ML20246A022
| ML20246A022 | |
| Person / Time | |
|---|---|
| Site: | Limerick  |
| Issue date: | 04/28/1989 |
| From: | Hunger G PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 8905080145 | |
| Download: ML20246A022 (23) | |
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PHILisDELPHIA ELECTRIC COMPANY 2301 M ARKET STREET P.O. BOX 8699 PHILADELPHIA A. PA 19101 1215)841 4000 April 28, 1989 Docket No. 50-352 License No. NPF-39 U.S. Nuclear Regulatory Commission ATTH: Document Control Desk Washington, D. C. 20555 i-
SUBJECT:
Limerick Generating Station, Unit 1 Response to Request for Additional Information Concerning the 4kV Bus Undervoltage Relay Setpoint Calculations
Dear Sir:
Technical Specifications Change Request (TSCR) 89-03, submitted March 23, 1989, proposed changes to the 4kV bus undervoltage relay setpoints specified in Section 3.8 of the Limerick Generating Station (LGS) Technical Specifications (TS).
During review of this TSCR, the NRC technical reviewer, Peter Kang, requested Philadelphia Electric Company (PECo) to provide the supporting setpoint calculations.
This request was initially made during a conference call on March 29, 1989, between i
Dick Clark, LGS Project Manager, NRC, Peter Kang, Electrical Systems Branch, NRC, and Rod Krich, PECo with PECo support personnel. Amendment 18 of the LGS TS, issued on April 14, 1989, approved TSCR 89-03, and reiterated the request for the setpoint calculation on page three of the Safety Evaluation Report.
The attached calculation is provided to satisfy this request, as originally agreed to in the March 29, 1989 conference call.
If you have any questions regarding this information, please contact us.
Very truly yours,
.h f.h.
G. A. Hunger, Jr.
Director Licensing Section Nuclear Support Division l
l Attachment cc:
W. T. Russell, Administrator, Region I, USNRC h68 T. J. Kenny, USNRC Senior Resident Inspector, LGS f
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cat.C.RO. /,36 0 E23 nay, so, 3 l!/ D b b /o[2 as/4 L CHECKED 4FU DATE OR IG IN ATOR___ M DATE PROJECT / lhf 612.lf.ll - O MtY$ f II 7 JOB NO. S01I SUBJECTJAl LLS TON /E UA! Mf2VOLrAGd 47 v t>V SHEET NO. // 0F /2 1 a 3 C.> ba V. 12.'7 E, \\(o24, i l(o29 s Dev.127E M64AM TVP4 ! TT4 TY Pd r 76 - 2 T H e a 7 C, A T*. 40. l+ / / T ro 3 7 5 8' E At4 s,6 7o,80,,90,100 i t o, T 12C V TAPS j o reasrla. E00K : IS 7. 4.. I. 7 - 7 i,5 5 U E D 10. 11 P.T. it. AT/ o : 42co/lzo v = 5 5/t 13 tz.A.v 6 (> s;ou.t c,E VcLTAG d - 4 Vooy 13 tc. AT6,2> SECCA).AA2p votrAG'.s : /416 OY/3 5. = II i.9 '/ b 10 56YT/A)6 crtsvertlA : Se r To PICK uP AT 9 4.,5 ]. ( l. o o S 7 .94%) R ATE D SovRCE YoL.TAhE;.WHi(H PR o r$ 007 18 47 99.5 y of Picx of VOLT A6E 19 ao l P a c ic o f S E 77 iw4 :.965 Alig.9v R ATEp sec.y : a#2.76y pgoP ouT S E T T swG .9 95 x i s t.36 v = 1: 18 o V 21 aa 23 %d7 AT n'lov TAP ANb AhTVSTTE6LAN To 24-citrA,uq i 12.. 7 C y f i. c, y,. v P 25 36 MALM$tg og sto LTA(,, f S g y YlN S *. 27 pggg ggqylc4 5, y/./ 6 AA gg tpAQ M con 7ANUoOS E05 voLTAv.6 : 0.97 9. X Aifoo /120/4200 : Iri.IJ V as SeconbAny, A Lt.ovas,4 c, so rr.3 To R s.4AY Tc4E* Aracd, as 30 INE R E t. A Y O R o r but V o t.T A G E S E T T I N G:ll 2.IE A,9 9 7 X. li
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x C e qg L t o A y 4 A I ( ( g R 1 0 1 SC YDU TS E N O 55 T 55 77 S 72 99 L 905 L 7. 7 I 2 9 18 M 9, 9 - .O0 3 R _1 6 0 , O E 0 6 6 364 M 3, 4 6 4 4. 4 32. 0 ,074 R 2 O 24 6 6 6 1 12 ,37 ,06 F ,4 46 4 ,2 S 3, 4,. 8 78 43 8,484 7403.. N 41 8 077 7 A 0 6 4 ,6 , 8 ,4 4. 5 R 1 ,14 4. ,4 42. 351 6 3718 8 A61 1 7 124567 4,, T 2 8 8 8 533629A,,,. T55 0 ,C E 7 404 ,4 48 4 ,2 646053T 98 A202 96042 .P PCCC38 UN11 2., 4, 0.A 66,57 A D034 00021 /O2A,60 .P H,HLMN62 0 H,020 A9 8 212 1D830 65 T 100300 SI 0S12 ,8 T,2E.B246,000 011D0272 337606 A D 0000 D A 0..,. ,R23167 AS&S401 12021&5 E. i l 0 1A D,, E0 ONY1U 22 5021 1TTP ,1 52363M .1 1 TSOI ,9 B ,B1 BP1 IIM GS0B ,AU 62 DI 1 CC0R0BP0P0PNNI 3,317026R 4 DB,G061 28226 ASDAF1L2T20P2 5PUU 66 082754O DEY0S M 2 OA' E076793021F 0 0 N72941003120 IDW1EPFC C C C L 0 R 'r F' L9840 0.S000000EG3I45000000000 115 1N001001LN5N10000000000 S MSCLCCAC 0TSSP0 LS VVUEMAMLVMT WEEM 115 A11 11 BI0N ,AW .U ,R LUVKFP C EV I CS1R T UBK26 VVIVVHVSKEVVS F 0 1R00P00C0 4C00 01246 3 5 00000000OOO 33.H88Y88E8G.V88 468711111 191251 214R44T,44M4M2S44 1 1234567890123456 355699135 222333 23456789012 1111111 111 1234567890123456 123456789 123456 12345678901 1111111 H'l 7 r a c n a - O c - H a 4-r r - J1 A RY-OB-T AD- _ NE- _ IK- - GC- - IE- - RH-R - OC-1 0 - 3 1 - 2 S - E C - Y - 3: - D U - >3 T S 4 - - o1 - E - N N O - CE-T - LM-S 0000000000000000 - AI - L R 0000666666660066 - CT-L O 0200444444443344 I TV M OK 0344000000002200 M 31 9-R 2 8 - E 9 - M R - O F S 4000000000000000 N 0066888888880088 3 - A S 1211444444444444 0-R UV - O T BK 434400O0000022O0 - N: - 11 E-U 2 - BT- / - OA-S D - JD-R N O = O C 2 A E D 0 C ) T R A 1 2 P PCC E 7 A - 1 O A 0 P H HLM SX 92 D T - 0 L 0S 2 H 020 A 26 AS R-2E B2 6 000 011 B 10 DTI 1 - L S S&S 01 12021&5 00 AAL - V0-L E Y1U 22 5021 1TT A OD E - E1 - U Y S0B B B1 BP1 II V c. 1 CC0R0BP0P0PNN M L T L - RS-F RU I C-A S DAF1L2T20P2 5PUU 0 T N Y0S M 2 OA 0 GOP F ) 12O0NTT - 9 A O W1EPFC C CCL0RFF
- 1 20 IAU F
- 9E-D I S MSCLCCAC 0TSS A( 21,,TRO O - 0L-T VVUEMAMLVMT WEE TUR 00 RE - AI - T A VKKP C EV AP 00ANS D - EF-U N K26 VVIVVHVSKEVV D TEU N - ( P G E 0 1R00P00C0 4C00 ,,,S G B E M-N I M 33.H88Y88E8G.V88 Z - PO-I S A 214R44T44M4M2S44 0000 - OR-E N E O 7 - RF-T D L T P 1 - D N 3456 - TA-I S M 1111 - LT-R U R I - OA-P B E 0123456 S + B 1234567891111111 + M - VD- + M + O + U + R 2345 1 + N + F 1111 ,i i1 i a C e TS n LU a B = = A = = = T - O = r H A t 010374 737012 - JT 578806 EX 340443 RY-S A 071077 OB-B ~ T AD-A NE-V IK M 866068 S GC 330667 E - IE 0 237605 E - RH-0 031076 R - OC 1R G 010011 E - 3 D - 2E '0 00-000500 0 - 04 = P 755755 - 3: - A 972877 0 T 990999 - >3 - V 001000 = 4 - E - O1 - L - N G N - CE-A - LM-000000 - AI - L 000000 - CT-O 000000 U P T 000000 0 9-3 8 - 5 9-652096242869300 0 204300021102600 - 030000000001000 010374 1 ) 100000000000000 737012 EQ 578806 S 000000000000000 340443 = 3-A E 0-B X 071077 G - O A - N: - A T E-V L - BT-M O - OA-0 161028226481200 V - JD-0 729410031202000 1 450000000002100 ( 100000000000000 866068 35166 330667 UP 24527 237605 P 00000OO0O000000 33659 031076 1 46003 R 1 010011 0 21201 S R-U 1 - B - V0- - E1 - A RS-52333 A A 000000 T C-F AAAAAAAAAAAAAAA A -)> P NNNNNNNNNNNNNNN 17056 T V 000000 82724 A M 000000 A D - 9 93001 D 000000 T - 9E-A D - 0L-R E F 000000 O EF-V 11501 R M 000000 D A AI - A M X 111111 S L - ( M R U M-O B G - PO-D AAAAAAAAAAAAAAA 01246 F N - OR-A NNNNNNNNNNNNNNN 11111 S 3 5 G I - RF-O N O 191251 N N - D L A T I N - TA-R W U - LT-T S R - OA-135 + M + + - VD-012345 99111 + O 222333 + + S 234567891111111 + R + + U + F + + B 'n s n n a __O r _ H g-r g-A __J.y- _RY- _OB- _TAD- _NE- _IK-GC- _ IE- _ RH-V 4 6 3 9 _ OC-6 6 5 1 R 7 7 7 5 _ 3 O 9 9 9 9 _2 _E-T O 0 0 0 0 _00-M _ 04 - _ 3: - _ 64 - _ >3 - E 0 6 2 5 3 6 L 0 8 7 7 2 4 - _O1 G _N 1 N 0 4 6 6 9 A _CE- _ LM-1 E _ AI - 0 G 0 4 0 7 2 _ CT-0 A 3 6 9 7 2 0 T 5 7 3 3 1 L 0 9 9 9 9 9-O V 1 0 0 0 0 8 - 9- ? _ 11 = N S E _ 3 - O E V 44 766496 950130 221 3 _ 03 - I Y I 00 224361 900450 044 6 _ 81 - T T
- 11 807402 034000 100 4
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3 - 0 - R ? A *.. E D S E S00 000000 000000 000 0 _ O L E T R U _ N: - E R L B E C I U _ BT-C U S G _ OA-A Q S E N- _ JD-O E N R I88 914725 662140 210 4 D N R O W88 276882 228960 199 0 N I S55 745603 356000 300 0 A W T L
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- 30. 70, 80. So,100,110 f
l T 18 6 14 TIME TAPS 12 5 / 5 10 5m E / / 3 4 / / 2 2 e p1 a 0 0 0.2 0.4 0.6 0.8 1.0 HLTIPLES OF TAP SETTillt THISCURVE ALSO APPLIES TYPE ITE 27 UNDERVOLTAGE RELAY TO THE UNDERVOLTAGE INVERSE (MEDIUM TIME) ELEMENT OF ITE 27/50 UV/OV RELAY. Tve soss17 MAY 1,1975 s .?.. _a .. n.. .. e e.. ~ A T' T A M M M - [.4 b IB 7.4.1.7-7 single-Phase Voltage Relays
- A 3, 6
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.go. = = _ _ = = _.. ,.... ~ 100 ^ l -l l l l l 6a.i. l .=l l \\. I 1 1I ~ 60 i i j .1 60 \\ { o 1 i j I l l i i s; i l i i I l\\ l l l l l l 40 = 1 l \\1 I I ll I I 30 l l l l l l %1 I I II O 300 30 60 12 0 190 l Normalized Frequency Response - Optional Harmonic Filter Module ( Figure 5: 50 I.4.1.7-7 !+ ike ' Single-Phase voltags Relays ,e page 5
- s'..-----.----------------------- ------------- ---------------------------------------
SPECIFICATIONS A7 7Acyp F M T 7.f "~s i -Input Circuit: Rating: type 27N' 150v maximum continuous. C ALc
- 63 00 E 2 3 type 59N 160v maximum continuous.
Burden: less than 0.3 VA at.120 vac. i Frecuency: 50/60 HZ. Taos: available models include: 60, 70, 80. 9a. 100. 110 volts. Tyce 27N: pickup
- 70. 80
- 90. 100. 110, 120 volts.
crocout-60 70
- 80. 90, 99 cercent of ottkuc.
30
- 40. $0. 60 cer:ent of pickuc.
[' Tyce 59N: D1ckuc - 100. 110. 120. 110. 140. 150 s:'*.s. dropout-60, 70 80- 90 99 cercent of : a:Fue. Ooerating Time: See Time-voltage enaracteristt: Ourves tMat fo11cw. Instantaneous mocels: 3 cycles or less. Reset Time: 27N: less than.2 cycle 2 5 "d : less tnan 3 c :'es. ~ (Tyce.27N resets *nen incut voltage gees aoove picruc' i+t seg. (Type 59N resets wnen input voltage gces belcw droccut si;"Ing.' l l Output Circuit: Each contact 4 120 vac e 125 vde e 250 vdc 3.0 amos. 30 amos. 30 amos, triccing duty. 5 amps, 5 amos. 5 ames, continuous. 3 at:s. 1 amo. 0.3 ame. cres*, res*stive. 2 anos. 0.3 amo. 0.1 amo. break, inca:tive. Operating Temperature Range: -30 to +70 deg. C. Control Power: Models available for Allcwacle variation; 48/125 vde 0 0.05 A max. 48 vde nominal 38-58 v:: 48/110 vde e 0.05 A max. 110 vde 88-125 vec 220 vde e 0.05 A max. 125 vde 100-1=0 vs: 250 vde e 0.05 A max. 220 vdc 176-246 vc: ~ 250 vde 200-280 yd: Tolerances: (without harmonic filter option, afte 10 minute warm-vo) j and dropout settings with rescect to printed d'ai marktrgs Asckup "(factory calibration) = +/- 25. temc e ratu r e-Pickuo and dropout settings. repeatability at constant anc constant control voltage = +/- O.1%. (see note below) ~- dropout settings. repeatac11ity cser " allowable" dc ::ntrol Pickuc and i power range: +/ 0.14. (see note belowl ) Pickup and drocout settingl. recentactility cver temperature -n ge: a -20 to +550C +i- 0.4% -20 :: +700C +/-0.7% O to +400C +/- 0.2% (see note belowl 1 the three tolerances shown should be censidered indecen:en* an: I 1 Note: may be cumulative. Tolerances assume pure sine wave Inout s1gnal. Tima Dalay: Instantaneous models: 3 cycles or less. Definite time mocels: +/- f G cercenc or +/-20 nn )17 secs. ] 4 whichever 1s greater. I i1 Harmonic Filter: All ratings are the same except: l (optional) P1ckup and dropout suttings. repeatability over temperature range: 1 0 to +550C +/- 04 75% -20 to +700 C +/-1.55 l +10 to +400 C +/- 0.40s f-Dielectric Strength: 2000 vac. 50/60 Hz., 60 seconds, all circuits to ground. l Seismic Capability: More than 6g ZPA biaxial broadband multifrecuency vibratton without damage or malfunction. (ANSI C37.98-1978) l 1 __i_____________________ _ _ _ _ _