ML23241A106

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7 to Updated Final Safety Analysis Report, Chapter 7, Figure 7.3-48, Drawing 441245, Revision 30, Sheet 1, Electrical Schematic Diagram Generator Control
ML23241A106
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 441245, Rev 30
Download: ML23241A106 (1)
v • d • e


Text

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X SNRE lJN IT TR IP CONTROi SW ITCH 5G2ICS WI TH RED OVAL HANDLE, SPR ING RETURN TO NORMAL, USED AT LOC. _fQ MAIN Tl(ANSFO/IIMER SIIDD£A/ PRESS/JR£ TRIP PHASE A f'HAS£ 8

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~-------,f----ullD.. SHtflDAT M TH ENPJ NOTES :

I.

FOR WI R I NG OF THESE POLES SEE DWG.

44 1247.

2.

TEST RELAY CONTAC T OPEN DUR I NG TEST.

3. SET SEQUENT I AL CONTAC TS I 8, 2 FOR SIMULT ANEOUS OPERAT ION.
4. ADJ UST MI N. PIC KUP TO 70 VOLTS AT JOBS JT E.

86G2 87G2 87XG2 81YG2 87U2 UNlTOVERALL DJFFERENTJ ALRELAY 2

FORCOIL SEEREF,24 87XU2 UN IT OVERALL DIF FERENT IAL 25V DC WAR 606B0 17A09SEENOTE4 AUX, RELAY 552X 500KVP.C. B. AUX. RELAY 552Y I 500KVP. C. B. AUX. RELAY 5 11BFX I 500KV HVCB642BREAKER FAI LURE

- 642 AU~. REL AY 58 7-2A 500KVLJNE 0IFF, RELAY SET A 594L-2D DJR,OC&GNDJR,OC RELAY 24 CCtHACT CLOSED WHEN 500KVBKA CLOSED CONTACT CLOSED WHEN BOTH 500KVBKRSOPEN K635 SEQUENTI AL TRI P AUX, RELAY 3 1,32,39 cctmcr rs cLosrn 43U2/RCO RELAY CUTOUT SW ITCH 24 111JEN Tl.llB INESTOP VALVES ARE CLOSED OR ONAUTOSICfLO -PRESS 594G2 SOOKVBKR FAI LURE TI MER/L INE 25VDC W AR 606B0 I 7A09 SEE NOTE 4 CHANNEL ' A' TRIP RELAY 89XO 25KVJSO-PIIASEO ISCOIIH.SW.AUX,SW.

25 AR440AR 62AMG2X HI PRESS.ANTI - MTR AUX. RELAY 20VAC WAR OXP - 2/K]OVEREXCJTATION TRIP RELAY PS]O HJ PRESS.ANTI-MTR PROTECTION 66 3298 OWG06 I 236 CLOSEONDECR.

DWG I08004DIFF. PSIO MA TCH t------~ B ~w ~~

Pl RE FER ENCE DWGS.:

4 I E/ASX FI ELD BREAKER AUX. RELAY 94LSL2 LOSSOFSYSTEM LOADRELAY 25V DC WAR 552Y3 500KVA1 R CKTBKRAUX.RELAY PS329X MAJNTURB INEAUTOS TOPOIL PRESS.AUX. RELAY 59 4L - 2A 500KVLINE SET ATR IPRELAY 594L - 2B 500KVLINE SETB TR]P RELAY I,

DESCRI PTI ON OF ELECTR I CAL SC HEMA TI C DJAG,, SYMBOLS & CI RCUIT OES lGNATIONS-- OWG, No, 050003

2.

SINGLE LINE METER 1, RELAY DI AGRAM GEN., MAIN TRANSFORMERS&: EXC I TAT I ON----OWG. No. 44 1226

3.

SCHEMATI C DI AGRAM -

GENERA TOR CONT ROL------------------------- OWG. No. 441 245

4.

SCHEMATIC DI AGRAM -

GENERA TOR CONTROL------------------------- DWG. No. 44 1246 5,

SCHEMATI C DI AGRAM -

TURBINE CONTROL-------------------------- OWG, No, 44 1253

6.

SCHEMATI C DI AGRAM -

TURB I NE CONTROL--------------------------OWG. No. 44 1254

7.

SCHEMATI C DI AGRAM -

TURB I NE CONTROL-------------------------- OWG. No. 44 1255

a.

SCHEMATIC DI AGRAM -

BRUSHLESS EXC IT ATI ON CONTROL------------------ DWG. No. 44 1248 9,

SCHEMATI C DI AGRAM -

BRUSHLESS EXC IT ATI ON CONTROL------------------ OWG, No, 44 1249 43 43 SEENOTE6 CONTACT CLOSED WHEN BOTH 500KV BKRSOPEN CONTACT CLOSEO c4S PS IGOECREAS ING

10. SCHEMATI C DI AGRAM -

MA IN TRANSFORMER COOLING PHASE ' A" -------------- OWG. No. 40 18482 & 40 18483 SCHEMAT I C DI AGRAM -

MA I N TRANSFORMER COOL I NG PHASE ' B'-------------- DWG. No. 40 18484 &: 40 18485 SCHEMA TI C DI AGRA M -

MA IN TRANSFORMER COOLJNG PHASE *c*--------------owc. No. 40 18486 &: 40 18487 I I, SCHEMATIC DI AGRAM -

I 2KV BUS SEC TI ONS D &: E AUTOMATI C TRANSFER --------owe. No. 441 350

12. SCHEMATI C DI AGRAM -

4 160 V BUS SECT IONS D & E AUTOMATIC TRANSFER ------- OWG. No. 44 135 1

13. SCHEMATI C DI AGRAM -

4 160 V BUS SECTI ON F AUTOMAT I C TRANSFER ---------- owe. No. 44 1352 14, SCHEMATI C DI AGRAM -

4 160 V BUS SECTI ON G AUTOMATI C TRANSFER ----------owe. No. 44 1353

15. SCHEMATI C DI AGRAM -

4 160 V BUS SECTION H AUTOMATI C TRANSFER ----------owe. No. 44 1354

16. SCHEMATI C DI AGRAM -

SOOKV SWI TCHYARD - SOOKV BREAKER FA I LURE HVCB ---------- DWG. No. 4101942, 410 1943,4 101944

17. SCHEMATI C DI AGRAM -

SOOKV SWITCHYARD SHEET No. 32 ----------------- 0WG. No.

4 35 48 18, SCHEMATI C DI AGRAM -

SOOKV SW I TCHVARD -HVCB BRKR CONTROLS AND CONTRACT TABLES---- DWG, No, 4098858.4098834, 4098835, 4098854

19. SCHEMATI C DI AGRAM -

AUX. TRANSFORMER No. 2 1 &: ASSOC, CIRCUIT BREAKERS ----owc. No. 44 1347

20. SCHEMATI C DI AGRAM -

AUX. TRANSFORMER No. 22 &: ASSOC. CI RCUIT BREAKERS ---- OWG. No. 441 349 2 1. SCHEMATI C DI AGRAM -

GENERATOR CONT ROL------------------------- OWG. No. 44 124 7 22, SCHEMATI C DI AGRAM -

SEAL OI L, STATOR COOLI NG

&: HYDROGEN CONTROL SYSTEM ---owe. No. 44 1250

23. SCHEMATI C DI AGRAM -

SEA L OI L, STATOR COOLI NG&: HYDROGEN CONTROL SYSTEM --- owe. No. 441 25 1 24, SCHEMATI C DI AGRAM -

GENERATOR

&: MA IN TRANSFORMER -----------------owe. No. 44 1244 25, SCHEMATI C DI AGRAM -

25KV !SO-PHASE BUS MOTOR OPERATED DI SCONNEC T SWITCH---OWG. No. 44 1267

26. SCHEMATI C DI AGRAM -

MA IN ANNUNCI ATOR ------------------------- OWG. No. 500 783,84,90

27. SINGLE L INE METER

&: RELAY DI AGRAM I 25V DC SYSTEM------------------ OWG. No. 44 1240

28. DELETED
29. LI ST OF EOUJPMENT LOCATI ON CODES---------------------------- OWG. No. 1030 13
30. SCHEMATI C DI AGRAM -

500KV SWITCHYARD SHEET No. 37 (ANN ALARMS )--------- DWG. No. 443552 3 1, SOL I D STATE PROTECTI ON SYSTEM -

MFR DWGS----------------------- REC, No, 66323 1

32. FUNCT IONAL DIA GRAM -

MFR. DWGS ----------------------------- REC. No. 663 195

5. SET I CS TARGE T ON 2 AMPS TO PREVENT JCS SEAL I N WHEN 43U2 l S IN TEST.

33. SCHEMATI C DIAGRAM -

OEH INPUTS ANO OUTPUTS---------------------- OWG. No. 452665, 44 15 17, 44 15 18.44 1209 34, SCHEMATI C DI AGRAM -

TURBINE GENERATOR JNSTRUMENTATJ ON -------------- OWG, No, 44 126 1 6. ADJ UST MI N. PIC KUP TO 70 VOLTS OR GREAT ER AT JOBSJTE.

EQU IPMENT LOCA TI ONS :

~

GEN, AN T I - MOTOR I NG PRESS,

SW., LOCAL LY MOUN TED ill EXCI TAT ION SW I TCHGEAR CUB ICL E No.

I Q.g GENERATOR CONTROL CONSOLE Q;i CONTROL BOA RD MA I N GENERATOR RG GENERATOR RELAY BOARD

.Jiu TERMJNA L BOX No. 7 500KV SWYO

.filLJ.§ 500KV RELAY BOARD No.

16 500KV SWYO TQMA MA I N TRANSFORME R 2A CONTROL CABIN ET

~

RAC K NUC L EARSAFEGUA ROOUTPUTA

=*

35. SINGLE LINE METER&: RELAY DI AGRAM I 20V I NSTR. AC SYSTEM -------------owe. No. 44529 1
36. SCHEMATI C DI AGRAM -

TURB I NE LUBE OI L PUMPS --------------------- OWG. No. 44 1260

37. SCHEMATI C DI AGRAM -

BRUSHLESS EXC IT ATI ON CONTROL------------------ OWG. No. 44 1256

38. SCHEMATIC DJ AGRAM -

! SO - PHASE BUS COOLER*---------------------- owe. No. 44 1268

39. SCHEMATI C DI AGRAM -

SSPS OUTPUT RELAYS, TRAIN A, TRA I N B ------------owe. No. 503089,503093

40. SCHEMATI C DI AGRAM -

HEA TER 2 DRAIN TANK PUMP No. 2 1 ---------------- owe. No. 441 276 4 1. SCHEMATIC DI AGRAM -

CNDS & CNDS BOOSTER PUMPS-------------------- DWG. No. 44 1274 42, SCHEMATI C l,IJR ]NG DIAGRAM -

MFR OWG, -------------------------- owe. No. 663356 -4 3

43. SCHEMATI C DI AGRAM -

SOOKV SW ITCHYARD -------------------------OWG. No. 4022489

44. SCHEMATIC DI AGRAM -

500KV SW ITCHYARD UNIT 2 500/25KV TR BK N0.2 500KV LINE ANNUNC I ATION AND RECORDING ANNUNC I ATOR I NPUTS ------------ DWG. No. 443552 KEY DWG.

SECTI ON _ 5 _

UNI T 2 SCHEMA TI C DI AGRAM GENERA TOR CONTROL

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B C

P.G.t.E. SYSTEM PHASE SEQUENCE A-C-8 30

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