ML23241A116

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7 to Updated Final Safety Analysis Report, Chapter 8, Figure 8.3-1, Drawing 441226, Rev. 34, Sheet 1, Electrical Single Line Meter and Relay Diagram Generator Excitation Main and Auxiliary Transformers
ML23241A116
Person / Time
Site: Diablo Canyon  
Issue date: 05/25/2023
From:
Pacific Gas & Electric Co
To:
Office of Nuclear Reactor Regulation
Shared Package
ML23241A052 List: ... further results
References
DCL-23-044
Download: ML23241A116 (1)
v • d • e


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~~I-T-~~:.e_ MAIN TRANSFORMER \i"HT TRANSDUCER TOTLH
su~ING&-AUXILIARYTRANSFORHER22Yil/HTTRANSOUCER SYSTEHiSCALING;.._AUXILIARYTRANSFORMER22XillATTTRANSDUCER

[NETWCJRK~AUXILIARYTRANSFORMER211i"ATTTRANSDUCER 14ATCHCIRCLE REFN0,3 MITCH CIRCLE REFN0.4 EEW30 FLEX OISCL!Nl 420KV 11' EQUIPMENT LDCA TI DNS

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-:~~R:~~~R~~~~R~~N~R~~N~~~~D CONSOLE CH-STATION ELECTRIC CONTROL BOARD Efw16-COl+I.JNICATIONTONERECEIVEREaUIPMENTRACKl6 f/:illf -g~~L~sgp~m~~~GR8i~INET IN 12KV MG0S-2SKVIS0PHASEBUSDISCONNECTSWITCHM0TOR PCS-MAINTURBINECONTROLSYSTEMCABINET TRFM PMf35-MECHANICAL PANEL NO. 235 U1:m!lTRANSFORMERRG GENERATOR RELAY BOARD T

5O0VA RVH -STATIONELECTRICALRELAYBOARD'D' 1:1 SEI-EXCITATIONSWITCHGEARCUBICLEI 120VAC

~-GENERATOR NEUTRAL TRANSFORMER CUBICLE TQA21-AUXILIARYTRANSFORMER21CONTROLCABINET TQA22-AUXIL!ARYTRANSFORMER22CONTROLCABINET TQA22RXl,RX2-GROUNDRESISTORCAB4KVAUXTRANSF22X m~J:::~~!B::~** 0.9DPF

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  • T~:~;F 4 22Y TGMA-B --- MAIN TRANSFORMER 0A HV BUSHING ADAPTOR TGMB-8 --- MAIN TRANSFORMER 08 HV BUSHING ADAPTOR TGMC-B --- MAIN TRANSFORMER 0C HV BUSHING ADAPTOR TVA2I-A,B1,C---AUX2ITRANSFORHERHVBUSHINGADAPTORSPHASEA,B&C THA22-A,B&C---AUX22TRANSFORHERHVBUSHINGADAPTORSPHASEA,BiiC EIBAUX---DOBLEINTELLDIAGNOSTICDEVICEFORAUXXFMRSHVBUSHINGS EIBl-tl---DOBLEINTELLDIAGNOSTICDEVICEFORMAINXFMRSHVBUSHINGS rnaPPMI ---500KVOPENPHASECH.I rnOPPM2---500KVOPENPHASECH.2 LEGEND DEVICE TABLE OF DEVICES DESCRIPTION RATING MFR CENERATOREXCITATIONFIELDAMMETER 0-I500A CENERATOREXCITATIONFIELDAMHETER 0-I500A AUXTRANSFORMERN0.22AHMETER 0-3000A TYPE CATALOG OR REF DWG UNITFREQUENCYMETER 50-70HZ l'ESTINGIIOOSEKR3-24I 7I4B538AIO SYNCHROSCOPE I20V-60HZl'ESTINGIIOOSE Kl-24I I86A235AOI GENERATOR NEUTRAL VOLTMETER o-Iov,o-Ioov GENERATOREXCITHION FIELD VOLTMETER 0-150 GENERATOR PM GENERATOR VOLTMETER 0-600V REGULATOR BALANCE VOLTMETER I5-0-I5V SYNCHRONIZING!RUNIBUS/LINEYOLTMETER 0-I50V l'ESTINGIIOOSE KA-24I 29IB46IAl2 SYNCRONIZING(INCOMING>CENVOLTHETER 0-1501/

l'ESTINGIIOOSE KA-24I 29IB46IAl2 AUXTRANSFORMERN0,2IVOLTMETER 0-ISOV AUXTRANSFORMERN0.22VOLTMETER 0-ISOV PULSE INITIATOR I20VAC l'ESTINGIIOOSE C0-2I IIIC285 REMARKS IOOMVSHUNTDC IOOMVSHUNTDC I2FORAIIXTRANSFOIIER21)

BUILT-IN POWER SUPPLY I000-0-IOOOMVARl'ESTINGIIOOSE KP-24I 409C7IIA62 2ELEMENT,30 AUXTRANSFORMERN0,2IVARl'ETER AUXTRANSFORMERN0.22VARMETER 0-40MVAR 2 ELEMENT,30 0-ISMVAR 2ELEMENT,30 0-ISOOMW l'ESTINGIIOOSE KP-24I 409C7IIA37 2ELEMENT,30 AUX TRANSFORMER NO. 21 WATTMETER 0-60MW AUX TRANSFORMER NO, 22 WATTMETER 0-25MW 2ELEMENT,30 2ELEMENT,30 GENERATORWATTHOURMETER S7.7-240V,2.5.I.ISEAIIIWIIOOII ALPHA P3FB0I00 3ELEMENT,4WIRE AUXTRANSFORMERN0.2IWATTHOURMETER I20V,2.5Al'ESTINGIIOOSE D2B-2F AUXTRANSFORHERN0.22WATTHOURMETER I20V,2.5Al'ESTINGIIOOSE 02B-2F AUXILIARY POTENTIAL TRANSFORMER II5-II5/66,SY GE YT-I557 UNITFREQUENCYTRANSDUCER 55-65HZ EST'EllllE-AllllS 2ELEMENT,3WIRE I2FORAUXXFMR22l USEDIIITHYTD&\ITD 2926048G09 (FORGENVARMETER) 760X99GI 30 l'l-'r' MM6284B GENERATOR VOLT TRANSDUCER lllllER[IISC*

000I2SB ORVTIIIIA2 I ELEMENT s

BUSHINGCAPACITANCE&POWERFACTORTAP

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FIBER/ETHERNET MEDIA CONVERTER

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AMMETER TRANSFER SWITCH

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VOLTMETER TRANSFER SWITCH

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---jlf-@1, LIGHTNING ARRESTER ii OPERATING COUNTER NOTES I. XLWV3IK5A2DOESNOTREQUIRETHEUSEOFANEXTERNALPHASESHIFTING TRANSFORMER FOR VAR METERING.

2. TEST SWITCHES FOR 24.25/IA & 30/IA AUX CT'S ARE IN 'ISOLATE" POSITION, THEREARENOCURRENTCONTRIBUTIONSFROMAUX TRANSFORMERS2I &22TOTHEUNITOVERALLDIFFERENTIAL RELAYS87U2&87UH2.
3. ISO-METERING IS NO LONGER FUNCTIONAL, REF. NOTIFICATIONMS0536645.

REFERENCES DWG NO, I. DESCRIPTION OF ELECT SCHEMATIC DIAG, SYM:lOLS Ile CKT DESIG ___ 050003

2. LIST OF EQUIPMENT LOCATION CODES ________________ I030I3
3. SINGLE LINE METER Ile RELAY DIAG I2KV SYS BUS SECT D Ile E ____ 441227
4. SINGLE LINE METER Ile RELAY OIAG 4.I6KV SVS BUS SECT O Ile E ___ 441228
5. SINGLE LINE METER Ile RELAY DIAC 500KY SWITCHYARD ________ 56654 6.DELETED
7. SINGLE LINE DIAGRAM FOR STATION AUXILIARIES __________ 441220
8. MFR owe. UNIT AUX TRANSFORMER 21 li!ANUAL ____________ 6015581-11 9.ISO METERING MFR Dir/GS ______________________ 6015565-12
10. OPEN PHASE PROTECTION MFG DWGS _________________ 6024618 AUX TRANSFORMER NO. 21 WATT TRANSDUCER I20V,5A lllllER[IISC*

0001590li XL3Il5A2 2 ELEMENT,30 AUX TRANSFORMER NO. 22 WATT TRANSDUCER I20V,5A lllllER[IISC*

0001590li XL3Il5A2 2 ELEMENT,30 AUXTRANSFORMER22GROUNDRESISTORBANK 4I60V,340!11'ESTINGIIOOSE W/VAR TD DEH INPUT GENERATOR WATT/VAR TRANSDUCER I20V,5A IN:S~EIES PWV l'W/I20AC,5.l./2-20mV3ELEMENT,30 lE/I2CM:/SPC/SM DWG.602050I-54 43PW MAINTRANSFORMERTESTSWITCH GE CPOIID 40G2 GENERATOR LOSS OF FIELD RELAY 2.03-569,0.l'l-lH l'ESTINGIIOOSE KLF-I 2926333AIO 4IE AIRCIRCUITBREAKEREXCITERFIELD 600V,I600Al'ESTINGIIOOSE DB-50 EXCITATIONCl.l!ICLE 49HVAT2IWINOINGTEMPDETECTORAUXTRANSFORMER2IH,V.

QIJALITROL 104-318-01 REFS 49LVAT2I1/INDINGTEMPDETECTt1iAUXTRANSFORMER2I LV, QUALITROL 104-318-01 REF.8 49AT22X,Y

\IINDINGTElt'DETECTORAUXTRANSFORlf:R22 49MT WINDING TEMP DETECTOR Ml.IN TRANSFORMER 50NAT22X INSTRUMENTNEUTRALOVERCURRENTRELAY I-4A WESTINGIIOOSE SC 1876047 SONAT22Y INSTRUMENT NEUTRAL OVERCURRENT RELAY I -4A l'ESTINGIIOOSE SC 1876047 SISTU2 UNITSTARTUPOVERCURRENTRELAY 0.5-2A l'ESTINGIIOOSE SC 1878393 59NG2 GENERATORNEUTRALOVERVOLTAGERELAY 5.4-20V l'ESTINGIIOOSE CV-8 I83A205Al5 sv 1956708 59STIG2 UNITSTARTUPOVERVOLTAGERELAY 70-I60V l'ESTINGIIOOSE sv 1876094 59ST2G2 UNIT STARTUP V/Hl OVERVOLTAGE ALARM RELAY II~08\ I.t/1t~Z GE s,v I2STVIIAIA CV-25 90B572A22 63AT2I AUXTRANSFORMER2ISUDDENPRESSURERELAY REFS 63AT22 SUDDENPRESSUREDEVICE 900-009-63 64G2 GENERATORFIELDGROUNDDETECTOR 663293-26 78G2 GENERATOROUTOFSTEPRELAY 663102-64 BEl-8I0/U 290B225AIO 1875376 292B024A09 SIRU UNITRUNBACKRELAY 32G2A,B GENERATOR REVERSE POWER RELAY I20VAC l'ESTINGIIOOSE CRN-I 2908038A09 RFMl,2 RADIOFREQUENCYMONJTOR IS0-I,2 ISO METER I20V ~ WIRE 30 PS I GUAD 4+

REF. 9 5B7-2A,2B SOOKV TIE LINE DIFF RELAYS 125 voe GH:-ALSTIOI LFCBI02 663102-63 REC NO.

AUXTRANSFORMER22X AUXTRANSFORHER22Y STARTUP ONLY RUNNING STARTUP ONLY STARTUP ONLY ALARM ONLY SHORT TIME AUXTRANSFORMER2I AUXTRANSFORMER22 MAIN TRANSFORMER TRIPSUNIT'S500KVBKRS 0,I4AMINPICKUP PART OF GEN STATOR COOLING PROTECTION BTAGDMCONN

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MAIN TRANSFORMERS HY BUSHING CAP TAP DOBLE 03c_ I45I _0I BTA COM CONN

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I 46TGM-I 500KV OPEN PHASE CH.I I PASSIVE DETECTION)

I25VDC

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  • Ill.IN 500KV MIDWJ.Y TRMISFOliMER BUSl<<l,I LINEl<<l.2 SYNCHRONilINGPOTENTIAL CAUTION: THE46DEVICE MAY BE A SOURCE OF ENERGY.

KEY DWG. SECTION_I_C_

I ~6TGM-2 500KV OPEN PHASE CH,2 I PASSIVE DETECTION)

I 25VDC I 46TGM-I I 500KV OPEN PHASE CH. I IACTIVE DETECTION I I 25VDC 1:-=~s CRI0-9068 I 0 l

~6TGM-21 500KV OPEN PHASE CH,2 IACTIYE DETECTIONI --~~~~--~~~~~:~-~0~1----1~--------------

,crr-ll SC-SCIENTIFIC COLUlflUS,AN ESTERLINE CO.

UNIT 2 SINGLELINEHETERANDRELAYOIAGRAM GENERATOR EXCITATION MAIN AND AUXILIARY TRANSFORMERS 34

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