ML20268A834
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50 DiHERENTIAL PRESSURE SWITCH fi's1 OPENS lo.HEN THE G4S PRESSURE Dan_ASES TO 5 PSI AIIOVE INLET STATOR IJArflt PRESSURE AND GI V[S ALARM "GENER'-lDR HYDROGEN PiiE;SSURE*-LOW RANGE O TO JOO PSI p S "'"'D 51 EXCITER END
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INLET ~ATER PRESSURE G,a,UUE JIANC.E 0 10
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,oo P$1G P:I:.:3..i.iO (67c-Al32)FE
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PURCHASER"S COIINECTIOII FOR INLET WATER-----......_ ~50 532
~
PRESSURE PX-328
~
1 1
PURCHASER'S COIINECT I 011 FOR GENERA TOR GAS PRESSURE PX* 329 REFER TO @) STATOR PIPING:
DC-1,,.,,3292, -3 52 Pr-u rEu cdtL:r.E-FW~GE u TJ 160 ps1c.~
PS-7 DIFFERENTIAL PRESSURE SWITCH~
COIITACTS CLOSE NHEN THE DIFFERENTIAL PRESSLR INCREASES TO 30 PSID, AND GIVES ALARM "SU.TOR COIL WATER PRESSURE DROP HIGH" ~
rs-2 DIFFERENTIAL PRESSLIIE SWITCH ~1-----
NHEN DIFFERENT I AL PRESSURE DECREASES TO 16 PSID A CONTACT CLOSES AND GIVES ALARM *STUOR COIL WATER FLOW - VERY LOW-, Alll A SECOIID COIIIACT CLOSES Alll A GENERATOR RLll8ACK IS INITIATED, SEE NOTE&,~
19 18 53 TURBINE GENERATOR 2
LS-5 54 96 THERMOCOUPLES
,:lEli'. "1C'TE I
~ /
~
LEVEL ALARM SWITCH !iii GIVES ALARM, "WATER I.INK LffiL-HIGH" LEVEL SWITCH SV-W ENERGIZES AND DE-ENERGIZES SOLENOID VALVE SV*I TO MAINTAIN PROPER WATER LEVEL IN !Ala LEVEL ALARM SWITCH 1271 GIVES AURH, "WATER !Ala LlVh-LOW" WA I ER TANK DR IIIIBINE BLDG THERIOt:TER RA~
0*11D C OPERA I I NG RANGE 0*80 C 55
~
56 TT-8'2., T5 -2 ~
'-lHERMOCOUPLE TO Jl,t[RMOCOUPLE ALARM" Si.illCH f25l IN GENERATOR AUXtLIIRT PANEL.
ALARM. Cl 0SE0 WKEN TEMPER.O.lJJRE INCREASES TO 161-F'.II.NO GIVES llLARM,
- ooTLET WATER T[MP£11lTURE - H l(w!M
~Tw-82 TURBINE END (NOT6 5)
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SEPARATE VENT TO ATMOSPtiERt 57 LEGEND
- ()4 VALVE MORIMLLY OPElrl VALVE IOINALLY CLOSED
~
VALVE ltOANll.LY THROTTLED N
~
~
SOLENOID VAi.YE
,t4, STOP CHECl VALVE
)(
OPEN DRAIN
+
ORIFICE A
RELIEF VALVE
~ PI.H' 2 STOPPED 58
=
FLOW LINE SENSI~ LINE DRAUI LUIE
© PRESSURE GAUGE 0
PRESSURE SWI !CH 4§ COIIDUCTIYIIY CELL E3 THERIOETER
~----
ELECTRICAL CONNECT ION Q
STRAINER E---
PLUG WA YER ALARMS 59 lrtOT[SI 1, 96 THERMOCOUPLES LOCATED RADIALLY IN SIAIOR COIL WATER OISCHlRC[ HOR. TH[Y AR[ eot6[CUTIY[LY frUl8[R[O Tl-IOU TO Tl-1150 AIG Tl-230 TO Tl-277.
- 2. PCIE PIPING THIS SHEET - PCIE CUSS [I]
- 3. ALL COtOJCTIVI TY CELLS ARE TEMJERATLRE CCIPENSATED TO 25 C.
ALL CCIIIDUCIIVIIY CELLS ARE COIINECIED 10 INDICATORS WITH RANGES OF O TO 2 AND O TO 20 Ml CROS I ENEIIS/CM.
<, FOR OUTLINE SEE DC-665292-10, 5, IHEIIMOWELLS IW*&T All) TW-82 ARE SEAL WELDED 10 TH[ PIPUtG.
6, REMOVA8L E SPOOL PIECES "JW" AND "FW-ARE FOR FLUSHING/DRYING, SPOOL PIECE "JIW' IS NOT INSTALLED IJU'ING NIRllL OPERATIONS Ate IS USED DURIMG FLUSHIMG/ORYII\\IG DIJIIMG Cl.lTAGE.
- 7. CORROSION tlJtUTOR/SAMJLER IS CHEMISTRY DEPT.
CONTROLLED AtlJ NlY BE REMOVED 00 INSTALLED AS NEEDED.
~ WATER Ula PRESSURE - HIGH VENT COVER < TO ATMOSPHERE l Al
~ PlW I STOPPED
~ WATER FILTER PRESSLIIE DRCP - HIGH
~ MAl[-lP WATER now - CII
~ STATOR COIL WATER FLOW - VERY LOW
[!I)
STATOR COIL WATER PRESSLR DROP - HIGH
\\61
\\ 5 WATER TANK GAS PRESSUl:E RELIEF
~
VALVE - SET AT 5 PSIG RY-9-4 5
PR£SSllllE SWl TC'k {lj] CONTACTS
\\
CLOSE tJHEN H10ROGEN PRESSURE IN ~ATER TANK REAC:HE$ 4iPSICi AND GIIIES.11.LARM *WATER TANIC lzil PRESSUQE - HIGH' P5-~
59~
58 TEST GAUGE-RANGE 0 TO 15 PSIG, Pl-I 5-,
WATER TANK PRESSUIE GAi.Ai[
- YAQUI, RANGE 0 TO 150 PSIG-30" 11G Pl-15 DIFFERENTIAL PRESSURE SWITCH (!i]
O.OSES NHEN DIFFERENTIAL PRESSURE ACROSS PUlf' DECREASES TO 20 PSI ACTUATES Pll'P "2" AND GIVES ALARM, "Pll'P I STOPPED", PS-10 IN LINE FLOW HETER/SWITCH, FIS-SH 60 ALKALIZER OUTLET COIIOUCTIVITY DIFFERENTIAL PR[SSUIE SWITCH ~
C::::=i,-[:><J-.!!..+~'-'DEMtHERAL1lER FU,_ CONOUCIIVITr CELL CLOSES NHEN DIFFERENTIAL PRESSIJIE RAN<f OTO 2 MIC00&1eMEt1&/<:M. NOl<W.L ACROSS Pll'P DECREASES TO 20 PSI OPOOTINs A&NGE 0.1 TO 0.4 Mlc<0611'M£"'-Pt ACTUATES Pll'P "I" AND GIVES ALARM, ADJUST FLOW PER CONDENSED OPUATING "PIJII 2 STOPPED". PS-I I INSlRUCTtONS.
ALARM ~
CONJ.ILCTS IN ANS-J lN!liCATCl,CCLOSE P.IHEN C(Jtj)UCTl'o'lh' IHCRE.ASES I TQ l.5 MJCtm:1""'1CM ANO Gl~ES ALARM.
\\\\ l,TATOK WA'J"CC' TANK N'A.tE'UP COh.tl>\\JC..TI \\Jlry
~lit,H..
Sii:IE NOT-. 3, I 122J99
~ IJL[T WATER T[MJERATLJIE - HIGH
~ OUTLET WATER !Elf'ERATURE
- HIGH
~ WATER TAI<< LEVEL - HIGH l!!)
WATER TAI<< LEVEL - LOW
~ STATOR WTR Tl ClJJLET CONDUCTIVITY - HIGH
~ STATOR WTR TK OUTLET COIIJUCIIVIIY
- HIGH HIGH
~ STATOR WTR TK HAlEII' COIIJUCIIVIIY
- HIGH
~ GENERATOR HYDROOEN PRESSUIE - LOW
~ STATOR COOLlltG wrR ltl.ET CONDUCTIVITY - HIGH CONDFNSED DPERAT!~G !NSTRUCTiCNS SH INSiliUCTIOH bOOK FOR COMPLETE OPE.RATJt.G ANO FL-U~.ilMi l"STRUCTIONS
- 1.
THE WATER SfSTEM IS PRESS!JRIZED \\.ilTH HYDROGEN ABOVE THE WATiR LE-'EL IU THE WATER T:ltl(.
AN AUTOMATIC H'f'DROUEN PR.ESSLiiiE REGUL.11.TOR 1"'-INTII.UIS Tii£ HYDROGEN PRESSURE Ill ZPSIG.
A <iELIEF VALV£ Will PREVENi HYDROGEN PRESSURE bUILD UP II' EXCESS Of S PSIG IN THE WATER T1Ut(.
- 2.
THE S~5TE"I "IAY BE OPERATED WITHOUT HfDROGEN PRESSuJ(JZATIOtL THIS MODE OF i.JPfRAT!OU IS tlOI RECO~OIDED S ttilC[ CORR CS I Otl ACT IVI Tr ~I LL ti[ ACCELERAT[() IN THE,PRESENCE OF AT,.,t)!lf!ti[R IC OX,"G[N.
- l.
THE 6ENERATOI' CAN BE OPERATED AT ALL HYDROGEN PRESSURES bETi..En. MAX1141J:4 6A5 PRESSURE A)H) 45 PSI&..
THE I-Ill.CHINE GAS PliESS'I.JliE MUST ilE u.il.lNTAINEO HIUHER THAN STATOR CO IL it:Lf.f i.lMIER PRESSW.E..
4.
STATOR COIL CQ0LING WUER SHOULD tiE CIIICULATED 1iliEHE~ER THE ii:NERAToa IS CAR~J'ING L0ll0.
EITHER,u"IP,IS CAPA8LE TO PROOUCE NOR!IIAL WAJER flew.
- 5.
WITHOUT STATCR COIL 1;nrn C!RCUUI.TION AND.. lllrl THE COILS FILLED \\.IITH 1-:.:'ITER.
TII[ 6£l,lfll.HOR (I\\N SAFElf CIRR'I" STATION IUJXILIARf LOAD f0II I rU.llMUM llli!t. Lt-IJNI:. HOUK lF Di£ INITIAL C~O/1/lh' Cf INLiT ""'1T£1i DOES tlOT EXCEED J.S )f~IEMliNS../CM.
Jf TKE INITIAL COrlOUCTI VIT1' D:CEEDS 1. ~ )l51E'MENS-/C11.
THE GENERATOR LO~O SHCULD BE REOUCEQ JD Lt.RD ANO ITS EXCltATtON REMOVED WllHIN THfiE£ MINUTES.
ii..
tf '-!ATER fLtl',j STOP$, THE SECOND CONJ.ACT ON Si,129~&~1t'i'i'fiiff THE AUIO'!ATIC f!1J~lBA(I( THR:OU:iH A F1YE-SEC:ON0 O[LAY RELAY.,
THE nvE-!Et()t,jD DlLA'I' IS. Tti P[R... tT lLTEflNAT[ CJACULAnt-:G Plf1P TO trmE UP T:'l SPEED
- THE C.EhEliil.TOR RUNfl.ACr f"AN 8£ ACCO"!PLlSHEO AT A.. nou* RATE Of 2DI" PD MINUTE:.
IF THE G'-NERATOR RUN.-
~ACK F".AJLS TO.;jTARr IM <45 SE;:CONDq TME GENE:R~TOR WILL SE TRIPPED. THE (:,EJJ~IQATQR FiUMBAC.W WILL et. PI.JLS'79 WITH AM OIJ*Oll[F C.VCLIC.
GRADVA.L. LOAD ~LOUtTIOIIJ,
- 7.
MD.NUil IIUNeACl ~l El£ USED TD UOID ~IP. pj!OVID'ED STATOR AMPOES. CAN SE R[tuCE:O 40S PER IIIIINUTt ()(l.lrl TO THE STAT JO~ AUXILIAP.f lOAD' IN 2.:_1/4 11iNU\\£S.
- a-.
THE UENOAT0R CAN CARRY ~~-or RATED Sf.1,TOa AJ!1PERES WITH OHE COOLfli OUY Of SERVICE.
- 1.
OHE HIJED B[D OEHINEll:IL!ZtR IS PIOR"!ALU iN SERVICE AT.l. TIM(.
Tl£ QTt:[R iiEIIIG HHD AS A SPAiiL t\\A)t'l~N FLOI.! THPOl,IGH Wt DEflililEIIALllER 15 )0 (iPfrit.,.
Tfk\\PEffAH!liE OF'\\olAT(R St'OULO NOT £XC£ED f.O*C l".AXlt't~.
SET 0£111H!EIU1LlZER FLOW RATE' Ji.S REQUIREO TO ~APIITAIN LOOP-CTJNOUCTIYIT1' AS SPECIFIED.At *tt2*.
THIS FJ..(1.1 MAY l:IE CHANGED 1:11' ALTERJNG THE P051llON Of VAL.VE 419 REP.LAC( "OE"lt-!.ERA.UZffi' BED \\..'HE!iE'w'E.R 11-iE INDICATION Dk C6NDUCTI VITY "4ETER "C.Cl
- lkCR£l<S£S iD 1. 5.)l<:.,U.t,tE},IS/01 ilT 25*C 1.1.lTH CCJ.lSTAtU' f.L0.,/ RATE.
- 10.
Ot-lE FILTER IS NOR~M.lf IN SER\\!!Ct, THE OTI-IER H£LD AS A SPARE.
~f4£NE\\1£R PRESSIJP.E OROP ACROSS lHE flLTEFI
!t!CJ!EASES Ji PSI ABO't[ ffi( NOR~IIL PRESSUl!E DROP, R£11LACE -flLTER, 11 Cifn[RITC,R l'UST BE PRESSURIZED l,UTH C.,,S BEF'ORt ~;.JOI flLLII\\G OR CIRCULATION IS SrARTED.
- 12.
CARE SHOULD tlE TAICEN TO Pfl('iENT COz FP.r.M CiJMll~U IIHO CONTACT Ul"rli~TER S1 11CE ITS PRESENCE l.llLL CRllST1~.:LLt INCREASE THE STATOR COIL w.n£R CaHDllCTIVtTY.
13 "OPE~TJO~ OF ff/E 6EN£f?A.TOI?. WITJ-/t?LJT ST4T~ COit. WATEI( CIRCI.ILATIOI,/ I~ PERl-,1/S~IB:.E Aa O!ITa/VU.} /(',/ TltE ASl)VE INf:.T~UC TION5 PROV!Of!V6-1./tJ OTHE'/f OP'El?ATIH6t CLWDIT/0)1 ~ TIIC 7lJR81N£ 0~ 6.!NEl?ATOf:' !?El{)(JJKE.$
1:~Jtl7::..~!/-N'!~ 1;;.~rl.%;f,ER TO THE 71Jf'BJNE l~T~lJCTJON &t)()K FOi'? TdRB/NE LIM/7"$
CJ.Al FILLING.INSTRUCTlCNS
- 1.
OPEN v*L.Yl !iJ2.
CLOSE 448. "424, AND. 400, AND BOLT CII el1~0 FUNC,E CLOSE 498, 4CJ9, ANO OISCOtlNECT R[HOVABL[ LIIIIK "H" WHICH rs L.OC.ATED 011.,1 TtHi C.A5 DIAC..J..-At,J\\ ~
- 2.
CLOSE VALVE 78 Nl GAS IHAGRA:1 3
OPEN 420, 421, 422, "423, 509 ANO S1 0 If'! F ! LL (10, [tjERAi..I &£ftS
- 4.
OPEN 424, c1,,nsE 4*0. 421, t122 AND 423,
S.
OPEN VALVES 402, '404,.IIOo,),NO 408.
ADMIT w.UER FR0*1 &OILER FEED S'(STE"I o~ HOUSE DENINc:RALIZEO.-llTER SYSTEM iJ OPE.Hlt-lG VALVE UT FILL StSTf~ UNTIL A FU~L STREAM DF W,HEFl FLOl,IS FR~-1 V~LVf' 512.
- b.
START EITHER PW*P,1 nR PUMP,2.::i.t.:o CONTINUE Tn VEtlT S'fln:11 WATER PftESSLJRi AT PUMP OISCH.lRGE St!Ol,IL[I NOT EXCEED tiENER.l.iOli C.JS PRE'SSURE CLOSE VALVE 431.
- 1.
OPEN ~Ot'!Et-TARILT *~ CLOSE WILVE 470. 47e, 481, 4!5,.Arm 486 THROTTLE 'JENY Y-~UE 477, 505, so,. 500, 510,.IND 509.
S.
OPEtl VAL 'fE 4J1 UNTIL,1 FULL STRE>1'1 OF l<IIATER FUll'IS OUT OF VAL VE 51 2 CLOSE Vil.LVE 4,1 AN;;i -;12 FOR PRESSURIZ~TIC~ Of WATER SYSTEM ~JTtt HYDRQG(H INST!lLL*lt:rtQ'iABl,.f LINIC ~H" $IS SHO.JH ON (,,),$ P,IAC.RAM CLQ:>E V~LVES 4441 +4-6 1 459 MD 4~
Ol'EN VALVE 78. ~ GAS Dli!GR.\\H, TO PROVIDE Hz TO l-bl.'fER SVSTrn 4
ADJUST PRESSURE RE.C,UL.AfOR "Z". ON GAS D",GRAM, TO OELtVER HYDRllGEN P,T RANGE OF l TO 5 PS11.i 5
OPEN VAL'VE 44'7,""'4i\\4Si.4nD 4i:O A"-10 ACHIT MYOA.OQ:I\\L O.
DUii Off EXCESS ~TER UNTIL. WATER LE\\IEL IS AT HIUtl LE'-l[l I" SICilH &I.ASS ey OPENING ';!LIIE 511 7
SURT fLfl:P *1 nR *2 ~NO AOJIIST U4TiR LEVEL IN l,,IT[f( TitllC TO NOi.AL LEVEL j* g1~!~L,\\~t1~fER 1~iUGH DD'IINERALIZEl2 UH.HL PRO.PEii Cll,14~ULTANCf IS CBT.. INEO ON If/LET CONl!Ue*Tl"VtTY CELL MCC2*
JO H
I~
CLOSE VALVES *02. '°'* *o*. **** *22 *** -4,21 ADAPTED FROM THROTTLE VALVE "* '"MlllJIJIII DESIRED CDIIDUCIIVll<
DC-063 2 ~ 2-l UNIT I
DIABLO CANYON POWER PLANT - PG&E CO.
TURBINE AND GENERATOR ASSOCIATED SYSTEMS DRAWING SHEET PAGE REV STATOR COIL COOLING WATER DIAGRAM WESTINGHOUSE ELECTRIC CORPORAi ICIII IIILE
~~NEG~- :=J_j 102022 5
0 62 INPGIC 1 Size 02-03-2020 AJFJ FXC2 DATE OWN RE N/A IV NOT REQUIRED PER CF3. 1D5 Revised Per DFT-7*5089 PROFESSIONAL ENGINEER PE DISC.
D C
B A