 4.. . 4u....n9 -i. 24 C og ai.nnn ...>9 .. 2n x3 ast.as7s e.ets2 e.eest m ~ 2s12 -e.es43 -e.e273 0 O g Mm aetants. ncC ast.x 7st total noroe taAo are e.4se e.4 u e.es799 e.9266e -1. 24 2st.x -e.e391 -e.e242 oa os 9 298.Es7S DItc 2st.R 7S% TorAL STATIC 14AD PAst 9.400 0.426 0.84799 0.08799 -18.24 2SLI -4.0152 -0. 031 2sst secc 29st fact 4.480 9.421 0.87767 -9.01 ai!! a tn .. 4u ...u ? af.n. ..ies? .. 9n =s 2311 -0.1969 -0.1266 y. Iz us.En cc a,e m,otAt.t

o. f.A.

. 4.. .4u...n67..nso -9.n a,e -.. 4 u ....u ? o E -a 23ses75 secc 2 Set 75% total STA?!C IAAD PAK S.489 S.421 0.07767 9.87767 -9.81 23st -0.1457 -9.8979 23seg serros courrtot CENTER 2EstE 80cc 0.408 8.447 8.93186 -7.19 tP O gn 2ssenen 0.9300 9.9236 2 2snzsn e.e165 e.cott go as13 -e.ests -e. san 4 2setann sect 28stE 75% TOTAL stoTYa IAAD n!N S.480 9.447 9.93186 9.97237 -7.19 2sset -0.8380 -0.0236 9 os.on cc m,wrAt. m n C i.A.,. .4= . 4 o. 9 u....,3 i- -7.it a,. -...i6, ..... n ~D 2ss posTom cowroot,etwrta 2os nec e.4ee e.414 e.sG1ss -12.53 $m l 2sseq7S c.l?st -9.!!42 8N 2ess75 0.2320 0.0765 O 2009 -0.4096 -0.1987 0 4 3 O hd m

. SON 38 2 & 3 AUXiUARY SYSTGEM VOLTAGE REGULATION E4C 090 REVISION 1 ICCN C.7 PA:E d"7 */ 'JD MADE BY: N. S. GURJALA A/If DATE:.,3292. CHECKED BYr S. B. PHAM G8 DATE: M i 1 ---' ~ :

==

~:

I .!g

= :

.lg ii di i dei i i dei i i dei i g Il!

x:

~~ g

==

ii di i dei i i dei i i dei i-g is i I y ;.. !en .a s: a Ie. 3:. i se. g o In:

=

~~~ ~ ~ ~~~

j 3-I!

i i i ii iii iii 4 E: I, :- I...... j., - ~ .g: ~: 3- ~ 518 e: s t.

a e

ae -=[,5:: 1

ggg,

= =..

=

==

~

3 ! a:-E : 8s8 e es

ee ase a: I l::

b,gl:: ~ ae; ee aee aae s .i: 1 e ~g

ss

tyg

j,g aee aa eea eae a

I

lI.::

el :., V ,.V

.,V

., V

! B :: 8

. -l:

l e :

l ceg:

g g.ig::

lI Ii a: 4 -: o a 3 g gg Ily n, n.

=.

u H5 l sv 88 s . :, y gg e ee EE g I II I.. ~ 3 I .,a 1 i, .I I, 11, .VVV VI VVI VVI V 1 Il n a, 1ii I. I se

1 11 9

L

= ,es03ee s t GWhJa&a. sscap.seess 2,R 1 } sse s 3 ass. Dat: 1 1-ame-1993 17:es page 22 O e# Copyright 190s tochtet Power corporation. All Rights poserved. $ h3 - 'asss3 vot.Taas mesetattom amaLTsts testsAss la pass: 2e 9* IAas FIAnt amaLTsts Repoet z se Datet e-1-91

g>

sYsTan erstaTING noes: total ComuscTs3 IAna Tins: 17:es:s1

Cast 3RNeta alt naDe BT RaSt GURJa8A
hath ' Bass RafE at4
M sCT mans : api. sTsTan V.S. - UNIT 2 CRED BT:

4 4 l

Joe WWesa t s4C-o9e 31 g

4 ca14.so s4C-e9e R1 g# E ~ E l< vos.vnes >l 3 pousa rime I ses os son on amas l l reon Isonreas,actuar. ses mass mass anos.s l To i

meas, mancerva l r-o was suussa sostrumme asscarreros to i tuvi tava tr.s.:

te.v. tese l ras muussa l tiets invamp l .~. ..g ases75 ace 2er 7se Toras, static smas pas e.4ee e.423 a.seles e.eetes -te.se 2sv -e.3427 -e. esse 3 m ~ asw novos cournoL caersa asu nec e.4ee e.417 e.e'J22 -11.55 O m emesi7s e.e94e e.ese7 C 2 sus 75 e.ne9e

e. sees o

2:14 -e.2eie -e.3393 I $O asses 7s ace 2sw 7se terat novoa smas nas e.4ee e.417 e.ese22 e.ses97 -11.55 asu -e.e94e -e.ess? gZ ? 2eus7s ace 2su m Toras, svarac imas paa e.4ee e.417 a.ese22 e.ase22 -11.55 asw -e.nese -e.eees O4 tz O i aos novos coernos cuersa 2sa nec e.4ee e.419 e.s73ss -11.24 2 ann 7s e.3154 e.e74s asusts e.23s9 e.eese os as 2sts -e.3523 -e.1ses ,g 2 aman ace 2ss 7se' Toras novoa smaa naa. e.4ee e.419 e.e73SS s.91153 -11.24 2os -e.1154 -e.e74s D # h 2 7s ace - m Tora,. -,ic i.a. . 4e. . 4i9..eim.. ems -n.24 m -e.ns9 -e.ees. e.z s 2sr ace 2er ace e.4ee e.452 e.9422e -s.99 h 2svntes e.14ee e.eese g5 2 Tsiee ... m e.sess o 2904 -0.21st -e.1321 2 00 2svntee secc 2ef ageIV.1AcA RanS m35 e.4ee e.452 e.9422e e.9e325 -S.99 287 -e.14ee -e. ease .',g asTstee sece 2st meerv. asca sono ran e.4ee e.452 e.942a e.9422e -5.99 as? -e. e 7s 3 -e.e453 1s 23: sepTom coNTBob caersa 2es secc 9.400 e.4s3 9.94413 -S.e9 e.e.e,2 8~g 2 - ie. 9.i39 ...es3 2.asse. e....s 23es -e.2e75 -e.12se t, w -.1 's\\ s

m e E 46 g" O _DEJ3es:lGuaJA1A.SacAr.so#Gs2,C1lE:ss3.T;s.DAT;1 1-AUQ-1ss3 17:Cs r;ge 23 gg m., copyright 1988 sechts! rower Corporation. All Rights Beeerved. gg TEss) VOLTAGE REf.Ut.ATrow ANALYSTS (RELEASE 1) Facts 21 toad rtmW ANALYSTS REroRT DATE: s-1-s3 Z I'* sTSTEn orERATING node: TOTAL CoenttCTED LOAD TrnE: 17:es:s1 g3 oM a cast sunsta

At4 nAnc sr: naar GumJALA

NATA sass sAns: A14

<-- 3

rSoJsCT NAnE : AUI. sYsTEn V.R. - uWr? 2
CMKD ST:

5 o<n a aos evnssa

see-eso at cate,no, see-3,o ag d

A.W ~ l< voLTAct il l< rowsm riow et E I sus on non on toAn I t i raon lWonrRAr. ACTUAL SOS Bast SAsE ANGI.E l To l REAR. REACTrvt J o}O Tao sunssa soutensw? esscarrTros to I tuvi tava tr.o. tr.v. tocG l Tao munesa inw envamp 3 asmico nec 2ss sourT. tocA toAn nra e.4so o.4s3 0.s4413 e.sssas -S.so ass -e.1392 -o.ees3 a, m M" g* aussico nec 2es tourv. tocA toAn ras e.4ao o.453 o.s44u e.s44 u -S.ss ass -e. essa -e.etes g( 2cste trero reocass Arm sTstan cone nrm o.4eo e.42e o.s7453 o.stass -te.ss 2cster -o. eses -e.e 3 n $d acsten 2csso TsantsAL sie o.ese o.42o o.s7453 -te.ss O@ 2csso ...esas e e.esn p,,,, 2.., .e,.. ... e, n o e, 2:122(2suro13 raor NTm SAatt 2:so! To 2tso3 rAR o.48e o.44s o.93sse 0.s3sse -4.s1 2se2 -e.tsee o.sooo gO -< 6 2:123(2saross rear m mass asse4-2sses ran e.4se o.44s o.stssa e.stssa -11.33 2ees -e.15eo e esee "g 2:124tasuress sacave m mAmt 2:s11-2ss14 ram e.4so e.eso o.sss2e e.ssoas -a.se asea -o.2ees

e. sees

=s 2stast2aaro73 sAcxur m mass 2:s23-2:s2s ras e.4eo e.eu o.s2273,s.s2273 -11.as ases -o.2ees e.coes y un Io as127:2serest azur uTm sea 2:s19-ass 21.2ss3e ram o.4so e.443 o.9221s e.s221s -11.21 2ses -e.2ees e.oose >z I 2:2e1 cmTiert staucrums soan curLt. n nra 4.1se 3.s47 e.stese e.94sso -S.72 2 Ass -e.7sse -e. nst 3Q an2 c.,,,,r mocT ?cmt ..is. 3.ss. o.ssn7.. sin? -s.is 2Ao. -e.7. 4 -e. nst z 2:ssa sTwoe? cwrsarr soon COOLING ras n1N e.40s e.431 e.OsSU e.s3718 -4.s2 2:3s3R -e.ets? -e.0321 o () 2:n3x 2:3s3 TransmAL sLe o.4ee e.431 o.ssau -e.s2 MN 2:393-e.e497 e.e321 m i' m 2 set -e.sts? -0.e321 a> 2t3,4 CwTrert nonnAL COOLING ras nrN e.48e e.447 o.s3o48 0.97es) -4.20 2t394X -0.e497 -o.e321 'D )o ym 2:394I 2t3s4 TsantnAL SLc o.49e e.447 o.93o48 -3.28 A 22394 o.ses7 e.o32 4 2se2 -o.e4s? -o.e321 h ua 0

.c OO ,seOLee s t eWRJ AEA. SSCAP. sosss 2,C1 ] ER6 S 3 Ras. DAT; 1 1-Aue-1993 17:06 rege 24 m EN Copyright 19ee tochtel power Corporettee. M1 Rights Reserved. .i h3 P R3653 VOLTA 48 RsoWLAT1ost AmALists lasLEAst il PAst 22 g g. IAAD etAW ANALTsts atrott BATEt e-1-93 - p STsTER otERATIpe nocts TOTAL CoWItcTED IAAD TINE: 17 tests 1 Wc X { j

CASE WUnSSR

A14 nADE ST: MARI GWRJA1A

DATA Bast samt Alt 3<
eBoJECT BAM AUI. STsTEn T.R. - UNIT 2
CMD oft
Joe sunsam 4c-e9e at cas,c,,,, gee..,, og g

-4 M x l< voLTAos >l l< powsm r:Aw >l l sus ce non as AAo l g i oO reon IsontnAL ACTUAL sus mass sass Anot. l To I asAL a AcT ve i h TAs wuness sostraser ossCurrTres to i tuvi tuvi tr.o.: tr.o. loses l TAs suness i ima invAan i .~. ..g m 2:396 cTsure noenAL Cootzme ras nam e.4ee e.436. 9e746 e.94692 -le.7s 2:3961 -..e.97 -e.e321 3m 2:396 2:196 TsansmAL soc e.4ee e.436 e.9e746 -le.7e o 2E396 8.e497 e e321 C ases -e.e497 us.e321 oz Q=o 2:397 carrierr noenAL cool 2me ras are e.4ee e.432 e.e9976 e.93ees -e.64 2:397s -e.e497 -e.e s u x j ' 2:397x 2:397 TsasizmAL sLe o.4ee e.432 s.e99 n -e.64 tre esi Og 2:397 e.e497 e.e321 ^ 29e1 -0.e497 -e.e321 45 .i 2339e CTIWT WoenAL CLS raft nIN e.4ee e.434 e.96471. 944GS -10.74 2E39et -e.e497 -0.e321 W3 2539eX 2839e TBaptIRAL str e.4ee e.434. 96471 -lo.74

m 2t39e

-..e.97 e e.0321 .e.97 -e.e321 i W 29e8 IO

z 2n99 co.Tu - - rA.

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>m cage,,,, .c.,,,,g =g b.4 - T le ToLTAos >l ge poust rimw E 4 l-ses ce non os sman i g reon isonsuAL ACTvAs sus RAss sass Anot.s I to I asAL RsACTr,s l O TAs muussa sostriest assChamos to 3 an,) ImT tr.s.: tr.o. essen l TAs suussa i esers toevAR 3 3 N.. mu -is A ,0 A ,w . 4.. ..u4.... m -2.19 mit. ..nu ... 0. 3 4.16e 4.165 1.00125 2A44 -e.1425 -0.9918 g l mn ? mit- .w 4.. ..u4..mu -2.n C ng 2Tel45GLS 0.1417 0.0478 g 2T914 -6.1417 -0.0878 0 O 2Te14sota Wes TRAmsteensa FACsAss smAs pas S.408 8.474 0.98647 9.98647 -2.22 2TG1496 -0.1417 -0.0010 z J m 221 assents Ass!LIART TRAmprotest TSW 234.000 217.999 0.94702 9.00 . b gO 22R1 I 4.013e 2.7796 22R1 Y 21.3354 14.9446 strITCNTARD -26.1496 -17.7511 09 2331 I REs5ETs AWIILIART TRANS900fWe TSW 4.360 4.175 0.95748 -1.39 W 2A44(2ER13 4.0060 2.6267 yW m1 -4.. 6. -2. 6 u, q 2xR1 Y 35353T AWEILIART TBANStossea Tse 4.344 3.985 0.91446 -S.04 E 2Aelf2Eall 15.5306 9.71H p 2A4082 Rail S.673S 2.5565 2ER1 -21.2122 -12.2791

,gg 2ER2 RBesRTs AWIILIART TRAstroefER TSW 230.000 217.999 S.94702 4.96 2

2RR2 3 4.6S84 2.6671 0y 2332 Y 23.4747 16.1651 StttTCuYARD -28.1346 -18.0645' g 2xR2 3 ASSERTS AWEILIART TRANSFoepeRR Tse 4.368 4.177 0.95800 -1.35 'n%~ ug> 2AS4(2Xa2) 4.6920 2.$246 g 2332 -4.6920 -2.5246 G l 2XR2 Y RaSsRTs AlfEILIART TRANSFossesa TSW 4.369 3.966 0.90971 -S.S3 2A07(22R2p 16.3503 18.39.79 9 3 5 coe d

SONGS 2 0 3 AUX 1UARY SYSTyM VOLTAGE REGULATION E4C490 REVCON 1 CCN C 7 PAGE 98 CF O MADE SY: N. 8. GUFUALA / rr DATE:.8959 CHECKED SY: S.8.PHAM 680 DATE: m I i 2 3 1 a nI 2 U83 Ii

i. !

i = I, I l b. J

. _.7 ). SONGS 2 & 3 AUXIUARY SYSTQM VOLTAGE REGULATION E4C490 REVI:lON 1 ICCN C.7 PAGEGI8/'.b MADE BY: N. S. GURJALA alb. DATE: 8293,, CHECKED BY:

8. B. PHAM SA/

DATE: M \\ I. ]3 ~~

3

== I Ej i di i di i dEd**4i di di

=

8

3' 3

2-9" "" 1 ~ ~~

I!
T
T T
T T
- - - - 7

~7 ~T ""5a9." 77 2 a~ at* 5 t As I i jii iii I at y .s [g.l -= _ a :- 4 5:.:g in =

s =.

=s : 6-E !, i...... lI ii 44 ii i i i

=

= ~ ]3e- = = ~: 5 e: a a a gg.,- g-( _.l8: ~ =

age, ea ae a;

aea 8E :: 8 gg g: s 6 8 1,g j, j g-y n aa aa aa e aaa I l8 :::*g.t: Igg-a s: 1 t ja,, j a; aa a; aaa .sll8 -gi m3 .e s ss s y y 3 f~ l :lgeI:: ~

8. 3 a:

I l

B:e 8 :

I g 14: y:: ., 2 n e .e E 1 Is-E E 8 = 5 t ", y g ,a 1 lu i E 5 Q, g 3 l

g lN I:.

I V 2 2 6 :t l l 4 3 g I _= 22 2 2 Ia. .e 4 s a 65

SONOS 2 & 3 AUXIUARY SYST@#M VOLTAGE REOut.ATION E4C 090 RE PAGE C #1[I MADE4Y: N S.GURJALA # DATE:.1233 CHECKED BY: S. 8. PHAM SSA DATE: M i-4 x :3: g II.I i 33I

'5 y

i CCe 3 lI5 2 ee pl I i ) ~ $8 8 =. 3 Nn' I i i= ) 3 e

y b .m II ,sas3 [.umJA1A..SCAP. Son.82,C1lsS453 ass. ant:1 1-Ass-1,,3 173 4 pe,e 37 Coptright 1,.. Sechtel Power Corporaties. All Rights Reserved. 3 gg i 88453 vot.TA.s atestArtes AmAI.Tsts,ast.aAss 1, Pa.s: .- 1-,3 Z" 3 IAAS FIAW AA48.TSIS BSPo8T DATE: 3 SYSTEM OPERATING Moct: TOTAL comWECTED I.AD Tins: 17:.$t$1 I gpE g

CASE BU,WER A1.

Mh88 STt MARI. 4RJAEA 3 . SATA SASE 54,Ws A1. C

PtoJsCT 54,5 AWE. SYST.R T.R. - WRIT 2
CBE9 WTs
Joe WWOWER
E.C-...

El W cas,c,,, i.e-,,, ,g g ?.il E l< vos.TA.e >l l< eousa rimw >g I ses ce son os amAs g g emon goontmas. AcTema, sus aAsa aAss As.t.s I to I

asAs, asacT Ts l C;0 TA. -

W., _..T ..T, TA. - A., .W.,, .. m......,...... -o. - n.1,, -... m n ,,cc - m m ? c 1.A. ... n..... n..... n - n. . m., ....n 3 g no .svon cournos, casTsa no nec..... ...n..,2s -1.... o sonn .. 21. ...u. I ~ noen e.2eee ..eeee m 31. -. 3... -.. 13. O .o.in .ee.o m A ... n.... n...o n -i.....o ..n. .nu o pt EB 30 75 ,ect se 7S. TOTAE, STATIC 1.As PAR .. 34.. ,2S.. ,2S -1. 3 30 -. 2... se ,sevoa sano essren se ace .. u. .. 33..*.11. -1...? ,, 3 ses7s . 1s1. ....es a. St. -. 31 1 -. 161, y GD Io sys 7s ' .cc or 75. total novoa s.no nas ...n..

11. s...

2. -1.. 7 se

-. 1s7. -. 1123 7z E.a sp.73 ,ecc er 75. TOTAL STATIC 1848 PAK ... n..

11...e.11. -1...? DP

-. 151. -....,4 a.,29.., ,8CC 9.,29..,,cossess, acc .. 53... 2n -S.,3 ... n ... n. z s.t23.., 81 ... 1, ....A4 m.g g .u, ... n o n .,.1 ,,ce ... m..... m... 3 n., ...., n ....n. .p ....1 ,,cc. cA .. m.., m.... m. -,.,3 n -... 1, 82 on cc u ,i _, cc .... -.. m.... m i - n ...e,. e. sst29 6,st.. .. 426 ..2M W 23 6 -. 113. -..essG w D l

,0ss3r3 leumJAEA.BSCAP.seess2,C11ts453 mss.s&T;1 1-Ass-1993 17:44 pege 33 C.,yright 19ee seentet power Carperetles. All alghts seeerved. .$ as

886S3 vot.Tast.ReeWLhttes AnkLYsts (astmast 13 paeg:

34 98 I.48 Ft.W ANALYSIS BSPORT g g, .Y.T. m...m _- T ,,8-1-93 SATE: .g m. 7.S.51

CASE WWNBER 3 A14 Ith8E ST: RARI GWRJALA g
thTA BASE WAfW A14
PROJSCT RAfE t AWE. SYSTEN V.E. - WWIT 2 I

CERS ST:

JOS IMAGER E4C-494 31

\\g C.C.,,, ..C ,, n =4 D$ le vot.TAes >l l< Passa rimW si = l SUS 95 West OR 1848 l l l rease luonamns. ACTenn. aus nAss ansa Amsta l to I asAs. asACTsTs l TAS Busman agNI99ENT SESCRIPTIGE 19 l (ET) (RV) (P.W.) (P.W.) (308) l TAS 345333 l (set) (psyAR) l . i m. im. ee = . i cA i . 4.. . 4 n. 94 m. 9n97 -S... u f an i . 7n . 4S4 g .(m6in cc = . i.ca = .. u. . 4n..nm..nm -S.n niani -.. 4 u -... u. o C 3T828161 lurret COWTBot. CENTsa ST(2916) NCC 4.400 0.414 0.06166 -11.04 O STH75 0.1693 S.1964 g BTS7S 9.2454 0.12S5 2516 -0.4142 -0.22S9 3Tg575 8tCC WT 75% TOTAL nnWR taat etts 8.400 0.414 0.86166 e.89913 -11.04 ST(2916) -0.1693 -0.1984 0m fl1 W prs 75 - stCC ST 7S% 14FFAL STATIC E.45 PAR S.449 9.414 0.04166 0.86166 -11.94 WT(2316) -0.2454 -0.1255 .i 3s(2915) IICC 35(2815) (Ceseus) 3ECC 9.400 0.422 9.07949 -12.57 gn 3 But7S 9.261L2 0.1954 3W375 S.1318 8.9304 E 2e15 -4.3938 -0.1934 D mn ace sW m m an. = = = no e. u. e.4n e.sna.nm -i2.57 (mSi -.. u 12 -. 1Sm z .a ges7S leCC SW 7S% T4PPAL 9FAftC 3 43 PAR G.400 0.422 0.87949 0.87949 -12.57 95(28151 -0.1318 -0.0304 g t> 5 c.41 tapftepmur att CWIWSSSSOE (W) m 9.494 8.421 0.07779 9.91594 -11.01 510 -4.1547 -4.9499 ' bO2 C I WW, m e.m m (mi = .4 . 4a..nus..nn9 -i..n m7 -.. no -... 99 g est gestgemaktsam seCC Set IOCC 4.404 9.416 8.46483 -10.43 Best?S 4.1954 0.0001 spes7S 0.2494 9.1945 g 2311 -4.4040 -4.2426 n 2 A fm m 4.. ..u6..mn..mn -i..o - -.. m4 -. :..n R-ases?$ 734 STATIC sect IsostL, secc Bet PAR 0.406 9.416 8.86483 0.06683 -10.43 act -8.2494 -0.1945 m hs' s s

y a , esc 300 fouaJAEA.98 CAP.SoWSS2_CilE8653RES. BATS 1 1-Ass-1993 17:04 page 39 C.,Telet1m .1 .c.r,..u . u t sl et.

g,,

' 384S3 TOLTAss togetAttes AaALYSIS (attsass 1) paeg: 33 E i smAs rimw AmAttstS kapoeT safs: s-1-93 Z es SYSTEst OPERAftBS Mo08: TOTAL Com ESAS ?!fW 17:05:51 gp5 ~ 8 E . ca.. - ,m ,,A .T .A.I 8 b5

SATA SASE NafE: A14
PROJECT WAfE : AWE. SYSTEM T.R. - WRIT 2
CNES ST:

k4

aos sunset

s4C-oos at

>a ..............e............................... caw, : see-,,,og .-4 ice m lt TOLTaas >l lt pousa FImW >l E l ses os noss os amAs l l 3 tones IsoseraAL AcruhL ses aASe sAS: Ames,s l To i maAL asACTITs l O$ ! - o The supuss SgWIPIWWT BESCRIPTIe5 39 l (ET) (ET) (P.W.) (P.W.) (DOS) l TAs NUsWER l (IsN) (IEWAR) l h-4 .a==.. m, E287 BAger stas esa stac ast? WTR PAR 0.400 4.410 e.87142. 87142 -14.99 2r16 -0.114S e.eeet .m C m m ii e CT = m .4 e.427.. 9 29.. 9 29 -12.3 2.is -. 17i. e. e C m. A. A/c C.m 4.He 3.u4. 9sm. 9sm s.17 m. -4.M 3. -.. m 3 g g, 3331 AWE DIAS STOST A/C CBIIARR MIN 4.16e 3.944 0.94012 S.94012 -5.73 2AS9 -4.7925 -4.3333 m O i Z 3335 (2Aed) Aux same ansas Cats 2Ja (monse) uss 4.16e 4.162 1..e059 1.00059 -1.43 2 Ass -e.4417 -e.2617 i 4 E3M (2A44) AWE. asas. EsWas. CettAsa MI4 4.16e 4.151 1.86032 1.90032 -1.44'2A44 -0.4617 -4.2617 gO ( .4 B410 (2904) AME Stae CTRL RIt C3IP12 A/C RIs 9.48e 9.439 8.91544 0.9552e -S.70 5418I(2SO4) -4.1177 -0. 0M1 l

== l .4 m i2 4) ... i -4 ) -- .46 ..u9. 9me -.. M m. ( - 4) ..i m .. 7u .s 2e44 -0.1177 -4. 0 M 1 9g o sett (2ees) Aux esas CTat noose Cursa A/c are e.4ee e.est e.94e13 e.9 ele 1 -s.s1 se19 (2ses) -e.1177 -e.e7st z i 5419E(29e6) 3419(2906) TEWttBAL SLC 4.49e 0.451 S.94e13 -S.81 .a E419 (2344) 0.1177 0.0761 Wg aus -. 1 m -. M1 to 8443 90sESTIC BWT thTER 55kr53 PAE 3.40s 9.434 e.90513 4.90513 -11.08 sie -4.3e00

e. 000 OON

( ss44 assessTsc so? unraa asAvsa PAR ' O.4ee e.4 H e.9eest e.9ees! -12.S3 2ees -e.3eee e..eee l . 4, C

t. - -c T

..uS.. 9 m.. 9 m -i. 79 o m -e..,,e .. 000 8., 8.3 om . 4, -- Sm . 4.e ..u9.. 9 m -i..,, l .4, e I i sie -e.e m e. eu. p t 5 3 O h. a

.q SONGS 2 & 3 AUXIUARY SYSTG VOLTAGE REGULATION E4C 090 REVISION 1 ICCN C 7 'PAGE3647 0 MADE BY: N. S. GURJALA Al DATE:.AGER CHECKED BY: S. B. PHAM 3 69 DATE: M ) =--- i.

s. i. i.

1.,. s. i. i. i:, i e-l.

i.,,:

( ,3 .t. l

==,,. a

,=

,, = ,= g_g a 1 i g 3 T 1 . ".. l 5 \\ jRN k 5 8 .in 3 e a$0 I g, g, ~ s- = .I I I:: ::

3

= 33 3 3 33 3 3 S 6 i ~~i~l ' *9 99 9 E: E9

e a

.i i 1 a_. i i ~ i I: I =: = = ls 2 a _e .e .e 3 8: .: a

==

x. : : :;

) III-

==

== _l e 2 ,,.,s ,e : g ig _e e.e.e.e .e.e.e *

a e

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5. :

gv: :: I: : gg ..e.

.. 6:

3a 3 gg

I i: l.i.I I

I. ~~~ii. I! IH IH I! i! n

ge :

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....l :

Bil :

8 g: : E [ [ ll l h 5 0 3 E 3I l ,1I Ii l Ii e1 ef l ga g3 i i i l 2l 8 8 5 55 55 l. 13 1=I h II Ii ls~ ~ 3 3 i I! -) =

4 l:,

g:

3

.3 3 3 3 3 II 9D e _7

SONGS 2 & 3 AUXK.tARY SYgq/EM VOLTAGE RE:ULATION E4C400 REVISION 1 ICCN C-7 PAGE 9 7 CA.,0 MADE BY: N. S. GURJA1.A A/ < DATE: EWEL CHECKED BY: 8.B.PHAM fs# DATE: E4/93 l-( 'T---' =

=

g: 3 I l 1 'i i ai i ai i ei i i 41 i Il!

== =3 gg g g = is g j i di i di i di i. di ii di i 3 I aI jii ssi .se I80 o = 5 =

I xx E !

l...... l1, i i ii ii ii iii i $.a-.l: la ~: 5lI: e, :: e e a ea e. ggI [,:: ( yy = =,. 3

== == ,sgs,.a; es ae ae aea s .I : I } j g.: 3 : "~ -~ s si j' C 4 4 4 4 4 4 4 4 4 4 4 4 e:!l*::dzgs: [1-g g g g g g g g g g g g g:l _i_ ! ---g.3 I .i.3,. , 3 3 3 g I] =R : ggI:: 5 8 i: 5 !Ei!!! I I I 8 g I E l I I-I d a.j e -~ n5 a f f l l i E. g g 5= 3I i l ns gn i1 li ll5 I IIl 1 I I I i 8 i 3 g :" I II* n m = 3 E

: 4 X

.i R .(- ,I g = -n .= .= I, . e. = ~ ~ .,...e -e.- ~.

~4 i NESSL DEPARTMENT CALCULATION SHEET ""?f81 uce ee,o o CCN CONVERSION CCN NO. CCN - -) Project or DCP/MMP ' SONGS 2 Calc No. E4C-090 Subject AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. RfV ORICIR ATO R DATE IRE DATE REY OlBCIEATOR BATE 1RE DATE

u. s. ctn$$l Ql'tbh 0' fW W 9{H N) i l

) APPENDIX 9.2 - UNTT 2 CASE 3A5c VOLTAGE REGULATION ANALYSIS REPORT I \\ ^ no

SONGS 2 & 3 AUXIUARY SYSTGJM VOLTAGE REGULATION E4C400 REVISION 1 ICCN C.7 PAGE 0'I *I'EJ MADE BY: N. S. GURJALA MAI DATE:.jgg2, CHECKED BY: S.8.PHAM VS2 DATE:g I. ( .E i H l

== s; 35 I ,i jii i ii .ns n3 t 5 0 1 E : i 3 a= l E :: g-i s! (t '?!Si ei i III-ini i

E :

~~ gi :455:2:: ta e e

:xx-I a

x g.5 [ t; 3 c .i n. i. ! He !.i I 35 1 it.i .i.Bi lj i i I,I!II ""8 2 2 ii. I; 5 E-,il!5 n-'E -o I a ,i I ~ ( i i, n%

W ,esa lee t l esRJALA. DsCAP. Somes 3,Ca l st493 Ras. shT: 1 31-Jet-1993 17:e2 page 2 I m Copyright 19e4 Dectttel Power Corporettee. All Rights teserved. .i De ' 03653 vot. Tass esoutattom anALTsts testaAss 13 pass: 2 e' g es 1449 Ftmr ANALTsts Depos? SATs 7 31-93 _'#) STsTSR ersaAT!We Moes: TUTAL CeWIBCTas M TIRs 17te2:02 .............e................................

Caes seness

3ASc nnes of: 3 Ant osaJALA

mATA Sass mass: 3A5c
PeeJecT nent : amu. STsTen T.B. out? - 3
Casa eT:
Joe museen a sec-e9e a

...........................t K2 cAsc. net sec-e9e at 4 E t Tammereensa mATA O Tanaeroessa pousa suppt? es sure tar avA l< = mAft-- >l< nesenseslggs ->l' (Tas so.) nas so.) to trtse I/a Tee. ssT mATsme j s I T l u-a s-T 3-T l 3 ass surtTCETaas Tum 2 14.2 e.ee e.000 1234.00e 2 H.coe 21.400 11.9e00 3 20043 2Ae4 Tsc 2 7.0 e.ee 8.000 1.500 4.16e e.4ee 1e.tese sut 2eest 2nse Tsc 2 7.9 e.0e 1.000 1.50e 4.36e .e.ese to.teee 9 2Te14 2Ae4 Test a 4.s e.ee e.eee e.See 4.tse e.4ee s.4See C min m. m 2 7..

1. =

4. u.

4.. oE men me u2 u 7 1.

4. a.

. 4.. e.e -r m ,.n ,0. n m, m 2

q

..u e.e 1.0

4. u.

e.4.s e.e

== a.4 2 7.. 1.

4. we

. 4 8.. le. nee 3 3ee6E 3Ae4 Tsc 2 7.8 e.00 0.000 1.See 4.1se e.4ee 1e.1eee m get A 3eeft 3Ae7 Tsc 2 7.7 1.Se e.000 1.000 4.1st e.4ee e.eees O#g ~ 3oest 3A49 Tsc 2 7.7 1.94 4.000 1.000 4.16e e.4ee e.0000 .ih 3909E 3449 TLC 2 7.e 5.M e.eet 1.See 4.16e e.484 9 Sees 3011E 3487 Tsc 2 7.7 7.Se 0.000 1.000 4.16e e.400 a.eece O 3012E 3A03 Tte 2 7.7 7.Se e.coe 1.000 4.16e 0.49e e.eece ES 3 381,. 43 - 2 7.7,. e e.eee 1.000 4.ue e.4ee

0. 400

,g 3e143 3447 ft4 2 7.7 7.M e.906 1.000 4.16e e.4ee e.0000 3015s 3A09 Tsc 2 7.e 5.00- e.000 1.See 4.144 0.400 9.5000 DI l 3els: 3Ase Tsc 2 1.s s.ee e.eee 1.see 4.1se e.4ee 9.Seee JO isles 3Ae7 Tsc 2 11.e e.co e.ooe 1.See 4.1se e.4ee 9.42ee g "2 3Te14 3A04 TH 2 4.e e.ee e.000 e.See 4.16e e.400 S.4See 3EW1 ISO-renes e3 Tam 3 19.7 8.M -4.eSe 30.000 22.000 4.344

4. M4 12.2006 12.200 24.000 V

ein-e me Tse 2 7.e s.ee

e. m

1. m 4.1a

.. m 9.stee 4o5 Le13-0 3A00 Tid 2 5.8 e.M 0.000 e.75e 4.16e 0.2ee 0.3000 I l I.9 0 b. J o 6 Y r I W s

y-SONOS 2 & 3 AUXiuARY SYSTO$M VOLTAGE REGULATION E4C.090 REVislON 1 BCCN C 7 PAgg% a(i.7 MADE SY: N. S. GURJALA Mn DATE:,,3@S3,, CHECKED BY: 8.8.PHAM SAD DATE: g 1 k E-3: II 1 5 9 9

"59"
""5 9-95
9 R
- - - 7
  - T T
t i

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== == --- y -- y T tt

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te 4 I i gn aa =. e I. !s! B 2 =. E i 383: 8 s _g as 3 ~ ~::E 8 -~~ ~~ ~* ~*~* =l lI. j e i i i i ii ii 1=g;; g.,- e. E

g:

=s a g g., g- _.l 4 =- s g , a:

8E ::

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3 g

g 8 E. ^ e g .; 8 i i I i i

i.f

.i a a 1 I 81 I 1-1I 1 3 I I 3 5 1 6 =1 s ~g n I. E E I, I n .i. 95

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88. 3 set.Taas assetatten aanLTst, tassaAss 13 paae tema Ptsw annLTats ps.oet mate:

7-31-93 g se - 3 STM WI orERATING MOSE: TOTAL CosetCTES 54A8 ftsW 173 22 2

C 5

Cast 5u4085 SA,
Best SAst andE 34,e
genes ST: BARI GWRJAEA C
.aosect aans : aus sTsTun v.a. ust? - 3
case er:
JOS WWeets B.C-31 CA&c.BD R.C 9 31 E

is voLTaas el 1: .euse esaw it l us. en men as imme l l g team Isoniana,acTunt ses ense an.s amasa l To 3

asas, esacTave l g

was sunsen s.vt.sest sescarretes D l tavi iswa ar.v.s t..v.s asee l Tas suseum I esets ass.ans l .. g n m.,m mC.em = ...n... m i.... -... a. m -... m .. m .m za.nz 2a.n Tennisms, sac ....a.. 29. a.n ..... m -... m m .. m oZn a.n mv. - m eme. ........ m...m.., n -..n a.m -... m -... n. P;o -,.n g.2-o.m n- ......n

n..

-... m -... n. g m. , = = i.e., .C ...n.. m c. ... m .m m ... m =.s .. u ... m

lf.

J5 ,= m mm ... m ... m mm t.,. t o.., ... m ... m n .a .. m. m: . -..., n n, wo2 m.. - m.. ...n.. ...s, .m. ....m. .o ..., n .. n,.. m,- S., ..m... w m ... m gg m ... m ... ~ m 4e (CouTTIIWW9 08 WRIT rase) I t* f m

SONOS 2 0 3 AUXIUARY SYST M VOLTAGE REGULATION E4C.000 REVISION 1 K:CN C+7 PAGEi3 8/~'.O MADE SY: N. S. GURJALA / DATE: 8/3/93 CHECKED BY:

8. B. PHAM.$ de DATE: M I

( I '-

I.s*':s i.

i.t:n s i. : I s-- -s s s ses s g

t t

-tt t -t t? .;i l ll! =. : :. :. : :

== -:-.. .~: - g deeddi di dei i i dei i i dei i i i .-ie f i 35 1 jii iii I ] at .sg IIN 3-l. .~ !!EEi! ~~! 5-1 lI i i i f.i iff i I:: I_- a: le g i. s 5 ss 3 i E:i II_s ( !" " =!"

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3. 3. *!

= _ =

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s. * *.

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s. s s s

gg l .i.I a l. 2 V IIN i!U i

g l.

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PROJECT BAfW s A#s. SYSTER t.R. WWIT - 3
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c ~ SONOS.2 & 3 AUXIUARY SYSTORM VOLTAGE REGULATION E4C-090 REVISION 1 ICCN C 7 PAGEAl of'O MADE BY: N. S. GURJALA Ndi DATE:.3233 CHECKED SY: S.B.PHAM 66# DATE: M l' h 3

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SONGS 2 & 3 AUXIUARY SYSTp M Vol.TAGE REGULATION E4C 090 REVISION 1 ICCN C.7 PAGE/*3 ST O MADE BY: N. S. GURJALA N iTE:.82EL CHECKED BY: S.B.PHAM 5,39 DATE: M f (. r- ,n 2. : :.. ~ ,!= = -ln s,, .e s.s s., s.e.s..,- ,,,=

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Y SONOS 2 & 3 AUXIUARY SYSTG[M VOLTAGE REGULATION E4C4eo REVISION 1 ICCN C-7 PAGE g 8flO ~ A4ADE SY: N. 8. GURJALA AlJf DATE: R/3/93 CHECKED BY: S.B.PHAM Edf DATE: M k

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CASS WWMBEa a 3ASc fth8E ST: IBARI oWRJAI.A
SATA BASE BAfW: 3ASC
PeeJECT anfs AWE. SYSTEft T.3. WWIT - 3 h4 ceas eT:

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== ... m i 397 0.2741 0.1431 C). Still e.2e14 e.eess C: 3TG11 0.1437 0.9401 0 30122 -0.6499 -0.3941 2 m 39122 IAAS CENTta IF95t M121 754 0.489 0.404 0.99999 -S.24 O Z =12 .... 9 .. a. iR O g,,,

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CASE -

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BATA SASE mafWt 3ASC
PeoJSCT BAfE : AWE..TsTER V.R. eWi? - 3
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, %g. 4 ~ j l< vet.TAes >l l< rossa etaw eI E i ese om esse ce 448 I i 3 g reesi teenanAL ACTE &L ses mass eAss Amst.E l To asu asArtres TAS 808W8R 30wtru m essCatrTses is l (avi isvi tP.v.3 (r.s.3 (sesI l TAs assesa l tpart IserAn 3 3 l ..g aanr$ nee 3 4 TSs Toen ame :AAS nra e. u. e.u? 2.nn4 1.eSn2 -3.n 3 4 -e. in 4 -.un m 3ehs7S ncC 3n4 754 TOTAL STAT C smAS PAR e.4ee e.4e7 1.e13e4 1.e13e4 -3.4s 3s4 -e.1291 ' -e.eSto O m C-30s SEUTOR CONTBot. Ctetta 3ee NCC 0.400 9.479 8.99738 -4.33 O 3essi?S e.11ee e.e?oe Z 3ess75 e.e224

e. seed Q

3803 -4.1404 --0.0744 3esR7S

Itcc 3ee 75% TUTAL NOTO IAAS RIN 9.489 S.479 9.99734 1.94474

-4.33 3ee -0.1109 -e.4700 0 3ee875 'secC 3ee 75% TOTAL STATIC 8448 PAE 9.484 8.479 9.99730 9.99730 -4.33 3e8 -0.9226 -e.8444 6 W 3ec Infee COWT904 CeWTER 39C 8tcC 0.000 0.487 1.01512 -3.03 8 390t?S 8.9428 8.9299 '03 3 39CS7S 0.0142 0.0334 3813 -t.9971 -0.8635 1E o -c n cc see m = = - i.A. .4 .4n1.nSu ..Sen -3.n 3.e -.. 4n -...n, 2 39Csn cc me m = = - Tte iAA. = . 4.. ....? 1.u S u 1.. u u -3. 3 See ..S u -... m v.5 1 3ee 9tteth essBRAtta Iset Itcc 4.480 0.475 9.99917 ~4.69 - gO m 3esesseet 9.0103 0.0137 2 sese .. 4a .. m. op n.4 -.. nu -.. n n 3seessess secC 399 EG. IACA taAS tt/o D.S. 8tts 0.489 9.47S 8.99917 1.03322 -4.49 3e9 - -0.0103 -0.0137 'W 3esseems suct 3ee 30. taCA 18481t/9 9.e. PAR 9.408 8.475 0.9H17 9.99017 -4.69 333 -0.0429 -4.9960 >O i Co.,em. C m. no. i.ec .. o. .. a... m n -4. n != 3eest?S 9.9893 ~ 0.813e em 3eess75 0.0223 9.413e 3e14tx -t.0416 -0.0268 o D i g _ e# ~

T

SONGS 2 & 3 AUXluARY SYSTOEM VOLTAGE REGULATION E4C490 REVISION 1 ICC N C.7 pan /3'jd(18 3 MADE SY: N.S.GURJALA aid / DATE:.&25,, CHECKED SY:

8. B. PHAM Gr DATE:.8/4/93.

I i ( =

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CASs Eugest

3A%:

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thTA SASS WafE 3&SC
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Ag C C. 54C-.,., 4 4 E le vos.Taas >l l< passa rimw a 4 I ses se men es taas { { l 0 0 reams lseenana, aCTens. mos anos anos aussa i to 3 esas. manCTs,s l e Tae sWesen earsseawr eseCarpTres as I tavi eav3 ir.v.3 ir.v.3 (ses l Tas essesa l tseri esstaa t m 3emsst?S leet 30ms 75. total seven ames stu . 4.. . 47,.. 64 1. 42 6 -4.31 3ess . 1,3 . 13. 3m sen ,,cc 3e.s m - - Tie . 4.. .. n,.. 4.. .o -4.n 3e.s -... m g nr - - - n: cc ..n,.. .,3 -4.u oE m.in .. n ...a x 301575 . 1141 .. 333 NI 4 O 3011 -. 2 44 . 977 2 gut 321N73 IIcC 388 75% TURAf.IEDTWE 1888 IEES .4 . 47,.. ,5 1. 423. -4.44 391 -.. 923 -.. M 4 4 0& 5 W O i -sg c, n ,,ee= m - e, mci .4 ..n,.. ,5.. .,S -4.44 m -.. u u -... m .ee .4 . 4n 1..un -4. 7 .3 3sJutt .. 1 M. 1 m ..an ...nv

5 3 ass 1 39 6 14S.

. 797 3$ [o 1 .ec., .4 . 4n 1. m. 4 m -4.., -, z 3eset stee 382 ogetT. ESCA ImhD PAR .4 . 4 2 1. 371 1. 371 -4. 7 3a3 -. 132. -.. 717 b5 na nne Ceerna. Caeren 3 a acC .. u. ..in e.n257 -4:n v sessun .. 34. .. 354 2 nn ... m ...iu op j mn -.. nu -...S n 3esus7S IIcc 3es 7St 19tas.lenes taas stre .4 . 4M..,92S7 1. 3572 -4.34 3es ..S4. -.. 3S4 1 3ess75 feet 30s 75. TUTAR. STATIC IAAS PAR .4 . 474..,92S7..,9237 -4.34 ses -.. 393 -.. 16. >D = O. Co Wi. Co.,s. mi. mec ..m.. nm -4... 3= n ...u. 3 mun ... m -. 8.m. 30 7 -. 1512 3 "T9 p A s e y

M ^ ? + ,3ES 369 : l eumJAEA. BSCAP. somes 3,C1 j stS S 3 mas. TAT! 1 31-JUL-1993 17:32 W$ Pete 23 Copyright 1900 Sechtel power Carperetles. All Righte Deserved. .i 88 - e D i B84S3 Tot.Taas asestATIces AmAR.Tsts (estaAss 1) paes: 19 z to taAS F1str ANALYSTS SSPORT SATE: 7-31-93 SYSTEst opsSATIns Most TOTAL COWWBCTES 5444 TIM: 17:02:02 S> i

CASE WWISES t 3ASc Img8 ST: East S W AIA l

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PROJRCT RAM 4

3 AWE. SY , u C-. STRIE V.S. WRIT - 3 f' WEB 973 u g i g CAIC.IBO 54C-996 31 m I E 14 TOLTA88 pl it 90013R Flaut >l I ses os most en smAs t l roost IsonsmAR. AcTens. ses aAss mass Assaa I to I asAs. asACTITs I >o e TAG WWUSER EWWIPIWWF SescatPTieR IB l (ev) (RT) (P.W.) (P.W.) (eBS) l TAG IIWISER ( { pes) (estar) l l .a==. -g 3.otn cc m ,W i.A. . 4.. .. m. 99 m.... -4.o .E. ..u. 95. = nt .E n ee ut. m - m ete i A. = . 4.. ..m..,9m. 99m -4.a 3 -.. 7u -...u i g .E., - C T 3- ,tec .. u. .. m. 99 5 -S.33 gE 39tAst?S 8.9391 9.9242 g i 3882S7S 9.9165 S.0941 Q 3e12 ~4.9556 -. 9204 g 3etasthS IUCC 3e82 7S4' TOTAI. Barrea smAs Nt3 0.400 9.477 9.99445 1.93794 -S.33 3962 4.0391 -0.9242 D 3es.as7S ncC 3sta 7S% TerAL STATIC Imas Pha 8.48e e.477 8.9944S 4.99445 -S.33 3etz -0.eESS -4.0041 3est 8WTUR CONT 9eb CENTea 3mt nce 0.400 e.479 e.9977S. -4.29 ,23 t Sepet?S 0.0343 0.0248 y e 8.0097 3 eses 7S -..tets ig wit .1 m -..ua l5 I,S ,,cc 3. m A. u. .. m..,9 m 1.. n o -4.,9 I -.. 3. -... m 30ses?S lect 398 7St TUTAL STATIC IAAS PAR S.400 9.479 8.9977S 4.99775 -4.29 3est 4.1448 -0.9497 [AeM 3ega surren CONTROL CENTER 355 sect 4.444 9.491 1.02294 -2.87 ' NO 3eseld75 4.0304 8.92M I 3= =s75 ..m5

e. m 1 OO 3813

-4.eS45 -4.8277 a4 3esEst75 sect 38s5 79% total lestem 1849 sets 8.484 8.491 1.02294 1.96744 -2.87 3eset -e.0304 -e.9236 kI 3esqEs75 nCC 3e55 7S% TUTAL STATIC 14AS PAR 8.489 9.491 1.02296 1.92294 -2.07 3ess -4.0165 -4.0041 & M 33e8 septos COEFF90L CtWTtt 385 flec S.489 0.471 9.90178 -S.68 g i 398587S 0.1768 0.1142 3eeS75 0.2314 0.9826 3 set -e.4282 -0.1968 9 e'* m

...-----..--. ------.------A ---.----- ---

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E8 _a c 300:ies., m.oscA,.e - 3_cii m u m.eA,a R u_ t 19u n302 24 i.g 1, 1,900 e e. 1, . 1. A,1 e19 1. e.... e 3:553 voLTAes heestATION AstALYSIS testsAss 13 Pass: 2e 98 IAAS FIAlf AeALYSIS RsPORT mats 7-31-93 g so ETSTen orsaATINS seDes: TOTAL COMsCTem 1AAS ?!ns: 17:02 o2 e, p \\- g a c l . casa meness : 3ASe nAss ST: mass consAsa mATA mass mans: 3ASc g

PeeJsCT mAMe : A#s. SYSTRIE V R. ett? - 3

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............................t cage,,,, e,c.,,,, Eg ? (.m le vot.Tess >1 1< pouss rimw ->l E I ese se man as Imas I i reset loansmAL AcTwAL eve mass mass amets I to I asAL esAcTavs l TAs senssa seessemer esocmartres se I tava tava tr.s.: tr.w.) tesen t TAs menssa i tsers eneAss l O> ..g 3ent?S sect 3est 75% total BeWTet teas NEW e.4ee 0.471 e.9e17e 3.02447 -S.68 3es -e.176e -e.1142 m 5 3 3eme73 Ncc 3est 750 TUTAL STATIC 1848 FAR 8.400 9.471 e.9817e 9.90170 -S.60 385 -0.2514 -e.0e26 O nt 3een seoToa coerrect comesa 3eeA secc e.400 e.4ee 1.0e956 -4.34 C .O 3 - 10. ...a e..e i g 3eeAette 4.0005 0.0453 i 9 3see -0.8215 -e.9133 Z g #95 l 3saast190 secc 3 sea 30erv. EscA smas sets 4.400 e.400 1.90056 1.044e7 -4.36 3eeA -0.013e -0.0001 0& l i 3eehe m ,,cc 3eeA e As 8.404 8.400 1.eee-1.e00. -4. - 3 A -4..e, -e... - -5g EN O Jens leoToe coerrect caerrsa 3eme ' sect e.400 e.443 1.e0644 ~4.02 Se 3 1 Demeestee e.013e 9.e001 S 3emeStoe

e. sees e.eeS3 3006

-e.0215 -0.e133 1E 3eme,,t ee ,sce 3see e T. i.cA i.as . -. 4.. . 4n i.

i. 4ne

-4.n me ..ne 1 1 gZo l 3 eses 1. - Iscc 3ees egetT. SoCA taas Paa e.40s e.403 1.e6444 1.e0604 -4.e2 s. -0.0005 -0.8953 A 30ec e - - 3eec stee 0.400 9.40s 1. m 79 -i.47 M 3emot?S 0.1120 0.0574 Z 3 secs 75 0.9949 0.0345 gO .10 -0.20 9 -e. -10 p 3emot?S sect 3eet 75% TOTAL McTet Emes fifW e.400 9.400 1.01479 1.068 e4 -3.47 30ec ' -0.1120 -0.8574 3 secs 75 sect 30ec 7S% 1UTAL STATIC IAAS Paa e.480 9.400 1.01679 1.01679 -3.47 30ec -0.6949 -0.0345 k >1 g 3ev peoTom coeffect ceWTER 399 secc e.400 8.47S e.90911 -S.69 h l j i 3evet?S e.1434 e.eest 3evs75 e.1se, e.eSe9 N jo12 .-e.2723 -e.1398 O ~

~-

s k \\- a - 43

m SONOS 2 & 3 AUXiuARY SYSTOES VOL.TAGE REGULATION E4C 090 REVISION 1 KllCN C.7 PAGE uf * / ' N IAADE SY:. N. 8. GURJALA N4 DATE: M CHECKED BY: _- 8. B. PHAM sh9 DATE: a/4133 1 k .~ 3.:, ; : g:5..

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it ,o ,1 _, i t oss os son es sono I 3 roosa Isontmas actual see mass eass amesa 3 to asat sanCTITs 3 0$ Tae===== sestPseWF eBSCRirftes Is l (RT) (ET) (P.W.3 (P.W.I (see) l Ta8 558353 l teerl (sernal - l y seenlee ace 3es meetv. IAca amma uts e.4ee e.4e2 1.eeses 1.e47Se -4.to 3es -e.1392 -e.ses2 m' 2 sesslee ace ses eget?. ImCa sAAS PaK e.400 e.482 1.ee3e4 1.ee3e6 -4.10 30s -e.1634 -0.e64e Qm C 3s202 Cyneet sTasCT STusef CRTIAsa sets 4.16e 4.294 1.e3232 1.e3232 -2.23 3aes -4. 7e84 -0.33S9 oh 3:394 CW9sme sommat coottas rase sets e.4ee e.est 1.else2 1.e422e -2.3e 3:3942 -e.e497 -e.e321 m ;g I-O um, um mni.u. .se .44 e.4 9 i..i m -2. a O iiiz l um

e. 497

... m O,,, Wg ( 3082 -0.0497 -e.0321 38394 Cun WT scenah Coottne Fa5 st!E e.4ee e.4e2 1.e0SO4 1.e4074 -2.61 38394E -0.e497 -0.e321 353943 38394 TEEfttanL SLC e.4ee e.402 1.eeSet -2.81 . _a 3 fB 3E396 8.e497 0.0321 8 5 3ees -e.e497 -0.0321 1 # 33397 o i l CWrpWT segnaL Coottas Fas sttB e.400 e.483 1.e8725 1.05104 -3.21 3E397X -0.0497 -e.e321 2 l 38397E 38397 TSamtsah 31c e.4ee 0.483 1.ee725 -3.21 .a p-38397 e.0497 e.8321 g,$ 3801 -e.e497 -e.8321 M z 3s398 CNTsWT seesmL Coottas ras nts e.4e4 e.483 1.00597 1.e4971 -2.82 3 39er -e.e497 -e.1321 O9 333983 3839e Teostrank SLC e.4ee 0.4e3 1.00597 -2.52 =4 38390' 0.e497 0.e321 380s -0.e49 7 -0.e321 gg 3L111 esAT TsanTesser Passt paa 8.484 e.461 4.96410 e.94e10 -4.24 3812 -e.2ee ? -e. 8 79 3 iig O a> m 370e7 PREIsare St.RT WWIT 3 Twee esa mts e.400 0.477 e.993S9 1.83679 -3.94 3 Pee 7E -4.e421 -e.83S2 w N s s v y

m A m ,;,9Es 300 : [ eWa3 ARA. 9sCAP. seess 3,(11 ] ssG S 3 ass. stT g 1 31-JWL-1993 HsC2 Pete 27 Copyright 1998 tochtel Power Corporettee. All Rights Seeerved. he 'assS3 90LThes asses,Attes annLYsts (astAAss il paes: 23 i taas ramw AanLTsrs espost ents: 1-n-93 .Z ** STsTER orsaATIIBS NDOst TUTAL ComsCTs31m48 TISIs t 17:42:02 gg ahh

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.. n9 1.. m o.. m 9 -2.o -4 -.. m 2 -4. n 39 w 3P113 SALT tWres CeOLIBS PWIW surtem st!W 4.164 4.293 1.931M 1.93190 -2.22 3ASE -0.3312 -0.2139 c,. 377S2 ERW COWWWCTIT"TT MffR.IW FfW sets 4.404 9.405 1.01129 1.95326 -3.30 3P7S22 -0.0445 -4.018S f t,R 1 o,5= .m T t t. SLC .. m 1.. m. -3. x 3,m ... m 3 1. -.. 4 5 -..ei S {p o am t Co cmm ru sne ene r!. .. m ..u S 1. = = 1..S m -3.n am -... m -.. 2x 3r734x 39754 T3Restant SLC 9.489 9.485 1.99999 -3.24 y 3P7S4 0.0486 0.0274 y . 3ets -e.see6 -e.e276 g m 3ge86 RAme AWR Stae DIST PAlust PAR

4. gee 0.463 9.964S1 0.96451

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SONGS 2 & 3 AUXIUARY SYSTGEM VOI.TAGE MEGUI.ATION E4Cw90 REVISION 1 K:CN C 7 PAGE U6 # " D MADE BY: _ N. S. GURJALA A'fr DATE:J2E3 CHECKED BY: S. B. PHAM G/ DATE: M I-h =--- p-3

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4.m 1..an -2.n b 'C444 (AsC2 e.2 m e m .1aS o C4n .. nu .uGS Z 3h47 -0.5554 -0.2539 m 310 of,9T SertTCBOSAE Bit StJ: 8.400 0.474 8.99401 -4.41 6 W 30 0.3184 0.016e d 69 9.3205 9.1664 C941 0.1631 0.8946 g) 3 5643 0.3024 8.9934 c s m a64S e.ent e.ee.S etSer e.un e.eut i2 ste(ster-si -1.2347 -0.3217 I>O 31e(310E-3) DEUWIT Sus B19(310E-8) Std: 8.w.e 9.470 9.99601 -4.41 Z ( B10 1.2367 4.3217 O sten-. -1.2n? -e. 32 n p5 310E-3 taAD CRWTER IF9E t*dSE-B TIA: 0.444 0.478 9.99602 -4.61 g Z i 4.16e 4.296 1.03274, 91e(s193-8) 1.2 M7 8.3217 OO 3A48 -1.2522 -0.4300 y, 4 Be(3815) PIOToR COEFT908. CitNTER 3e(381$) stCC 9.400 9.467 8.97278 -0.35 g n ...,n y>, .SGS75 4.4563 9.9999 a 3.n ... u g p$ n ,,Ce m,o m - i,A. . 46. ..u?. 9nn i..iSu -..n -o.i Si -... n h j 3 h.

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CALCULATION SHEET i ,m m o,:n CCN CONVERSION . Project or DCP/MMP SONGS 2 - Calc No. E4W CCN No. CCN - i ( Jul$oct AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No.

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NES&t. DEPARTMENT CALCULATION SHEET (~~} ICCN NOJ mun ccN =, ..comosa CCN CONVERSION +oject or DCP/MMP SONGS 2 AND 3 Calc No. E4C-090 cCN N. CCN - \\ dubject AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. [N RfV SRIGlEATOR SATE IRE DATE REV RRICINATOR, DATE IRE BATE M SCmRh$lk Bl3!91 A R Pph %))L5 o

s. c. RAsu J. tw i

J. r. rnd ;447 s.e. umamuM Wf3 DECMI CASE BUS POWER U STUDY SUPPLY OPERATING CONDITION 3A5b SAME AS A5 EXCEPT: 3XU1 HIGH SIDE TAP IS LOWERED 1 STEP TO RAISE t SECONDARY VOLTAGE 2M; MARGIN ON ESF MCCs FOR FUTURE. LOAD GROWTH IS REDUCED; AND EXCESS CONSERVATISH ON ESF MCC LOADS IS ELIMINATED 3A6a 3A04 3XRI-X MAXIMUM ACCIDENT LOADS 3A06 3XR2-X 3A6b SAME AS A6a EXCEPT 3XR1 AND 3XR2 HIGH SIDE TAPS ARE RAISED 1 STEP TO LOWER SECONDARY VOLTAGE 2 M 3A7a 3A04 3XR1-X SPURIOUS ACCIDENT SIGNAL MAX LOADS ') 3A06 3XR2-X I 2A04 3A04 MAXIMUM ACCIDENT LOADS 2A06 3A06 3A7b SAME AS 3A7a EXCEPT 3XR1 AND 3XR2 HIGH SIDE TAPS ARE RAISED 1 STEP TO LOWER SECONDARY VOLTAGE 2 M 3A7c' SAME AS 3A7a EXCEPT MARGIN ON ESF MCCs FOR FUTURE LOAD GROWTH IS REDUCED, AND EXCESS CONSERVATISM ON ESF MCC LOADS IS ELIMINATED 3A8 3A04 3XR1-X-MODE 1 MAXIMUM LOADS WITH CONCURRENT START OF THE LARGEST NON-ESF LOAD, CONDENSATE PUMP 3A03 3XR1-Y

3P050, 3A08 3A9 3A06 3XR2-X MODE 1 MAXIMUM LOADS WITH CONCURRENT START OF THE LARGEST NON-ESF LOAD', CONDENSATE PUMP 3A07 3XR2-Y 3P052.

3A09 3A10 3A03 3XU1-X MODE 1 MAXIMUM LOADS WITH CONCURRENT START 3A08 0F THE LARGEST NON-ESF LOAD, ON 3XU1-X (CONDENSATE PUMP 3P050), AND 3XU1-Y 3XU1-Y (CONDENSATEPUMP3P052). ) j 3A01 3XU2-X 3A02 3XU2-Y

NES&L DEPARTMENT ' CALCULATION SHEET ~Eb =. " wozwu3 = am. Project or DCP/MMP SONGS 2 Calc No. E40-090 R1 m m.CCN-Subject AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. s arv earsruton, ute tar mir arv earsrutom uit tar mir i

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s 8 PHS M %? f(Ith<r A 3A5e 3A03 3XUI-X 3A03: NORMAL MODE 5-6 LOADS 3A06 3A06: NORMAL MODE 5-6 LOADS 3A08 3A08: NORMAL MODE 5-6 LOADS .I 2A06 3A06 2A06: MAXIMUM CONTINUOUS MODE 1-4 LOADS l 3A04 3XVI-Y 3A04: NORMAL MODE 5-6 LOADS ' 3A07 3A07: NORMAL MODE 5-6 LOADS' 3A09 3A09: NORMAL MODE 5-6 LOADS 2A04 3A04 2A04: MAXIMUM CONTINUOUS MODE' l-4 LOADS \\ { \\w '? A s "-{f. ' ~ AFTER W .{ t 141

~~~ - ~- 4 NESSL DEPARTMENT secN NO./ ( a ~7 CALCULATION SHEET -euu cca~o. =ce a%e CCN CONVER$10N Project or DCP/MMP SONGS 2 AND 3 _ Calc No. E40-090 cCN NO. CCN - Subject AUXfUARY SYSTEM VOLTAGE REGUI.ATION Sheet No._ m S may emomates satt set satt arv emamaftt _ Saft at DATE ~ 9.s.G M ch/f) e5 Wi f/nN;] o

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@ 25 s.c. ruanamoM WD l i CASE POWER STUDY BUS SUPPLY OPERATING CONDITION A8 2A04 2XR1-X MODE 1 MAXIMUM LOADS WITH CONCURRENT START OF THE LARGEST NON-ESF LOAD, CONDENSATE PUMP 1 2A03 2XR1-Y 2P050. 2A08 A9 2A06 2XR2-X MODE 1 MAXIMUM LOADS WITH CONCURRENT START 1 0F THE LARGEST NON-ESF LOAD, CONDENSATE PUMP 2A07 2XR2-Y 2P052. 2A09 A10 2A03 2XU1-X MODE 1 MAXIMUM LOADS WITH CONCURRENT START 2A08 0F THE LARGEST NON-ESF LOAD, ON 2XU1-X CONDENSATE PUMP 2P050,.AND 2XU1-Y 2A07 2XU1-Y CONDENSATE PUMP 2P052. 2A09 2A01 2XU2-Y j 2A02 2XU2-X All 2A01 2XR3-X RCP 2P004 ON 2A01 IS STARTED 2A02 2XR3-Y Table 2.1.2: Maximum Voltage case Studies CASE POWER. STUDY BUS SUPPLY OPERATING CONDITION 81 2A01 2XU2-Y 2P001 RUNNING COLD LOOP l B2 2A01 2XU2-Y 2P001, 2P004 RUNNING HOT LOOP B3 2A01 2XR3-X 2P001 RUNNING COLD LOOP B4 2A03 2XU1-X MODES 5-6 MINIMUM LOADS 84b SAME AS B4 EXCEPT 2XU1 HIGH SIDE TAP LOWERED 1 STEP TO RAISE SECONDARY VOLTAGE 2 R ) I B5 2A03 2XU1-X MODES 1-4 MINIMUM LOADS B6 2A08 2XU1-X MODES 5-6 MINIMUM LOADS l, e i

NE2&L DEPARTMENT m g, c,,7 j CALCULATION SHEET m uu CCN =. m a m iss CCN CONVEMON Project or DCP/MMP SONGS 2 Calc No. E40-090 R1 CCN NO. CCN - k,ubject AUXIUARY SWTEM VOLTAGE REGULATION Sheet No. Arv GRIStaATOR, MTE IRE MTE Rtv GRIGINATOR MTE IRE Mit a.s.sunEd QlsI13.s. a P+A MMig/M f N CASE BUS POWER LOAD CONDITION k /y NO. SUPPLY \\ I A14 2A03 2XR1-Y 2A03: MODES 1-4 MAXIMUM LOADS (,\\ 2A08 2A08: MODES 1-4 MAXIMUM LOADS g 2A04 2XRI-X 2A04: MAXIMUM POST ACCIDENT / LOADS 1 2A07 2XR2-Y 2A07: MODES 1-4 MAXIMUM LOADS l \\ 2A09 2A09: MODES 1-4 MAXIMUM LOADS j 2A06 2XR2-X 2A06: MAXIMUM POST ACCIDENT ,./ LOADS i ( ( s AbD AFTER O h i i + ,d

__= NE&L DEPARTMENT CCN W (* ] CALCULATION SHEET muu cca =.

m. cows.s CCN CONVERSloN CCN No. CCN.

roject or DCP/MMP SONGS 2 AND 3 Calc No. E4C 090 l-Subject AUXTUARY SYSTEM VOLTAGE REGUt.ATION Sheet No. I erv emamaTen SATE mE sate ter emenATSB BATE IRE SATE wsGua#[d 9[3/93 s G Pd$$ Wh/<f3 l 0

e. r. sasu J. rim J.F.rivama M Mdf M NU l

s.c. ruamanitAa 1 2.1.2 Unit 2 Conclusions sb wa a 2.1.2.1 Minimum Voltage Case Studies 2.1.2.1.1 Assessment of Results CASES Al and A2 These cases are run with Y windings of the Reserve Auxiliary Transformers 2XR1 and 2XR2 supplying maximum Modes 1 thru 4 loads on the Non-ESF buses and the X windings supplying the ESF buses of both units. The Unit 3 ESF busses are f.fd from the Unit 2 m5F buses via the cross-tie and are supplying maximum post-accident loads, while the Unit 2 ESF busses are supplying spurious accident signal loads on Unit 2. Results of these cases for ESF busses show that All FSF motor terminal voltages are above 90% of rated e voltage and all ESF MCC bus voltages are above 93% of 460V. The calculated loads on the X and Y windings of the Reserve = Auxiliary Transformers 2XR1 and 2XR2 are within their adjusted ratings. Load Center Transformers 2B04X and 2B06X loadings are within = their adjusted ratings Load Center Transformers 3B04X and 3B06X loadings EXCEED a their adjusted ratings. All bus loadings are within rated limits. = Cases Al and A2 include significant amount of margin for future load growth and other conservative loading assumptions on all ESF busses. In this respect, these cases are similar to Case A7a. Reduction of excess conservatism in Case A7a is further investigated in case A7c. When Case A7a is modified to eliminate excess conservatism and future load growth ~ margin is removed fron selected MCCs (as in case A7c), the loadcenter transformer loads fall within their adjusted ratings. Because of the similarity between Cases Al and A2, and Case A7a, further investigation of Cases Al and A2 in not pursued. The results of Case A7c are I applicable to ESF portion of Cases Al and A2 as well. Some non-ESF motor terminal voltages in Case A1 (2P136) and Case A2 (P131,2A353,2P129,2E404A,2E4048,2P126,andP132)didnotmeetthe

NES&L DEPARTMENT ocN Not Cf CALCULATION SHEET - ecN No. nurses cCN cONWWON Project or DCP/MMP SONGS 2 Calc No. E4C-090 R1 ccN No. CCN. ( t iubject AUXILIARY SYSTEM VOLTAGE REGULATION Sheet No. arv enraturen mir zar mir arvI earsru ten mir tar mir .. s. con &T elshs.1 a ok ad# titrI95 2.1.2.1.1 Assessment of Results CASES Al AND A2 ~., / ~~ p f -m CASE A14 is the new minimum voltage bounding case for ESF loads, for discussion see CASE A14. (.ases Al through All are retained for historical ir. formation. e ./ ^ ,/ ^ AFTER i t 13%

NE&L DEPARTMENT CALCULATION SHEET %*i OCN NE' m, ts o,, o CCN CONVERSION %)ect or DCP/MMP SONGS 2 AND 3 calc No. E4C-090 CCN No. CCN - ) i subject AUXIUARY SYSTEM VOLTAGE REGULATION Shoot No. I~ REV em02ATet DATE mE BATE REV entWATSA tait Igg SATE u IdbnM th /f.7 r. 2 984 $fa o

s. r. sasu J. rim i

J. r. rnand/4.- s/3/fy .e. raamuscan *M I 'd Case A4c was evaluated to assure no overvoltage condition occurred due (

g to tap change from -2%% to -5% and the proposed maximum switchyard voltage of 232kV.

The motor terminal voltage at 2E394 of 111% is !) calculated at switchyard voltage of 232kV. During nomal switchyard y voltage of 230kV, the terminal voltage at 2E394 will be within 110% of .a rated voltage. The marginal overvoltage above will last for short ' Ind durations. Therefore this condition is acceptable. Case A5 These Cases are run with both the Unit 2 ESF and non-ESF buses powered from 2XU1 in Modes 5-6, restricted loads on non-ESF buses 2A03 and 2A07, and spurious accident signal loads on the Unit 2 ESF buses. The Unit 3 ESF buses are fed from the Unit 2 ESF buses via the, cross tie, and are ) supplying maximum post accident loads. ) ) Three different options were run for this Case. In the baseline run (case A5), the system is aligned such that there are maximum loads on i the ESF buses and restricted loads on the non-ESF buses. This case includes conservative loading assumptions and margins for future load growth on the ESF buses. In Case A5a the bus loading of Case A5 was retained and ESF MCC loading was reduced by removing all excess i conservatism and load growth margin to reflect curren't as built plant configuration. In Case A5b the bus loading of Ca:se A5 was retained except that excess conservatism and load growth margins were selectively removed, and a proposed tap setting from -2n% to -5% was imposed on Unit Auxiliary Transfonter 2XU1. Case A5 represents extreme past and present plant operating conditions. Case A5a represents realistic past and. present plant operating conditions. Case A5b represents the realistic plant operating conditions following a proposed tap change. Case A5b j contains margin on selected MCCs for future load growth. Some ESF motor teminal voltages did not meet the 90% minimum voltage criteria in both Cases A5 (3P191, 3A071, 3E399, 3E401 3A074,3A072,3E400,3E402,3P191,3P192,E419,3A073l3P190,E418,andA5a(3A07 .E418,3A074,3A073). This criteria was met by all the motor teminal in Case A5b. Some ESF MCC bus voltages did not meet the 93% criteria in both Cases A5 (MCCs 280, 2BE, 2 BRA 2BY, 2BH, 2BJ, 28Z, 3BD, 3BE, 3 BRA, 38Y, BQ, 3BH, 3BJ, 3BRB, 38Z, 85) and A5a (MCCs 380, 3BE, 3 BRA, 38Y, BQ, ) 3BH, 3BJ, 3BRB, 38Z, BS), but all ESF MCC bus voltages met the criteria e in Case A5b. All non-ESF motor teminal voltages and MCC bus voltages met their criteria in Cases A5, A5a, and A5b. e

N NES&L DEPARTMENT CCN NOJ C-} CALCULATION SHEET ,me m 15.2 .CCN =. CCN CONVERSION Project or DCP/MMP SONGS 2 Calc No. E4C-090 R1 CCN m. CCN - J ( ubject AUXIUARY SYSTEM VOL.TAGE REGULATION Sheet No. Rtv talsta4TM Mit Itt MTE Rtv et!6!aATOR Mit Itt Mit

a. s. svuaSi 953.U s - g, PudM f////vs

[C RE Vl Z E [ CASE AS. A5a. A5b %... ~ s f - ',,.,.....-. ..,,,\\ NOTE: CASE A14 is the new minimum voltage bounding case for ESF \\ 1oads. t ... --. /~ C -* x _, i m AFTER-l i aee e.w s e e n. ~

NE&L DEPARTMENT ,egy g3,, g,7 CALCULATION SHEET ar= cc~ ~>- ~co w ls2 CCN CONVER$10N 'roject or DCP/MMP SONGS 2 AND 3 Calc No. E4C-090 cCN No. CCN - Subject AUXTUARY SYSTEM VOLTAGE REGULATION ShootNo. Rtf Om8mATOR SAft at BAft StV OmemATOR BAff fat gaig N.&utTO 8l3/43 s a p n$$(' 6'jp$z o

a. v. snsu J. tsu

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Failure of safety related motors and MCC bus voltages to meet the W Acceptance Criteria in Case A5a is documented in NCR 9302. cost +. b Detailed justification for this condition is found in the NCR. Implementation of the tap change to the Unit Auxiliary Transfonner 2XU1, Q identified in Case A5b, resolves this issue and is required as part of the NCR disposition. l L.l In Case AS, safety related transfonner 3B04X loading exceeded its adjusted rating. m their adjusted ratings in Cases A5a and A5b.All safety related transformers loading The non-safety related transformer 2XU2 loadings exceeded the transformer adjusted rating in Cases AS, A5a and A5b. All non-ESF loadcenter transformer loading met their adjusted ratings. The non-safety related transformer 2XU2 loading is, acceptable when the 4 load is limited to one RCP per bus for buses 2A01 and 2A02 in this i alignment. Plant procedures currently allow two RCPs to operate on the I same bus. This could result in an overload of transformer 2XU2 during Modes 5-6 when the RCPs are operating in the " cold loop" condition. All safety related buses met the load criteria in Cases A5a and A5b. The loading on lighting transformers LO1X and LO2X is acceptable for the reason discussed in the Conclusions for Case A4. Case A6 'These Cases are run with maximum accident loads on the Unit 2 ESF buses. The Unit 2 ESF buses are powered from Reserve Auxiliary Transformers 2XR1 and 2XR2. Two different options were run for this Case. In the baseline run (Case A6a), the system is aligned such that there are maximum loads placed on the ESF buses (only the ESF buses were analyzed in this Case). The ESF buses include conservative loading assumptions and a margin for future load growth. In Case A6b, the bus loading of Case A6a was retained and a proposed tap setting from -2%% to 0.0% was imposed on the Reserve j Auxiliary Transformers 2XR1 and 2XR2. Case A6a represents the extreme past and present plant operating condition. Case A6b represents the extreme present plant operation with the proposed tap changes. i 6 e L

"MW'Q" .ceN NOs c-, \\ CALCULATION SHEET mia.CCN =. noersi yrs 7 CCN CONVERSON j Project or DCP/MMP SONGS 2 Calc No. E4C-090 R1 CCN NO. CCN - Aubject AUXtuARY SYSTEM VOLTAGE REGULATION Sheet No. REY 8ttstaATOR Mit Ist MTE try ge181NATOR MTt Int gyg a.s.suoAf+l 9/3/t3.s y. p upW' f////03 j CASE AE, y " M.. *.. -4 } NOTE: CASE A14 is the new minimum voltage bounding case for ESF loads. , / m __ _ m.- f '. l* AFTER. ( i ( ap

1 NE&L D9AllTMENT ,ggy,3, g,7 CALCULATION SHEET muu ccN =. ~oo w s CCN CONVERSION ccN N.CCN- ) .oject or DCP/MMP SONGS 2 AND 3 Calc No. E4C-090 dubject 'AUXIUARY SYSTEM VOLTAGE REGULATION __ Sheet No. 10 Oaft] sty essmaTon sait me sait may emanarna SATE mt M f.GwaTaN 9 /J /h@.fka,k & f////yj e

s. r. sasu J. rim J.F. rima # NJ s.c. rumen" WD l

i Results of Case A6a show that for the ESF buses: LLJ All ESF bus loading are within their normal current ratings, All ESF motor tenninal voltages are above the 90% minimum e C voltage criteria. All ESF MCC bus voltages are above the g 93% minimum voltage criteria. d The calculated loads on the X winding of the Reserve a 1 g Auxiliary Transformers 2XR1 and 2XR2 are within their adjusted ratings. Loadcenter transfonners 2B04X and 2B06X loadings EXCEED = their adjusted ratings. Case A6a includes significant amount of margin for future load growth and conservative loading assumptions on all ESF buses. Case A6a loads on loadcenter transformers 2B04X and 2B06X are accident loads which are similar in loading to the Unit 3 loadcenter transfonners 3804X and 3806X loading in Case A7a. Both Cases are run with identical margins and conservative load assumptions. Case A7a, in which power is supplied to 3304X and 3806X from the opposite unit, bounds Case A6a in which power in supplied to 2B04X and 2B06X from the same Unit. Any adjustments made j to Case A7a loads (such as in Case A7c) to reflect realistic loads and margins on selected buses would still bound Case A6a if the same changes i were made to Case A6a loads. Therefore, further evaluation of Case A6a is not performed. Refer to the discussion on Case A7c below for the i acceptability of the loading on transfonners 2804X and 2006X. Note: In Case A6b, bus loading in Case A6a was retained and proposed tap setting change from -2.5% to 0.0% was imposed on Reserve Auxiliary Transformer 2XR1 and 2XR2 to lower the ESF bus voltage to reduce the short circuit current on.ESF buses (Reference calculation E4C-092). However, since the tap change is no longer needed to reduce fault current per calculation E4C-092 Revision 1, this Case'is not further discussed or analyzed. Case A7 ) These Cases are run with minimum switchyard voltage of 218kV fed through the Reserve Auxiliary Transformers powering the Unit 2 ESF buses with spurious accident signal loads and cross-tied to Unit 3 ESF buses with - maximum accident loads. .s5

o NES&L DEPARTMENT CALCULATION SHEET msEb87 m

w c CCN COWERSON Project or DCP/MMP SONGS 2 Calc No.

E4C-090 R1 ccN NO. CCN - k dubject AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. ~ arv ursrutoa mit sat mit arv estermion mit at att

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) Case A7 gr ^s/ TE: CASE A14 is the new minimum voltage bounding case for ESF loads. / ~ ~ 'i i n y~~.-, Abb AFTER ~ ( J c

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'T NE&L DEPARTMENT ICCN N3J [.7 CALCULATION SHEET ata. ce" ~o- ~cri A l ft CCN CoNVER$loN CCN No. CCN. , 'roject or DCP/MMP SONGS 2 AND 3 Calc No. E4C-090 j ) iubject AUXtUARY SYSTEM VOLTAGE REGULATION Sheet No. f,i ~ RfV ORIOmAfot DATE IRE DATE REY ORIGINATOR DATE IRE DATE n.f. QuayEk 0/3 11 s R pd f////63 / o

s. r. sAsu J. r:M O

b 1 J. F. rfvAMA M J 5.C. EMAMAMrAR l All non-ESF momentary MCC bus voltages meet the 78% minimum = i bus voltage criteria. { The minimum starting voltage for non-ESF motor 2P050 (Case e A8) and 2P052 (Case A9) meet the 80% minimum starting voltage criteria. Note: Refer to calculation E4C-082 for evaluation of ESF equipment during ESF load sequencing. Case A10 In Case t.10 the non-safety related buses were aligned with maximum Mode 1 Ioads with the largest non-safety related load started on buses 2A03 and 2A07. All non-ESF momentary motor terminal vol'tages meet the 75% ) ( = minimum voltage criteria. All non-ESF momentary MCC bus voltages meet the 78% minimum s bus voltage criteria. The minimum starting voltage for non-ESF motor 2P050 and m 2P052 meet the 80% minimum starting voltage criteria. Case All In Case All, non-safety buses 2A01 and 2A02 were aligned with maximum Mode 1 loads with the largest non-safety related load started on bus 2A01) All non-safety related momentary motor terminal voltages = meet the 75% minimum voltage criteria. The minimum starting voltage for the non-safety related = motor 2P004 meets the 80% minimum voltage criteria. BEF E ,i .e k NM kM $ M O

NES&L DEPARTMENT CALCULATION SHEET

- " " N

..w uo, as cCN CoNVERSloN ccN N. CCN - Prefoot or DCP/MMP SONGS 2 Calc No.. E4C-090 ( Jubject ) AUXILIARY SYSTEM VOLTAGE REGULATION Sheet No. new essmates este se save arv omsmates ears me aan

u. s. anAO + /olm s.o.nuP %l&T AFTER r8.

-- ~ CASE A14 /._. .. - ~ ~ '-s,, f In Case A14, the Y windings of Reserve Auxiliary Transformers 2XR1 and ' [ 2XR2supplymaximumModes1through4loadsontheUnit2Non-ESFbuses(, ) and the X windings supply maximum post-accident loads on the Unit 2 ESF l A, buses. l Results of this case for ESF buses show that: / All ESF motor teminal voltages are above 90% of rated e voltage and all ESF MCC bus voltages are above 93% of 460V. / e The calculated loads on the X and Y windings of the Reserve Auxiliary Transformers 2XR1 and 2XR2 ar.e within their i ( adjusted ratings. j j a Loadcenter Transfomers 2B04X and 2B06X loadings are within ] their adjusted ratings. s All bus loadings are within their rated limits. Based on the results of Case A14, the proposed minimum allowable voltage of ~ 4160V for buses 2A04 and 2A06 is acceptable. In Case A14, voltages on buses 2A04 and 2A06 were 4165V and 4166V respectively. (Table A14-4) These bus l voltages resulted in voltages at all 4160V ESF motors, 460V ESF motors, and ) l i 480V ESF MCCs that.are significantly above their minimum voltage limits (see i tablesA14-1andA14-2). A voltage of 4160V at buses 2A04 and 2A06, will also i result in acceptable voltages at the 4160V ESF motors, the 460V ESF motors, / and the 480V ESF MCCs. l / Case A14 demonstrates that the performance of the Unit 2 auxiliary power [ system is acceptable under worst case accident load conditions and minimum i switchyard voltage,'when powered from the Unit 2 reserve auxiliary sN transfomers. All ESF buses, transfomers, and motors operated within their , respective limits. Non-ESF motor terminal voltage, transformer loading, and bus loading are / addressed in the base calculations and are not evaluated here. ~ / 'A ~ l 49 ~,. _ mm-- r-v--i-T -,+---------+.,__r.-2,,._ ,,m m.

NE&L DEPARTMENT CALCULATION SHEET 1"uSCN NE ~ 7 no%,m CCN CoNVER$10N ( roject or DCP/MMP SONGS 2 AND 3 Calc No. E4C-090 CCN No. CCN - j Sut$ect AUXIUARY SYSTEM VOLTAGE REGUI.ATION Sheet No._ 2 2 d REV 930134705 - SATE mE BATE Nr egenATSI SATE let BATE u s.condbl e/4h2 r. A. Pud ( f/#45 ,J

0. c. sasu J. rrn J. r. rivana #

pMW h WO ~ ' ' i s.c. raamancas l Failure of safety related motors and MCC bus voltages to meet the Acceptance Criteria in Case 3A5a is documented in NCR 93o20o 53. Detailed justification for this condition is found in the NCR. Implementation of the tap change to' the Unit Auxiliary Transformer 3XU1, identified in Case 3A5b, resolves this issue and is required as part of the NCR disposition. In Case 3AS, safety related transformer 2B04X and 2B06X' loading exceeded their adjusted rating. All safety related transformers loadings were within their adjusted ratings in Cases 3A5a and 3A5b. The'X winding of non-safety related transformer 3XU2 loadings exceeded the transformer adjusted rating in Cases 3A5, 3A5a and 3A5b. All non-ESF loadcenter transformer loading met their adjusted ratings. ( The X winding of non-safety related transformer 3X02 loading is acceptable when the load is limited to one RCP per bus fcr buses 3A01 and 3A02 in this alignment. Plant procedures currently allow two RCPs to operate on the same bus. This could result in an overload of transformer 3XU2 during Modes 5-6 when the RCPs are operating in the " cold loop" condition. All safety related buses met the load criteria in Cases 3A5a and 3A5b. The loading on lighting transformers LO1X and LO2X is acceptable for the reason discussed in the Conclusions for Case A4 in Conclusions for Unit 2. BEFORE Case,X. These Cases are run with maximum accident loads on the Unit 3 ESF buses. The Unit 3 ESF buses are powered from Reserve Auxiliary Transformers 3XR1 and 3XR2. Two different options were run for this Case. In.thebaselinerun(Case 3A6a), the system is aligned such that there are maximum loads placed on the ESF buses (only the ESF buses were analyzed in this Case). The ESF g buses include conservative loading assumptions and a margin for future load growth. In Case 3A6b, the bus loading of Case 3A6a was retained ',./ and a proposed tap setting from -2%% to 0.0% was imposed on the Reserve Auxiliary Transformers 3XR1 and 3XR2. Case 3A6a represents the extreme past and present plant operating condition. Case 3A6b represents the extreme present plant operation with the proposed tap changes. e e e ~ ~ y-,, ,c w-

CALCULATION SHEET '"* "si ....,x7oa 53 CCN CoNVERStoN Project or ocP/MMP SONG'S 2 Calc No. E4C-090 CCN No. CCN - ( ,ubject AUXIUARY SYSTEM VOLTAGE REGULAVON Sheet No. BfV SRBORATOR SATE 9RE DATE REV SusmATOR BATE mE BATE M aIs52 ......w d a /"h CASE 3A5e /~ ~ ~ ~ ~ ~ ' 7 --- In this case, Unit 3 is in modes 5 or 6 and all Unit 3 ESF and non-ESF buses are powered from 3XU1. Unit 2 ESF buses are powered from the Unit 3 ESF buses via the cross tie. Case 3A5c is a sensitivity study, used to find a minimum switchyard voltage that will allow nomal mode 1-4 operation of unit 2 ESF loads and normal mode 5-6 operation of Unit 3 ESF and non-ESF loads (per table ,10.1 of the base calculation) in this alignment without actuating the ' degraded voltage protection scheme. Results of Case 3A5c show that for the ESF buses: j With a switchyard voltage of 227.0kV, the voltage at the s I Unit 2 4.16kV ESF buses is maintained above the degraded voltage protection system's undervoltage relay maximum I dropout value of 4274.90V specified in ICCN C-1 to E4C-098 / Revision 0. The voltage at bus 2A04 is 4.279kV and the (' voltage at bus 2A06 is 4.293kV. This shows that, for this alignment and loading, the degraded voltage protection system will not actuate if the switchyard voltage is above f 227kV. Since Unit 2 is at power with its main generator / supplying power to the grid, the switchyard voltage will be within the normal limits of 230-232 KV.

Therfore, undesirable actuation of this scheme will not occur.

~ ~~~ "~~~ . p_ AFTER t l =ce= = ~e -

1 NES&L DEPARTMENT ICCN ND.1 C*7 CALCULATION SHEET = = CCN =. ...,m is 7 CCN CoNVER$loN CCN No. CCN - ( oject or DCP/MMP SONGS 2 AND 3 Calc No. E4C-090 -bI subleict AUXtuARY SYSTEM VOLTAGE REGULATION Sheet No. gEV emelsATOR . SATE Itt DATE REV OmtlEATOR DATE IRE DATE N.? GAS Q!ahl 5 R _ p ko W fl/t}h o

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WT3 s.c. ruu m cAn i 2.3 Recommendations Based on the discussion of Sections 2.1.2 and 2.2.2, Conclusions, it is recommended that: 1. To improve the voltages on 4.16kV and 480V buses the Unit Auxiliary Transformer XVI tap should be changed from the current setting of -2.5% to -5.0%. This tap setting (-5.0%) igay be maintained in all modes of. operation. (NCK 4102.o09 3, bic.C -13 c2.ooG4j M A BC-fi3-0 37) 2. To maintain bus voltage within acceptable limits, a maximum allowable switchyard voltage of 232 Kv should be established. Sc-es-ose 3. 4 Ky and 480V ESF bus voltages should be surveyed weekly to minimize the possibility on long term operation of ESF motors ) -{ with terminal voltage greater than 110% of rated voltage (a weekly surveillance is the current practice). (Sc.-g-o33) i 4. During Modes 5-6 operation, no more than one RCP should operate on the same 6.9kV bus A01 and A02, When power is being supplied by the Unit Auxiliary Transfonner XU2. (Sc-93-o33) Maintain existing load restrictions imposed by(Reference 107. 5. 6C-43-033) Adoption of these Recommendations will establish the Cases A5b and ,A7c, 3A5b and 3A7c as the most limiting configurations for current and future plant operation. As such load margin of 15 hp and 5 KVA is available for growth on ESF MCC's (BS, BT, BZ, BRA, and BRB), and proposed design changes DCP 2-6863.00SN, DCP 213-6754.00SP, DCP 2&3-6742.075M, MP 2&3-6773.00SN and MP 3-6863.00SN are acceptable for cycle 7 implementation. A summary of ESF equipment for the most limiting voltages Cases (A5a, A5b, A7c, 3A5a, 3A5b, and 3A7c) are provided in the following tables. BEFORE s b -a ,a

NESSL DEPARTMENT CALCULATION SHEET

'" " N mor ab o CCN CoNVERSloN m joet or DCP/MMP SONGS 2 Calc No.

E4C-090 ccN No. CCN - ro Suldect AUXIUARY SYSTEM VOLTAGE REGULATION ShootNo. est essmatos mate me satt arv emanates este at uit .... a m M e14n r a Pu M sinMs 2.3 Recomendations Based on the discussion of Sections 2.1.2 and 2.2.2, conclusions, it is recommended that: 1. To improve the voltages on 4.16kV and 480V buses the Unit Auxiliary Transforer XU1 tap should be changed from the current setting of -2.5% to -5.0%. This tap setting (-5.0%) may be maintained 1 des of operation. (NCR 93020053, NCR W 93020054 BC-3-033) 2. ~To maintain bus voltage within acceptable limits, a maximum A allowable switchyard voltage of 232 kV should be established. ( (BC-93-034) 3. 4.16kV a d 480V bus voltages should be surveyed weekly to k minimize the possibility of long term operation of ESF motors ) with terminal voltage greater than 110% of rated voltage a weeklysurveillanceisthecurrentpractice). (BC-93-033 4. During Modes 5-6 operation, no more than one RCP should operate by the Unit Auxiliary Transfonner XU2.on the same 6.9kV bus A01 and A02, wh BC-93-033) 1[. 5. Maintain existing load restrictions imposed by Reference 107. (BC-93-033) p -- 6. Upon implementation of W P 2&3-2060.00SE, Case A14 shall be established as the new bounding case for the Unit 2 class 1E power system. The existing bounding Cases 3A5b and A7c in the base calculation should remain. in the calculation for historical reference. 4.16kV ESF bus voltages from case A14 should be used t-as the basis for undervoltage relay settings. (CCN N-1 to E4C-098 Revision 0) Because remaining mar in for future load growth on ESF MCC 2 BRA was removed for this anal sis, no margin exists on any Train A ESF MCCs i to allow for future load growth. ,./ Load margins of 15hp and 5 KVA are available for future load growth on Train B ESF MCC's (BS, BJ, BZ, and BRB). \\ . l, A summary of the ESF equipment limiting voltages from Case A14, as well as the previous limiting voltages from Case 3A5h of the base calculation, is provided in the following tables. - s fs c ~~ 10 4

NES&L DEPARTMENT ICCN N2J C*]

==. CCN No. , ace /w is CALCULATION SHEET CCN CONVERSION CCN NO. CCN -

i.,xt or DCP/MMP SONGS 2 AND 3 Calc No.

E4C-090 Sheet No. -O,& Subject _ AUXIUARY SYSTEM VOLTAGE REGULATION anyI sesimaton sate se-satt arv smanates, satt at satt u.f.4sdt d B[ed7 r. 8 PMW f///(fj o e, r. masu J. rtn

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B Er"f*1((' 4' LatAITWO VOLTAGE CASES: UNIT 2 ESF EQUIPMENT - TRAIN A UNIT 2 TRAIN A CASE 3A5a CASE 3A5h CASE 3A7c BUS /MCC LOAD VOLTS P.U. VOLTS P.U. VOLTS P.U. BUS 2A04 E336 3920 .942 4033 .970 4099 .985 2P112 3921 .943 4035 .970 4100 .986 2P018 3921 .943 4035 .970 4100 .986 2P017 3921 .943 4035 .970 4100 .986 2P015 3921 .943 4015 .970 4100 .986 ) f 2P024 3922 .943 4035 .970 4101 * .9E6 2P141 3916 .941 4030 .969 4095 .984 2P012 3922 .943 4035 .970 4101 .986 BUS 2804 2P191 420 .914 434 .943 442 .961 2A071 415 .902 429 .932 437 .950 2E399 419 .912 433 .942 441 .959 2E401 418 .909 432 .939 440 .957 2P190 421 .914 434 .944 443 .962 E418 410 .891 424 .921 432 .939 2A074 412 .897 426 .927 435 .945 MCCs 280 420 .914 434 .943 442 .961 2BE 424 .922 438 .952 446 .970 28MA 425 .923 438 .952 446- .970 28Y 423 .920 437. .950 445 .967 80 424 .921 437 .950 445 .967 ( NON ') p.u. voltage of 4.16kv motors powered from Bus 2A04 is calculated based on 4.16kw base, for motors powered Grom 480v bus 2B04 and 480v MCCs, p.u voltage is calculated based on 460v base. o a. a.

CALCULATION SHEET l'""NE Oa n CCN CONVERSION CCN NO. CCN - , Project or DCP/MMP SONGS 2 Calc No. E4C-090 ( oubject AUX 1UARY SYSTEM VOLTAGE REGULATION Shoot No. aff emenAfes, a4TE mE RATE REV 05054T00 BATE IRE BATE

w. s. eURJA A

@ #3 1$ PllkN W Y![/ $ UMITING VOLTAGES: UNIT 2 ESF EQUIPMENT.1 MAIN A

I j

/ UNIT 2 TRAIN A CASE A14 1 j BUS /MCC 1.OAD VOLTS P.U. / BUS 2A04 2P012 4163 1.001 f 2P015 4163 1.001 \\ 2P017 4163 1.001 x 2P018 4163 1.001 2P024 4163 1.001 2P112 4163 1.001 ( 2P141 4158 1.000 ) E336 4161 1.000 i BUS 2004 2A071 444 0.966 (/( 2A074 443 0.961 ~ '. 2E399 448 0.975 2E401 447 0.972 2P190 450 0.977 ,f 2P191 449 0.977 8 E418 439 0.955 MCCs 2BD 449 0.977 2BE 453 0.985 2 BRA 454 0.986 28Y 452 0.983 / BQ 453 0.984 ,/ i NOTE: .s ' ../ ' ... ~ - -..... (, P.u. voneses se mace poww.d som 4.iew bue aAos we esieutoned undne e 4. tow be_es.Nmenw poww.e e.m asov bus ) anos end 4eo, ucce, p.u. venees is eenouissed weing e esov bene. i+ ocE M NEW 440 e l

NESSL DEPARTMENT 8CCN ND./ CALCULATION SHEET C '*y meu= CCN N=. no %,,o CCN CONVERSION Project or DCP/MMP SONGS 2 AND 3 Calc No. E4C 090 CCN No. CCN - dubject - AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. 2 REV SW8 mates SATE let SATE REV 05054T08, SATE IRE 3 ATE Me$.[1uf5 A 9 l4.,41 s R.Pk k f///@ O

e. t. gAsu J. Ein

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LNITBiG VOLTAGE CA8E8: UNIT 2 ESF EQUIPMENT - TRA5W 8 D,r., _ G L. - i UNIT 2 TRAIN 8 CASE 3A a CASE 3A5b CAST! 3A7c BUS /MCC LOAD VOLTS P.U. VOLTS P.U. VOLTS P.U. SUS 2A06 2P504 3949 .949 4060 .976 4106 .987 2P013 3953 .950 4064 .977 4110 .988 2PO26 3953 .950 4064 .977 4110 .988 2PO16 3953 .950 4064 .977 4109 .988 2P018 3953 .950 4064 .977 4110 .988 2P019 3953 .950 4064 .977 4110' .988 } 2P113 3953 .950 4064 .977 4110 .988 E335 3952 .950 4062 .977 4108 .988 SUS 2806 2A072 421 .914 432 .940 438 .952 2E400 424 .921 435 .947 441 .959 2E402 421 .914 432 .940 438 .953 2P191 425 .924 437 .949 442 .961 2P192 425 .924 437 .950 443 .962 E419 428 .931 440 .957 446 .969 2A073 417 .907 429 .933 435 .946 MCC: 28H 428 .930 439 .954 445 .967 28J 431 .937 442 .961 448 .974 28R8 432 .938 443 .963 449 .976 28Z 431 .936 442 .961 448 .974 BS 430 .934 441 .959 '447 .972 dote p.u. voltage of 4.16kv motors powered from Sus 2A06 is calculated based on 4.16kw base, for motors ( powered from 480v Sus 2806 and 480v MCCs, p.u voltage is calcuisted bened on 460v base. ) l r ...m.

NES&L DEPARTMENT ICCN NDJ C 7 CALCULATION SHEET -- + ce m n o o m is s CCN CONVERSION Project or DCP/MMP SONGS 2 Calc No. E4C-090 CCN NO. CCN - k Subject,_,, AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. REV enemATOR SATE 1AE BATE REV SERNATOR BATE ME BATE

u. s amEa' 9/M2 ra h AMW f////45 UMITING VOLTAGES: UNIT 2 ESF EQUIPMENT - TRAIN 8 UNIT 2 TRAIN B CASE A14 BUS /MCC LOAD VOLTS P.U.

2 ADS 2P013 4164 1.001 2P016 4164 1.001 2P018 4164 1.001 2P019 4164 1.001 2P026 4164 1.001 l 2P113 4164 1.001 k 2P504 4160 1.000 l 1 E335 4162 1.001 l 2B06 2A072 444 0.965 2A073 441 0.958 'f 2E400 447 0.971 e 2E402 444 0.965 t-2P191 448 0.974 i 2P192 448 0.974 E419 451 0.981 MCCs 2BH 451 0.980 2BJ 453 0.a186 l 2BRB 454 0.987 2B2 453 0.985 BS 452 0.983 . I. P.U. vonages for motors powered from 4.16kv bue 2A06 are calculated using a 4.16ky bene. For moeors powered from 480v bus 7906 and 480v MCCo. p.u. votege is calculated using a deChr base. Idi w esta>= usw 4aen

NES&L DEPARTMENT CALCULATION SHEET C,7 ,ceg go,,

==. cca ao. ~oo m isa ~ CCN CoNVER$loN f Project or DCP/MMP SONGS 2 AND 3 Calc No. E40-090 CCN No. CCN - Subject _ AUXiUARY SYSTEM VOLTAGE REGULATION Sheet No._ - 7 .m ! m ....m. .m .m ....m. .m

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3.6 MCC FEEDER YOLTAGE DROP The MCCs are modeled as an equivalent motor and static model. The MCC motor feeder cables are not used in this calculation, therefore a 3% voltage drop in the MCC motor feeders are assumed for setting the minimum voltage limits. The minimum voltage for a continuously i running motor at the MCC bus shall be 428 Y or 93%(460V x 0.93 = 428V) of the motor rated voltage. 3.7 CABLE OPERATING TEMPERATURE The cable conductors are assumed to be at 75 degrees C. for all operating conditions. 3.8 OPERATION OF (E EMERGENCY DIESEL GENERATORS I In this Calculation, the ESF loads in each alignment receive power from one of the two preferred (offsite) power supplies. In all cases involving a Design Basis Accident, the EDGs will start and run unloaded. Within 30 minutes the operators will secure the diesels and their support loads based on steps in the E0Is. Subsequent to securing the diesels, the operators may manually reconnect some ESF and non.fSF loads to the ESF buses. In this calculation it is consernchely assumed the operators will manually connect all loads that att r a mitted by the E0Is. O \\ 1 ~ 61 V, i ) GP W

CALCULATION SHEET

'* " N

.m a r..v o CCN CONVERSION Projoet or DCP/MMP SON 5S 2 Calc No. E40-090 CCN No. CCN - l Cutdoct AUXILIARY SYSTEM VOLTAGE REGULATION Sheet No. r-RfV SINSEATOR SATE IRE DATE REV BR181EATOR SATE IRE DATE

u. s. am'5d '

e 31

s. 's. eiuw M t ////0 l

A-D.b 3.0 ASSUMPTIONS - ~ ~... ,3. 9 MINIMUM SWITCHYARD V0LTAGE For the sensitivity study, performed in CASE 3A5e, Unit 2 is assumed to operating. Unit 2's 4.16KV ESF buses are connected via 4.16KV tie lines to Unit 3 4KV ESF buses. Unit 3 is not operating. 3.10 Tt.e notwal switchyard operating voltage with at least 1 generato-( connected to the switchyard is between 230KV and 232KV. } This ICCN adds the above assumptions in the Assumptions Section I i (Section 3.0) of the base calculation. The specified assumption i N numbers are arbitrarily assigned and are applicable to this ICCN only. / It does not replace the corresponding assumption numbers in the base ( calculation. (. This ICCN adds the above assumptions in the Assumptions Section (Section 3.0) of the base calculation. The specifled assumption numbers are arbitrarily assigned and are applicable to this ICCN only. It does not replace the corresponding assumption numbers in the base calculation.. e ~ AFTER 4 SCE 26426 NEW 00

9 NES&L DEPARTMM C * ~~[ acCN NO./ CALCULATION SHEET meuu CC~ ~>. ~oauOo s s 1 CCN CONVERSloN 'roject or DCP/MMP SONGS 2 AND 3 Calc No. E4C-090 CCN No. CCN. Cubject AUX 1LIARY SYSTEM VOLTAGE REGULATION Sheet No. M Y b Iarr l ememaios care ist satt arv sesmaton, eart inn eart l 9 r. 4cSLA 9/3 /91 r 3.pp;it)( f////q3 a

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2. p. rnm fN-Y*/n s.c. rumun " WD l 1

HCC Diesel Generator Not Running with no margin The DGNR model fr.r MCC 2BD, 380, 2BH and 3BH are recalculated with the 15 hp ma, gin and 5 KVA margin removed (refer to CalculationsSection8.3.2). All assumptions and methodology are the same as thtse discussed above. These models are used for Cases A5a, A5b, A7c, 3A5a, 3A5b and 3A7c. 5.3 GENERAL BUS LOAD SCHEDULE The SONGS 2 & 3 bus load schedule (1) shown in S'ection 10.6 lists the ) loads which are running for normal plant operation during modes 1-4 and 5-6. The Bus Load Schedule (1), Diesel Generator Loading Schedule in Calculation E4C-088 (Reference 403), and UFSAR Table 8.3-1 are used to generate loading schedules for each cases analyzed. 5.4 VOLTAGE REGULATION CASE DESCRIPTIONS The following cases have been established to analyze and determine voltage regulation at various locations of the plant auxiliary system. The analysis encompasses all allowable bus alignments for all modes of plant operation (Modes 1-6) per UFSAR and desi;' bases documents. i 5.4.1 UNIT 2 VOLTAGE REGULATION CASE DESCRIPTIONS

== G R E, Ja\\L 5.4.1.1 SONGS 2 Minimum Voltage Cases / The folicwino minimum voltage cases have been selected to determine anc' verify compliance with the acceptance criteria, Section 1.2 of this 15 0

NES&L DEPARTMENT CALCULATION SHEET ~EICN NO. eueO, /53 C'7 = CCN CONVERSJON Prokot or DCP/MMP SONdS 2 Calc No. E4C-090 R1 CCN NO. CCN. 'f' Sub>ct AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. afv OR!s!NATM MTE IRE MTE REY OR!s!NATM BATE Itt uit

u. s. sunmEf 2(3k1 c.G: PHAW flHN5 5.4.1.1 SONGS 2 Minimum V ses 14 is the new cinimum voltage bounding case for ESF l

I loads.,, t iI Abt AFTER I, l e i m 4

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NES&L DEPARTMENT CALCULATION SHEET %'s"uSCN =.c1 no/+eoa55 CCN CONVER$ ION CCN No. CCN - Project or DCP/MMP SONGS 2 AND 3 Calc No. E4C-090 Subject AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. [- EEV ObGmAT05 BATE mE BATE REV SeemAftB S&ff mE DATE o

s. r. usu

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transfomer 2XM. The main generator, 2G001,is connected (see Section 10.1, Figure A10, Bus AlignmentDiagramCaseA10). Bus loading: Modes 1-4 maximum loads are assumed for all buses. The largest non-ESF loads, Condensate Pump 2P050 and 2P052, are started on bus 2A03 and 2A07 respectively (see Section 10.2, Table 10.2.10, Bus LoadScheduleCaseA10). Note: This bus alignment is used to detemine the adequacy of i the voltage when starting large motors with maximum loading on both X and Y windings of transfomer 2XU1. All: Unit 2 max loading on 2XR3; One RCP is started ( ) Switchyard Voltage: 230 kV l Bus alignment: The buses 2A01 and 2A02 derive power from the Reserve Auxiliary Transfomer 2XR3 (see Section 10.1,FigureAll,BusAlignmentDiagramCaseAll). Bus loading: Maximum loads are assumed for buses 2A01 and 2A02. Both RCPs are ON for bus 2A02. One RCP is ON for bus 2A01 and the second is started. The RCPs are running cold loop (see Section 10.2, Table 10.2.11,busloadscheduleCaseAll). Note: This bus alignment is used to detemine the adequacy of the voltage to the RCPs when deriving power from 2XR3. 5.4.1.3 SONGS 2 Maximum Voltage Cases 'The following maximum voltage cases have been selected to detemine and verify compliance with the acceptance criteria established in Section 1.2 for wonst case maximum bus and motor teminal voltages. B1: Plant operating condition: Modes 5-6 Switchyard Voltage: 238 kV M

n CALCULATION SHEET '"" "Mk ~co%iu CCN CONVERSION ccN N. CCN - Project or DCP/MMP SONGS 2 Calc No. E4C-090 I; ubject _ AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. new sesmaton satt ser satt sty sesmates satt sat satt N J.Curz.T[~ fd 9//th f S.C PI M I'/N/#3 A14: UNIT 2: MAXIMUM M0DE 1-4 AND POST-ACCIDENT LOADS. ~ Switchyard Voltage: 218kV Bus alignment: Buses 2A03, and 2A08 derive power from the Y winding of Reserve Auxiliary Transformer 2XR1. Bus 2A04 derives power from the X winding of Reserve Auxiliary Transformer 2XRI. Buses 2A07, and 2A09 derive power from the Y winding of Reserve Auxiliary Transfomer 2XR2. Bus 2A06 derives power from the X winding of Reserve Auxiliary Transformer 2XR2. Unit 3 ESF buses are not connected to the Unit 2 ESF buses. Bus loading: Unit 2 ESF buses carry maximum post-accident loads, and Unit 2 non-ESF buses carry maximum mode 1-4 loads. l AFTER '(~.....--..-- \\ l e I e s

w NES&L DEPARTMENT CALCULATION SHEET Ea't" "UCN No. cd ,,c, ise, r33 o CCN CoNVEa5loN , c'r: Ject or DCP/MMP SONGS 2 AND 3 Calc No. E4C.090 CCN No. CCN - Subject AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No.. l any sesmaton satt ist satt arv omsmaton _ satt ist satt a e cw 773 e/612 s gTm W (ggr, o

s. c. sAsu

4. rim 1

J. F. KlY S.C. rNAMAMCAlt b I The Bus loading and Alignment is the same as Case AS. The differences are in the ESF MCC equivalent motor and static load models. The differences Letween the Cases are summarized.elow. Also, refer to the calculation Section 8.0 for the detailed i calculations of ESF MCC motor and static loads models. 3A5a: No margin on ESF MCC. Excess conservatism eliminated. 3A5b: Margin removed from all ESF MCCs except BS, BJ, BZ, BRA, andBRA. Excess conservatism eliminated. 3A6a: Unit 3 in modes 1-4 with LOCA loading; 3XR1 and 3XR2 ta'ps at -2.5% Switchyard Voltage: 218 kV Dus alignment: Buses 3A04 and 3A06 derive power f rom Reserve '}I Auxiliary Transformers 3XR1 and 3XR2 respectively. The cross-ties to the Unit 3 W ESF buses are not connected (see Section 10.1, Figure 3A6, Bus Alignment Diagram Cases 3A6a and3A6b). O Bus loading: LOCA loads on buses 3A04 and 3A06. The Reserve Auxiliary Transformers 3XR1 and 3XR2 W have tap settings at -2.5% to reflect the m current plant condition (Reference 401). Pumps P018 and P191 are on for both trains A and B (see Section 10.4, Table 10.4.6, Bus Loa.1 Schedule Cases 3A6a and 3A6b). '3A6b: Unit 3 in modes 1-4 with LOCA loading - 3XR1 and 3XR2 taps at 0.0V Switchyard Voltage: 218 kV Bus alignment: Sameascase3A6a(seeSection10.1, Figure 3A6, Bus Alignment Diagram Cases 3A6a and 3A6b). Bus loading: Auxiliary Transformers,pt taps for tiie Reserve Same as case 3A6a, exce 3XR1 and 3XR2 are set to 0.0% (see Section 10.4, Table 10.4.6 Bus LoadScheduleCases3A6aand3A6b). 15+

NES&L DEPARTMENT k CALCULATION SHEET I'""'IE noon Owl CCN CONVERSION Projoet or DCP/MMP SONGS 2 Calc No. E4C-090 CCN No. CCN - ( dubject AUXIUARY SYSTEM VOLTAGE REGULATION Shoot No. arv emanates eart me safe arv omemarea aart me satt k c p oe % "l :. M o niwM thifs - ~. Q k 3A5c: UNIT 3: MODES 5-6 NORMAL LOADS; UNIT 2: MODE 1-4 NORMAL ESF LOADS Switchyara Voltage: Determined in analysis Bus alignment: Buses 3A03, 3A06, and 3A08 derive power from the X s winding of Unit Auxiliary Transformer 3XU1. Buses 3A04, 3A07, and 3A09 derive power from the Y winding of Unit Auxiliary Transformer 3XU1. The Unit 2 ESF buses 2A04 and 2A06 derive power from their respective s Unit 3 ESF buses via the cross tie. \\ Bus loading: All Unit 3 ESF and non-ESF buses carry their normal i mode 5-6 loads per the table in section 10.6 of the base calculation. Unit 2 ESF buses carry their normal mode 1-4 loads per the table in section 10.6 of the base calculation. (.

- -"Whn e

AFTER g ( ID

NES&L CEPARTMENT ICCN N3J C = ~7 CALCULATION SHEET

=. CCN

,a m m i n CCN CoNVER$loN CCN No. CCN - i

ject or DCP/MMP SONGS 2 AND 3 Calc No.

E4C-090 suttoct AUXfUARY SYSTEM VOLTAGE REGUI.ATION Sheet No. 2O m .m un = un ....m un ' un n.t s.c.Tn4 oIstu sepa.W th% e

a. c. aAw

s. at-b 1.

J. F. ElYAMA / s.C. eNAMAMEAR 6.0 Reference 100. MEMORANDUMS, LETTERS AND LICENSING BASES 101 Memorandum, J. W. Ba!!ance to A. T. Kaneko, dated September 5,1990,"The Steady State Voltage Performance on the 230 kV Bus at SONGS.* 102 Not Used i 103 SONGS 2/3 Updated Safety Analysis Report (UFSAR); Rev.7 February 2,1991 -104 SONGS 2 Technical Specifications; through Amendment 100. 105 SONGS 3 Technical Specifications; through Amendment 89. 106 Memorandum, from W.H. Borgardt to E.D. I.im, Dated November 30,1988

Additional SONGS 1

230KV Bus Duty Data.* 107 Memorandum, from M.A.Wharton to Messrs. M. P. Short, R. W. Waldo, K. A. Slagle Dated December 16,1991. ' Administrative Controls During Auxilialy Transformer Outages in Modes 5 and 6, SONGS 2&3 108 1.etter C E Power Systems to Bechtel, Dated December 9,1974,Img # CB.1125

Response to comments on Reactor Coolant Pump Motor Data *.

109 Reserved for DCP 2 & 3 - 6754.00SP Rev. O, D/G Pre. lube ModiScation. 110 Reserved for DCP 2 & 3 - 6742.075M Rev. O, CCW Safety Related Makeup System. 112 System Bulletin, June 11,1990 BEFORF 201 Doc. M.89057: EE450 Electrical Database Program, Rev. 8 202 Doc. M.89060: EE453 Voltage Regulation Analysis, Rev. 0 308. CODES AND STANDARDS 301 ANSI /IEEE Standard 141 1986 - IEEE Remmmended Practka for Electric Power Distribution for Industrial Plants (IEEE Red Book) - Fault Calculations. 1 302 IEEE 308 - Criteria for Class 1E Systems for Nuclear Power Generating Stations. s. /46 \\ i

w NES&L DEPARTMENT CALCULATION SHEET "" Lit or i no, i n CCN CENVER$loN P,d{ect or DCP/MMP SONGS 2 Calc No. E4C-090 CCN No. CCN - Subject AUXIUARY SYSTEM VOLTAGE REGULATION Sheet No. EfV Sm8MATOR SATE Itt BATE REV tmSMATOR BATE IRE DATE

u. s. an$hU t'

2 s.o.nnnO 9 : A1

6.0 REFERENCES

In addition to the references of the base calculation, the following references were used in this ICCN. / I E4C-098 Reision0,kCChC1. k l 114 MiP 2&3-2060.00SE 115 E4C-090, Revision 1, CCN N-2. 116 E4C-086, R 0. CCN N-3 117 E4C-086, R 0 ICCN C-3 ~ 118 SONGS Grid Stability and Voltage Study (Document NO. C93081356957, Dated 8/13/93) 119 Letter to Bernie Carlisle from Romulo Barreno of System Operation,

Subject:

SONGS Grid Voltage Study (Document NO. C93081356056, Dated 8/13/93) l NOTE: This ICCN adds the above reference documents in the Reference Section (Section 6.0) of the base calculation. The~specified reference numbers are arbitrarily assigned and are applicable to this ICCN only. It does not replace the corresponding reference numbers in the base calculation. AFTER ~ !/4 l 8 e -}}

ML20078D689

Contents

Text

6.0 REFERENCES

1.1 PURPOSE

Reference:

2.2 CONCLUSION

6.0 REFERENCES

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ML20078D689

Text

6.0 REFERENCES

1.1 PURPOSE

Reference:

2.2 CONCLUSION

6.0 REFERENCES

Subject:

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6.0 REFERENCES

Subject:

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