ML20207L789
| ML20207L789 | |
| Person / Time | |
|---|---|
| Site: | Clinton  |
| Issue date: | 03/05/1999 |
| From: | Kish J, Schaffer P, Warner I ILLINOIS POWER CO. |
| To: | |
| Shared Package | |
| ML20207L784 | List: |
| References | |
| 19-AQ-02-01, 19-AQ-02-R03, 19-AQ-2-1, 19-AQ-2-R3, GL-89-10, NUDOCS 9903180277 | |
| Download: ML20207L789 (54) | |
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Attachment I to U-603180 1
Calculation 19-AQ-02 (53 pages, without Attachements)
Calculation of Voltages for LOCA Block Start 9903100277 990305 I PDR ADOCK 05000461 P PDR [i l
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CALCULATION COVER SIIEET SHEETI OF 53 CORP PREPARING QUALITY DEPT /DIV CALCULATION NO REVISION THIS REV. SL RELATED E/EPED YES or NO YES 19-AQ-02 3 CONFIRMATION REQUIRED TOPIC READY FOR INCORPORATION Addenda V)LUME YES NO PAGE NO(s)3 E95 YES OR NO EQ arionne A.*
~1iILE:
EVALUATION OF VOLTAGES FOR LOCA BLOCK MOTOR START AND 89-10 PROGRAM MOV MOTORS I
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APPROVALS - NAME/ SIGNATURE /DATE '
PREPARED BY OWNER'S REVIEW (If Corp is not IP) HISTORICAIITEMPO T. P. t: s h RARY PRINT ffAnt< W f4syngi YES OR NO NO 3/W[} S/2j PRINT VOL. INCORP.
DATE / SIGNAWRE ,)IN kw/ M<nA X
ASS 1GNMENT Engineering h . s!,cucago office DATE SIGNATURE CHECKED BY INSTALLATION DOCUMENTS-M4 ECNs, MwR'
' MICROFICHE PRINT APO48
[ ATTACHED:
YES DATE SiONAWRE NO REVIEWED BY J./.4144Nr4 COMMENTS:
See Note 1 below PRINT This calculation is prepared under the S&L QA program.
M4)m Review Method: Detailed review method used.
DATE of/Y/ft SIGNAWRE Revised Pages: See Revision History below.
APPROVED BY RJ, G MAFFEX
[ q. cjg DATE ' '* NW f
SUPERSEDES & SUPPLEMENTS This Calculation Supersedes (Calc #/Rev/ Add /Vol): This Calculation Supplements 19-AQ-02 / 3 / A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, (Calc #/Rev/ Add /Vol):
R, T, V, W, Y, AA, AB, AC, and AF.
REVISION lilSTORY See the next page for the revision history.
APPLICABLE SYSTEMS & EQUIPMENT SYSTEM CODES (or N/A) EQUIPMENT IDENTIFICATION NUMBERS AP N/A Support Numbers: BLDG /ELEV/ AREA (or NA)
N/A N/A J
~ ,
,, c, DElrr/DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET E/NSED 3 2 of 53 19-AQ-02 AS (main) l llinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 j REVISION HISTORY l Objective /
Purpose:
l This calculation evaluates the terminal voltages of safety related electrical loads under block start, single load start, and rumung coalitions. These electrical loads include 89-10 Program MOV motors. The ternunal !
voltages are calculated with the safety buses being enan~ *~i to various offsite electrical sources.
l l Reasorr
'Ihe reason for the change is:
. Prepare a volume in the style of a new base revision. i e Include any each= aged sheets, attachments, or pages from 19-AQ-02 revision 3 base calculation.
- Include the Ready for Incorporaton Volume A, B, C, D, E, F, G, H,1, J, K, L, M, N, O, R, T, V, W, Y, AA, l AC,and AF. ,
e Include As Built and verified mput data from "Not Ready for Incorporation" Volumes P, Q, and AB. l
- Use the latest input data and ELMS AC files from calculation 19-AK-6. j e 19-AK-6 has various changes, including the addition of Static VAR C<-..i == ion (SVC), transformer y tap changes, source '=r--h.na values, load changes iariamag HVAC fan refined BHP's, cable I imp ~iaana data from NSED Standard EE-02.00, and numerous other less significant changes. l i
e Calculation 19-AN-19 uses 4084V,4035V, and 4149V as criteria for auxiliary power system Parameters. ]
e ELMS-AC PLUS and ELMSCOMP programs were used. j Affected Pages are as follows:
- 'Ihe entire calculation (i.e., every sheet and page) was revised including the attachments and labeled (as a rcr.nimum) with Volume "AS".
. Changes to the header portion of each page, in general , is not marked with a revision bar, e' Attachments that have no technical changes from either the base revision or a volume but, have header l changes only are:
Attachment 21, Table 1, Appendix A, B, C, D, and E.
Attachments 22,24,21,30,31,35,36, and 37.
- Small technical changes within the body of pages are marked with a revision bar.
. A"arhments that are partially revised and do show revision bars are:
Anarkman' 21, Tabk 1 Attachments 25 and 26
- Attachments that are completely new or have many changes and in general do not show revision bars are:
Attachments 0.1 through 20.2 and 40 to 40.5 Atta:hment 21, Tables,2,2B,3,3A,3B,4,4A,48, and 4C.
I
. . This volume change combines the offsite power case and reset study case into one case. Various assumptions were verified and ELMS output reports were relocated from Attachments 28 and 29 to 40 through 43. Hence, the following previously issued attachments are no longer required and have been deleted:
Attachments 0.5, 2.2, 6.2,7.2, 8.2,10.2 17.2,18.2, 20.2, 23, 28, 29, 32, 33, and 34.
Anachmaat 21 Tables: 2A and 2C l
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DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME
- SHEET E/NSED 19-AQ-02 3 AS (main) 3 of 53 11inois Power Company Clinton Power Station Unit 1 Project No. 09191-177 Confirmation Required e
M98 series MOV thrust calculations need to be updated with the voltages shown in Attachment 21.
MOV thrust calculations will confirm the adequacy of the calculated voltages. Than the MOV assumption can be removed from this calculation assumption e
The minimum MCC bus voltage required by the contactors fed from control transformers located in the MCC buckets is assumed at or above 440 VAC. Calculations 19-AJ-70,71, and 72 (Ref. I1.33,11.35, and 11.36) require updates to verify this assumption. (See the Assumption Section.)
e Any Assumption Requiring Verification stated in Section 4.0 requires confirmation.
Note 1: The reviewer 's signature indicates compliance with S&L StandardSOP-0402 and the venfication of, as a minimum, thefollowing items: correctness ofmathfor handprepared calculations, appropriateness ofinput data, appropriateness ofassumptions, and appropriateness ofthe calculation method.
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MA$REDOC NF-161-3 R/l (10/98)
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- DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME $HEET E/NSED 19-AQ-02 3 AS (main) 4 of 53 Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 )
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l INPUTS / OUTPUTS / REFERENCES
- DOCUMENT NO. INFUT/ OUTPUT /
)
DESCRIPTION REFERENCE '
1 NSED Standard ME-06.00, Reference Guidelines for Determining Fire Loads and Revision 5 Preparing Fire Load Calculations l
l 2 NSED Procedure E.1, Rev 9 l Reference Calculation l
3 S&L Project instruction PI- Reference " Control of Clinton Design Calculations." l CP-248, Rev 6 !
4 S&L Procedure GQ-3.08, Rev Reference " Design Calculations."
7A 5 S&L Standard Operating Reference " Preparation, Review and Approval of Procedure SOP-0402, Rev. O Design Calculations" 6 S&L Standard Operating Reference " Control of Design input" Procedure SOP-0403, Rev. I 7 See Section 11 for other Reference references 8 See Attaciunent 21, Section Reference 11 l
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MAMRLDOC v1ms NF-161-3 R/l (10/98) 610PM
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. DEPT /DIV CALCULATION NO. l REVISION ADDENDA VOLUME SHEET <
E/NSED 19-AQ-02 .
3 AS (main) 5 Of 53 l
Ilinois Power Company l Clinton Power Station Unit i Project No. 09191 177 l
- 1. TABLE OF CONTENTS SHEET
- 1. TA B LE O F CONTE N TS . .
..... ... ..... ....... ... ...... ... ............ ... . ...... . .... 5 1.1. DEFINITIONS AND ABBREVIATIONS . .. . . . . .12
- 2. O BJECTIVE/PURPOS E ........ . .. .... .. . .. .. . .. . ....... .... .... .. 13 2.1, OBJECRVE/ PURPOSE.. .. . . . . . . .13 ,
2.2. SCOPE.. . . . .
.14
- 3. INP UT D ATA. . .. .. . .. ...... .... .... .. .. ... . .. .. . ... . .... ... 15 3.1. 4 KV SAFETY RELATED MOTORS . . . . . . . =15 ,
3.2 HVAC MOTORS MINIMUM STARUNO VOLTAGES.. .
.. . . .. .15 3.3. 0VG02CA & OVG02CB.. . . .. . . . . . . . .. .. . . . . .16 3.4 ACCELERATIONOFMOIVR ISX0lPC.. .. . .. . . . . . .16 3.5. BLANK.. . . . . . .. . .. . . . .16 3.6. MCC CONTACTORS.... . . .. . .. .16 3.7. MCC CONTROLTRANSFORMERS.. . . ... . . . ... .16 3.8. MOV F AFE STALL TIMES . .. . . . ... .16 3.9. MINIMUM MOTOR VOLTAGE . . . .. . .16 i 3.10. RESET ANDTRIP VOLTAGES.. . .. ..... .. . . . . . . 17 1 4
3.11. BLANK.. .. . . .
. . .. . .17 I 4
3.12. MINIMUM EXPECTED OFFStrE SOURCE VOLTAGES .. .17 3.13. AUXILIARYPOWER SYSTEMPARAMETERS.. . . . . . . . .17 3.14. ELMS-AC FILES., .. .. . . . .. 17 3.13. TIME DELAYED CONTINUOUS DLTTY LOADS.. . . .I8 3.14. HPCS TEST VALVES .. . .
. . .]8 3.15. LOAD MEASURED VERSUS MODELED .. .
.19
- 4. ASSUMPTIONS.....................................................................................................20 4.1. S AFE STALL TIME.. . . . . . 20 4.2. RFDUCED VOLTAGES., .
. 20
, . 4.3. PUMP INERTIA.. . . , . . . .. . . . . . . . . . 20 4.4. 460 V MOTOR ACCELERATION TIMES.. . . . . . 20 4.5. POWER FACTOR AND EFFICIENCY..... . . . . . . . . . . . . .. . 20 4.6. MOV MOTOR TORQUE . . .. . . . . 20 4.7. MCC CONTACTORS . . . .. . . 20 1
4.8. DAMPER MOTORS .. .. . . 20 4.9.120 VAC LOADS. .
21 4.10 SVC REGUIATION.. . . . .. . 21 4.11 SVC RESPONSE TIME.. . . . 4 . . 21 4.12 MOV VOLTAGES... . . . . . . . . . . .. . . . . 21 i 5.1 STARTTIME SEQUENCE.. . . . . . . 22 5.2 MOV MOTORS.. . . . . ... . . 22 1 5.3120 VAC.. . . . .. .. .
. 23 4 5.4. PROTECTIVE RELAY /OVERIDAD RELAY EVALUATION.. . .24 5.5 SECOND LEVEL UNDERVOLTAGE RELAY SETPOINT.. . . . . .. . 24 4 5.6 DAMPER MOTORS . . .
. . 24 MAMRtDOC ne, NF.1613 R/1(10/98) 610 PM
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DElrr/DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET E/NSED 19-AQ-02 3 AS onain) 6 Or53 Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177
- 6. M E T H O D O LO G Y .. .. .... ..... ... ..... ... . ......... ..... ....................... ............. ......... .. 25
6.1 INTRODUCTION
.. . .. . . . . . . 25 6.2 MAJOR STEPS:. .. .. .. . . .. . . 25 6.3 SPECIFICTIMING.. . . .. . . .. . 28 6.4. MODELINO OFMOV'S.. . . . . . .. . ... . .. . ... . 31 6.5. HPCS TEST VALVES . .. .. . . . . . .. . .33 6.6. EFFEC 1 OF VC TRAIN ON BUS VOLTAGE . ... . . . . .. . . . 33
- 7. CALCU LATION S .. .... .... ...... .. ....... ..... ... ....... ... ... ................... .... ..... ... 3 4 7.1. ELMS FILES.. . . . . . . . . . 34 7.2. Bus VOLTAGE., . . . .. . . . ... .34 7.3. MINIMUM VOL1 AGE SUMMARIES . .. . . . . . . .. . . . 34
- 8. COMPARISON OF RESULTS WITH ACCEPTANCE CRITERIA. .... ...... .. ... 35 i 8.1 STARTTIME SEQUENCE.. . . . . .. . .. . . .. . . . 35 8.2. MOV M01DRS . . .. . .. .. .. . 41 8.3.120 VAC.. . . ...... .. . . . . . . . .. ... . . . 41 8.4. PROTECTIVE RELAY / OVERLOAD RELAY EVAWATION.. . . . . . .. . . . 43 l 8.5 SECOND LEVEL UNDERVOLTAGE REIAY SETPOINT.. ... . . .. .. . . . 45 8,6 DAMPER MOTORS . .. . . . . . . . ,. 4 5
- 9. CO N CLUS IONS . ... ...... . . ............. ... . . . .. .. . .... 46 9.1. MOTOR TERMINAL VOLTAGES AND ACCELERATION TIMES ... . . . 46 9.2. ANALYSES OFMCC CONTACTORS.. .. . . . . . . 46 s 9.3. PROTECTIVE DEVICE EVALUATIONS ., .. .
. 46
, , ,, i 9.4. OVERALL CONCLUSION . . .. . . . . . . . . 46 !
- 10. RECOMMENDATIONS . . ... ... . ... ...... . .. . .. .. . ... .... .... 4 7 10.1 ArrACHMF.NT 21, TABLE I CABLE PARAMETERS., . .. . . 47 10.2 ArrAci! MENT 35 ENHANCEMENTS . .. . .. . 47 1 1. R E FE R E N C ES . .......... .... .. .............. .. . .................... .............. ............. ....... 4 8 I
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DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUhE SHEET E/NSED I9-AQ-02 3 A5 onain) 7 of 53 Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 TABLE OF CONTENTS (CONT'D.)
- 12. FIGURES 12.1 FIGURE 1 - KEY DIAGRAM (1 Sheet)
- 13. ATTACHMENTS SECT. ATT. DESCRIPTION NO. OF S11EETS 13.0.1 0.1 CALCULATION OF VC SYSTEM 1 CORRECTION FACTORS 13.0.2 0.2 VOLTAGE SUMMARIES DURING LOCA 1 TRANSIENT (T=13 sec.) ,
13.0.3 0.3 VOLTAGE SUMMARIES DURING LOCA 1 !
STEADY STATE 13.0.4. 0.4 EFFECT OF HPCS TEST VALVES 1 ACTUATION ON BUS VOLTAGES (T=13 sec.)
13.0.5 0.5 (deleted) 13.0.6 0.6 ELMS FILE CROSS INDEX TO 2 ATTACHMENTS AND CONDITIONS i
13.1 1 VOLTAGE
SUMMARY
- T=0 SEC. SOUF CE = 8 RAT 13.2.1 2.1 VOLTAGE
SUMMARY
- T=0+ SEC. *OURCE=
. 8 RAT 13.2.2 2.2 (deleted) 13.3 3 VOLTAGE
SUMMARY
-T=3 SEC. SOURCE = 8 RAT
-13.4 4 VOLTAGE
SUMMARY
-T=4 SEC, SOURCE = 8 RAT 13.5 5 VOLTAGE
SUMMARY
- T=4.5 SEC SOURCE = 8 RAT 13.6.1 6.1 VOLTAGE
SUMMARY
-T=5 SEC. SOURCE = 8 RAT 13.6.2 6.2 (deleted) 0 13.7.1 7.1 VOLTAGE
SUMMARY
- T=7 SEC. SOURCE = 8 RAT 13.7.2 7.2 (deleted). 0 13.8.1 8.1 VOLTAGE
SUMMARY
-T=13 SEC. SOURCE = 7 NO HPCS TEST VALVES RAT
, 13.8.2 8.2 (deleted) 0 t
13.8.3 8.3 VOLTAGE
SUMMARY
- T=13 SEC. SOURCE = 7 W1111 HPCS TEST VALVES RAT MAMRtDOC .
NF-161-3 R/l (10/98) ei P i
Ders /DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET E/NSED 19-AQ-02 3 AS (main) 8 or53 Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177
- 13. ATTACHMENTS SECT. ATT. DESCRIPTION NO.OF SHEETS 13.8.4 8.4 VOLTAGE
SUMMARY
, VC TRAIN B SOURCE = 7 T=13 SEC., NO HPCS TEST VALVES RAT (RESET) 13.8.5 8.5 VOLTAGE
SUMMARY
-T=13 SEC, SOURCE = 7 t MAX. RESET RAT NO HPCS TEST VALVES ,
13.8.6 8.6 VOLTAGE
SUMMARY
-T=13 SEC, SOURCE = 5 SINGLE MOTOR START, IE22C001 RAT 13.9 9 VOLTAGE
SUMMARY
- STEADY STATE (4084 V)-RAT 8 13.10.1 10.1 VOLTAGE SUM. MARY - STEADY STATE (4035 V)-RAT 8 13.10.2 10.2 (deleted). 0 13.10.4 10.4 VOLTAGE
SUMMARY
- VC TRAIN B SOURCE = 8 STEADY STATE RAT (TRIP)
NO HPCS TEST VALVES 13.11 11 VOLTAGE
SUMMARY
-T-1 SEC. SOURCE = 5 ERAT 13.12 12 VOLTAGE
SUMMARY
- T=0+ SEC. SOURCE = 5 ERAT 13.13 13 VOLTAGE
SUMMARY
-T=3 SEC. SOURCE = 5 ERAT 13.14 14 VOLTAGE
SUMMARY
-T=4 SEC. SOURCE = 5 ERAT 13.15 15 VOLTAGE
SUMMARY
- T=4.5 SEC. SOURCE = 5 ERAT 13.16 16 VOLTAGE
SUMMARY
- T=5 SEC. SOURCE = 5 ERAT 13.17.1 17.1 VOLTAGE
SUMMARY
- T=7 SEC. SOURCE = 5 ERAT 13.17.2 17.2 (deleted). 0 13.18.1 18.1 VOLTAGE
SUMMARY
-T=13 SEC. 4 (4084 V)
NO HPCS TEST VALVES SOURCE =
ERAT 13.18.2 18.2 (deleted). 0 13.18.3 18.3 VOLTAGE
SUMMARY
-T=13 SEC. (4084 V) 4 WITH HPCS TEST VALVES SOURCE =
ERAT 13.18.5 18.5 VOLTAGE
SUMMARY
- T=13 SEC. 4 (4084 V)
MAX. RESET SOURCE =
NO HPCS TEST VALUE ERAT 13.19 19 VOLTAGE
SUMMARY
- STEADY STATE (4084 V)-ERAT 2 13.20.1 20.1 VOLTAGE
SUMMARY
- STEADY STATE (4035 V)-ERAT 2 13.20.2 20.2 (deleted). O ursm iooc NF-161-3 R/l(10/98) 6 P
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- , J a.- DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET ;
E/NSED 19-AQ-02 3 AS (main) 9 of 53 !
llinois Power Company Clinton Power Station Unit 1 Project No. 09191-177
- 13. ATTACHMENTS
( SECT. ATT. DESCRIPTION NO.OF SHEETS !
13.21 21 VOLTAGE DROP FROM SOURCE BUS 1 TO 39 TO MOTORTERMINALS AND MOTOR FEEDER CIRCUIT DATA. i 21 APPENDIX A A1 to A35 l
21 APPENDIX B 6 l 21 APPENDIX C 3 ;
21 APPENDIX D 2 l 21 APPENDIX E 2 Table 1 Power Cable Data from MCC to MOV 12 Table 2 MOV voltages for LOCA valves (T=13 SEC.) 1 Legend and NON-LOCA valves (Steady State). & 9 Sheets '
Table 2A (deleted) 0 Table 2B MOV voltages for LOCA Valves during 5 Steady State Table 2C (deleted) 2 Table 3 Feeder Circuit data for continuous duty motors 2 Legend
& damper motors actuated at LOCA. & 3 Sheets Table 3A Feeder Circuit data for continuous duty motors 3 NOT actuated at LOCA.
Table 3B Feeder Circuit data for damper motors NOT 3
- actuated at LOCA Table 4 Source Voltage required to meet Min. Starting 3 Voltage for safety-related motors (continuous duty) actuated at LOCA signal.
Table 4A Source Voltage required to meet Min. Running 3 Voltage for safety-related motors (continuous duty) actuated at LOCA signal.
Table 4B Source Voltage required to meet Min. Running 3 Voltage for safety- related motors (continuous l
duty) NOT actuated at LOCA signal. !
Table 4C Source Voltage required to meet Min. Starting 3 I Voltage for safety- related motors (continuous !
duty) NOT actuated at LOCA signal.
13.22 22 MOV MOTOR CURRENTS MODELED 3 FOR MOTOR STARTING !
13.23 23 (deleted) 0 13.24 24 LIST OF IE NON-RUNNING LOADS 6 l
RECEIVINO A LOCA START SIGNAL :
13.25 25 REVIEW OF NON-NSSS LOADS WHICH 27 ACTUATE ON RECEIPT OF AN ISOLATION SIGNAL MASTER 7. Doe NF-161-3 R/l (10/98)
. t DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET E/NSED 19-AQ-02 3 AS (main) 10 of 53 I llinois Power Cornpany Clinton Power Station Unit 1 Project No. 09191-177 l
- 13. ATTACHMENTS l
SECT. ATT. DESCRIPTION NO.OF )
SHEETS t 13.26 26 REVIEW OF NSSS LOADS WHICH 9 ACTUATE ON RECEIPT OF AN i ISOLATION SIGNAL l
13.27 27 Refinements of motor PF and EFF.(for 7 1 1 motors.) !
13.28 28 (deleted) 13.29 29 (deleted) 13.30 30 PROTECTIVE DEVICE CURVE FOR IVD01CA AND IVD01CB 13.31 31 REFERENCE DOCUMENTS 39 Reference 11.9 Reference 11.10 Reference 11.11 Reference 11.12 Reference 11.13 Reference 11,14 Reference 11.19 Reference 11.20 13.32 32 (deleted) 0 13.33 33 (deleted) 0 13.34 34 (deleted) 0 !
13.35 35 Evaluation of LOCA Continuous Duty Fans 118 l (start times) and Manufacturer's Curves and ;
Data 13.36 36 COMPARISON OF SWITCliGEAR LOADS 10 FOR WINTER PEAK FOUND BETWEEN CALCULATION 19-AK-06 AND THE l ACTUAL LOADS FROM TRENDIT DATA FOR THE WINTER OF 1995.
13.37 37 EVALUATION OF HYDROGEN IGNITER 3 DISTRIBUTION-TRANSFORMERTAP SETHNGS 13.40 40 BUS DATA FILE AQ2V45.EPl 5 T = 0+,3,4, & 4.5. SVC 28500 VAR (SL122)
ELMS-AC PLUS (Version 1.2) 13.41 41 CONNECTION DATA FILE AQ2V45.EPl 12 T = 0+,3,4, & 4.5. SVC 28500 VAR (SL124)
ELMS-AC PLUS (Version 1.2) musoe NF-161-3 R/1 (10/98)
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DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET l E/NSED 19-AQ-02 3 AS (main) 11of53 l Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 l
- 13. ATTACHMENTS 1 SECT. ATT. DESCRIPTION NO.OF J SiiEETS l 13.42 42 LOAD DATA FILE AQ2V45.EPl 179 ;
T = 0+,3,4, & 4.5. SVC 28500 VAR (SL126) l ELMS-AC PLUS (Version 1.2) 13.43 43 43.1 Load Data Differences Report AQ2 CONF.XX 8 ELMSCOMP (Version 1.0) X vs.
AQ2AV45.EPl 43.2 Load Data Differences Report AQ2 CONF.XX 24 ELMSCOMP (Version 1.0) X vs.
AQ2BV45.EPl 43.3 Load Data Differences Report AQ2 CONF.XX 9 ELMSCOMP (Version 1.0) X vs.
AQ2CV45.EPl 43.4 Load Data Differences Report AQ2 CONF.XX 14 ELMSCOMP (Version 1.0) X vs.
AQ2AV45.VC B
43.5 Load Data Differences Report AQ2 CONF.XX 16 ELMSCOMP (Version 1.0) X vs.
AQ2CV45.VC B
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'Y DEFT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET E/NSED 19-AQ-02 3 AS onain) 12 of 53 Ilinois Power Company Clinton Power Station Unit i Project No. 09191-177 1.1. Definitions and Abbreviations 1.1. Block Start - An electrical load condition where electrical signals or process signal cause electrical loads to automatically start approximately at the same time. These starts may '
occur staggered in time by small time increments (i.e., mill-seconds to a few seconds) but, for this calculation they are generally considered to occur at the same time. This event starts i at a time called T = 0 (zero). Block Start also considers loads started after T = 0. These !
loads typically have control circuits with timers, have process time delays, or are manually controlled.
1.2.
LOCA " Loss of Coolant Accident" LOCA is used in this calculation in various ways.
LOCA in combination with Block Start, Signal, Loads, etc. means that the LOCA was the initiating event that started the event or load case being studied.
1.3.
Load (s) - Within the context of this calculation the " loads" described in this calculation are those safety related electrical motors, heater, transformers, etc. fed from the safety related 4 KV and 480 VAC buses. The safety related buses are summarized on Figure I base on the single line drawing (Ref. I1.37).
1.4. Motor-Operated Valves - MOV(s) 1.5. 480 VAC Motor Control Center-MCC 1.6. Reset - Minimum Reset; He term " reset"is used in this calculation with reference to the analytical limit for the second level under-voltage relay setting of the muumum relay pick-up (reset) voltage. This voltage should be greater than or equal to the nummum 4KV safety related bus recovery voltage. The minimum 4 KV safety related bus voltage under recovery after successfully starting and running all required LOCA loads is considered to be 4084 V.
1.7. Maximum Reset - This term is used in this calculation with reference to the analytical limit for the second level under-voltage relay setting of the maxunum relay pick-up voltage. The value is 4118 (Ref. I1.6). His voltage should be less than or equal to the minimum 4KV safety related bus voltage under steady state LOCA loading with offsite voltage at the minimum expected value. The minimum 4 KV SAFETY RELATED bus voltage under steady-state LOCA loading with the offsite voltage at the minimum expected v'alue is considered to be 4149 V (Assumption 4.11).
1.8. Trip - Minimum Trip, The muumum 4 KV SAFETY RELATED bus voltage required to run the LOCA equipment is considered to be 4035 V.
1.9. 4 KV Safety Related Buses - The specific buses are numbered 1 A1,1B1, and ICl.
1.10. RAT - Reserve Auxiliary Transformer 1.11. ERAT - Emergency Reserve Auxiliary Transformer 1.12. SVC - Static VAR Compensator 1.13. VAR - Volt Ampere Reactive 1.14. Ref. -Reference 1.15. ELMS-AC PLUS - Computer Program " Advanced Electrical Load Monitoring System For Alternating Current Loads (ELMS-AC PLUS) (Ref. I 1.28 and is also referred to in this calculation simply by ELMS 1.16. BHP - Brake Horsepower 1.17.
BOP - Balance of Plant and is used in this calculation with reference to electrical loads. l l
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DEPT /DIV CALCULATION NO. REVISION ADDENDA
~ VOLUME SHEET E/NSED 19-AQ-02 3 AS onain) 13 of 53 i Ilinois Power Company Clinton Pcwer Station Unit 1 l Project No. 09191-177 I
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- 2. OBJECTIVE /rURPOSE 2.1. Objective / Purpose This calculation evaluates the terminal voltages of safety related electrical loads under block start, single load start, and running conditions. %cse electrical loads include 89-10 Program MOV motors. l' This calculation will determine if LOCA initiated continuous duty and damper motors l receive adequate terminal voltage to accelerate. This calculation will also determine if l steady state motor terminal voltages for LOCA initiated continuous duty and damper motors ;
are at least 90% ofmotor rated voltages. This calculation will determine motor terminal voltages for motor-operated valves (MOV). The MOV ternunal voltage information may be used as input to MOV thrust and torque switch (M98 series) calculations.
The evaluations are performed at 1) 4084 V for block start, and 2) 4035 V for steady state,
- 3) 4149 V to verify that the Second Level Undervoltage relay resets. These evaluations I ,
provide a basis for determining if these voltage levels are adequate 1) to allow LOCA block i start motors to accelerate and 2) to provide adequate runmng voltage for Class 1E loads.
This calculation will verify that the following assumptions used in calculation 19-AN-19, Revision 2, Volume F (Ref. I1.6) were correct:
- 1. He minimum 4 KV SAFETY RELATED bus voltage under steady-state LOCA 1 loading with the off-site voltage at the nummum expected value is considered to be 4149 V. This number is based on the maximum second Level Under Voltage Relay operating range of 4118 V plus a tolerance. This tolerance is related to the SVC Regulation. He maximum value is expected to be 4149 V which requires verification (See the assumptions).
- 2. The minimum 4 KV SAFETY RELATED bus voltage required to run the LOCA required equipment is considered to be 4035 V.
i
- 3. The muumum voltage to which the 4 KV SAFETY RELATED bus recovers after '
successfully starting and running all required LOCA loads is considered to be t
4084V.
1 1
1 mmunoc mm NF-161-3 R/1 (10/98) 610 PM
l DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET E/NSED
]9-AQ-02 3 AS (main) 14 of 53 Ilinois Power Company Clinton Power Station Unit i Project No. 09191-177 1
2.2. Scope l
l l
The scope of this calculation includes motors receiving a LOCA start signal as identified in !
Attachment 24. Attachment 21 will also determine motor terminal voltages for MOV's. The
- l MOVs included are defined in Reference 11.31. Whether the MOV terminal voltages are l adequate during the various LOCA times to produce the torque required for proper stroking is beyond the scope of this calculation and its Attachment 21.
The evaluation of all safety-related motors will be performed for both offsite sources, the Reserve Auxiliary Transformer (RAT), and the Emergency Reserve Auxiliary Transformer (ERAT).
Evaluation of MCC contactor protection (fuse blowing) for degraded voltage is not included in the scope of this calculation. See calculation 19-AJ-70 for this information (Ref. I1.33).
Evaluation of protective devices tripping of 460 V continuous duty motors is not included in the scope of this calculation except for a few cases.
This calculation determines the voltage available at the 480 V level to supply safety-related 120 VAC loads. The evaluation of the muumum acceptable voltage at the 120 V level is beyond the scope of this calculation.
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DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME
- SHEET E/NSED 19-AQ-02 3 AS (main) 15 of 53 l Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 I
- 3. INPUT DATA 3.1. 4 KV Safety Related Motors The following are the acceleration times, safe stall times, and overcurrent relay trip times of the LOCA-initiated 4KV Voltage motors.
SERVICE, RATED ACCELERAL Thermal ' Overcurrent -REF. !
EQUIPMENT
^ * 'I E
- ) "'
NO* #8 '
~
(Sec.)
HPCS 100 % 1.56 14 4.75 11.5 l 80 % 3.12 18 5.45 11.5 !
lE22-C001 75 % 4.78 19 5.8 11.5 LPCS 100 % 1.085 14 4.4 11.4 IE21 r301
' ^ !
75 % 4.00 -- -
11.19, l
11.20 l
RHR 100 % 1.25 14 4.0 11.4 1E12-C002A' B, C 75 % 3.'30 - -
11.19, 11.20 SSW 100 % 0.80 14 5.5 11.4 90 % 1.15 17 5.7 11.4 ISX0lPA* B 75 % 2.50 24.5 6.7 11.4 3.2 HVAC Motors Minimum Starting Voltages The following motors have minimum starting voltages of 75% of motor rated voltage (Reference 11.17). Attachment 35 contains additional actual start time evaluation and fan manufacturer data.
OVG05CA IVD01CC IVX03CB IVY 01C IVYOSC OVG05CB IVH01CA IVXO3CC IVYO2C IVYO6C IVD01CA IVH01CB IVY 03C IVYO7C IVD01CB IVX03CA IVY 04C IVY 08CA IVY 08CB MAMRGOC NF-161-3 R/1 (10/98)
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DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET i E/NSED 19-AQ-02 3 AS (nmin) 16 or53 Ilinois Power Company Clinton Power Station Unit i Project No. 09191-177 3.3. OVG02CA & OVG02CB l
The minimum starting voltages for OVG02CA and OVG02CB are not specified. However, the following is obtained from the vendor data (Reference 11.16):
HP Rating 30 hp '
l Calculated BHP required at the 2GBHP maximum specified dnven equipment output l
This data is used in the fan start time evaluation performed in Attachment 35.
3.4 Acceleration of Motor ISX01PC SSW IC Pump 460V Motor ISX0lPC is required to accelerate to rated speed in a i maximum of five seconds with a 75% rated ternunal voltage (Reference 11.15). The start l time for SSW lC is evaluated in calculation 19-AQ-08 (Reference 11.34) and summarized below:
SERVICE, . ~ RATED' ACCELERATION FINALMOTOR:
VOLTAGE ~ TIME (Sec.) : SPEED (RPM) -
EQUIPMENT NO.
(460V).
SSW 100 % 0.464 1760 1SX01PC "
60 % 4.647 less than 1144 56 % 2.126 less than 968 3.5. Blank This Input Number was intentionally left blank.
3.6. MCC Contactors The dropout voltage for ITE and GE MCC size 1 & 2120 VAC rated contactors is 45 and 65 volts respectively. (Note: Sizes 3 & 4 contactors are 480 volt units)(Ref. I1.33).
3.7. MCC Control Transformers The minimum MCC bus voltage required by the contactors fed from control transformers located in the MCC buckets is assumed at or above 440 VAC. See the Assumption Section for the basis of this value.
3.8. MOV Safe Stall Times The maximum safe stall time at rated locked rotor current ranges from 10 to 30 seconds for l various MOV motor sizes (Reference 11.25).
l 3.9. Minimum Motor Voltage Minimum motor ternunal voltage for steady state operation for NEMA frame motors is 90%
of rated (Reference 11.24 NEMA MG-1).
MAMRLDOC NF-161-3 R/l (10/98) eNN
DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET E/NSED 19-AQ-02 3 AS (main) 17 of 53 l Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 l 3.10. Reset and Trip Voltages The critical safety related bus voltages used in this calculation as discussed in the Definition i
and Purpose Sections are restated below: l Maximum Reset 4149 VAC l Reset (muumum) 4084 VAC !
Trip (minimum) 4035 VAC l 3.11. Blank This Input Number was intentionally left blank. (See Input Data 3.1 for the information that was previously shown here.)
3.12. Minimum expected offsite source voltages The muumum expected offsite source voltages per 19-AK-06 (Ref. I 1.2) are as below:
j t. a.. Volts _. . . . ._
l
' Source - (%ofRated)? Reference . 1 345 KV(RAT) 324,300 11.2 (ELMS-AC source 2) (94%) l 138 KV(ERAT) 122,820 11.2 (ELMS-AC source 3) (89%)
3.13. Auxiliary Power System Parameters The Auxiliary Power System parameters are documented in calculations 19-AK-01,19AK-02,19-AK-06, and 19-AK-08 (References 11.46,11.47,11.2, and 11.48). For explanation, references, and other technical details of the ELMS model, bus connections, system parameters, transformer tap settings, load data, etc. The parameters were transferred to this calculation via the ELMS files discussed below.
3.14. ELMS-AC files The following ELMS-AC computer files are input data for this calculation: i AQ2V33.001 I AQ2AV33.001 AQ2BV33.001 AQ2CV33.001 ACAPV45.001 STARTT0.001 STARTT3.001 i STARTT5.001 STARTT7.001 STARTT10.001 STARTT10.002 ACAPV45.002 (Note this is the same file as ACAPV45.001 except for the file extension number) mmucoc NF-161-3 R/l (10/98)
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- l DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SiiEET E/NSED 19-AQ-02 3 AS onain) 18 or53 llinois Power Cornpany Clinton Power Station Unit 1 Project No. 09191 177 3.13. Time Delayed ( mtinuous Doty Loads The following continuous duty motors have time-delayed starting after the LOCA Block Start. The + e the only differences betweer. %e Steady State data file and the T = 13 Seconds fra .de.
~ Equipment. .
Supply
. No. Load Name ' Bus
, IVXO6CA SWGR 1A HT RMVL COND UNIT 480V BUS l A IVX06CB SWGR IB HT RMVL COND UNIT 480V BUS IB IVX03CA SWGR 1 A & 1 A1 HEAT RMVL FANIA A B MCC l Al IVXO3CB SWGR IB HEAT RMVL FAN IA A B MCC IBl 0VC05CA CTL RM HVAC M-U AIR FAN A C B MCC El IVX03CC SWGR ICI HT RMVL FAN 1 A A B MCC ICI IVXO6CC SWGR ICI HT RMVL COND UNIT A B MCC ICI OVCll4YA CTL RM FLT TRN A DMPR DAMPER MCC A 3.14. HPCS Test Valves The following MOV loads were conservatively included in the block start cases because of 6
the condition that the HPCS system could be in test at the time of LOCA initiation. Separate condition were modeled without these valves.
Load Equipment Supply No. Load Name Bus IE22-F010 HPCS Test Return Line Valve to RCIC .A B MCC Storage Tank 1C IE22-I011 HPCS Test Return Line valve to RCIC A B MCC Storage Tank IC IE22-F023 HPCS Test Return Line valve to A B MCC Suppression Pool IC However, the HPCS system would be inoperab.c ifit is in test at the time of LOCA initiation (Ref. I1.43 and 11.44). Division 3 bus voltage levels will be analyzed with IIPCS not in te.g and Division I r.nd 2 bus voltages will be analyzed with HPCS in tejl.
urmunoc NF-161-3 R/l (10/98)
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DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET E/NSED 19-AQ-02 3 AS (nrin) 19 of 53 Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 3.15. Load Measured Versus Modeled The actuti Balance of Plant (BOP) load data captured by the TRENDIT (the plant data acquisition and trendmg) program for the winter of 1995 (the months of January, February and December) was compared to the modeled loading in 19-AK-06 (Ref. I1.2) ELMS winter loading condition. 'lhis comparison identified that there is conservatism in the load modeled in 19-AK-06. For the purpose of this calculation, the conservatism was reduced by 75% as documented in Attachment 36. The difference between the AK-06 and TRENDIT data wm 3.91 and 4.66 MVA for the 6.9 and 4.16 KV buses respectively. This calculation reduced the 6.9 KV bus I A loading by 2933 KVA (75% of 3.91) and the 4.16 KV bus I A loading by 3498 KVA (75% of 4.66) compared to the corresponding loading condition in 19-AK-06.-
(See Attachment 36). Note that this load data comparison was performed against trend data and ELMS data at one point in time. The difference in loadmg between the actual plant load and the ELMS model are expected to remain the sarr; if compared with the latest plant operating configuration.
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DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME
' SHEET E/NSED 19-AQ-02 3 AS (main) 20 of 53 Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 l
- 4. ASSUMPTIONS l
4.! Safe Stall Time i Data for Westinghouse NEMA motors with a service factor of 1.0 supplied to Buffalo Forge have a safe stall time at rated voltage (drawing locked rotor current) from 16 to 31 second l
and at 65% of rated motor voltage from 42 to 85 seconds. This is considered typical.
Therefore, for the nurposes of this analyses, a 15 secon:1 safe stall time at rated locked rotor current is assumed.
4.2. Reduced Voltages l
Continuous duty motors with reduced voltage start accelerating at T=0 due to the large delta i between available motor torque and required driven equipment torque at low speed (i.e., ;
motors will not stall at T=0 seconds). (See Reference 11.34 for typical examples.) '
4.3. Pump Inertia 2
Compressor and pump loads typically have low load inertia, WK , values in relation to the motor capability to accelerate the load. 1 4.4. 460 V Motor Acceleration Times The acceleration times for 460-V continuous duty motors are estimated as starting or {
running at specific times in the block start model. (See Attachment 35.)
4.5. Power factor and Effiaency 1 Manufacturer full-load current data is available for certain 460 V motors and are used to determine power factors and efficiencies, as documented in Attachment 27. Otherwise, estimated power factors and efficiencies for 460-V continuous-duty motors are used, per Calculation 19-AK-6.
4.6. MOV Motor Torque (Assumption Requires Verification) l The MOV motor terminal voltages calculated in Attachment 21, Table 2 and 2B are assumed to provide sufIicient motor torque to seat / unseat the associated MOV. See Attaciunent 21 for more details. This assumption requires verification; the Series M98 MOV thrust calculations should be further evaluated.
4.7. MCC Contactors MCC contactors energized prior to, or at T=0 are assumed to remain energized at T=0+
This is conservative since it produces worst case T=0 motor tenninal voltages. If some contactors drop out at T=0 due to the degraded bus voltage, then the initial starting load would be reduced. Devices typically have approximately a 20% difference between their pickup and dropout values and, therefore, contactors, which may drop out, are not expected to pick up until bus voltages improve by approximately 20%.
4.8. Damper Motors A minimum starting voltage of 80% is assumed for damper motors. (See Reference 11.42 found in Attachment 31.)
uunnroc M499 NF-161-3 R/1 (10/98) 619 PM
. 1 DEPT /DIV CALCULATION NO. REVISION ADDEMDA VOLUME SHEET THSED l 19-AQ-02 3 AS (main) 21 of 53 Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 I
4.9. 120 VAC Loads (Assumption Requires Verification)
He 120 VAC loads, including contactors, will have adequate voltage prosided the MCC l
feeder bus is at 440 VAC or higher. Applicable "AJ" series calculations will be revised to i verify this assumption. Specific calculation that may be impacted include: 19-AJ-70,19-AJ-71, and 19-AJ-72 (Ref. I1.33,11.35, and 11.36).
4.10 SVC Regulation (Assumption Requires Verification)
The SVC for the RAT & ERAT will be adjusted to control the safety related 4.16kV Class IE bus voltage to a minimum value of 4135 V to 4149 V.
l 4.11 SVC Response Time (Assumption Requires Verification) ne SVC response time (full inductive to full capacitive) is assumed to be less than 0.1 second and the actual response will not significantly impact this calculation. The analysis of large motor acceleration in this calculation is conservative enough to allow for no acceleration for large motors until 0.1 seconds following the LOCA Signal. A 0.1 second delay will not cause protective device actuation, motor overheating, or significantly impact the overall start time of the motors. Therefore, it is acceptable that the analysis models the SVC "On" at time equal to zero.
l 4.12 MOV Voltages (Assumption Requires Verification)
It is assumed that the MOV voltages calculated in Attachment 21 are adequate. MOV thrust calculations will confirm the adequacy of the caiculated voltages.
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DEFT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET E/NSED 19-AQ-02 3 AS (main) 22 of 53 Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 l
l 5. ACCEPTANCE CRITERIA 1 i
5.1 Start Time Sequence i
The acceptance criteria for starting motors is that they accelerate within the allowable safe i
stall time which is assumed to be 15 seconds at rated locked rotor current for ;
continuous duty 460-V motors. For conservatism,13 seconds will be used as the acceptance l
criteria.
l The minimum starting voltage required at the terminals ofcontinuous duty motors is 75% of motor rated voltage for individual motor start as analyzed in Attachment 21, Tables 4 & 4C:
l Minimum Required Starting Voltage for Continuous Duty Motors Motor Rated Voltage Minimum Termmal Voltage 4000 Volts 3000 Volts 460 Volts 345 Volts ne minimum steady state operating (runnmg) voltage required at the temtinals of continuous duty motors is 90% of motor rated voltage (Refer to Attachment 21, Tables 4A
& 4B):
Minimum Requimd Running Voltage for Continuous Duty Motors Motor Rated Voltage Minimum Terminal Vol nge i 4000 Volts 3600 Volts 460 Volts 414 Volts 5.2 MOV Motors Adequacy of voltage available to the MOV motors is analyzed in separate thrust / torque j calculations (Series M98 Thrust Calculations). The minimum voltage available at the MOV j
motor terminals tmder transient and steady state conditions is calculated in Table-2 and t Table-2B of Attachment 21. The voltage calculated in Table 2 or 2B for MOVs should be used in the associated thrust calculation. The calculation cover sheet will be marked
" confirmation required" until the impact on the affected thrust calculations is resolved (See Assumption).
J urmatooc 3/2499 NF-161-3 R/l (10/98) e10PM
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DEPT /DIV CALCULATION NO. REVISION !
ADDENDA VOLUME SHEET E/NSED 19-AQ-02 3 AS (main) 23 or53 Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 5.3 120 VAC The minimum required MCC bus voltage for 120 VAC control and distribution circuits after the LOCA block starting (transient) period is determined in separate calculations as indicated in the following table:
Minimum Bus Voltage for 120 VAC Control and Distribution Circuits Ckts fed from Ckts fed from non- Acceptance Div. Bus Control Xfmrs reg. dist. Xfmrs Criteria Volts Ref. Volts Ref. Min.
Voltage 1 C B MCC El 440 Ref11.36 n/a* ReE I1.45 440 C B MCC E2 440 Ref.11.36 421 Ref. I1.45 440 C B MCC G 440 Ref.11.36 421 Ref. I1.45 440 SSW MCC 1A 440 Ref 11.33 n/a" Ref.11.45 440
& 11.35 DG MCC 1A 440 Ref.11.36 n/a* Ref.I1.45 440 DAMPER MCC A 440 n/a* *
- n/a"* Ref. I1.45 440 A B MCC 1A1 440 Refil.36 421 Ref.11.45 440 A B MCC 1A2 440 Ref.11.36 n/a* Ref 11.45 440 A B MCC 1A3 440 Ref.11.33 n/a* Ref. I1.45 440
& 11.35 A B MCC 1 A4 440 ReEll.36 425 Ref 11.45 440 II C B MCC F1 440 Ref.11.36 n/a* Ref. I1.45 440 C B MCC F2 440 Ref.l l.36 421 Ref 11.45 440 C B MCC H 440 Ref.11.36 421 Ref 11.45 440 DAMPER MCC B 440 n/a*" n/a"* Ref. I1.45 440 SSW MCC IB 440 Ref.11.33 n/a" Ret 11.45 440
& 11.35
_ DG MCC IB 440 ReEll.36 n/a* ReE 11.45 440 4 B MCC IBl 440 Ref t 1.36 421 Ref.11.45 440 A B MCC IB2 420 Ref.11.36 n/a* Ref 11.45 440 A B MCC 1B3 440 Ref.11.36 n/a* Ref. I1.45 440 A B MCC IB4 440 Ref.I I .36 424 Rc011.45 440 111 A B MCC ICI 440 Ref.11.33 421 Ref. I1.45 440
& 11.35 A B MCC IC 440 Ref.11.33 n/a* Ref.11.45 440 (HPCS MCC) & 11.35 SSW MCC IC 440 Reft 1.36 n/a" Ref. I1.45 440
- No distribution panelin this MCC
" No essential circuits for LOCA mitigation
- " The dampers control circ :its are fed from the distribution panels in other MCC's MASR EDoe NF-161-3 R/l (10/98)
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_ _ . _ _ . , . __ _ _ _ - ________.._...-~_..-__.___m_ -
DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET E/NSED 19-AQ-02 3 AS (main) 24 of 53 l Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 5.4. Protective Relay / Overload Relay Evaluation Protective Relay / Overload Relay Evaluation are outside the scope of this calculation.
However, if evaluations are necessary the protection devices should not trip during motor starting.
5.5 Second Level Undervoltage Relay Setpoint The acceptance criteria is as discussed in the purpose. !
5.6 Damper Motors The minimum steady state operating (mnning) voltage required at the terminals of damper ,
motors is 75% for starting and 80% for running of 460V (or 368V) as indicated in reference '
11.42.
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DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SiiEET E/NSED i 19-AQ-02 3 AS (main) 25 of 53 !
Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191 177 l
- 6. METilODOLOGY 6.1 Introduction l This calculation analyzes the electrical load performance during the LOCA block start and steady state running conditions. Motor performance is determined by the loads ability to !
accelerate to operating speed under changing voltage and load conditions. The loads must obtain rated speed at least to the minimum rated voltage within specific time periods. !
Excessive motor start times and low voltages can cause load overheating, protective device l trips, and failures of safety related functions. During the LOCA block start condition, the load and corresponding voltage will change with time. This type of analysis is referred to as dynamic transient starting analysis. Heaters and 480/120 VAC distribution transformers are l
also considered in the analysis.
The method for this calculation is to simulate the dynamic transient starting analysis by !
calculating load terminal and bus voltages at discrete points in time. The results are compared to the equipment's rating to determine whether the loads will operate within the required time period. When necessary detail load start times have been calculated based on available motor torque at reduced voltages. '
6.2 Major Steps:
The method has the following major steps: I
- 1. Identify safety related loads and their start times during a LOCA with offsite power and document the results on Attachments 24,25, and 26.
- 2. Develop different load condition for each significant start time during the LOCA event.
- 3. Use the computer program ELMS-AC PLUS (reference 11.28) for voltage calculations. See the Instruction Manual for operating the program (Ref.
I1.28).
- 4. Obtain the ELMS input data files from calculation 19-AK-06 (REF. I1.2) that shows Condition 4, LOCA plus winter with the 90*C connection impedance.
This file is typically numbered ACAPxx.001, where "xx" is the revision of the file. Rename this file ACAPxxx.002 for use as a master source file.
- 5. Obtain the ELMS input data files for calculation 19-AQ-02. The files are typically numbered AQ2Vxx.001 or AQ2Vxx.EPl where "xx"is the revision of the file and EP stands for an ELMS AC PLUS file. Various other files can be created with AV, BV, CV, etc. instead of the V or a different extension to represent other load cases.
! mmmoc zuw NF-161-3 R/l (10/98) o 60 PM
DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET E/NSED 19-AQ-02 3 AS (main) 26 of 51 Ilinois Power Company Clinton Power Station Unit i Project No. 09191-177
- 6. Use calculations 19-AK-01,19AK-02,19-AK-06, and 19-AK-08 (References 11.46,11.47,11.2, and i1.48), for explanation and other technical details of the ELMS model, bus connections, system parameters, load data, etc.
- 7. Using the ACAPVxx.002 file either create a new master file for 19-AQ-02 or use ELMSCOMP to update AQ2Vxx.EPl. See the Instruction Manual for operating the program (Ref. I1.28). This file would than be the master file for 19-AQ-02. Rename the new or revised file with the next revision number.
- 8. Update AQ2Vxx.EP2 with unique data required for 19-AQ-02 that does not currently exist in ACAPVxx.001,
I1. Use the bus to load circuit impedance data from Attachment 21 and update ELMS for critical safety related loads.
- 12. Simulate a BOP loading similar to approximately 75% of the actual plant operating load. Reduced the 6.9 KV bus I A loading by 2933 KVA (75% of 3.91) and the 4.16 KV bus I A loading by 3498 KVA (75% of4.66) Modify the BHP under condition # 4 for loads 1CW01PA (load # 2), ICB0lPC (load #
9),1CD01PA (load # 12),1CD01PC (load # 13), IWSO1PC (load # 20), or other BOP loads to obtain the reduction.
- 13. Record on Attachments 40 to 42 the ELMS Bus Data, Connection Data, and Load Data to document the master file.
- 14. Create unique ELMS files to represent the different times.
- 15. Record on Attachment 0.6 the ELMS File Cross Index to Attachments and Conditions.
- 16. Create unique ELMS-AC PLUS block load start files for different times.
- 17. Use the computer program ELMSCOMP (refere 11.28) to maintain and verify differences between ELMS data files and . ament the results on Attachments 43.1 to 43.5.
- 18. Run ELMS-AC Plus to calculate bus voltages for various conditions as shown on Attachment 0.6.
MAMU doc NF-161-3 R/1 (10/98)
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< DEPT /DIV CALCULATION NO. REVISION ADDEt4DA VOLUME SHEET l E/NSED 19-AQ-02 3 AS onain) 27 of! 3 ;
llinois Power Company Clinton Power Station Unit 1 Project No. 09191 177 l
l
- 19. Perform each run at the minimum offsite switchyard voltage.
20 Run each condition with a target voltage corresponding to either the minimum reset (4084 V), maximum reset (4149 V), or minimum trip (4035 V). Buses
{
1 Al, IB1, and ICI must be at (with a tolerance of +/- 0.2V)or above the target !
l voltage except for when the SVC is at it's maximum VAR output. Vary the .
SVC VAR value under the ELMS condition 4 BHP column. The 2 SVC's ar,:
{
the last loads on the ELMS Load List as shown Attachment 42. i
- 21. Document each run in Attachments I to 20. !
i
- 22. Update Attachments 0.1 to 0.4 with the bus voltage values from the applicable l l ELMS run as shown on the attachments.
- 23. Update Attachment 21, Voltage Drop From Source Bus to Motor Terminals and i Motor Feeder Circuit Data. See Attachment 21 for the method used. t
- 24. Compare the results shown in Attachments I to 21 against the acceptance criteria and document the result.
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- MAMU DOC i mm NF-161-3 R/1(10/98) elaPM
DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET E/NSED 19-AQ-02 3 AS crnain) 28 of 53 Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191 177 6.3 Specific Timing Based on past 19-AQ-02 revisions and numerous analysis iterations the following time sequence was determined and forms the base method for constructing the ELMS load files:
6.3.1. LOCA Block Start T=0 Starting:
The first LOCA block start case analyzed is at LOCA T=0. This case models bus and motor terminal voltages (for critical case motors) in a locked rotor condition for motors and MOV motors receiving a LOCA signal. Excluded are MOV's llA012A and llA013A which are time delayed. Results of this case are used to evaluate voltages at MCC buses to identify if there is a potential for contactors to drop out.
Running:
None.
l Off:
MOV motors IIA 012A, IIA 013A and other equipment with time delays. !
Note that when the term motor is used in this calculation, it is in reference to continuous duty i and damper motors. References to MOV motors will be specifically identified as such.
6.3.2. LOCA Block Start T=0+
l The second LOCA block start case analyzed is at LOCA T=0+ The difference between this case and T=0 case is that MOVs are modeled with current at the operator rated torque.
Refer to Section 6.4 for a description of MOV modeling.
Data File for T=0+
Starting:
Medium voltage motors (ISX0lPA, ISX0lPB, IE12-C002C, IE21-C001, and IE22-C001), 460-V continuous duty (including 1SX01PC) and damper motors, and MOV motors j ISX014A, ISX014B, ISX173A, ISX173B, IE21-F005, IE22-F004 (see Attachments 2.1 i
& 12).
Running:
MOV motors IIA 012B, llA013B (simulated in ELMS as starting). l Off:
Medium voltage motors IE12-C002A, IE12-C002B, MOV motors IIA 012A, llA013A and other equipment with time delays, arrm ooc NF-161-3 R/l (10/98) 6 IO P
DEI *T/DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET E/NSED 19-AQ-02 3 AS (main) 29 of 53 Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 The results of the T=0+ are evaluated to assess motor terminal voltages for large motors. A third time period is selected at which time some of the medium voltage motors are up to i speed. This case models some LOCA block start motors as running if they have had l
sufficient voltage and acceleration time. The results of this case are evaluated and additional l I
time periods are selected for additional cyes as required. The purpose of the multiple cases is to confirm that at some time after T=0 all motors receive adequate voltage to allow the
{
motor to accelerate within an acceptable time period.
l 6.3.3. Data File for T=3s Starting:
1E21-C001 (LPCS) and 1E22-C001 (HPCS); 460-V continuous duty and damper motors; MOV motors ISX014A, ISX014B, ISX173A, ISX173B, IE21-F005, IE22-F004 (see Attachments 3 & 13).
Running:
ISX0lPA, ISX0lPB, IE12-C002C, and MOV motors llA012B, IIA 013B (simulated in ELMS as starting).
Off:
1E12-C002A, IE12-C002B, MOV rr.otors llA012A, llA013A, and other equipment with time delays.
, 6.3.4. Data File for T=4s Starting:
1E22-C001 (HPCS); 460-V continuous day and damper motors and MOV motors ISX014A, ISX014B, ISX173A, ISX173B, IE21-F005, IE22-F004 (see Attachments 4 &
14).
Running:
IE21-C001, ISX0lPA, ISX0lPB, IE12-C002C, and MOV motors llA012B and IIA 013B (simulated in ELMS as starting).
Off: I IE12-C002A,1E12-C002B, MOV motors IIA 012A, llA013 A, and other equipment with j time delays.
l l
unmunoc NF-1613 R/l (10/98)
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DEFT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET E/NSED 19-AQ-02 3 AS (main) 30 or53 Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 i
6.3.5. Data File for T=4.5s Starting:
460-V continuous duty and damper motors and MOV motors ISX014A, ISX0148, ISX173A, ISX1738, IE21-F005, IE22-F004, llA012A, IIA 013A (see Attachments 5 &
15).
Running:
lE12.C002C, IE21-C001, lE22-C001, ISX0lPA, ISX0l PB , and MOV motors IIA 012B, lIA013B,(simulated in ELMS as staning).
Oft:
1E12-C002A and 1E12-C002B and other equipment with time delays.
6.3.6. Data File for T=5s ,
Starting: !
RHR Pumps A and B (1E12-C002A and iE12-C002B),460 V continuous duty and damper j motors and MOV motors ISX173A, ISX173B, IE21-F005, IE22-F004 (see Attachments 6.1 & 16).
Running:
IE12-C002C, IE21-C001, IE22-C001, ISX0lPA, ISX0lPB, and MOV motors ISX014A, ISX014B, IIA 012A, IIA 013A, llA012B, llA013B (simulated in ELMS as staning). i i
OfE I Equipment with time delays.
6.3.7. Data File for T=7s Starting:
460-V continuous duty and damper motors and MOV motors ISX173A, ISX173B, IE21-F005,1E22-F004 (see Attachment 7.1 & 17.1).
l Running:
All medium voltage motors, ISX0lPC, and MOV motors ISX014A, ISX0148, IIA 012A, llA013A, llA0128, llA013B (simulated in ELMS as starting).
Off:
Equipment with time delays.
t i
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l DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET E/NSED 19-AQ-02 3 AS onain) 31 of 53 Ilinois Power Company Clinton Power Station Unit i Project No. 09191-177 i
l 6.3.8. Data File for T=13s I
l l Starting:
l MOV motors ISX173A, ISX173B, IE21-F005, IE22-F004 (see Attachment 8.1 & 18.1).
l Running:
Medium voltage motors and 460-V continuous duty, damper motors, MOV motors ISX014A, ISX014B, IIA 012A, IIA 013A, (simulated in ELMS as starting) i l
OE MOV motors IIA 012B, and IIA 013B and other equipment with time delays.
6.3.9. Data File for Steady State Running:
Medium voltage motors,460-V continuous duty and damper motors, MOV motors. Time delayed continuous duty loads begin operating, but are modeled as running. The latter are OVC05CA, OVCll4YA, IVX03CA, IVX03CB, IVX03CC, IVX06CA, IVXO6CB, and IVXO6CC, per Attachment 24, 1
Off:
All LOCA-initiated MOV's have or will be stroked and are considered off.
l 6.4. Modeling of MOV's At T=0, MOV's are modeled with Locked Rotor Current. However, since MOV's start de-clutched, the motors are actually near rated speed when the clutch is engaged. Therefore, the initial Locked Rotor Current (inrush) is expected to last for less than 0.5 seconds prosided the MOV motor has sufficient torque (Reference 11.22). LOCA MOV's will generally take more than 15 seconds to complete their stroke (Ref. I1.30).
l Whether the MOV's receive adequate voltage for their torque is beyond the scope of this I
calculation. This calculation, per Attachments 0.2 and 0.3, only provides the MCC bus voltages at various points in time after a LOCA signal. This data is then used in Attachment 21, Tables 2 and 2B, to calculate the MOV motor terminal voltage. See Attachment 21 for more details.
l For more information on MOV modeling, see the following sections on initially-Closed a -
initially-Open MOV's. (Ref. I1.30 identifies the MOV's). For additional information o . ;
MOV modeling, see References 11.38 ani 11.39.
l l
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DElrr/DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET E/NSED 19-AQ-02 3 AS (main) 32 of 53 Ilinois Power Cornpany Clinton Power Station Unit 1 Project No. 09191-177 6.4.1. Initially-Closed MOV's that receive an Open signal At T=0+ (when motor terminal voltages have dipped) through T=13, MOV mot 6rs for initially-closed gate or globe valves may generally be modeled with Locked Rotor Current and at Starting Power Factor. These motors are presumed to stall until enough bus voltage is available to provide sufficient torque to unseat the valves. Section 8.4.4 cites four such MOV's.
Eventually, the bus voltages should recover from the LOCA dip. With the motor i
approaching rated speed, the initially-closed MOV's begins unseating. The MOV motors I should then draw Current at Rated MOV Torque See Attaclunent 21, Sections 6.2.4. and 6.2.5 for the voltage drop calculations. For the stalled MOV's cited in Section 8.4.4, their recovery are expected during Steady State.
6.4.2. Initially-Open MOV's that receive a Close signal At T=0+ through T=13, MOV motors for initially-open gate or globe valves are presumed not to stall. Open MOV's do not require an unseating torque during the initial start; hence they are expected to operate at 20-40% of the Rated MOV Torque until the valves approach the closed position (Reference 11.22). Attaciunent 21, Appendix B, Section 3.2 also supports this by stating that Open MOV's require about 10 to 25% of the Rated MOV i
Torque. Nevertheless, Open MOV's are modeled with a Current equal to that required to produce Rated MOV Torque, for conservatism. For example, for a 25 ft-lb. operator, the '
current associated with 25 ft-lb. is used. This is significantly higher than the current associated with the Nominal Torque (5 ft-lb) which Limitorque refers to as tive motor full-load current.
l The initially-open gate and globe valves should only require a seating torque during Steady State since LOCA MOV's generally have stroke times greater than 15 seconds. When the gate and globe valves finally do stroke close, the voltages will have improved significantly because all of the continuous duty and damper motors will have accelerated.
Butterfly valves are not torqued closed and therefore will not require a seating torque at the end of the stroke.
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. DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME 3HEET E/NSED 19-AQ-02 3 AS (main) 33 of 53 Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 I
! 6.5. HPCS Test Valves L
HPCS test valves are modeled and analyzed both ON and OFF as shown in Attachment 0.6.
The lowest voltage from the two cases is used.
A T=13 sec. case similar to the one described in section 6.1 will be analyzed with HPCS test valves removed from the block start population. Effects of HPCS Test valves actuating will be analyzed for the impact on the Division I and 2 bus voltages. The effect of the HPCS test valves is expected to be same regardless of the source, therefore only case with RAT source will be analyzed. A comparison of bus voltage with and without HPCS test valves actuating is shown in Attachment 0.4. The effect on Division 3 bus voltage is of no significance since HPCS is declared "not in operation (INOP)" during test mode.
6.6. Effect of VC Train on Bus Voltage In the ELMS-AC data files, Train A of the Control Room HVAC (VC) system is supplied from the Division I buses. In Attachment 0.1, the impact of supplying Train B of the VC system from the Division II buses was determined. In Attachment 0.1, the iesults will be used to calculate a bus voltage correction factor for each bus whose voltage would be lower when Train B of the VC system is supplied from Division II. These correction factor will be applied to the Division 2 bus voltage analysis performed using ELMS-AC data files which !
only model VC train A running. ;
l l
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1 warsunoc vame NF-161-3 R/l(10/98) 610PM
DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET E/NSED 19-AQ-02 3 AS onain) 34 of 53 Ilinois Power Cornpany Clinton Power Station Unit 1 Project No. 09191-177
- 7. CALCULATIONS 7.1. ELMS Files l
The ELMS files were created as discussed in the Section 6, Methodology. Vanous cases ,
were studied and the results documented. Attachment 0.6 provide a cross reference to the cases studied. Each ELMS file contain only one load case filed under load condition 4. '
Cases were performed with the switchyard at the minimum voltage. Beth HPCS test valves and VC trains A and B were modeled.
Following are the files:
FILE NAME BYTES DATE TIME AQ2BV33.001 257,262 3/31/02 12:32a AQ2BV33T.001 257,262 1/15/99 01:30p AQ2CV33.001 257,262 3/31/02 12:42a
_AQ2CV33T.001 257,262 1/15/99 01:32p AQ2V33.001 257,262 4/5/02 01:34a AQ2V33P.001 362,874 1/15/99 02:10p AQ2V33T.001 257,262 1/13/99 09:09a <
AQ2AV33.001 258,312 3/31/02 12:13a AQ2AV33T.001 258,312 1/15/99 01:29p AQ2AV33P.001 364,212 1/27/99 02:51p AQ2CV33P.001 362,874 1/27/99 02:43p AQ2BV33P.001 362,874 1/27/99 02:35p l STARTT10.EP2 4,404 11/13/97 10:06a AQ2 CONF.CFS 362,874 1/28/99 01:52p DIR.OUT 0 2/24/99 09:47a l
l 7.2. Bus Voltage Calculations of bus voltages and a select number ofmotor terminal voltages at various time !
intervals were prepared. Results of these calculations are included in Attachments 1 through 10 for the RAT source, and in Attachments 11 through 20 for the ERAT. The Table of Content provides a complete list of attachments.
7.3. Minimum Voltage Summaries Voltage reports from ELMS-AC analysis are summarized in Attachments 0.2 (T=13sec) and Attachment 0.3 (Steady State). The effect of the VC train is applied to the bus voltage l
determined based on the relay settings which is the limiting case. The minimum voltage is l determined from RAT or ERAT which ever is the lowest. The minimum voltage levels calculated in Attachment 0.2 and 0.3 were used to determine voltage at the MOV motors (Tables 2 and 2B in Attachment 21). j mmunoc NF-161-3 R/l (10/98)
E.
1 DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SifEET i E/NSED 19-AQ-02 3 AS onain) 35 of 53 l llinois Power Cornpany Clinton Power Station Unit 1 Project No. 09191-177 l
8.
COMPARISON OF RESULTS WITII ACCEPTANCE CRITERIA 8.1 Start Time Sequence Motor terminal voltages are analyzed at various time intervals to determine the point in time at which each motor has sufficient voltage to accelerate to full speed. !
8.1.1 Voltages at T=0 Seconds 1
1 The T=0 case models all MOV's and Continuous Duty (including Damper) motors as l starting on a LOCA signal with locked rotor current. Attachments I and 11 document the i bus and motor terminal voltages at T=0 for the RAT and ERAT sources, respectively.
The MCC bus voltages at T=0 are sufficiently low to allow some MCC contactors to drop out. For conservatism, all contactors are assumed to remain operating for the purpose of the block start analyses. This approach is conservative since it increases the total block start i
load during the first few seconds. That is, a dropout of some 460-V motors would more evenly distribute the total load over time and would allow T=0 loads to accelerate more quickly. See Section 8.3 for further discussion on contactor dropout.
8.1.2 Voltages at T=0+ Seconds The voltages at T=0+ reflect that MOVs which are not unseating are modeled operating at currents equal to that of their rated torque of associated MOVs.
i Voltages at terminals of 4 KV and 460 V Continuous duty motors are adequate to start accelerating most continuous duty motors since the torque requirements for most of the driven equipment (fans and pumps) are relatively low at low speed (see Reference 11.8 for typical curves).
4160 bus voltages range from approximately 79.3% to 81.7% of 4 KV (See attachments for actual values). The worst case cable voltage drop of a 4-KV motor feed is to the SSW l A (ISX01PA).
ur m o noc 1*J499 NF-161-3 R/l (10/98) 610 PM
__ _ _ . _ , _ _ _ _. _ __,_ _ .._ -._._._._._, _ ._ _ . _ _ . _ . ~ . . _ _ . .
DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SiiEET E/NSED 19-AQ-02 3 AS (maint 36 of 53 Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 The medium voltage pump mctors starting at T= 0+ seconds are llPCS, LPCS, RiiR IC, SSW I A, and SSW IB. The voltages and acceleration times for three of these motors are shown below:
ACCELERATION TIME (SEC.)
(4000 V Base)
Motor % Volt at T=0+ 75% V 80% V RHR IC (1E12- 82.6 3.3 2.4 -
C002C)
SSW l A 79.3 2.5 -
l (1SX01PA)
SSW IB 80.6 2.5 -
(ISX01PB)
Attachment 2.1 documents that RHR IC, SSW I A, and SSW IB receives greater than 75% i terminal voltage at T=0 l
Based on the terminal voltages at these motors at T=0+, all three of these motors are
- expected to accelerate to full speed in approximately three seconds. Therefore, the RHR IC, SSW I A, and SSW l B motors will be modeled as running for the three-second case.
8.1.3 Voltages at T=3 Seconds Bus and motor terminal voltages at T=3 seconds for the RAT source are tabulated in i Attachment 3.
The LPCS (!E21-C001) motor will be the next medium voltage motor to reach full speed.
l The voltage profile for the LPCS motor is as follows:
l 4KV 4 KV Base Y Base VOLTS @
VOLTS @
ACCELERATION TIME (SEC) @
LPCS T=6+ T=3 75% V 80% V 100*/. V 81.7 92 4.00 2.17 1.085 Based on LPCS terminal voltages, this motor is expected to accelerate to full speed in less than four seconds (approximately 2.4 seconds based on interpolation). Therefore, the LPCS motor will be modeled as running for the four-second case, which is conservative.
Most 460-V continuous duty motors are assumed to be accelerating during the time interval. <
8.1.4 Voltages at T=4 Seconds '
Bus and motor terminal voltages at T=4 seconds for the RAT source are tabulated in Attachment 4.
i mun m ooc no, NF-161-3 R/l (10/98) e10PM L __
- - _ .. --.. . . _ . - - - -- .. . .- . - _ . =. -
DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET E/NSED 19-AQ-02 3 AS (main) 37 of 53 llinois Power Company
{ Clinton Power Station Unit 1 Project No. 09191-177 I The HPCS motor will be the next medium voltage motor to reach full speed. The voltage profile for the HPCS (IE22-C001) motor is as follows:
4 KV Base ;
I VOLTS @ VOLTS @ VOLTS @ ACCELERATION TIME (SEC) l I @
I HPCS T=0+ T=3 T=4 75% V 80% V 100% V 80.3 90.3 94.6 4.78 3.12 1.560 Based on HPCS terminal voltages, this motor is expected to accelerate to full speed in less than 4 (3.75 sec. interpolated) seconds. Therefore, the IIPCS motor will be modeled as l running for the 4.5 second case to be consenative.
The 460-V continuous duty motors are assumed to be accelerating during this interval.
l 8.1.5 Voltages at T=4.5 Seconds I
l Bus and motor termmal voltages at 4.5 seconds for the RAT source are tabulated in l Attachment 5.
l The primary purpose of this case is to establish bus voltage after medium voltage motors started at T=0 have accelerated and before RHR 1A and RHR IB motors are started.
l 8.1.6 Voltages at T=5 Seconds Bus and motor terminal voltages at 5 seconds for the RAT source are tabulated in Attachment 6.1.
The RHR 1 A and IB motors are modeled as starting at T=5 seconds. The terminal voltages and acceleration times for these motors are as follows:
s 4 KV Base ACCELERATION TIME (SEC.)
Volts @ AT T=5 75% V 80% V 100 % V RHR 99.8 3.3 2.4 1.25 l 1A RHR 102.2 3.3 2.4 L25 13 Based on the terminal voltages, RHR 1 A and 1B motors are expected to accelerate to full speed in less than 2 seconds (1.4 interpolated). Therefore, the RHR 1 A and 1B motors will be modeled as running for the T=7 second case.
4 4
MASM U DOC i zwe NF-161-3 R/l (10/98) 610 PM i
DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET l E/NSED 19-AQ-02 3 AS (main) 38 of 53 I llinois Power Company Clinton Power Station Unit 1 Proicct No. 09191 177 The SSW lC pump motos (460 V) has a specified acceleration time ofless than 5 seconds at 75% voltage (Reference 11.15). The following is the voltage profile (ON A 460 V BASE) for this motor.
l VOLTS @ VOLTS @ VOLTS @ VOLTS @ VOLTS @
T = 0+ . T=3 T=4 T = 4.5 T=5 64.9 72.9 76.4 81.2 79.8 Based on calculation 19-AQ-08 (Ref.11.34), the motor is expected to accelerate at a l
reduced voltage in greater than 4.5 seconds but less than 7 seconds. The SSW IC motor I will therefore be shown as ninning for the T=7 second case.
All other 460 volt continuous duty motors are assumed to be accelerating during this time interval, because MCC bus voltages are above 75%. For conservatism no credit is taken for any of these motors having accelerated to full speed.
8.1.7 Voltage at T=7 Seconds Bus and motor ternunal voltages at T=7 seconds for the RAT source are tabulated on Attachment 7.1.
All medium voltage motors receiving a LOCA signal have been started and accelerated by T=7 seconds. Remaining analyses will concentrate on the performance of the low voltage distribution system. (The SSW IC motor was analyzed in the previous section and is excluded from the following analysis.)
All 460-V fan and damper motors are modeled as accelerating at the T=7 second time.
The continuous duty motors larger than 1 HP, which receive a LOCA signal and start at T=0 are modeled with individual motor terminal buses. The following are voltage profiles for these motors which drive fan loads.
l 460 V Continuous Duty Fan Motors l % Voltare At Time =
Motor HP Start Estimated . Min T=0+ T=3 T=4 T=4.5 T=5 T=7 time at Total Starting 75% V Elapsed Volt. %
(Att. 35) Start Time (sec)
Division 1 OVG02CA 30 9 12 -
73.1 83.3 87.7 93 91.2 93 OVG05CA 5 5.5 8.5 75 70.3 80.1 84.3 89.3 87.6 89.3 1VD01CA 125 13.6 16.6 75 68.7 77.4 81.3 85.8 84.2 85.8 IVH01CA 15 15.8 18.8 75 71.4 80.5 84.5 89.2 87.6 89.2 IVY 01C 7.5 5.8 8.8 75 70.5 79.4 83.4 88.0 86.4 88.0 l
IVY 02C 5 6.2 9.2 75 71.4 80.5 84.5 89.3 87.6 89.3 l IVY 03C 5 6.2 9.2 75 70.8 79.9 83.8 88.5 86.9 88.5 umtuooc wee NF-161-3 R/l (10/98) 810PM i
\
DEPT /DIV CALCULATION NO. REVISION ADDE.NDA VOLUME
- SHEET E/NSED 19-AQ-02 3 AS (main) 39 of 53 Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 460 V Continuous Duty Fan Motors l % Voltare At Time = j Motor HP Start Estimated Min T=0+ T=3 T=4 T=4.5 T=5 T=7
! time at Total Starting I 75% V Elapsed Volt. %
(Att. 35) Start Time
- (sec)
IVY 04C 2 12.2 15.2 75 70.6 79.6 83.6 88.2 86.6 88.3 l Division 2 OVG02CB 30 9 10 -
77.8 87.9 92 96.8 96.7 98.4 _
IVD01CB 125 13.6 16.6 75 66.9 75.2 78.7 82.7 81.3 82.7 1VH01CB 15 15.8 18.8 75 73.2 82.4 86.2 90.6 89.I 90.6 IVY 05C 5 6.2 9.2 75 71.7 80.7 84.4 88.7 87.2 88.7 IVY 06C 5 6.2 9.2 75 73 82.2 85.9 90.3 88.8 90.3 IVY 07C 5 6.2 9.2 75 72.8 81.9 85.7 90.0 88.5 90.0 OVG05CB 5 5.5 8.5 75 73.1 82.5 86.4 90.9 90.8 92.3 Division 3 IVD01CC 75 6.4 10.4
)
75 65.8 74 77.5 82.3 80.9 85.7 l IVH01CC 3 7.1 11.1 75 64.3 72.3 75.7 80.4 79.0 86.9 IVY 08CA 5 6.2 10.7 75 63.5 71.4 74.9 79.5 78.1 82.7 IVYO8CB 5 6.2 10.7 75 63.6 71.5 74.9 79.5 78.2 82.8 The " Start Time at 75% Voltage"is taken from Attachment 35. The " Estimated Total Elapsed Start Time" column is the Start Time plus any delay time when it is less than 75%
voltage. This conservatively considers that the motor did not accelerate until the 75%
terminal voltage was achieved. All motors start in less than 13 seconds except for IVD01CA, IVH01CA, IVYO4C, IVD01CB & IVH01CB. Attachment 35 performs a more detailed analysis on fam IVD01CA & 1VD01CB and concludes these fans start before 13 seconds. It should be noted that only the last two columns from Table A (Attachment 35) are used for input to this calculation. These inputs values are conservative for the following reasons. The voltage derivation is shown to be conservative in Table B, and the motor terminal voltages have improved due to the Static VAR Compensator. Refer to the recommendation Section of this calculation. Attachment 35 motor thermal damage curves demonstrate that the snotors can be accelerated for at least 20 seconds before damage to the motors occurs. Ela.> sed start times calculated are below 20 seconds. Additionally, Attachment 30 demonstrates that overcurrent device for IVD01CA & IVD01CB is adequately sized for starting the motors. Shnilar calculations cculd be performed for IVH01CA(B) & IVYO4C, but the analysis for IVD01CA & IVD01CB is applicable and sufficient.
All but two of the fan loads listed above which receive a LOCA signal were specified to be able to start at 75% of rated voltage (Section 3.2 and Reference 11.17).
l The two motors (OVG02CA and OVG02CB) for which 75% starting voltages were not I specified have maximum brake horsepower, which are significantly less (66%), than the motor rating. These motors are therefore also expected to accelerate at reduced voltage due f
marmooc t*2499 NF-161-3 R/l (10/98) 610 PM I
l l
, i 1- i
- c.
- s DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SIIEET E/NSED 19-AQ-02 3 AS (main) 40 of 53 llinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 to the large differential between motor torque and required fan torque. (Reference Attachment 35.)
All of the motors listed above are expected to start accelerating at T=0 due to the low required fan torque at low speed. By the time T=3 seconds, all of the rnotors on Division 1 and 2 have at least 75% voltage. The motors with higher tenninal voltages are expected to reach rated speed first. As these motors reach speed, the bus and terminal voltages improve for other motors which are still accelerating. Therefore, the terminal voltages on the last motors to accelerate will be significantly higher than the values shown for the T=5-13 time l
inteival which models all of the above motors as starting through the T=5-13 interval. l (Reference Assumptions 4.2 and 4.4.)
Motors 1D001PA, ID00lPB, and 1D001PC have minimum starting voltages of 75%
(Reference 11.32). Attachment 7.1 confirms that these motors receive adequate starting voltage. The manufacturers data shows that these pumps will accelerate in less than I second at 75% voltage.
8.1.8 Voltage at T=13 Seconds l
Bus and motor terminal voltages at T=13 seconds for the RAT source are tabulated in Attachment 8.1.
All medium and low voltage continuous duty motors have accelerated to rated speed for this case.
By the T=13 second time frame, the motor terminal voltages for all continuous duty motors modeled in Attachment 8.1 have recovered to greater than 90% of rated voltages. This is within the acceptance criteria for motor voltage (Section 5.1).
HVAC damper motors which operate small hydraulic pumps are modeled as starting through the }=7 second case. These motors are expected to accelerate more rapidly due to the lower WK of these loads. These motors will accelerate to speed at 80% of rated voltage. An estimate ofwhen these motors receive adequate voltage can be made by comparing ktCC l
bus voltages at the T=13 SEC time interval to bus voltages modeled in Attachment 21, Table
- 4. All damper motors receive greater than 80% voltage by T=13 seconds.
Attachment 0.2 calculates the expected bus voltage at t = 13 seconds for the RAT and ERAT. These minimum expected bus voltages exceed the minimum required bus voltages l
calculated in Tables 4 & 4C . This demonstrates adequate voltage for individual motor starts at t = 13 seconds.
8.1.9 Voltage at Steady State RAT & ERAT (4035 V)
Attachment 0.3 calculates the expected bus voltage at steady state for the RAT and ERAT.
These minimum expected bus voltages exceed the minimum required bus voltages calculated ummooc NF-161-3 R/l (10/98) 11499 610 PM
DEPT /DIV. CALCULATION NO. REVISION ADDENDA VOLUME SHEET E/NSED 19-AQ-02 3 AS (main) 41 of 53 j llinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 l t
in Tables 4A & 4B . This demonstrates adequate voltage for individual motor mnning at f steady state.
8.2. MOV Motors f
Calculated MOV motor termmal voltages (based upon bus voltages calculated in l
Attachments 7.1,8.1, and 10.1) are documented in Attachment 21, Table 2. Similarly !
calculated MOV motor termmal voltages (based upon bus voltages calculated in :
Attachments 17.2,18.2, and 20.2) are documented in Attachment 21, Table 28. These results will be utilized in calculations prepared by IPC to determine the MOV torque switch !
settings. i 8.3. 120 VAC 8.3.1. Contactor Dropout ,
MCC contactors have a tested dropout voltage of 54-58 V (45% to 48% of 120 V) ;
(Reference 29). Based on the MCC bus voltages at T=0 (Attachments I and 11), it is I possible that some MCC contactors with long control circuit lengths may drop out. This would reduce bus loading and improve starting voltages for the remainder of motors being started. As MCC voltages improve, contactors which dropped out could be re-energized.
This would add additional starting load later in the start sequence.
To assess the magnitude of running load which could drop out, the following information was obtained from calculation 19-AK-6, Revision 0, Attachment C, " Load Summary by Bus," by adding up all motor loads running for Source 3, Condition 2. Source 3 information is used since comparable data is not modeled for Source 2. These loads are the total bus i
loads prior to the LOCA block start signal. If a portion of the T=0 block start loads and the !
pre-LOCA runmng loads drop out, the resulting restarts would not add significant additional ,
starting load to any of the five Class 1E unit substation transformerr since they would ;
re-energize when some T=0 loads have reached rated speed. (Note that the following loads which are included in 19-AK-6 (Condition 2) are not included in the tabulation since they are modeled as starting in this calculation: IVY 01C through IVYO7C and IVY 08CA.)
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!!inois Power Company Clinton Power Station Unit 1 Project No. 09191-177 Unit Substation 1 A Unit Substation 1B MCC Motor Load MCCs l Motor Load (HP) gip)
SSW MCC 1A 0 SSW MCC IB 0 DG MCC1A 13.6 DG MCC IB 8.6 DMPR MCC A 4.0 AB MCC IBl 14.7 AB MCC1A1 70.4 AB MCC IB2 0 i AB MCC 1A2 0 AB MCC IB3 0 AB MCC 1A3 3.0 l
AB MCC IB4 0 AB MCC 1A4 __Q --
91.0 23.3 Unit Substation A Unit Substation B i MCC Motor Load MCC Motor Load GIP) {
GIP) l CB MCC El 35.8 CB MCCF1 0.5 CB MCC E2 41.5 CB MCC F2 43.0 CB MCC G _Q CB MCC H 0 77.3 DMPR MCC B _QA 43.9 Unit Substation C MCC Motor Load gip)
AB MCC IC 6.8 SSW MCC IC _0 12.7 8.3.2. Contactor Pickup ,
1 MCC contactors have a rated pickup voltage of 84 V (70% of 120 V).
MCC buses are required to recover to 440 volts or above after a LOCA block start to meet the acceptance criteria for maximum allowable control circuit lengths. This recovery must be achieved in approximately 12 seconds to equal the time delay on diesel generator start with loss of offsite power. The MCCs recover above the required minimum voltage.
mmuooc NF-161-3 R/l (10/98)
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Ilinois Power Company Clinton Power Station Unit i Project No. 09191-177 l 8.4. Protective Relay / Overload Relay Evaluation 1 l
l 8.4.1. Medium Voltage Motors l
The following are motor terminal voltages (as a % of rated voltage) estimated acceleration j
times, and overcurrent relay trip ames for medium voltage motors started on a LOCA signal.
OC Relay Trip Time (sec) l Equipment # T=0+ T=3 T=4 T=5 Est. Accel 75 % 80 % 90 %
l time (sec) lE12- C002A - - -
90.1 2 -
4.5 -
II",2- C002B - - -
90.4 2 -
4.5 -
IE12- C002C 82.6 Staned - -
3 -
4.5 -
IE21- C001 81.7 92 Staned -
4 -
5 -
l 1E22- C001 80.3 92 94.6 Staned 4.5 -
5.45 -
l ISX0lPA 79.3 Started - -
3 6.7 -
5.7 ISX0lPB 80.6 Started - -
3 6.7 - 5,7 I 1
All medium voltage motors will accelerate to speed without tripping the associated protective !
devices.
i l l l
l 8.4.2. 480-Volt Switchgear Motors Evaluation: IVD01CA, IVD01CB There are two loads at the 480-volt switchgear level that have less than 75% voltage for a portion of the acceleration time. These are the diesel generator room vent fans (IVD01CA and CB) rated at 125 hp. The starting time for the fans is estimated at 10 to 13 seconds (Reference Assumption 4.1). The protective device at the switchgear will trip at the reduced locked rotor current in 20 seconds. Therefore, the motor will not trip the protective device and will accelerate the load. The protective relaying curve for these loads is plotted and included in Attachment 30.
8.4.3. 480-Volt Motor Control Center Motors l
i The evaluation of MCC protective devices is outside the scope of this calculation.
8.4.4 MOV Motors The thermal overload relays for MOVs receiving a LOCA signal are bypassed by a LOCA signal. Therefore, thermal overloads for MOV motors are not a concern for this calculation.
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Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 l
For MOVs which are not required to unseat at T=0, the motor will accelerate de-clutched and will be at or near rated speed when the clutch engages. These motors will experience locked rotor current for less than 0.5 seconds (Reference 11.22 of the base calculation).
Therefore, circuit breaker tripping for these loads, due to the short locked rotor stall time (less than 0.5 seconds), are not a concern.
The following MOV motors are closed and are modeled as opening (unseating) on a LOCA signal:
MOV HP FLC LRC BREAKER SIZE RATED TORQUE CURRENT lE21-F005 2.6 7.0 38 15 19 IE22-F004 10.3 15.1 129.3 30 75 ISX173A 0.33 0.75 5.5 15 0.95 1SX173B 0.33 0.75 5.5 15 0.95 MOVs ISX173A and ISX173B have locked rotor currents less than the breaker rating and will not trip on locked rotor current.
' MOVs IE21-F005 and IE22-F004 are started at T=0 and are expected to stall at locked rotor current until the MOV motors receive adequate voltage. The allowable stall times at locked rotor current prior to Type HE breaker tripping for MOV 1E21-F005 and type TEC (Magnetic (Mag.) only) breaker tripping for MOV 1E22-F004 are calculated below:
1E 21-F005 (A) (B) (C) (D) (E) (F) (G) (H) (1)
=D*(C/460) =E/F (from nB/H curves)
Time Elapsed Term Adjusted Breaker Per Unit Time for % of Interval Time Volt LRC LRC Rating Amps Min. Trip Trip 0+ to 3 3 323.1 38 26.69 15 1.8 30 0.10 3 to 4 1 364.2 38 30.09 15 2.0 19 0.05 4 to 4.5 0.5 382.2 38 31.57 15 2.1 17 0.03 4.5 to 5 0.5 403.6 38 33.34 15 2.2 16 0.03 5 to 13 8 396.2 38 32.73 16 2.2 16 0.50 Total 0.71 l
l 1E22-F004 l
0+ to 3 3 308.2 129.3 83.3 30 2.8 Mag. Only N/A ;
3 to 4 1 346.6 129.3 62.6 30 2.1 Mag. Only N/A i 4 to 4.5 0.5 363.2 129.3 66.5 30 2.2 M a g. O nly N/A 4.5 to 5 0.5 385.8 129.3 103.8 30 3.5 Mag. Onlyi N/A warrmooc NF-161-3 R/l(10/98)
Ilo7u 9
DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET l E/NSED 19-AQ-02 3 AS onain) 45 of 53 Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 5 to 13 8 379.1 129.3 98 30 3.3 Mag. Only N/A Total N/A The breaker size for IE21-F005 is adequate if the valve starts to stroke in 12 seconds following a LOCA signal. The motor for this MOV has a safe stall time of 15 secor.ds at rated locked rotor current. Therefore, a 13 second stall time at reduced locked rotor current is acceptable. (Reference 11.25)
The breaker size for 1E22-F004 is adequate if the magnetic trip is greater than 130 amps plus tolerances.
8.5 Second Level Undervoltage Relay Setpoint 1 1.
The minimum 4 KV SAFETY RELATED bus voltage under steady-state LOCA loading with the off-site voltage at the muumum expected value is considered to be 4149 V.
Attachments 8.5 and 18.5 demonstrates that the safety related 4160 volt buses are at 4149V. The SVC also has additional capacity to increase the bus voltages higher.
Therefore, this criteria is satisfied.
- 2. The minimum 4 KV SAFETY RELATED bus voltage required to run the LOCA required equipment is considered to be 4035 V.
Attachment 0.3 demonstrates that the safety related 4160 volt buses are at 4035V or above. The calculated voltages summarized in 0.3 exceed the required voltages calculated in Tables 4A and 4B. Therefore, this criteria is satisfied.
- 3. The minimum voltage to which the 4 KV SAFETY RELATED bus recovers after l successfully starting and running all required LOCA loads is considered to be 4084V.
The second level undervoltage relay minimum pick-up and minimum drop- l out voltages, at 4KV buses, which will be used by other calculations are 4084 volts and 4035 volts respectively.
Attachment 0.2 demonstrates that the 4160 volt buses are at 4084V or above. The calculated voltages summarized in 0.2 exceed the required voltages calculated in Tables 4 and 4C. Therefore, this criteria is satisfied.
8.6 Damper Motors Attachment 21 demonstrated that the damper motors have met their acceptance criteria. The calculated voltage required at the bus was compared to the Minimum Bus Voltages tabulated in Attachments 0.2 and 0.3. Attachment 0.3, which has the lower voltages, shows that the actual voltages available at the buses do meet the minimum calculated requirements.
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- 9. CONCLUSIONS 9.1. Motor Terminal Voltages and Acceleration Times The safety related 4.16-KV Bus voltage of 4084 V is adequate to ensure sufficient voltage is provided to continuous duty motors which receive a LOCA signal to allow these motors to accelerate to full speed in an acceptable petiod of time.
The safety related 4.16-KV Bus voltage of 4035 V is adequate to provide greater than 90%
of rated voltage.: on motors under steady state conditions.
Adequate voltages are provided to all raotors at minimum expected offsite source voltages.
9.2. Analyses of MCC Contactors The voltages at som i MCC buse', at T=0 dip sufficiently low to create the potential for contactors with long cetrol circuit lengths to dropout. By T=13 seconds, bus voltages on the MCCs have recovered sufficiently, and contactors will have energized sometime before T=13 seconds at 4084 V. Voltages recover to above acceptable voltage levels on the MCC buses for steady state trip conditions at 4035 V. Relays fed from starter control transformers on these buses should receive adequate voltage. Therefore, the general acceptance criteria is met for the MCCs, the analyzed bus voltages are acceptable.
Adequate voltages are provided to MCC buses to meet the 440V criteria for offsite source voltages at the minimum expected value for 120 VAC circuits.
9.3. Protective Device Evaluations Medium switchgear protective device settings are adequate for a LOCA block motor start.
9.4. Overall Conclusion Based on current relay setting and available grid voltage, the offsite source is capable of providing adequate minimum voltage to safety related continuous duty and damper motors.
This calculation determines the MOV terminal voltages and MCC bus voltages for use in ;
MOV thrust calculations and 120 VAC device calculations. I i
MA m nDOC 294
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. E/NSED y 9-AQ-02 3 AS (mair,) 47 of 53 Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 I
- 10. RECOMMENDATIONS f
10.1 Attachment 21, Table 1 Cable Parameters
'Ihe resistance and reactance values in Table I should be revised to use IP Standards. This i will make Table I consistent with the other tables and values used in ELMS. This will have a negligible effect on the voltages.
10.2 Attachment 35 Enhancements '
The following minimum changes should be made to Attachment 35:
e add reference for the equations.
Add parentheses to the equations consistently, e Utilize the approach in Table B for all the motors, and climinate Table A. The Table B approach is easier to follow and revise, and is more closely aligned to how motors are actually selected.
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DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET E/NSED .
19-AQ-02 3 AS on in) 48 of 53 Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 l
l l
- 11. REFERENCES '
l Bgf Description l 11.1 Deleted (Calculation 19-AJ-10, Revision 1, " Permissible Length of Cable for 120-VAC Control l
Circuits" was superseded by information on the minimum voltage required for MCC contactors in Reference 11.33). i 11.2 Calculation 19-AK-06, Revision 0, Vol. AX, " Auxiliary Power System Analysis"
! 11.3 Calculation 19-AK-7, Revision 1, " Documenting Typical Values of Motor Startmg" 11.4 Calculation 19-AN-8, Revision 3, "4160-V SAFETY RELATED Switchgear Buses I Al and IBl Motor Relay Settings" l 11.5 Calculation 19-AN-9, Revision 0, "4160-V Division 3 SAFETY RELATED Bus ICI Motor Relay Settings" 11.6 Calculation 19-AN-19, Revision 2 Volume F, " Functional Requirements for First & Second Level Undervoltage Relayr at 4-KV Buses I Al,1B1, and ICl" 11.7 Calculation 19-BD-9, Revision 1, " Safety-Related Calculation for 120-VAC Relays used to Multiply LOCA Signals" 11.8 S&L Calculation 8986-15-04, Revision 0, " Calculation for Evaluation of 460-V Motor Minimum Voltage Starting Requirements" l
11.9 !
S&L DIT No. CP-EPED-0390, " Starting Voltages for 460-V Motors" (11-01-84) (Attachment
- 31) i 11.10 S&L DIT No. CP-EPED-0393, " Starting Voltages for 460-V Motors" (I l-01-84) (Attachment 31) 11.11 IPC DIT No. E-001, " Motor Current Ratings for Motor Operated Safety-Related Valves" (10-16-91)(Attachment 31) i 11.12 S&L DIT No. CP-HVAC-3914, " Start Time of IVX03CAs and IVX06As" after LOCA l Signal" (01-22-92)(Attachment 31)
I1.13 S&L DIT No. CP-PMED-3894-1, " Identified LOCA and Running Loads," 02-12-92 (Attachment 31) 11.I4 S&L DIT No. CP-EPED-0389 (Untitled), Il-01-84 (Attachment 31)
MAmnooc mee NF-161-3 R/1 (10/98) 610 PM i
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DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET E/NSED 19-AQ-02 3 AS (main) 49 of 53 Ilinois Power Company Clinton Power Station Unit 1 Project No. 09191-177 Lel Descrintion 11.15 Specification K-2828B, Shutdown Service Water Pump, Amd. 1, 05-15-79 11.16 Specification K-2900, Package Filter Units, 12-27-77 1
11.17 Specification K-2904, HVAC Fans,06-22-77 11.18 Specification K-2905B, Refrigeration Equipment,03-14-77 11.19 General Electric Company (GE) letter dated February 13,1976, from Mr. J. R. Basak (GE) to Mr. R. I. Gavin (S&L) (Attachment 31) 11.20 IPC letter, dated April 20,1976, from Mr. G. S. Green (IPC) to Mr. M. F. Lattin (GE)
(Attachment 31) 11.21 Telecon (12-6-84) Between Mr. Gibson (Buffalo Forge) and R. Beavers (S&L), on 'Ihe Starting Time of Fan IVD01CA (Attachment 31).
I1.22 90 WM 094-3EC, " Design Features and Protection of Valve Actuator Motors in Nuclear Power Plants," report by Working Group PES-NPEC-SC4.7, IEEE 90 11.23 " Standard Handbook for Electrical Engineers," Fink and Carroll,10th Edition, Page 18-41 11.24 NEMA MG-1, Motors and Generators,1987 11.25 MOV Motor Speed Torque Curves 413018-3-FT 4-20-76 (2 FT-LB) 413018-3-FS 4-20-86 (5 FT-LB Rated at 2 FT-LB) 41308-03-EM 2-24-77 (5 FT-LB) ;
M 2734 7-25-77 (5 FT-LB) 1 M 1454 7-25-77 (5 FT-LB) i 413018-3-AL 6-6-76 (10 FT-LB) 413018-3-AM 6-6-76 (15 FT-LB) 413018-3-AN 7-14-70 (25 FT-LB)
M 1463 7-20-77 (25 FT-LB) 413018-3-AP 7-21-70 (40 FT-LB) i SL-59450 6-9-75 (40 FT-LB)
SK-59454 6-24-75 (60 FT-LB)
SK-59448 5-22-75 (80 FT-LB)
SK-34181 9-18-75 (150 FT-LB)
SK-34177 9-19-75 (200 FT-LB) .
I1.26 Specification K-2976, Drawing 409402-1, Size 0,1, and 2 Overload Curve (processed 02 84) 40, Drawing 409403-1, Size 3 and 4 Overload Curve (processed 02-16-84) 11.27 Attachments 28 and 29 include references to schematics used in the evaluation of LOCA block start loads.
uun uooc NF-161-3 R/l (10/98) i =
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. t DEPT /DIV CALCULATION NO. REVISION ADDENDA
- VOLUME SHEET E/NSED i 19-AQ-02 3 AS (main) 50 of 53 i
llinois Power Company Clinton Power Station Unit 1 l
Project No. 09191-177 l l \
\ Ref Description 11.28 ELMMC Plus and ELMSACPLUS12 Version 1.2 and ELMSCOMP program and user i ELMSCOMP manuals were utilized in performing this calculation. ;
Lan Controlled Files. the Server (SOP-0402 reauirement) '
ELMSACPLUS12 Version 1.2 Sargent & Lundy Program No. 03.7.379-1.2 ELMSCOMP Version 1.0
- Sargent & Lundy Program No. 03.7.589-1.0 User 0J2895 on PC2878 Controlled Files:
Drive V: = SNLl\SYS3: \
Detailed list of controlled files omitted at user request.
End of Controlled File Information scope l
Dalg_ Files AQ2V33.001 - used for T=0+ through T=4.5 ELMS runs AQ2AV33.001 - used for T=5 through T=13 ELMS mns i AQ2BV33.001 -used for T=0 ELMS runs l
AQ2CV33.001 - used for steady state ELMS runs Base Files The base file from 19-AK-6 (ACAPV45.002) was used as the initial input file for this calculation.
I1.29 Deleted (Calculation 19-AN-6, Revision 2, " Basis for Setting the Second Level UV Relays Located at 4160-V ESF Buses I Al,1B1, and ICl" was replaced by 19-AN-19, Ref. I1.6) 3 l
11.30 Clinton Power Station ISI Program Manual, Revision 6, dated 05-25-90 11.31 Generic Letter 89-10, Scope Document, Y-97851, dated 10-03-91 11.32 K-2826A, " Miscellaneous Pumps - ASME Section III," Addendum 2 11.33 Calculation 19-AJ-70, Revision 1, "MCC Control Circuit Voltage Requirements". ( Min.
Voltage requirements for 120Vac circuits fed from control transformers) ; selected MCC's not meeting 427V).
I1.34 Calculation 19-AQ-08 Rev 0 Estimated Start Time of SSW lC Under Reduced Voltages.
I1.35 Calculation 19-AJ-71, Revision 1, " Evaluation to determine if 427 volts at the MCC Bus is adequate to ensure that 120Vac end device fed from MCC bucket control transformer will operate".
I1.36 Calculation 19-AJ-72, Revision 1, " Evaluation of the minimum voltage require at the safety related MCC buses to support the 120 volt loads fed from the MCC distribution panels".
MA M EDOC NF-161-3 R/l (10/98)
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DEPT /DIV CALCULATION NO. REVISION ADDENDA VOLUME SHEET
- E/NSED l 19-AQ-02 3 51 of 53 AS (main)
Ilinois Power Company Clinton Power Station Unit i Project No. 09191-177 L(el Descrintion 11.37 Sargent & Lundy Drawing E02-1 AP03 Rev li, " Electrical Loading Diagram, Clinton Power Station, Unit 1".
I1.38 " Application Guide for MOV's in Nuclear Power Plants", NP-6660-D, Nuclear Maintenance Application Center
' 11.39 Limitorpe Motors Bulletin, LM-77 11.40 Calculation 19-AQ-2 Rev. 2 (12-21-84) Cover sheet for Record. (Attachment 31).
I1.41 Vendor drawing VPF 3831-043, Rev.1, Nameplate drawing for Equipment No. IE22-S003.
I1.42 Record of coordination (ROC), FILE CODE D21-93(07-17)-6, By A. Haumann (IPC) on Minimum Running Voltage of NII90 Series liydramotors, Dated 7-28-93. (Attachment 31) 11.43 CPS Procedure 9051.01,"HPCS SYSTEM PUMP OPERABILITY" 11.44 Licensing memo to NRC , " Deletion of Selected Valves from Scope of Program established at Clinton Power Station for Generic Letter 89-10", Letter No. U-602399 (File Code L30),
Docket No 50-461, dated March 3,1995.
I1.45 Modification AP-32, AP-27, and AP-29 For Non-regulating Transformers and New UV Relays.
I1.46 Calculation 19-AK-01, Rev.16; " Aux-Block (ELMS-AC) Data Verification - Safety i
Related". !
11.47 Calculation 19-AK-02, Rev. I1; " Aux-Block (ELMS-AC) Data Verification Non - Safety Related".
I1.48 Calculation 19-AK-08, Rev. 2; " ELMS- AC Bus & Bus Connection Data input Sheets For The ELMS-AC Files which Model The CPS Electrical Distribution System" l
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- 12. FIGURE ",iST Fn Table of Contents and the following pages. '
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- 13. ATTACHMENT LIST See Table of Contents for the detailed listing of attachments.
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