ML18044A850
| ML18044A850 | |
| Person / Time | |
|---|---|
| Site: | Palisades  |
| Issue date: | 05/07/1980 |
| From: | Huston R CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | Crutchfield D Office of Nuclear Reactor Regulation |
| References | |
| TASK-08-01.A, TASK-8-1.A, TASK-RR NUDOCS 8005120440 | |
| Download: ML18044A850 (5) | |
Text
consumers
. Power company General Offices: 212 West Michigan Avenue, Jackson, Michigan 49201
- Area Code 517 788-0550 May 7, 1980 Director, Nuclear Reactor Regulation Att Mr Dennis M Crutchfield, Chief Operating Projects Branch No 5 US Nuclear Regulatory Commission Washington, DC 20555 DOCKET 50-255 - LICENSE DPR. PALISADES PLANT - ADDITIONAL
.INFORMATION ON DEGRADED GRID VOLTAGE*
8005120 ~~()
Consumers Power Company was requested, during a May 5, 1980 telephone conversation between NRC (I Ahmed) and CP Co (SR Frost), to submit set point settings for specific undervoltage relays.
Settings for the bus lC undervoltage relays, the start-up transformer undervoltage relays and the bus lC second level undervoltage relays are provided in the attachment to this letter.
Rage W Huston Senior Licensing Engineer CC JGKeppler, USNRC NRC Resident Inspector-Palisades Attachment 3 Pages I
Consumers Power Company Palisades Plant Undervoltage Relay Settings Data Sheet SS No 401 Rev 0 SS No 401A Rev 0 SS No 402 Rev 1 May, 1980
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SYSTEM PROTECTION - SETTINGS.
-Plant PALISADES Bus lC ACB Voltage 2Iioo VOLT MCC Protected System BUS lC UNDZRVOLTAGE Q Listed YES Notes:
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- Protective Device
- IAV5L~E Pl' ~TIO 2400/12QY Unit, Phase or Zone Function or Element Setting Acceptance Criteria X-PHASE DROPOtrr 93V 89-CJN LEVER 5
CAJ~IBRATE 230C't'@l.i6. 5V 217-253CY VERIFY 408CY@70V 327-489CY Y-PHASE DROPOUT 93V 89-97V LEVER*
5 CALIBRATE 230Cl@46.5V 217-253CY VERIFY 408cY@70V 327-489CY Z-PHASE DROPOUT 93V 89-97V LEVER 5
CALIBRATE 2~0CW46. 5V 217-2'51CY VERIFY 4o8CW70V 327-489CY MFG Pole Type Breaker Cat No.
Frame Deta NA Size Range Trip Time CT Ratio Motor HP Volt FLA_
Data NA RPM Frame ENCL LAA -
NEMA Code SF Starter MFG
- NEMA Size Type Data NA Cat No..
OL HTR Short Circuit Data 20 MVA 3-PH.ASE MAX. GEN.
- indicates Addition or Change Since Last Issue Specifications SS No.
4ol Revision No.
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LABORATORY TECHNICAL SERVICES - TEST RECORD.
Plant Procedure No.
Revision No.
Lab Procedure No.
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P:ant FC or MO No.
Reference Documents AS FOUND AS. LEFT 1v-1 Accept Status Setting Variance In Out In Op Setting Variance CALIBRATED TEST EQUIPMENT USED Description CP Number Cal Due Date iNrfiiiiWA11
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SYSTEM PROTECTION - SETTINGS LAOOi~ATOIW TECHNICAi. SEIWICES - TEST RECORD f alisades Plant Bus __._lC ACB
..mt Proceduro No.
Revision No.
Voltage 2400V MCC -
Lab Proc;;cfi;;*o f'lo.
Revision No.
Prottl<:ted System Bus lC Second Level Undervoltege Plant FC or MO No.
a Listed Yes Notes:
127-7 8 Reference Docurnent5 Protective Device __ I.T:E=.2-7D ___ c_at_._ __ Jlo~.21JJll!l.t5. -
AS FOUND AS LEFT 1vi Accept St"J tus Unit, Phase or Zone Function or Element Setting Acc.iptance Criteria Sotting Variance In Out In Op
. s~tting Varii:nce X-Phase PUV/TD llOV/4 :-
Dropout 109.6V 109.. 8-1Q.2~V Time Delsw 0.5 S~c 0 'i-o_._8.__Q.e_c__
Pickup lll.6V 113.6-109.6V
'Y-Phase PUV/TD HOV /4 Dropout 109.6V 109. 8-109. 5V.
Time Delav 0.5 Sec 0 5_-0. 8 Sec Pickup
- 111 6V ll3.h-mo 6v I
Z-Phase.
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Dr on out 109.6V 109. 8-109. 5V Time Del av 0 5 S"'"
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Pickup lll.6V 113.6-109 6v MFG Pole Type CALIBRATED TEST EQUIPMENT USED Breaker Cat No.
Frame Description CP Number Cal Ou~ 0Jte Data NA Size Range Trip Time
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Data NA RPM
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Starter MFG NEMA Size Type Remarks 1;11r1 f"i!r-.*-
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Short Circuit Data 90 'f.vf'IA 1-Phflqp M;:nr GPn
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SYSTEM PROTECTION - SETTINGS
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J.lc, ~~ACB Palicad~s Plant -------------- Bus Voltage __
2_1+0_0_V_o_l_t_s ____ MCC ------------------
Protected System Startuo Transformer Undervoltage
- a Listed _Y=e-'-s _____ Notes:
127-5 U, 12 NGV~3AllA PT Ratio 24oo/l2JJV Unit, Phase or Zone Function or Element Setting Acceptance Criteria X-PHASE
- Y-PHASE 70-lOOV Dl'op-Out Time Inst@OV 4 Cy or Less Z-PHASE 70-lOOV Drop-Out 8o.75-89.25v Time Inst@OV 4 Cy or Less MFG Pole Type Breaker NA Cat No.
Frame Data Size Range Trip Time CT Ratio Motor HP Volt FLA Data NA RPM Frame ENCL LAA NEMA Code SF Starter NA MFG NEMA Size Type Data Cat No.
OL lffR Short Circuit Data. GO MVA :i-Phase Max Gen "Indicates Addition or Change Since Last Issue Specifications SS No.
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Plant Procedure No. ___________ Revision No.
Lab Procedure No.
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Plant FC or MO No.
Reference Documents AS FOUND
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Accept Status Setting Variance In Out In Op AS LEFT Setting Variance CALIBRATED TEST EQUIPMENT USED Description CP Number Cal Due Date Remarks Test Completed by----------......,.., ___ Date L.