ML18038A128

Forwards Response to IE Bulletin 79-27 Re Electrical Buses Powering safety-related & nonsafety-related Instrumentation & Control Circuitry.Info Suppls Util 851104 Response

ML18038A128
Person / Time
Site:	Nine Mile Point
Issue date:	01/17/1986
From:	MANGAN C V NIAGARA MOHAWK POWER CORP.
To:	ADENSAM E G Office of Nuclear Reactor Regulation
Shared Package
ML17055B229	List: ML17055B228 ML18038A128
References
CON-IIT07-450-91, CON-IIT7-450-91 (NMP2L-0588), (NMP2L-588), IEB-79-27, NUREG-1455, NUDOCS 8602100282
Download: ML18038A128 (213)

Text

IREGULATO~INFORM*TION DISTRIBUTION TEM(RIDS)ACCESSION NBR:8602100282 DOC.DATE:'86/01/17 NOTARIZED:

NODOCKET0F'SCIL:50-410NineMilePointNuclearStationeUnit2iNiagaraMoha05000410AUTH.NAMEAUTHORAFFILIATION M*NGAN>C.V.NiagaraMohawk.PowerCorp.RECIP.NAMERECIPIENT AFFILIATION ADENSAMiE.G.BWRProspectDirectorate 3A(s

SUBJECT:

ForwardsresponsetoIEBulletin79-27reelectrical busespoweringsafety-related 8cnonsafet'-related instrumentation 8ccontrolcircuitrg.

Infosupp1sutil851104response.

~gp/cr/i0DISTRIBUTION CODE:B001DCOPIESRECEIVED:

LTR/NCL1ZE:TITLE:Licensing Submittal:

PSAR/FSAR Amdts5RelatedCorrespondence NOTES:RECIPIENT IDCODE/NAME BWRADTSBWREBBWRFOBHAUGHEYeM01BWRRSBINTERNAL:

ACRS41ELD/HDS3IE/DEPER/EPB 36NRRBWRADTSNRRPWR-BADTSNRR/DHFT/HFIB NIRGFILE04IBEXTERNAL:

24XDMB/DSS(AMDTS)NRCPDR02PNLGRUEL>RCOPIESLTTRENCL11+11<1lo2'2+1lcR1loI1loj1loRECIPIENT IDCODE/NAME BWRPD3PDBWREICSBBIJRPD3LABWRPSBADM/LFMBIEFILEIE/DGAVT/GAB 21NRRPWR-AADTSNRRROE'.LNRR/DHFT/MTB NRR/DSRO/RRAB RGNiBNL(AMDTS ONLY)LPDR03NSIC05COPIESLTTRENCLlo1ia11o1lo1colaTOTALNUNBEROFCOPIEBREQUIRED:

LTTR,PfENCL MRg*'RI,llM*IMR*4hf"4

'7MIIASAIRA QPgQOQQgNIAGARAMOHAWKPOWERCORPORATION/300 ERIEBOULEVARD WEST,SYRACUSE.

N.Y.13202/TELEPHONE (315)474-1511January17,1986(NMP2L0588)Ms.ElinorG.Adensam,DirectorBWRProjectDirectorate No.3U.S.NuclearRegulatory Commission 7920NorfolkAvenueWashington, DC20555

DearMs.Adensam:

Re:NineMilePointUnit2DocketNo.50-410EnclosedistheNineMilePointUnit2responsetoI.EDBulletin79-27requested byyourstaffduringtheInstrument andControlSystemsBranchAudit.Thisinformation supplements ourpreviousresponsedatedNovember4,1985.tencopiesareprovidedforyouruseandinformation.

Verytrulyyours,C.V.MangSeniorVicePresident NLR:jaEnclosure 1233Gxc:R.A.Gramm,NRCResidentInspector ProjectFile(2)'l'IZz~//se~Pr"~

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DearMs.Adensam:

Re:NineMilePointUnit2DocketNo.50-410EnclosedistheNineMilePointUnit2responsetoI.E.Bulletin79-27requested byyourstaffduringtheInstrument andControlSystemsBranchAudit.Thisinformation supplements ourpreviousresponsedatedNovember4,1985.Tencopiesareprovidedforyouruseandinformation.

Verytrulyyours,-)ij((lLIWLtl,C.V.ManganjSeniorVicePresident NLR:jaEnclosure 1233Gxc:R.A.Gramm,NRCResidentInspector ProjectFile(2) 1J 2VBB-UPSlC TESTSUMMARYpage1Purpose:ToprovethattheDClogicpowerfortheExideUPSispoweredfromtheB-phasemaintenance supplyandthatifatransient occursonthemaintenance supplyitcaneffecttheDClogicsuchthatitwilltriptheunit.Thistestisdonewiththeoldinternallogicbatteries andthenrepeatedwithnewones.EachoftheinvertertripswillbetestedtoverifythateachcircuitisstillintactexceptDCOV.AnACinputtransient toUPSwillbesimulated toverifythattheunitcan"rideout"anormalACinputtransient withouttripping.

TheK-5relaypickupanddropoutvoltagesandtheDCtrip-point oftheDClogicwillberecorded.

ResultsSummary:1.)XtwasverifiedthattheDClogicpowersuppliesarefedfromtheB-phasemaintenance supply.2.)ArapidopenandclosingoftheupstreamnormalACinputbreakertotheUPSwasdoneandtheunitdidnottriporgoonbattery.Nonoticeable effectwasseenontheUPSoutput.3.)EachinvertertripcircuitexceptDCOVwastestedandeachfunctioned asdesigned.

4.)Fasttransient tests:Withtheoldbatteries stillinstalled avoltageinterruption of100-150msecdurationwasgiventotheACinputtotheDClogicofUPS1C.TheDClogicwasinitially at19.86VDC.Theunittripped3outof4times.Thiswasdonefirstwiththeloadsonmaintenance supplyandthenalsowiththeloadsonUPSpower.Withthenewbatteries installed therewasnotripwhenthefasttransient testwasperformed 25successive times.TherewerenotripsbutarepeatedSCRshortalarmoccurredwhichisindicative ofnoisespikeswithintheunit.

page25.)TheK-5relaydropoutwasrecordedandwasfoundtobebelowthetrippointoftheDClogicpower.6.)Normaltransfers weredone,UPStomaintenance andmaintenance toUPS,withdeadbatteries andtherewerenotripsoftheUPS.Themaintenance supplywasopenedwiththeUPSfeedingtheloadsandnoUPStripsoccurred.

CONCLUSION Thistest.provesthattheDClogicpowerisfedbytheBphasemaintenance power,andthatitissusceptible tovoltagetransients onthemaintenance supply.Itmaybesusceptible toothertransients aswellbecauseitisdirectlytiedtomaintenance supply.ThetestDOESNOTprovethelevelofsusceptibility, thatis,itdoesnotprovethatthetransient wasofanysetvoltageorduration.

Thetestimpliesthatthebatteries mayhavemitigated thetripbutisnotconclusive.

Eachtripcircuitwastestedsuccessfully sonofailuretoanyoftheseoccurredthatcausedthetrip.Thefastopen/close ofthenormalACinputbreakerprovesthattheunit.wouldwithstand anACinputtransient withoutfailureorwithoutgoingonbatterypower.

Numerical Results:1.)FastTransient Tests-a.)Withexistinbatteries-page32.)Withloadsonmaintenance:

At19.86VDC(90.0VAC)-~vari(150msec.)At19.86VDC(120VAC)-~tri(150msec.)WithloadsonUPSpower:2Tries,1~tri(200msec.)b.)Withnewbatteries-1.)Approx.20.0VDC-25times,~notri.(100msec.)2.)TheDClogictripsat<16.9VDC.(with84.59VAConinput).3.)K-5relaydropout-45VACK-5relaypickup-**notrecorded4.)Thefollowing tripstestsweredone:a.)OV/UVb.)ACUVc.)ACOVd.)DCUVe.)Frequency failf.)LogicFailureg.)Powersupplyfailureh.)Clockfailure5.)Theinternalbatteryvoltagewasmeasured:

Positive-+0.6Negative-+0.04

5.)Xndividual cellvoltages:

page41.)2.)3.)4.)5.)6.)OldBatter,Voltae1.192.482.240'70.791.78NewBatterVoltae6.106.076.106.096.106.12 lg1 3.OG%RA45~RF6 VK%K:,>>~8r>>QiQsMECHANIC%.

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~~)I ATTACHHENT 1<Cont)~~has%DrN)~SeCtlon2~P2ot2ROxxdofMansTaken(SetaredmatingtramPtemredTroubleshooting nadySSS.)~Peu~r"-6-o~>o'$8-XO/FMMPP~r-i$~uSJ4w4'~-iu'MCow~cim/~~cWLv4/3/59=@Weir.e>/r~)rt~i.DA~c~/ayJg/.ClSystemaComponent was'htt'As Found'age 9At-5.4.2Rev02 h

On8/15/91,troubleshooting wasdoneon2VBB-UPS1C asfollows:a.)b.)WiththeunitonnormalACwithDCandmaintenance available anOV/UVsignalwasgenerated byopeningtheCB-3toggleswitch.Theunittransferred tomaintenance withoutgenerating atripsignal.ThisverifiesthatanoutputOV/UVwillnotcauseatripsignaltobegenerated.

WithUPS1Conmaintenance A27-S1wasopenedwithA27-CB1closed.ThelogicpowerfortheUPSwentdeadanditshouldn't have.ThisisevidencethattheUPSinternalbatteries aredead.WhentheUPSisdowntheinternallogicisfedbyarinternalpowersupplywithinternalbatterybackup.WhentheisUPSonlineanauctioneering circuitshouldpowerthelogic.Thisauctioneering circuitwasverifiedtobeworkingbyde-energizing themaintenance supplywiththeUPSrunning.Whenthiswasdonethelogicremainedpoweredup.Althoughthisisadeficiency itwouldnothavecontributed totheincidentbecausetheauctioneering circuitisworking.(WR'sarewrittentoreplaceallUPSinternalbatteries).

c.)d.)Withallpowersourcesavailable themaintenance supplyfeedwasopenedtoverifythesyncmonitorcircuittotheUPS.Whenthebreakerwasopenedthevoltagedifference alarmcameinandtheunitsyncindication wentout.Onreclosing themaintenance feedittook10-15secondsfortheUPStore-synctothemaintenance supply.WiththeloadonUPSwiththeUPSrunningonnormalACandtheDCbreakerclosedthemaintenance supplyfeedwasde-energized.

ThenormalACwasfeedwasopened.TheunitranatfullloadoffDC(500amps)for10-15minuteswithnoalarmsandnotrips.e.)Putunitonmaintenance supplywithUPSrunningoffnormalACandCB-2(DC)open.OpenedthelogicpowerandverifiedthatCB-1willtrip.g)h.)Putoutputonmaintenance supply.WithunitonnormalACandwithDCbreakeravailable, theACoutputwasloweredontheUPS.TheACundervoltage (ACUV)alarmsignalwasgenerated at182vacandafterapproximately 10secondstheunittripped.RestoredunittonormalACwithDCavailable, loadonmaintenance.

Raisedoutputvoltageto220vacandtheACovervoltage (ACOV)tripoccurred.

UnitwasagainrestoredwithunitonnormalACandDCavailable, loadonmaintenance supply.LoweredtheDCundervoltage (DCUV)causedatripat93vdc.

i.)Duetothepossibility ofdamagetotheunittheDCOV(DCovervoltage wasnotverified.

Itwasdetermined alsothatthiscondition wasveryunlikelytohaveoccurred.

j.)TheUPSwasinitsnormalconfiguration onnormalACwithDCandmaintenance available.

TheupstreamACinputbreakerwasopenedandclosedthreetimesasrapidly's possible.

Thiscausedanaudible"bump"totheinputtransformer oninrushcurrentbuttheunitdidnottransfertoDCnordidittransfertomaintenance.

Thisverifiesthatunitcanmaintaintheloadunderinputtransients.

Thisdoesnotnecessarily simulatetheactualtransient theunithadseen.

Pfrel/1IWRf190938,troubleshooting planresults,p~51.)2.)UPS1Cvisuallyinspected.

WiththeunitrunningonnormalpowertheK-5(logicpowersupplyinput)relayisenergized.

3.)Openedthemaintenance supplyfeedtoUPS1C(CB-1,2VBB-XD501).K-5relayde-energized.

ThiswasverifiedbyopeningandclosingCB-1on2VBB-XD501 whilewatchingtheK-5relay.Readtheoutputparamaters withUPS1Cmaintenance supplyopen:Voltage:Phase1toGND:118.5vacPhase2toGND:119.5vacPhase3toGND:121.4vacFrequency:

DCLinkVoltage:59.91cycles140.08vdc4.)Reclosedthemaintenance supplyandtheK-5relayre-energized.

Thisisverification thatK-5preferstobepoweredfromthemaintenance supplyfeedanytimethatpowersourceisavailable totheunit.TheSCRshortlightilluminated whenthemaintenance feedwasrestoredtoUPS1C.5.)Afterashortdurationwiththeunitrunningnormallyandnotestevolutions beingdonetheunittripped(CB-1trip,CB-2trip,CB-3opened)andtheunittransferred tomaintenance.

Thefollowing alarmswereindicated:

1.)FREQUENCY FAIL(onA13A21)2.)MODULETRIP3.)INVERTEROVERTEMP4.)INVERTERLOGIC5.)SCRSHORTNOTE:Thistrip,though,notpurposely initiated atthistime,isindication thatatripsignaltotheA13A21cardwillinitiatealogictripandtransfertheunittomaintenance successfully.

6.)PushedtheresetontheA13A21card,SCRshortclearedbutnootheralarms.7.)OpenedtheP6plugonCB-48.)TurnedoffA27-CB1andA27-Slkillinglogicpower.9.)TurnedonA27-CB1andA27-S1(Thiswasdonetoattempttoresetthelogic.)10.)Thefollowing alarmscamebackin:1.)FREQUENCY FAIL(A13A21)2.)MODULETRIP3.)INVERTEROVERTEMP4.)INVERTERLOGICNOTE:Thefactthatthealarmswerereinitiated whenthelogicwasre-energized isindication thetripstayslatchedineveniflogicpowerislost.11.)Unlatched themotoroperatoroffCB-$.12.)Re-installed theP6plugtoCB-4.Theoperatordidnot

reposition it'.self.

13.)Resetthemotoroperator~f50of/7/~gbackonCB-4y~a~n~~u8/~8/~rO/q/~

V1, Reprintofpages7-13ofTroubleshooting Plan-WR8190938~18,1991l.OpenP6Block.2.OpenlogicpowertoUPS1C.3.Resetovertempswitch.(NOTE:ITISNOTDEFINITETHATITWASTRIPPED.)

ResetovertempswitchonLEGk4.4.PutA13A20onextenderboard.5.Restorelogicpowerandtracefreq.failsignalthroughA13A20.Replacechipsasrequired.

Whenlogicwasrestored-alllightswererestored.

6.Restorecardinslot.7.Restorelogicpower.Attempted torestartunit-closedCB1,pushedmoduleonandmoduletripped-freq,failedalarm,overtemp, moduletrip,Inverterlogicalarms.Noovertempswitchespickedup(testeachwithfluke).SeeStep4a(nextpage) 1I WR8190938TROUBLESHOOT SHEETPage8August19,19914a.Turnofflogic.,4b.PutA13A20onextender.

4c.Resetlogicpower-moduleonlighton4d.PINS16and46onA13A20okayStoppedtestingtorepairA13A20board.16-low46-high

WR¹190938TROUBLESHOOT SHEETPage9August19,1991Chips¹1and¹4(UlandU4)ReplacedonA13A20.1~OpenP6block.2.OpenlogicpowertoUPS1C.3.PutA13A20onextenderboard.5.Restorelogicpower.NoalarmfoundA13A20chipsUlandU4coldtotouch6.Ifalarmsreset,closeCB1,verifynoalarms.CB1closed,noalarmsfoundModuleonpushed,noalarmswithunitrunningCB2closed-unitrunningnormalUnitturnedoff,lockturnedoffPutA13A20intoslot-normal7.InstallvariaconB-phaseACinputtologicpowersupply.InstallGNDtoinputofA27-F3(term¹1)HottoinputofA27-F4(term¹1)RemoveA27-F4putVARIACoutputonA27-F4output(term¹2)installoscilloscope ACinput-Lead¹243DC(+)LogicPower-¹2007a.Turnlogicpoweronrestartunit:ClosedA27-Slcontrolbatt.discharge, logictripcameon.ClosedA27-CB1alarmsclearClosedCB1Pushedmoduleon-unitrunning;noalarmsClosedCB2

WR8190938TROUBLESHOOT SHEETPage10August19,1991SteadyState-118.13VACtopowersupplies19.86VDC(+)DClogicLoweredVACtoDCP.S.-at96VAC,DCvoltsstartstodrop-at84.59VAC,DCvoltswentto16.9VDCunittripped.Alarms-Powersupply,failedinverterlogicmoduletrip(recorded (alarms)2hourslaterfrommemory)At84.59VACunittrippedDCwentto16.9VDCAlarms-powersupplyfail,logictrip,moduletrip12.13.14.13a.WithunittrippedopenA27-CB1(BatteryBreaker)loweredACinputtopowersuppliesAt45.0AC,K-5dropped-seenbylogic(DC)powerdropping-itdroppedtoapproximately zero(K-5relaydropsoutat45VAC)

WR@190938TROUBLESHOOT SHEETPage11August19,199114.Resetlogic(off)-A27-CBlandA27-Slopen.15.Resetvariacto120vac.16.Turnedlogicoff.17,CloseCB1.18.Turneduniton.19.ClosedCB2.20.Unitrunning-noalarms(loadonMaint.)21.Openswitchonvariacwithvoltageat-90.00vac-openedandclosedfor150msec(Trace7)22.UnittrippedAlarms-powersupplyfailedlogictripmoduletripSCRshort23.Resetlogicandresetunit-CBlclosedCB2closedUnitrunningVariacresetto120VAC.Openswitchonvariacfor100msec.-openandclosedUnittripped,CB1openCB2openModuletripLogictrip(Trace8)24.Restarted unitCB1closedCB2closedlogicreset-noalarmsPutoutputonUPSPowerAttempted totransfertoUPSpower-P6Blockwasopen-wouldnottransfer25.TurnunitOff,resetlogic,turnlogiconPutCB-4Operator(screwmotor)toonPutP6blockbackin

WR¹190938TROUBLESHOOT SHEETPage12August19,199126.OpenCB1on2VBB-XD501.

Nologictrip.1.Maintenance outoflimits(clears)2.Voltagedifference (locks)-K-5relayswappedtoUPSpower27.TurnMaint.backon.Allalarmclearaftertimedelay.28.Openswitchonvariac-sustained.

Notrip,hornsounded,K-5relaytransfers.

29.Flippedswitchonvariac(offandon)ACvoltagedownto58VACTurnedswitchoff-unittripped-nolights-fuseinVariacisstillgood(foundlooseleadonfluke-notsecureinplug)30.Restarted unit-legfuseblown,alarm,impulsetrip,Inverterfuseleg¹5fusebad31.Logicoff,CB1openedCB2opened32.ReplacedLeg¹5,fuseunitrestarted, transferred toUPSpower,allalarmsclear.

WR¹190938TROUBLESHOOT SHEETPage13August19,199133.Open/Close variacswitch-notripSCRshortalarm(200msec)Open/Close variacswitch-unittrip,powersupplyfail,logic(inverter) moduletrip-possibly200msec(-tracecannotberead)34.RestoreAClogicasfollows:RemoveleadfromA27-F3(team¹1)-variacleadRemoveleadfromA27-F4(team¹1)-variacleadRemoveleadfromA27-F4(team¹2)-variacleadRe-install A27-F4fuse3S.Unitleftoff,loadonmaintenance

WR¹190938TROUBLESHOOT SHEETPage14%gust20,19911.)Measureeachbatterypriortoinstalling inUPS1C:1.)6.102.)6.073.)6.104.)6.095.)6.106.)6.122.)Usingaleadsliftedlogreplacethecontrolbatteries inUPSlC.3.)MeasurebatteryvoltageoneachbatteryremovedfromUPS1C:1.)1.192.)2.483.)4.)0.175.)0.796.)1.784.)InstallavariaconB-phase,AC inputtologicpowersupplyasfollows:a.)AttachvariacinputgroundleadtoinputsideofA27-F3(term¹1).b.)AttachvariacinputhotleadtoinputsideofA27-F4(term¹1).c.)RemoveFuseA27-F4.d.)AttachvariacoutputleadontheoutputsideofA27-F4(term¹2).5.)InstallOscilloscope leadsasfollows:a.)oneinputtoscopeonA27,lead¹243b.)otherinputtoscopeonA27,lead¹200(+ofDClogic)

WR@190938TROUBLESHOOT SHEETPage15August20,19916.)Setvariacforapproximately 120vac.7.)RestartUPS1CandputloadonUPSpower,CB-3closed.8.)SlowlydecreaseACvoltagetotheDClogicpowersupplies.

At91.95VAC,DClogicpowerdroppedto19.15VDCAtapprox.42.94,DClogicrecoveryto18.10VDC(K-5transferred toUPS,Notrip,Hornsounded)9.)VerifyK-5relaytransfers toUPSpower.At42.94DCdroppedtoapproximately 17.8or17.9.TurnVACto24.0VAC(K-5pulledinfull)logicwentto19.76VDC10.)RestartUPS1C,asrequired, andputloadonUPSpower.N/APutvariacto120VAC-peroscilloscope K-5energized

-powersupplyonmaint.11.)Flipswitchonvariacrapidlyoffthenon.12.)Performtheoperation instep11multipletimesandrecordwhethertripsofunitoccur.(Seepage15a)13.)ShuttingdownunitopenedCB2openedCBlAlarms-powersynctripUV/OVtransferInverterlogicNomoduletripa.)OpenedA27-S1andA27-CBlClosedA27-SlandA27-CB1-alarmsstillinOpenedA27-S1andA27-CBl

WR¹190938TROUBLESHOOT SHEETPage15aAugust20,1991SEQUENCENO.35678910ll1213141516171819202122232425TIME150-200msecTRIPnononononononononononononononononononononononononoREMARKSSCRshortcameinSCRshortSCRshortSCRshortSCRshortACVoltdipto81VACSCRSCRSCRNoAlarmSCRshortSCRshortSCRSCRSCRSCRSCRSCRSCRSCRSCRSCR I>>4 WR¹190938TROUBLESHOOT SHEETPage16~pet20,199114.)Shutdownunitandremovevariacandoscilliscope asfollows:a.)RemovevariacinputgroundleadtoinputsideofA27-F3(term¹1).b.)RemovevariacinputhotleadtoinputsideofA27-F4(term¹1).c.)RemovevariacoutputleadontheoutputsideofA27-F4(term¹2).d.)RemoveFuseA27-F4.e.)Removeoscilliscope leadonA27,lead¹243.f.)Removeoscilliscope leadonA27,lead¹200(+ofDClogic).g.)InstalltheA13A21circuitcardontheextendercard.NOTED:FuseA27-F4leftout-reinstalled.

WR@190938TROUBLESHOOT SHEETPage17August21,1991

WR8190938'ROUBLESHOOT SHEETPage18August21,19911.)RepairtheA13A21boardinUPS1C.2.)Reinstall A13A21boardinUPS1Contheextenderboard.3.)Attacharecording deviceontheoutputoftheUPSandthemaintenance outputandpreparetorecordtransfer.

4.)TurnlogicpowerontoUPS1C.5.)MeasurevoltageonA27-F4,term.81referenced tophaseA,B,andCofthemaintenance supply:A27-F4toPhaseA:212VACA27-F4toPhaseB;0.2VACA27-F4toPhaseC:211VAC(ThisverifiesDCpowersuppliesfedbyB-Phase)6.)LiftmotoroperatoronCB-4.6a.)InstallP-6block.7.)ResetmotoroperatoronCB-4.8.)RestartUPS1CandputloadonUPSpower,CB-3closed.9.)VerifynoalarmsarepresentinUPS1C.

1 WR8190938TROUBLESHOOT SHEETPage19August21,199110.)Initiateeachofthefollowing tripsandrecordthealarmsfound.Recordatleastonetrip-transfertomaintenance.

a.)Frequency failure-nottestednow-whenA13A20chipfailed(earlier) fedfrequency failuretoA13A21verifying logicb.)Logicfailure-tookpinlow-unitdidnottrip-possibleprobenotonground-secondtimetookpin6low-unittripped-logicfail,fanfail,moduletrip,invertedlogicalarmTookboardA13A21offcardcageextender-troubleshoot circuit.Alarmclearedbyreinserting card.Unitrestarting, loadonUPS.c.)Clockfailed-tookpin¹32low,unittripped-logic(inverter) alarmclockfailed,moduletrip16.)RestoreA13A21tothecardcageslot.17.)RestartunitandputloadsonUPSpower.

2VBB-UPS1D TESTSUMMARYpage1Purpose:ToprovethattheDClogicpowerfortheExideUPSispoweredfromtheB-phasemaintenance supplyandthatifatransient occursonthemaintenance supplyitcaneffecttheDClogicsuchthatitwilltriptheunit.Thistestisdonewiththeoldinternallogicbatteries andthenrepeatedwithnewones.TheK-5pickupanddropoutvoltagesandtheDCtrip-point oftheDClogicwillberecorded.

ResultsSummary:1.)ItwasverifiedthattheDClogicpowersuppliesarefedfromtheB-phasemaintenance supply.2.)Fasttransient tests:Withtheoldbatteries stillinstalled avoltageinterruption of100-150msecdurationwasgiventotheACinputtotheDClogicofUPS1D.TheDClogicwasat,20.9VDC.Theunitwouldnottrip.TheACinputvoltagetotheDClogicwasthenreducedsuchthattheDClogicwasat20.0volts.Whenthetestwasperformed withtheDClogicpowerat20.0VDCtheunittripped.Thiswasdonefirstwiththeloadsonmaintenance supplyandthenalsowiththeloadsonUPSpower.Withthenewbatteries installed therewasnotripwhenthefasttransient testwasperformed thoughtherewassignificant hitsshownontheDC.logicpowerbusasseenbytheoscilloscope.

3.)TheK-5relaydropoutandpickupvoltageswererecordedandtheywerefoundtobebelowthetrippointoftheDClogicpower..4.)Normaltransfers weredone,UPStomaintenance andmaintenance toUPS,withdeadbatteries andtherewerenotripsoftheUPS.Themaintenance supplywasopenedwiththeUPSfeedingtheloadsandnoUPStripsoccurred.

page2CONCLUSION ThistestprovesthattheDClogicpowerisfedbytheBphasemaintenance powerandthatitissusceptible tovoltagetransients onthemaintenance supply.Itmaybesusceptible toothertransients aswellbecauseitisdirectlytiedtomaintenance supply.ThetestDOESNOTprovethelevelofsusceptibility, thatis,itdoesnotprovethatthetransient wasofanysetvoltageorduration.

Thetestimpliesthatthebatteries mayhavemitigated thetripbutthatisnotconclusive.

g~

Numerical Results:1.)FastTransient Testsa.)Withexistinbatteries-page3Withloadsonmaintenance:

At20e9VDC-fivetries,notrips.At20.7VDC-onetry,one~tri.(150msec.)2.)WithloadsonUPSpower:At20.06VDC-one~tri.(100msec.)Ib.)Withnewbatteries 1.)At20.05VDC-Fivetries,~notris.-noticeable DChitoneachtransient.

J2.)TheDClogictripsat<17.3VDC.(with84.5VAConinput).3.)K-5relaydropout-42VDCK-5relaypickup-55VDC4.)Theinternalbatteryvoltagewasmeasured:

Positive-+0.6Negative-+0.14(thenegativebatterysetwasactuallyslightlypositive).

5.)Individual cellvoltages:

OldBatterVoltaeNewBatterVoltae2.)3.).254.5701.03.076.106.066.106.105.)1.176.13

6.)1.396.09

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WR¹190945TROUBLESHOOTING PLANPage3August21,19911.)PlacetheloadsoffUPS1Donmaintenance power.Whenunitputtomaintenance, CB-4failedtoclose.Liftedoperator-Bkr.closed(partialfalsesignaltoCB-4).(Laterfoundtobeadjustment ofCB-4operator.)

2.)OpenCB-2,CB-1,A27-S1.3.)MeasureandrecordDClogicpower-(thisisbatteryvoltage)(+20)=+.06V(-20)=+.14V(*verified+.14volts)4.)OpenA27-CBl.5.)MeasurevoltageonA27-F4,term.¹1referenced tophaseA,BandCofthemaintenance supply:A27-F4toPhaseA:A27-F4toPhaseB:A27-F4toPhaseC:203.1VAC0.0VAC(PhaseBtoDCpowersupplies) 202.4VAC6.)InstallavariaconB-phaseACinputtologicpowersupplyasfollows:a.)AttachvariacoutputgroundleadtoinputsideofA27-F3(term¹1).b.)AttachvariacinputhotleadtoinputsideofA27-F4(term¹1).c.)RemoveFuseA27-F4.d.)AttachvariacoutputleadontheoutputsideofA27-F4(term¹2).7.)InstallOscilloscope leadsasfollows:a.)oneinputtoscopeonA27,lead¹243b.)otherinputtoscopeonA27,lead¹200(+ofDClogic) 4 WR8190945TROUBLESHOOTING PLANPage4August21,19918.)Setvariacforapproximately 120VAC.9.)LiftmotoroperatoronCB-4.10.)TurnlogicpowerontoUPSlD.11.)ResetmotoroperatoronCB-4.12.)RestartUPS1DandputloadonUPSpower,CB-3closed.13.)SlowlydecreaseACvoltagetotheDClogicpowersupplies.

Start20.88VDCat98.13VACDC,powersupplywentdown20.59VDC14.)RecordwhenDCvoltagestartstodrop-98.13VAC20.59VDC15.)Ifunittrips,recordvoltageattrippoint-84.5VAC17.3VDCUnittripped.CB-4failedtoclose-gotCB-4"ON"flag.Alarms-vo!tagedifference, maint.outoflimitsmoduletrip,inverterlogicalarm.Powersupplyfailed.16.)Ifunittrips,lowerACinputtoK-5relayuntilrelaydropsout.At56VACrelaychattered, 8VDConlogicAt42VACrelayswapped-droppedPutresetbackup-At55relaystartedtopickupAt75VACpulledin17.)Restartunit,asrequired, andputtheloadonUPSpower.18.)Setvariacat120VAC.

WR45190945TROUBLESHOOTING PLANPage5August21,199119.)Openandclosevariacswitchquickly.Recordiftripoccurs.~~,~r'-/.~i)i Lippedonce-notrip,SCRshortalarm-150msec'(TraceO9)20.)Iftripdoesnotoccurattemptagain.2ndtry-ACdropsto119.5VAC,notrip(Trace@1)3rdtry-ACdropsto84.5vaconfluke,notrip(100msec)onoscilloscope

-ACdropped136VAC,ACdropped2,3volts(from20.9VDCatstart)(see20aonnextpage)20a.)4thtry-notrip5thtry-setvariacto95.0VAC,VDCat18.6-unittripped.Powersupplyfailed(Priortoswitching variac)Putunitonmaintenance.

Triedfasttripat20.00VDC-unittripped.21.)22.)23.)24.)25.)26.)27.)28.)Measureeachnewbatterypriortoinstalling inUPS1D.1.)2.)3.)4)5.)6.)6.10VDC6.06VDC6.10VDC6.10VDC6.13VDC6.09VDC29.)Shutlogicpoweroff.Removeoscilloscope leads.Removevariacleads.30.)InstallfuseF-4.31.)PutloadsonUPSpower.

WR8190945TROUBLESHOOTING PLANPage6August21,1991*ANNOUNCELOSSOFLIGHTS1.)PlacetheloadsoffUPSlDonmaintenance power.2.)OpentheP-6blockblockonCB-4.3.)OpenCB-2,CB-1,A27-S1,A27-CBl.4.)InstallavariaconB-phaseACinputtologicpowersupplyasfollows:a.)AttachvariacoutputgroundleadtoinputsideofA27-F3(term@1).b.)AttachvariacinputhotleadtoinputsideofA27-F4(term81).c.)RemoveFuseA27-F4.d.)AttachvariacoutputleadontheoutputsideofA27-F4(termk2).5.)InstallOscilloscope leadsasfollows:a.)oneinputtoscopeonA27,lead8243b.)otherinputtoscopeonA27,lead@200(+ofDClogic)6.)Setvariacforapproximately 120vac.7.)LiftmotoroperatoronCB-4.

WR8190945TROUBLESHOOTING PLANPage7August21,19918.)ReinserttheP-6blockonCB-4.9.)TurnlogicpowerontoUPSlD.10.)ResetmotoroperatoronCB-4.11.)RestartUPSlDleavingloadsonmaintenance supply.12.)Openandclosevariacswitchquickly.Recordiftripoccurs.AdjustvariacsuchthatDClogicpowerisat20.00VDCACat91.28VDCat20.07VSwitchtime-150msecAtunittripthefollowing alarmsobserved:

nmCEeS)1.trip2.Inverterlogic3.SCRshort4.Powersupplyfailed21.)Restartunit,asrequiredandputloadsonUPS.*BreakerCB-2failedtoreset.BreakerreplacedperWR@177123.22.)OpenCB-1on2VBB-XD600 andverifythatunitdoesnottrip.Unitdidnottrip.Thefollowing alarmswereobserved:

1.VoltageDifference 2.Maintenance outoflimits22.)WhileonUPSpowerwithoutmaintenance available recordthefollowing:

'PSoutputvoltage:PhaseA;121.0VACPhaseB;120.0VACPhaseC:121.5VACDCLinkvoltage:140.7VDCUPSoutputFrequency:

59.93HZACoutput24.)CloseCB-1on2VBB-XD600.

WR8190945TROUBLESHOOTING PLANPage8August21,199125.)AdjustmotoroperatoronCB-4asrequired.

Unabletoadjustatthistime.Restartunit,putloadonUPSpower-Lowerreostat(variac)voltsuntilDClogicis20.00voltsVDC-20.06VAC-100.23,Flippedvariacswitchonandoff,unittripped(100msec.)Alarms-moduletripinverterlogicpowersupplyfailed26.)TransferloadstoMaintenance.

26.)Shutdownunitincluding logicpowerandP-6block.27.)OpenAcinputbreaker,2NHS-MCC006, 8-A.29.)Usingaleadsliftedlogreplacethecontrolbatteries inUPS1D.BenchBatteryVoltageReadings-priortoinstallation 1.)6.097VDC2.)6.063VDC3.)6.107VDC4.)6.101VDC5.)6.125VDC6.)6.090VDC30.)MeasurebatteryvoltageoneachbatteryremovedfromUPSlD:1.)2.)3.)4.)5.)6.).254VDC.570VDC1.03VDC.07VDC1.17VDC1.39VDC31.)Setvariacforapproximately 120vac.32.)RestoreP-6blockonCB-4.33.)LiftmotoroperatoronCBA.

WR¹190945TROUBLESHOOTING PLANPage9August21,199134.)TurnlogicpowerontoUPSlD.35.)ResetmotoroperatoronCB-4.36.)RestartUPS1DandputloadonUPSpower,CB-3closed.Lowervariacvoltageto99.03VACuntilDClogicvoltageisapproximately 20.05VDC37.)Flipswitchonvariacrapidlyoffthenon.38.)Performtheoperation instep11multipletimesandrecordwhethertripsofunitoccur.1.2.3.4,5.Notrip,100msecNotripNotripNotrip,100msec(noticeable DChit)Notrip,150msec(noticeable DChit)NoalarmsNoalarmsSCRshortalarmNoalarmsSCRshortalarm(Trace¹3)(Trace¹5)39.)Shutdownunitandremovevariacandoscilliscope asfollows:a.)RemovevariacoutputgroundleadtoinputsideofA27-F3(term¹1).b.)RemovevariacinputhotleadtoinputsideofA27-F4(term¹1).c.)RemovevariacoutputleadontheoutputsideofA27-F4(term¹2).d.)REINSTALL FuseA27-F4.e.)Removeoscilliscope leadonA27,lead¹243.f.)Removeoscilliscope leadonA27,lead¹200(+ofDClogic).39a.)RestartunitandputloadsonUPSpower.

WR0190945TROUBLESHOOTING PLANPage10August21,199140.)Staticswithcisoperating asnotedbyobservation ofstaticswitchlightoncontrolmoduleduringUPStomainttransfer.

41.)MeasureB-phaseACinputvoltagetoDClogicpowersupplies118.34VACMeasureDClogicpowerwithunitonline(+2ov)(-2ov)20.78VDC-20.86VDC~42.)AdjustmotoroperatoronUPSlDUnabletoadjustCB-4,Maintenance supplybreaker.CB-4requiresreplacement.

Problemdetermined tobethebreakerorthetransfermotoroperator.

WR177124initiated toreplacebreakerCB-4.(-Breaker replaced.)

43.)Performtransfer-UPStomaintenance Recordtransferwithvisicorder

• NOTE:UPSoutputbreakerCB-3isstickingandrequiresreplacement.

2VBB-UPS1A 1B1GTESTSUMMARYpage1Purpose:ToprovethattheDClogicpowerfortheExideUPSispoweredfromtheB-phasemaintenance supply.TheK-5pickupanddropoutvoltagesandtheDCtrip-point oftheDClogicwillberecordedforUPS1A,notforUPS1BandUPS1G.Theinternalbatteries willbetestedandreplaced.

ResultsSummary:1.)OnUPS1A,UPS1BandUPS1G,itwasverifiedthattheDClogicpowersuppliesarefedfromtheB-phasemaintenance supply.2.)TheK-5relaydropoutandpickupvoltageswererecordedforUPS1AandtheywerefoundtobebelowthetrippointoftheDClogicpower.3.)OnUPS1A,UPS1B,UPS1G,themaintenance supplywasopenedwiththeUPSfeedingtheloadsandnoUPStripsoccurred.

4.)OnUPS1A,UPS1BandUPS1G,thebatteries werereplaced.

CONCLUSION ThistestprovesthattheDClogicpowerisfedbytheBphasemaintenance power.Itprovesthattheinternalbatteries wereeffectively dead.ForUPS1Aitprovesthatonaslowtransient thattheDClogicpowerwilldropoutbeforetheK-5relaywilltransfertoUPSpower.

I Numerical Results:page21.)TheUPS1ADClogictripsat(16.7VDC.(with.75.6 VAConinput).2.)UPS1A:K-5relaydropout-47VDCK-5relaypickup-52VDC4.)Theinternalbatteryvoltagewasmeasured:

UPS1A:UPS1B:UPS1G:PositiveNegativePositiveNegativePositiveNegative0.546.218.30.69

WR¹162319TROUBLESHOOT SHEETPage3August23,19911.)PlacetheloadsoffUPSlAonmaintenance power.2.)PulltheP-6blocktoCB-43.)OpenCB-2,CB-l,A27-S1.4.)MeasureandrecordDClogicpower-(thisisbatteryvoltage)+20VDCBatt.-20VDCBatt.+0.70VDC-1.15VDC5.)OpenA27-CB1.6.)InstallavariaconB-phaseACinputtologicpowersupplyasfollows:a.)AttachvariacoutputgroundleadtoinputsideofA27-F3(term¹1).b.)AttachvariacinputhotleadtoinputsideofA27-F4(term¹1).c.)RemoveFuseA27-F4.d.)AttachvariacoutputleadontheoutputsideofA27-F4(term¹2).7.)MeasurevoltageonA27-F4,term.¹1referenced tophaseA,BandCofthemaintenance supply:A27-F4toPhaseA:A27-F4toPhaseB:A27-F4toPhaseC:206VAC0VAC208VAC

WR¹162319TROUBLESHOOT SHEETPage4August23,19918.)Setvariacforapproximately 120vac.9.)TurnlogicpowerontoUPS1A.10,)SlowlydecreaseACvoltagetotheDClogicpowersupplies.

120VAC=21.08VDC11.)RecordwhenDCvoltagestartstodrop-92.42VAC21.05VDCLogictrip75.60VACPwrSupplyfailed16.70VDC12.)LowerACinputtoK-5relayuntilrelaydropsoutandpickup.47VACdropout52VACpickupeDONOTPROCEEDWI'I'HOUT NRCAPPROVALReceived13:158/23/9113.)Shutdownunitandremovevariacasfollows:a.)RemovevariacoutputgroundleadtoinputsideofA27-F3(term¹1).b.)RemovevariacinputhotleadtoinputsideofA27-F4(term¹1).'.)RemovevariacoutputleadontheoutputsideofA27-F4(term¹2).d,)REINSTALL FuseA27-F4.14.)RepairUPS1A.**CHARGERSUPPLYREPAIRONLY**Troubleshot UPSlA-noproblemfound.Suspectweakbreakerir.VBB-PNL301(Bkr¹1)tripsattime-WR¹195051writtentoreplace

WR¹162319TROUBLESHOOT SHEETPage5August23,199115.)Restartunit,asrequired, andputtheloadonUPSpower.16.)OpenCB-1on2VBB-XD500 andverifythatunitdoesnottrip.UnitdidnottropVoltagedifference alarmMaintoutoflimitalarm17.)WhileonUPSpowerwithoutmaintenance available recordthefollowing:

UPSoutputvoltage:PhaseA:PhaseB:PhaseC:DCLinkvoltage:(asfound)135VDC(asleft)140.0VDCUPSoutputFrequency:

59.85Hz118.8VAC123.0VAC120.2VACNOTE:WR¹154535writtenon5/10/91previousproblem18.)'loseCB-1on2VBB-XD600.

19.)TransferloadstoMaintenance.

20.)OpenP-6blockonCB-4.21.)Shutdownunitincluding logicpower.22.)OpenACinputbreaker,2VBS-PNL301, l.23.)Measureeachnewbatterypriortoinstalling inUPSlA.1.)2.)3.)4.)5.)6.)6.08VDC6.09VDC6.10VDC6.12VDC6.13VDC6.14VDC

WR8162319TROUBLESHOOT SHEETPage6August23,199124.)Usingaleadsliftedlogreplacethecontrolbatteries inUPS1A.25.)MeasurebatteryvoltageoneachbatteryremovedfromUPS1A:1.)2.)3.)4.)5.)6.)6.31VDC5.29VDC4.92VDC2.64VDC6.46VDC5.54VDC26.)LiftmotoroperatoronCB-4.27.)ReistallP-6blockonCB-4.28.)TurnlogicpowerontoUPSlA.29.)ResetmotoroperatoronCB-4.30.)RestartUPS1AandputloadonUPSpower,CB-3closed.Supplybreakerdidnottrip.

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WRg160944,troubleshooting plan,1.)PlacetheloadsoffUPS1Bonmaintenance

• Visua1Ip'erify.

thatthestaticswitchpage3(8/26/91) poweroperates.

2.)PulltheP-6blocktoCB-43.)OpenCB-2,CB-1,A27-S1.4.)MeasureandrecordDClogicpower-(thisisbatteryvoltage)5.)OpenA27-CB1.6.)MeasurevoltageonA27-F4,term.g1referenced tophaseA,BandCofthemaintenance supply:.A27-F4toPhaseA:A27-F4toPhaseB:A27-F4toPhaseC:vh~00vH~7.)OpenACinputbreaker,2VBS-PNL301, 2.8.)Measureeachnewbatterypriortoinstalling inUPS1B.pic1.)<0)82-)6l<83)C.Ogq4)FOZ~-5~)f~pq)',9.)Usingaleadsliftedlogreplacethecontrolbatteries inUPS1B.

page410.)MeasurebatteryvoltageoneachbatteryremovedfromUPS1B:11.)LiftmotoroperatoronCB-4.12.)Reinstall P-6blockonCB-4.13.)TurnlogicpowerontoUPS1B.14.)ResetmotoroperatoronCB-4.()<(

15.)RestartUPS1BandputloadonUPSpower,CB-3closed.III16~)@X7.)WithloadsonUPSpower,openA27-SlandverifynoCONTROLBATTERYDISCHARGE alarmoccurs.C,~,wNeA~~ca,~k;close$27-s1.,'>>~g)>>ear~18.)19.)WithloadsonUPSpoyeroenCgy1on2VBB-XD601.

g(phys4)q(QT~WithloadsonUPSpowerwithoutm5inenanceavailable recordthefollowing:

~1g.lIvAc-ppUPSoutputvoltage:@<Llo,lvPcDCLinkvoltage:<4.3VJo.UPSoutputFrequency:

r 20.)CloseCB-1on2VBB-XD601.

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A'909P.O'"EFEFEMcooŽEv+3~-Vi'CCNPONENT NUMBERa.hfeNUMBERfLSAFETYCLASSQSRQQ3BASR19,EOQYES5NO20R/ASMECOMPONENT QYES~NO2f.CLEANNESS CLASS-us9.EQUIPMENT TITLE'0.FAILUREDESCRIPTION ANDLOCATION11.NPRDS.SYMPTOMCODE0DESCRIPTION l~c.a7CV412ORIGINATOR 13.APPROVED14.W.R.RECEIVED15.PROCEDURE NOS./16.0QANOTIFIEDBYSUPV.17.ACCOUNT22.QAREVIEWQA/4-eOATEKLI/~/CATEM/MS-/~+///DATEFIQ'f/2I2EQUIREQ DATE'TSfE"'ORNAMEI41'>~5"2.MQ.{g-IIIMT~K/~/~'~'INSPECTOR REQUIRED0YES+NOL2I)1fJC~R,Q.~2,t~IFN2"TAGEDBY~~':"~~'QHgRQ'CEDURE'QGRWG QMARKUPgRWPQPA~2a.ASSIGNEDTOPATE/XP/~(29.NOTIFICATIONS:

OCDATE"//TIME"SlitI/I' TE~/2/T/MEM~27.CORRECTIVE ACTION28.NPRDSCORRECTIVE MT'COQEESCRIPTION

~A2A~29.OAUsECFFA/LURE 30.NPRCEF/Nusls/ENCEEZW:

.~~;.,g'TA,'.WRUA5~,~..U42.2ISIU.

2"~-i~'-S~,'Z..C~'tRE:TF~-'4.SUPERVISOR REVIEWBYi31.ATTACHMENTS QMATERtALISSUESGPR~)~C4ECK; CTR}%REP6lTS0LASQrP5(QQQ32.MARKUPNO'Si~~/~~RR/PNO'S/

/."-O'CRNO'3.

CORRECTIVE ACTIONCOMPLETED BY~'.OAVDAVE/35.WORKACCEPTEOBYQAADATE~//~36.PMTREVIEWBYPMTPROCEDURE NO'S.38.PMTCOMPLETEVERIFIEDBY39.ACCEPTEDBY""""""'"'";V.'irr'E~/~/~

/~S~.TLPl&PORT 0HOTREQUIAEO0NADATE//a.sss0SUPV.DATE//40.NPROS0NASYSTEMCODESTSIMINfT:413'.INDEXEO BYOGC.CONT.INIT.SYMSOLI/UMSfllSS32OSSAIRI0$

A~4 WR¹160946TROUBLESHOOT SHEETPage3August24,19911.)PlacetheloadsoffUPS1Gonmaintenance power."Visually verifythatthestaticswitchoperates.

2.)PulltheP-6blocktoCB-43.)OpenCB-2,CB-1,A27-S1.Logicon-powersupplyfailed,DCOV,Maint.outoflimits,voltagediffoutputOV/UV,Inverterlogictrip.4.)MeasureandrecordDClogicpower-(thisisbatteryvoltage)-20VDCBatt.+20VDCBatt.+0.69VDC+18.3VDC5.)OpenA27-CB1.6.)MeasurevoltageonA27-F4,term.¹1referenced tophaseA,BandCofthemaintenance supply:A27-F4toPhaseA:A27-F4toPhaseB:A27-F4toPhaseC:206.7VAC0.0VAC213.3VAC7.)OpenACinputbreaker,2VBS-PNL301, 7.8.)Measureeachnewbatterypriortoinstalling inUPS1G.1.)6.086VDC2.)6.096VDC3.)6.115VDC4.)6.167VDC5.)6.100VDC6.)6.098VDC

WR8160946TROUBLESHOOT SHEETPage4August24,19919.)Usingaleadsliftedlogreplacethecontrolbatteries inUPS1G.Lead256to+20VDCpowersupplyhadburntlog-screwwasloose;otherscrewsweretight,10.)MeasurebatteryvoltageoneachbatteryremovedfromUPSlG:1.)2.)3.)4.)5,)6.)+6.414VDC+6.370VDC+3.067VDC+6.392VDC+2464VDC+5.518VDC11.)LiftmotoroperatoronCB-4.12.)ReistallP-6blockonCB-4.13.)TurnlogicpowerontoUPS1G.14.)ResetmotoroperatoronCB-4.15.)RestartUPS1GandputloadonUPSpower,CB-3closed.16.)WithloadsonUPSpower,openA27-SlandverynoCONTROLBATTERYDISCHARGE alarmoccurs.Noalarmsorlights.17.)CloseA27-S1.

WR@160946TROUBLESHOOT SHEETPage5August24,199118.)WithloadsonUPSpower,openCB-1on2VBB-XD602.

Voltagedifference, Maintenance outoflimitsalarms.19.)WithloadsonUPSpowerwithoutmaintenance available recordthefollowing:

UPSoutputvoltage:PhaseA:PhaseB:PhaseC:119.2VAC121,6VAC121.4VACDCLinkvoltage:139.58VDCUPSoutputFrequency:

59.91Hz20.)CloseCB-1on2VBB-XD602.

313.367R01'30NINEMILKPOI>TNUCLEAIISTATIONDOCUMENTS CHA.AGEDN2E35600IPW".UP001 o9~/T~MVPQAAAV IlOOISIQhTION auAPMVaCCAW~'g0 2ECANTO8SIIICO~~0II~RIOT10BfIIICCAPCRATII0 IaIIOTTOIRWCCHRXATKO, NOTTOQQPO$%0iIACf1ChangeUPSLogicPowerSupplyagJmMImaa/Z3TS~

OMQQXXREPZPZZCg CNLYThisEDCistochangetheeauired~rinputfortheUPSLogicPoweraI'8RelayPanelfrcmthemaintenance supply(alternate 12OVACpcwe")totheUPSinvertoutput.Technical Justification:

'Iheuseoftheinverteoutputwillprohibittransients onthemainten1nceapplyfrcmaz:Seating theLogicPcker.'Ihischangeisreccmnended byTeideElectronics.

GAELi2VBB-UPS1B

@gag)/ADOpUGH3f99~ZCL:2-'7/-Q4Z Qamaovau~gee-wzz.~

mrsC)0RDNI~IiIRIOoN/AN/ASC2-0273-91

~IaZXSXCXZMILDlEÃZATZCkf

ÃlCSZZMrzion/alsoLzczZTSZPO ccsci90f5EQLICENSClYSSIMPACTg3S3MELQYKC.ea$9LIO9'aY~ASME~~"NAg)eZIRXPAiLRD MAC/0&5A.Freelandx7223/8-20-91 ZzTzRADZSC.

CCRC.kcLDCCRDXSC.

CCRCo>~tgIMI~SM?RtZCOt PQgggQUZSZ XIsSYMSOLNO.SS.)Z385sXIXMm/num y..gigN)QYZS..DOAFTEROlOCICUSSXPZ NXTRRUCHE

AUG-23-9l FRIl3'52HHPCSYRHUCIjIV>iIji5N'l00NlMCPHtLCPOINTN4CLthh,STRTt OHFAXHO.3154287834 P.l2RogKIydrRucnoas:

Njj'pC,~g~vRUCTIGQS:swL'Ps4il4,I'1aPKx(DEihlSTVUc>o~>

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~ayrc.Bv~w>sZ)5'dc~ua'=84 8)SWo~~i~m/YoSMC.E')

Q~nv&g~z~z.~~zvi~ggiviemmy~Wwri>jic)r-z.,;re+~i~(~(i)-(~)S)g>S~~uacr ui~~viemO~~j.'V)-v)pigcouae'c7 luicE&<7FRotn4500)pi~~~~~ggT iuygg+QE7&8oklg4$(V3g)pizcauurcr ncaa~Zs~acorn~C>glogP8'CauuaeT'i8<+8<8 7cgcmeucciIviWE84770@BC~)ig)%EcgAeE~I lvINEZ~77c>+~C+)ig)yZgc~+VCcT lviRd~Z5$7ok~(4)STMidi%0.Sl.i!.NT

AUG-23-Bi FRil'3'32MHPCSYRHUCDiV']740ld1tdNINERILEPOINTh/UCLERRSTRTION~FAXNO,3I5428783400lP.13~~ggiggrgY)criopls (cowl'T)ized'u&SW)N<vkme>Umph%Ks'(a)rok~go)94'7~882~7I.'.)QawzmEvompegwmPe)rogu(q)Z4gv.e2'~~)@Litle'gH

&A/V2CL.8+<~+>9~K'vlrH4~<~Q6FSl7)Pem~cjorA2.7(8)R&SamdA+i'm+L.UPS~A'Tlo&s/zciaoWii~~Va/u/vtui/D3jiodis>>~SYMIOLNQ.$533'3l7

AUG-23-91 FRI13:52Ni"IPCSYRNUCDIV')40%4<~l4eiwfWli.fPOINTMUCLERRSTATIONZEFAXNO.3154287834 P,14OdZ4CR2KcINIRC4SlKKFRe~TONIT'8l8k-IFPa++Z424R51'5l

RUG239!FRll3'33HHPCSYRHUCDIV)il]l0HOlWNlh(Alt.KPOINTNUCLERll$TRTION~CFAXHO.3154287834

AUG-23-9l FRIl3'53HHPCSYRNUCDIVFANNO.3154287834II)~)4iaOIN>I~f.MllfPOINTNUCLEARSTATIOh,~410~AT%%QtJYPgT~.IIJ4~ig0I)0~QOr)~~(i)X5(Ql(S(>)al(1)I(5'(I)(IO)(iniCkIF4I~SYNODII().$533.3!)A4,TfRHAfgIVACSOUACK

AUG-23-91 FRf13'54NNPCSYRNUC01VFAXNO.3154287834 P.17)340l01~1oVNfAGARAVUCLERRSTATION~~RTC4QMPutJ3~iJ't'-o(io)gp)55(s)4A~5x5(~)<g(8XSi4)(i)K(2)RggXQ,fl5YLQOLllQ.5%M.)a7

S4"l~sIAtel\4I~j*r!!:I,I~l.II>rrI!I!Il,I!ljs~TIIII~AHA&aeaeg IIIIIrv,~gt4~t4~I~qeaaaewtf

~p~II~5fl~,aI.[qCfg~')l't'.>,lvTTI~~1000t000IIII'J~T

AUG-23-Si FRfl3'55IPCSYRHUCDtttFAXHO,3154287834 1)C0l0lS0hllhEMILgfOINTMUCLERRSTRTIOM~A>am~~+~o:~i~~~oo~~~s>PŽ wc.ls~oio~/lai~ls n/UWd~~c7L.G~i@yrqui~ez~cR>az+ir~'/>~7

/~C,/]Pa~~gpj3~7/C,41TEYIM'/bfR:Ha.

~g~(qo~g&7DAYS)UNITOUTAGENEXTREFUELING OUTAGE6.SYSTEMCODEt-W/18.SAFETYCLASS QSRQQENSR19.EQQYES~O20.ASMECOMPONENT QYES@NO21.CLEANNESS CLASS9EQUIPMENT TITLEMPZtAr10.FAILUREDESCRIPTION ANOLOCATION11.NPRDS.SYMPTOMCODEHDESCRIPTION I\C-j'.-12.ORIGINATOR 13.APPROVED'ATEN/

~/~DATE/-II~/~+t/614.W.R.RECEIVEDDATPROCEDURE NOS/'M80442-/.->>'--""""'--'"'"'"NOT/OIREQUIREDSpr17.ACCOUNTII'Ieo'd'r'AU5LIr a""DATE~i~/~~"2X'NSPKCTfONREQUIRED.

0YES~O22.QAREVIEW:.QA~-26-'7lk-/C280/rJLIIII7k4'~a'TAGEI7 BY'-'"-'-'""ri'DATE~/IDDIPROCEDURE CIDRWGCIMARKUPCiRWPCINA~-"-2K;ASSIGNED'TO.

~'"-':"'"-"-"-"-"'DATE@~,r-26.NOTIPICATIONS:

OCDATE"-//TIMEESSA6//r/i.DATE~//TIME/~'27;CORRECTIVE'ACTION 26.NPRDSCORRESTIVEACTIONCODEl~

"DESCRIPTION.

~~:=',:29.CAUSEOFFAILURE30.NPRDSFAILURECODELLJDESCRIPTION

.'31'=.'32.-.:'3.34.35~~wATTACHMENTS 0MATERIALISSUESWPROCEDURE CCKLISTS'INSPECTION REPORTSQLASQMARKUPNO'S/~~+//Ek"RWPNO'SI/Y/SI/OCIRNO'S*NCRNO'Nr.CORRECTIVE ACTIONCOMPLETED'BY

~DATE+/~SUPERVISOR REVIEWBYDATE/~~/~~WORKACCEPTEDBYQA0NADATE/.36.PMTREVIEWBYPMTPROCEDURE NO'S.38.PMTCOMPLETEVERIFIEDBY39.ACCEPTEDBYQASSS/SSS&SUPV.DATE//0PMTTESTREPORT0NOTREQUIRED0NADATE///<J0SSS0SUPV.DATE//40.NPRDS0NASYSTEMCODE3'l3~ISI5INIT.41.INDEXEDBYDOC.CONT.INIT.SYMBOLNUMBBA5$33053A0555 I-

t VerifyP-6blockopenonCB-4page1Verifylogicpowerisoff:A27-CB1openA27-S1open*CAUTION:RIGHTSIDEBUSCONNECTIONS AREHOTINSTALLRUBBERBLANKETS.

Unplugthefollowing plugsonA27:01.)A27P3~2.)A27P4"3.)A27P634.)A27P15.)A27P2~RemoveA27panfromunitModifyA27-K5relaywiringperEDCReinstall theA27pan.Reinstall following plugs:1.)A27P32.)A27P43.)A27P64.)A27P15.)A27P2CloseA27-S1(LeaveA27-CB1open).Verifymimiclightscomeononthefrontpanel.Alarmhornwillcomein.(Resetasnecessary)

page2PushrelayA27-K5inANDHOLD.Verifythatlightsgoout.ReleaserelayA27-K5andverifylightscomeon.I'4-'l+~-+i-3>~-'-'ILES)IRe-energize theUPSonACpower,CB-2open,withloadsonmaintenance.

Visuallyverifythat,theA27-KSrelayisenergized.

OpenA27-CB1.OpentheA27-Slswitchwhilemonitoring A27-K5andverifythattheA27-K5relaydoesnotdropout.RecloseA27-S1andA27-CB1.LifttheCB-4motoroperator.

InserttheP-6block.Reinsertthemotoroperator.

CloseCB-2.TransferloadstoUPSpowerandverifymimiclightsarestillon.

page3Transferloadstomaintenance powerandverifythatmimiclightsarestillon.PlacethetransfercontrolswitchintheAUTORESTARTposition.

Theunitwillrestart(afteratimedealy)andretransfer toUpSpowers

'I

~:-YORK:INP"'36REsQDATASHEET:::.;:Z.v5i5-<gKiA-8I1arkNo.a'R0P¹0Other0NotApplicable 0EPNpQl0IIQIIIQNAGNotApplicable Qe~PloceduleNo.Estlmaled Duration:

(Equipment Outo(Service)Permissible Re.v.terIlodeGAllGrotShutdownGRunQColdShutdownQStart-up ORefuel(lark-upRequiredgYesQNoEQUIPMENT II1PAC((LISTOUTOFSERVICEEQUIPI1ENT)

PLANTII1PACT(REQUIRES OPERATION'S INPUT)REFERENCE DRAWINGS:

(LISPBELOW)CteI1ENTS PreparedByDa<<:~/~lech.ReviewerOoio:~i~i>

QThissectionN/AwithNoPlantImpactReviewedwith'Crew By:Supv/Chief Perralssion Requested toPartBy:Date:Permission Grantedto5tartBy:555/'sDate-tgfgTime::CSOiionoiiiicoiions:

Cl/SSS/CSO0lSSS/CSOCOI'llINUEDONOACV.Date:///gTime:ZL.:~<

Date:>M>/

i.ZIme'.~!/SSS/CSO l1

.:."808':VAIV>WeN<E:-rFSTS:"'::::.-..':

P~T.REOVlREO" oY'.8:..0TESTAEQUIAENENTS TFST'RESULTSPAOCEOUAES DeferredSatPerformed SyYerifiedByGNo.IGNo0TestTestSteNo.'sQHA.......P.......

StepNo.'sStepHo.'sQN,TESTSAcceptance CriteriaISteNosQN,QYesQHoQYesQHoOYesGHoOYesGHoii>rg</ig'-GYeso0Sat0SatI(I(jP~0Test0TestQYesQHoOSat0Test0QYesQHo0SatGYesOHoQSat//Preparedby:TechnicalReviawe:Reviewedby:-Data:X/~/~

Dala:Z/~/~lisssisssbate:.i/.Shlladcoctionhot'eedwithG-WR/Doebch4nt onWAReinarks:.

-.'.~.'......'N~a:/olnw.sijdaturi;:wtien iionua.'d~...theequipment operable'af'the'

daleandtimesjaclfiid::::.:

A&eptOdOY:

.......NS04te:

//.T.ime:.:.

,4t~

~V~AsamraaaraE~~~I~A~~~~I.POINT8'ArtP("I"395011AAA~'3.DEPARTMENT TODOWORKSfQsELECTRICAL MAINTENANCE QLQsMECHANICAL MAINTENANCE QLQsINSTRUMENTATION

&CONTROL'gQsCOMPUTERQLpsISI2p*SECURITYI&CQLQsFIREQLpsMETER&TESTQLQsOTHER4.PRIORITYOFWORKQIEMERGENCY 47QIURGENT((1 DAY)QSNECESSARY

((7DAYSQEEPERMITS(>7DAYS)UNITOUTAGENEXT'REFUELING OUTAGE5.UNIT:Q1ggQSIT6.SYSTEMCODE7.COMPONENT NUMBER+V~~-(/(I S<18.SAFETYCLASSQSRQQRNSR19.EQQYES5QtO20.ASMECOMPONENT QYESQ(NO21.CLEANNESS CLASS(/(-('CZ=-'.EQUIPMENT TITLE:10.FAILUREDESCRIPTION ANDLOCATION11.NPRDS.SYMPTOMCODECIDESCRIPTION

'rs2-12.ORIGINATOR'.~.:Y 13.APPROVEDn~~.'.~.JasrDATE~/~~/DATE+/~/~~14:W.RLRECEIVED1RCLQANOTIFIEDBYSUPV.DATDATE"-/~A=T-IME---'"QA'NNAME" NOT0REOLIIRED 17.ACCOUNTII'II'-'god'AREVIEW.O'A~:DATF"'~/~i~+"'23" INSPECTION.'-REOVIREO

'O',YES'IIc(;NO~Ž~~~J'raIii;aISTIC~24:Sl'AGEtlSY:

':'.'.'-'DATEi"-GPARTSGPROCEOUIRE~GORIYGGMARKUPGRWPGNA~.

~~II~/~~2S.'NOTIFICATIONS QO'DATE:.'/

/"IlME""'UIPSi:A/TII;27.CORRCTIVEACTIO28.NPRDCORRECVIVEA ttSf'COOL

'OfSCRIPTION

~oN':.",'-29.

CAUSEOFFAIURE30.NOSFAILURECODE~DESCRIPTION C~'~T/-..-'".31.

'-a.32.EIc33.-.35.iiaATTACHMENTS 0MATERI+IUES*PROCEDURE CEMARKUPNO'S/~7RWPO'SCORRECTIVE ACTIONCOMPLETSUPERVISOR REVIEWBYWORKACCEPTEDBYOAKLISTSO'INSPECTION REPORTSQLASQOCIRNO;S,.NCRNO'ATE~//DATE~/~~/

0NADATE~M~~36.PMTREVIEWBY37.PMTPROCEDURE NO'S..0MTCOMPLETEVERIFIEDBY39.ACCEPTEDBYGASSR/SSEINBUPV.

DATE~/~/~

/0PMTTESTREPORT0NOTREOUIREO'0NADATE~/~/~

0SSS0SUPV.DATE//40.NPRDS0NASYSTEMCODEBIBISOINIT.41.INDEXEDBYDOC.CONT.INIT.SYMBOLMUMBBB5$~52055II09Ss F'$

gLIFTEDLEADAND)?UMPERLOGUMOHAWK3WORKOOC;g/+/4PROC.4jaNA/7WIRINGDATAAPPLICATION RIIVRMYONORMALCABlENUMBER(ifapplicable

)WIRENUMBEROR")UMPER"COLORLIFTED"FRM"TERMINATION DEVICEPTYENO"T"TERMINATION DEVICEPTYENOLIFTEDPERF'DINIT.VERF'DINIT.PERF'DINIT.VERF'DINIT.ir3(gocoC.t.o~r'r3V.r'C~10>J4/5.APPLICATION 6.RETURNTONORMAL~~R1186PERFORMED BY:VERIFIEDBY:5IGNATURE:

~',:<Q">>"PN::415r4?P"INITIALBATEV4r>>'F-C'~~4i4(P$5IGNATREINITIALTIME 4

VerifyP-6blockopenonCB-4page1Verifylogicpowerisoff:A27-CB1openA27-S1open*CAUTION:RIGHTSIDEBUSCONNECTIONS AREHOTINSTALLRUBBERBLANKETS.

Unplugthefollowing plugsonA27:1.)A27P3.2.)A27P4)3~)A27P6v4.)A27P1g5.)A27P2~RemoveA27panfromunit:ModifyA27-K5relaywiringperEDCReinstall theA27pan.Reinstall following plugs:1.)A27P32.)A27P43.)A27P64'A27P15.)A27P2CloseA27-S1(LeaveA27-CB1open).Verifymimiclightscomeononthefrontpanel.Alarmhornwillcomein.(Resetasnecessary)

page2PushrelayA27-K5inANDHOLD.Verifythatlightsgoout.'~~(ReleaserelayA27-K5andverifylightscomeon.i~Psi~w~c4ac,8~~JC.Mla-W'l'7Ckf/Re-energize theUPSonACpower,CB-2open,withloadsonmaintenance.

2ioas'onVisuallyverifythattheA27-K5relayisenergized.

ORenA27-CB1.OpentheA27-S1switchwhilemonitoring A27-K5andverifythattheA27-K5relaydoesnotdropout.RecloseA27-BlandA27-CB1.LifttheCB-4motoroperator.

pj)InserttheP-6block.Reinsertthemotoroperator.

CloseCB-2.TransferloadstoUPSpowerandverifymimiclightsarestillon.

page3Transferloadstomaintenance powerandverifythatmimiclights,arestillon.nPlacethetransfercontrolswitchintheAUTORESTARTposition.

Theunitvillrestart(afteratimedealy)andretransfer toUPS(Qpower.

'I

...-.--:.YORKlgPROGRESSDATA9HEET-'.-.:.-...:.St'n-I'L~Ol~cln"GOtl>er0NolApplicable wf~bo-uP~igSI1arkNo.GEI-'NEstimated Duration:

Permissible ReactorI'lode:QAIIGHotShutdownQRunQColdShutdownQStart-up GRefuelDIV:GIGII0Ill0NAGHotAppllcabla (Equlpmenl OutofService)rlerk-upnenuiredpKYes GttoEQUIPI'1ENT II'IPACT(LISTOUTOFSERVICEEQUIPMENT)

PLANTIMPACT(REQUIRES OPERATION SINPUT)REFERENCE DRAWINOS:

(LISTBELOW)C$1t1ENTSPrepared8yLAnnl'~~Date:~~4L9L lech.AavlewerOate:IZGTIstnIhwithNoPlantimpactReviewedwith'Crew By:upv/Chief PerryisslonRequested to8arty:Date.Permission OrantedtoStartBy:SSSOatsgttrna:~Oe-CSOllenotlllcations:

0/S55/C500/SS5/CONTINUED

-IBACKWOate:~]'~i>~/QTtme-0.Oats(A"AiTIme:942.

/SSS/CSO

GHuDNoDNoTESTAEatjfAmEVTSPAOCEOVAES StepNo.'sSteNo.'sStepHo.'sStepNo.'sOeferredQHAaVesQHoQMAQYesQHoQHAGYesQHoQHAaxesQHo0SatQSatQSatPerformed SyVerifiedBywGTestTestTEST5Acceptance CriteriaYi~>/i//~z<~'>'p 8Z~Si.r~~!~~i"rrig0Test0GYesHo(ri~~jd~/rcDTestDYesQHoDSatD'test0GYesGHoPreparedby.Technical Reviewer:

Reviewedby:nate:M/M/&

~Date:X/W/

+<'55S/S55'bate

./'..GYesGHoQSat//GShellidSectionhot'dan/Document onWARemai'ks:..'

'....dwithWA..:..-:.:.:.Nnte:Thibelow.sljriaturi;.

whenslined,."-declarestheequipaent operableafthe'-;..-:::date hndtlmaspectfiid::.:-:.:

'::~ji<ept0dOy:......

55Sl)ete:'/./=,Time::'I

~lt 5GEE/EbsIVIIE>>/Lff)j/SIfUMOHAWKpO)NTr,8"l~l'195012',3.DEPARTMENT TO00WORK+QsELECTRICAL MAINTENANCE QEQsMECHANICAL MAINTENANCE QEQsINSTRUMENTATION

&CONTROLQEQsCOMPUTERQUQsISIQEQsSECURITYI&CQEQsFIREQsQsMETER&TESTQEQsOTHER4,PRIORITYOFWORKQIEMERGENCY DDURGENT((/DAY)

'NECESSARY I(7DAYS)QEASTIMEPERMITSI)7DAYS)QtNEXTUNITOUTAGENEXTREFUELING OUTAGE5.UNIT:SII~2gt/ITE6.SYSTEMCODET,COMPONENT NUMBEIT~XVFlX-<l SI<r18.SAFETYCLASSQSRQQPf'NSR19.FQGYESPtJVO20.ASMECOMPONENT 0YES@4021.CIEANNESSCLASS9.EQUIPMENT TITLE10.FAILUREDESCRIPTION ANDLOCATION\11.NPRDS.SYMPTOMCODE0DESCRIPTION

-.-.:-"'..

12.ORIGINATOR

.""..l3.APPROVED'

'~H.~DATE+/~/DATEM/~+/-Tl-14.W.R:RECEIVED.

DATE/~/15.PROCEDURE NOR/~~~///~,0REQUIRED.

IB.tZOANO11FIEDBYSUPV.

"'DATE""'I~P""--IN-":O'A'NAME'7.

ACCOUNT.7oII'I'II=.o(2ZQAREVIEW.QA2X'NSPECTION REOUIRED'lYES~;"-e~4~I'I/~IWT-24:.STAGEDBV

"-.--.DATE"'/-QPARTSEIPRQCEDUREGJORWGQMARKUPE3RWPONA~

ASSIGNEDTO'"'OATEN'/@/Ll:2IE'NOTIRCATIONR OCOATS"'~.TIME~CÃfATa>>i/Vi'.g~

DATE'rI/~/~TIME/4SPI'.:

27CORRECTIVE ACTION28:NPRDSCORRECTIVE'ACTION COBE'~"DESCRIPTION'cW

~~7t%~~Pr>>>>t.-'29.CAUSEOFFAIIURE~30.NPRDSFAILURECODEgK9OESSIIPTION utQS-::-31.ATTACHMENTS 0MATERIALISSUES32.MARKUPNO'S233.CORRECTIVE ACTIONCOMPLETED r34.SUPERVISOR REVIEW.BY~o35.WORKACCEPTEDBYQAESPROCEDURE CNECRUSTS OINSPECTIONREPORTS IDIASRWPNO'S//'CIRNQ'S~~NCRNO'ATER/~/DATE~/~/ZC QNADATE/7/36.PMTREVIEWBY37.PMTPROCEDURE NO'S.~~~/PMTCOMPLETEVERIFIEDBY39.ACCEPTEDBYI/CIASSS/SSggUPV.

DATEZ/~/~/0PEATTESTREPORT0NOTREOUIRGO0NADATE~/~/~0SSS0SUPV.DATE///s~r40.NPRDS0NASYSTEMCODEOTS.ISOINIT.wO'YA41.INDEXEDBYDOC.CONT.INIT.INSTSYMSOI.IEIPMIIEII SSS2OSSISO/2~SS l1 VerifyP-6blockopenonCB-4page1Verifylogicpowerisoff:A27-CB1open~gA27-S1open5'CAUTION:RIGHTSIDEBUSCONNECTIONS-ARE HOTINSTALLRUBBERBLANKETS'nplug thefollowing plugsonA27:1'A27P32.)A27P43.)A27P64.)A27P5.)A27P2RemoveA27panfromunitModifyA27-K5relaywiringperEDCReinstall 1.)2-)3.)4,)5.)following plugs:~A27P3A27P4A27P6A27P1A27P2CloseA27-Sl(LeaveA27-CB1open).IVerifymimiclightscomeononthefrontpanel.Alarmhornwillcomein.(Resetasnecessary)

page2PushrelayA27-K5inANDHOLD.Verifythatlightsgoout.b.1ReleaserelayA27-K5andverifylightscomeon.LiftmotoroperatoronCB-4'lugP-6blockinonCB-4ReattachmotorertoronCB-4f'NcCIJgC.oC(4'~<4>4>

.4(gf.~~aw4P.3~<40W~VwIlf75//PPc+c~,E~~a-egg'~~s/~~7~rh~4/~~"~~~F'e-energize theUPS4(~M2i~iZ.4i.MCC(Cng.V-lZ~~(p(/u/~r~~(P'(7~)~6J/~-aW4(M~ugfVisuallyverifythattheA27-K5relayisenergized.

+/MtfL7~4QIOpentheA27-S1switchwhilemonitoring A27-K5andverifythefollowing:

a.)TheA27-K5relaydoesnotdropout.ReclosetheA27-S1switch.~~(o

<>'7-~Pieggc4,-Yo/'~r<(ry~8-C@44(4'-4-<getCg-y4(~~(fO~WiththeUPSfeedingtheloadsopenA27-CB1.~~i/o~Transferloadsto'owerandverifymimiclightsarestillon.

f$C/9/page3w~i~~Transferloadsto~poverandverifythatmimiclights'arestillon.-~iy~s~i~C~,rmrL~a~>rau+i~lfkyvf53fl~PlaceA27-CB1on.~

lliL'4

.vfoRKlgPR06IIEss DATA'¹ppT.-':

mWit0f/~QOtiierQNotAppllcabla

>486-KPSIcgl1arkNo0EPNf'iocedureNo.Estimated Duration:

f'eimissibleRe.xtorIlodeQAIIGHotShutdown0RunQColdShutdownQStart-up QRefuelDIV:0I0ll0ltl0HA0NotApplicable EQUIPNENf IIIPACT(LISTOUTOFSERYICEEQUIPNENT)

(Equipment OutofService)Nark-upRequiredYas0HoPLANTINPACT(REQUIRES OPERATION'S INPUT)REFERENCE DRAWINGS:

(LISTBELOW)ONf1EHTSPreparedByDate:/'lech.AevlowerDate:htsstl/withNoPlantImpactAevlewedwith'Crew By:Supv/Chief Date:E//~Perraisslon Aequested toSBy:Date:5/5/5 Tlute:4Z:/d Permtsston GrantedtoStartBy:SSSnt.I"rett:--cso~~'"'onol lllcollons:

D/SSS/CSO0/SSS/CSOCI/SSS/CSOCItHIVEl'BAG'

~os'A)NTNENgp, TFS]g.-TESTBEaUIAENENTS

...

:PNTREQUIRED...

~sMo~~'.TEST3ESUlTS0NoGNaQNoPROCEDURES StepNo.'sStepNo.'sStepNo.'sStepNo.'sTESTSDefelIedOWOYesONoONhGYesONoQWAGYesONoO~OYesOHoGSetOSatPerformed ByYerifledByVTestTestAcceptance CrtteriaOTestOYesONoOTestOYesGHoGSat0TestGYesGHooII~QYesOHo//Preparedby:~lechnteatRevtewer:fteviewed by:Date:LIBIM~

Date:4/~/M~~~ASSS/S5$bale:J/0ShIHodSectionhei'4aelWithWA/t?IcOeOntenWR.flbmalks::-Nbti:fhe below.atdenature.whensfiroed.:

declarestheequtpraant operableatthe-.daleandlimespactftid::.:..:$>ept0d9y:.'.-..--55890te:I.I.Itic:.:.

SARANINEMILEMOHAWKPOINT3.DEPARTMENT TO00WORKg.QsELECTRICAL MAINTENANCE QLQsMECHANICAL MAINTENANCE

'gQsINSTRUMENTATION

&CONTROLQLQsCOMPUTERQLQsISIQLQsSECURITYI&CQLQsFIREQLQsMETER&TESTQLQsOTHER195013ria3i4.PRIORITYOFWORKQ'MERGENCY oWQ2URGENT((I DAY)QINECESSARY

((7DAYS)~TEPERMITS{>7DAYS)UNITOUTAGEQsNEXTREFUELING OUTAGE.5.UNIT:01g206.SYSTEMCODE7.COMPONENT NUMBER6.BIPNUMBER18.SAFETYCLASS0SR00~SR19.EQ0YES@NO20.ASMECOMPONENT 0YESNO21.CLEANNESS CLASS*9.EQUIPMENT TITLE:10.FAILUREDESCRIPTION ANDLOCATION11.NPRDS.SYMPTOMCODEDESCRIPTION 5Nn~12.ORIGINATOR 13.APPROVEDDATE&!/~/DATE+/M/14.W.FLRECEIVED160QANOTIFIEDBYSUPV."DAT~~/'DATE/~'i""TIME"'"'QANAME""'OT

~-.-C)REOUIREDT;wJC'7.ACCOUNT-I'III'I/~Wc7.Y4'----"-F4'z~--z-~o.cryo2QAREVIEWQA.DATE'/~cN/~23.INSPECTION REQUIRED'-YES.

~O'"~1'.TAGEDSY

A--".'ATE~~'IPARTSC!PRQCEDURECIORWGTIMARRUPCIRWPCINA~

.-25.ASSIGNEDTO-""'IEL'-'A'E/~/~26.NOTIFICATIONS QC'ATE/'/"'IME'~1EEAo//va/.SSSOAT~4llME~721.CORRECTIVEACTION"'.'26; NPROS.CORREDTIVEACTIONDOOEH "DESCRIPTION s~ci-~'.I'R.ImK/IgC)4Al'29.CAUSEOFFAILURE3K'NPRDSFAILURECODEK8DESCRIPTION hV~~,0~~31.ATTACHMENTS 0MATERIALISSUES..32:MARKUPNO'S/~33,CORRECTIVE ACTIONCOMPLE34.SUPERVISOR REVIEWBY35.WORKACCEPTEDBYQA36.PMTREVIEWBYL'MTPROCEDURE NO'S.~M/38.PMTCOMPLETEVERIFIEDBY39.ACCEPTEDBY0PROCEDURE CHECKUSTS 0INSPECTION REPORTS0LASRWPNO'6/CIRNO'6alw;NCRNO')wA4DATE~/~/DATE/~/~~ADATE8/7/CIASSS/~SUPY.

DATE>/>C/0PMTTESTREPORT0NOTREOUIREO0NADATE~/~/~~0SSS0SUPV.DATE//40.NPRDS0NASYSTEMCODESISISBINIT.41.INDEXEDBYDOC.CONT.INIT.SYMBOLhUMBBRSS~0205SA09SS

VerifyP-6blockopenonCB-4page1Verifylogicpowerisoff:A27-CB1open+A27-S1open~*CAUTION:RIGHTSIDEBUSCONNECTIONS AREHOTINSTALLRUBBER~BLANKETS'nplug thefollowing plugsonA27:1'A27P3~2.)A27P4+~3.)A27P64.)A27P15.)A27P2~RemoveA27panfromunitModifyA27-K5relaywiringperEDC~Reinstall theA27pan.Reinstall 1.)2.)3.)4~)5.)following plugs:~A27P3<A27P4~A27P6~~A27P1~A27P2~CloseA27-S1(LeaveA27-CB1open).Verifymimiclightscomeononthefrontpanel..~Alarmhornwillcomein.(Resetasnecessary)

page2PushrelayA27-K5inANDHOLD.Verifythatlightsgoout.ReleaserelayA27-K5andverifylightscomeon.C,c.~>g<pS'~~~csC<c.fY~m~aC~2g~~q~CglRe-energize theUPSonACpower,CB-2open,withloadsonmaintenance.

VisuallyverifythattheA27-K5relayisenergized.

+OpenA27-CB1.OpentheA27-S1switchwhilemonitoring A27-K5andverifythattheA27-K5relaydoesnotdropout.RecloseA27-BlandA27-CB1.~LifttheCB-4motoroperator.

inserttheP-6block.Reinsertthemotoroperator.

+CloseCB-2.~TransferloadstoUPSpowerandverifymimiclightsarestillon.

t' page3Transferloadstomaintenance powerandverifythatmimiclightsarestillon.PlacethetransfercontrolswitchineAUTORESTposition.

ThenitwillrestartfteratimedeaandretransrtoUPSpower.grJ-3)7+A)ceo5W/c.~

'I

..posT.NAINTFNENGE:-TESTS::::.:-

TESTAEOU(AENENTS

PMTRFQlJIRED-.

--.gY<S:..0-TEST'3ESUlTSPAOCEDUAES DeferredSatPerformed ByVerlfledBy0Nu0No.0No.0TestTestStepNo.'sSteNo.'s..........................R..................................................................

SteNo.'sStepNo.'sTESTSAcceptance CrtteriaOYesONoGYesQHoGYesQHoQYesGHo0Sat0SatN~Nr.1>'7lgglJyrgp LlI-K'OCKQ.0Test0Test0Test0QYesHoSnQYesQHo0SntDYDtlo8t~.4)rPreparedby:Technical Aevlewer:Reviewedby:.Date:~/M/9lDate:X/A/&<

iSSSiSSS-Date'.i:i-QYesQHoQSat.GShatied Sectionhot'Saeva withWA/Daciamlnt onWARemarks.'..-*~*.~~~~~'~'~~::.:.:::Note:-The heine.algnaturi;:i'lien.'lIned,

.declarestheequipment operableaf'the..:..:::date andtlrriaspectfjed::'..:::-'-:-:

.:-..:hbCept0d9y:......558 l70te:'//Tline:'..

'h leak'nLL~Oi~0p¹0Ottier0NotApplicable

~.WORKINPR06REsQ.DATA SHEET:'rricedure tlo.Estimated Duration:

f'ei~nissibie Rev.t~rIIcde.QAllQHolShutdownQRunQColdShutdownQSlart-upQAefuelOIY:QlQ11QIll0MQNotApplicable (Equipment OutofService)clerk-upRequiredpAqe ClNoEQUIPNENf II1PACf(LISTOUTOFSERVICEEQUIPMENT)

PLANTIMPACT(REQUIRES OPERATION'S INPUT)REFERENCE DRAWINGS:

(LISTBELOW)COI1t1EHTS PreparedByd-AllRlhhkslgate.lech.RevfewerTbslnH/AwithNoPlantImpactReviewedwith'Crew By:Supv/Chtef Oate://>Perialsslon Requested toSarty-Date:E/PTtme~iPermission GrantedtoStartBy:SSSDais.2i@/2T

'lima:e/4:>MCSD>'aislolXP"TimeQ'.'<'lsnoliiicallone:

CI/SSS/CSDCl/SSS/CONTINl>¹OON8ACK 4

3.DEPARTMENT TOOOWORKQQSELECTRICAL MAINTENANCE QiQsMECHANICAL MAINTENANCE QiQsINSTRUMENTATION

&CONTROLQiQsCOMPUTERQiPsISIQiQsSECURITYI&CQiQsFIREQiQsMETER&TESTQi,QsOTHER9.EQUIPMENT TITLE:4.PRIORITYOFWORKQEMERGENCY Q2URGENTI<1OAY)QINECESSARY

(<7DAYS)Qs4@TIMEPERMITS(>7DAYS)+~UNITOUTAGENEXTREFUELING OUTAGE5.UNIT:01QgT6.SYSTEMCODEV7.COMPONENT NUMBER%~V~(

8.BIPNUMBER18.SAFETYCLASSQSR00IK(I)SR19.EQ0YESI)QIO20.ASMECOMPONENT 0YES2KNO21.CLEANNESS CLASS10.FAILUREDESCRIPTION ANDLOCATION11.NPROS.SYMPTOMCODECIDESCRIPTION

>cZc12.ORIGINATOR e':13.APPROVED14.W.R.RECEIVED15.PROCEDURE NOS./2~I~4~/16-0QANOTIFIEDBYSUPV.DA1'E'/-'.'~""..11ME DATE2-/2Z/~~3PATEc8/~/FjDATE~/~/~'

/CIREQUIRED'QANAME17.ACCOUNTIIIII''III.i+'5.',:.-.'-:g~.-"-':".woo'24426-NECE'27'Y,iOAREVIEWQADATE~'/~~~

~+23'NSPECTIONREQUIRED':

O:YESAWTIOISl'AGEDBY'""'ATE."/~CTPARTGIDPEQCEDURECIDRWGCIMITRKI/PCTRWPCINA'~

ASSIGNEDTO B"~P'r/A"'-"'"'=TCOATE~~-

C/~~~YINOTIPICATIONR QC.DATE'~11ME""'"MAaArnrk2$1.DATE~/~2A

~-'IE~MECORRECTIVE ACTION.28.NPRDSCORRECTWEACT)CACOOE

~'ESCRIPTION P~kZPVCMW/d\~~'.29.CAUSEOFFAILURECCVY30,NPROSFAILURECODECZ3DESCRIPTION S~rl31.ATTACHMENTS 0MATERIALISSUES0'PROCEDURE CHCRUSTS0INSPECTION REPORTS0LAS032.MARKUPNO%/3JMEI/CZRWPNO'S/~4T'CIRNQ'S,NCRNO'3.CORRECTIVE ACTIONCOMPLETBYOATW~/~/34.SUPERVISOR REVIEWBYDATE~/~/~35.WORKACCEPTEDBYQA0NADATEE/MM/~36.PMTREVIEWBY31PMTPROCEDURE NO'S.~/I/P.PMTCOMPLETEVERIFIEOBY39.ACCEPTEDBY0ASSS/SSS~UPV.

DATE~I~/~/

/0PMTTESTREPORT02IOTREQUIRED0NADATE+/~l~I0SSS0SUPV.DATE//INIT40.NPROS0NASYSTEMCODEBIBISBINIT.41.INDEXEDBYDOC.CONT.INIT.SYMBOLIIUMBEASS~220$$409~8$

VerifyP-6blockopenonCB-4page1Verifylogicpowerisoff:lA27-CB1openA27-S1open*CAUTION:RIGHTSIDEBUSCONNECTIONS AREHOTINSTALLRUBBERBLANKETS'nplug thefollowing plugsonA27:1.)A27P32.)A27P43.)A27P64-)A27P15.)A27P2RemoveA27panfromunitModifyA27-K5relaywiringperEDCReinstall theA27pan.Reinstall 1.)2.)3.)4~)5.)following plugs:A27P3A27P4A27P6A27P1A27P2CloseA27-Si(LeaveA27-CB1open).Verifymimiclightscomeononthefrontpanel.Alarmhornwillcomein.(Resetasnecessary)

page2PushrelayA27-K5inANDHOLD.Verifythatlightsgoout.SitReleaserelayA27-K5andverifylightscomeon.C<~e~g>'aIi'X~M~C-E.AfRy'fc~~=~gaa/Re-energize theUPSonACpower,CB-2open,withloadsvnmaintenance.

VisuallyverifythattheA27-K5relayisenergized.

OpenA27-CB1.ppOpentheA27-S1switchwhilemonitoring A27-K5andverifythattheA27-K5relaydoesnotdropout.RecloseA27-SlandA27-CB1.LifttheCB-4motoroperator.

InserttheP-6block.Reinsertthemotoroperator.I, CloseCB-2.TransferloadstoUPSpowerandveri'fymimiclightsarestillon.(l~

page3Transferloadstomaintenance powerandverifythatmimiclights5"p,arestillon.PlacethetransfercontrolswitchintheAUTORESTARTposition.

Theunitwillrestart(afteratimedealy)andretransfer toUPS~'<power.

"~

~~~~~~~5gl~~~jC~l~Eo~s4iiaiia-'BRR~Rll~81I~NM$1l~M511~M$55~885F>llll5..b1~R8RI~515~5H~81I~RN~..855~REI~NWll~Rllaii1IR%M~KRR5%5&WSK4WK55RSKF'~"mmmRQH~IlRRRRW~IIMRSM~llMKSSR~LISSMRR5IISRI555%

~IIRRRSRR~IRRRRSM~IRMARR~kMMRR~IMAM~ERMMM~IERHI~%M~IkMRRMSliMMM5IRMMMWllMSR1IIMWSX&

t

.-:;:~:::Ihl'ORKIN'PP.9RESQDATA8HEET'-.:

fcfWilel.~~i0Other.QNotApplicable WVIE-ePSi(-g)1arkNo.QEPNSeeProcedure No.E'stimated Duration:

Permi'UleRe,z)or)lode:QA)l.QHotShutdownQRunQColdShutdownQstart-upQRefuelQlQIIQIt)0<AotAppllcable (Equ)ptnent OutofService)Mark-upRequiredpresQHoEQUIPMENr

)nPAcr(LISTOUTOFSfRY)CEEau)PMENr)

PLANTIMPACT(REQUIRES OPERATION'S INPUT)REFERENCEDRANINGs:

(I.isrBE).ow)CoriNEHTS PreparedByDale-ITech.RaviewelDate-/0ftionNIAwithNoPlantImpacReviewedwith'Crew By:Supv/Chio(

Pertaisslon Requested toStrt8.Dat:Permission GrantedtoStartBy:SSSDate:hNTfme:~:

CSOCennliflcallnna:

CI/55S/CSO0/SSS/CSCO)'lTINUEDONBACVOafeA//"Time:Q:~Date:~5/>i T)me:.~~/555/'"CSO

.P08T:l1AlH7FNENGE:.

TE8TS:::'.,".:

TESTREQUIREMENTS

PAT.REQUIRED."

oY<8.@NoTESTRESUlTSQNo.QNoQNoQNoPAOCEOUAES StepNo.'sStepNo.'sStepNo.'sStepNo.'sTESTSDeferredSatQYesGHoDYesGHoONAOYesQHo0SatGYesGHo0SatPerformed SyVerifledBy0lestTestAcceptance CrtteriaI-IDaGfLdRe0;0Test0Test0Test0YesHoSa'tQYesOHo0SatOYesQHo0SatPreparedby:7echnicatReviewer:

Reviewedby:.Date:~/H/M~Date:X/+~/~~

.iSSSiSSSbrie'..i.iQYesGHo0SatQShiledsectionhot'4IIBwith1AtRIDoctsmbnt onWRRema'res:

.'".':-Nnte:

Thebelowstgnaturi;:when slaned,.declarestheeguiptaent operab1eaf'the..dateandttrriasjeelftid::-:.:-:

5~iptedBy:.-.'.-..5SS00te:./=/,-Tfme:-':

I UPS1AEFFICIENCY CALCULATIONS:

(8/91)Volts:PhaseA:PhaseB:PhaseC:Input:600600600Output:~120124122Amps:PhaseA:PhaseB:PhaseC:4036361005090KW>=~I~xEx1.73x.f.1000(p.f.~=.89fullload)1000approx1.0)EFF=KWpUTKW~=37.3x600x1.73x.8=30'7KW1000KWpUT100x120+50x124+90x122x1.0=29~18KW1000EFF=29.1830.97~94~2ExpectedEff:82491/2load8449fullload

UPS1BEFFICIENCY CALCULATIONS:

(8/91)Volts:PhaseA:PhaseB:PhaseC:Input:620610600Output:120.5122121Amps:PhaseA:PhaseB:PhaseC:484446957590KW~=~I>xEx1.73x.f.1000(p.f.~=.89fullload)tl'000approx1.0)EFF=KW()~KW~=46x610x1.73x.8=38'4KW1000KW()~=95x120.5+75x122+90x121x1.0=3149KW1000EFF=31.4938.8481.11ExpectedEff:82491/2load8449fullload

(<'

UPS1CEFFICIENCY CALCULATIONS:

(8/91)Volts:AmpsoPhaseA:PhaseB:PhaseC:PhaseA:PhaseB:PhaseC:Input:605600600908486Output:119120122180160165KW~=~I>xEx1.73x.f.1000(puff~=.89fullload)1000approx1.0)EFFKWKW~=86.6x602x1.73x.8=72~1SKW1000KWpUT'80x119+160x120+165x122x1060~75KW1000EFF=60.7572.1584'9ExpectedEff:82491/2load8449fullload V

UPS1DEFFICIENCY CALCULATIONS:

(8/91)Volts:Amps:PhaseA:PhaseB:PhaseC:PhaseA:PhaseB:PhaseC:Input:620610605747070~Output:.121119121135155140KW~=~I>xEx1.73x.f.1000(p.f.>=.89fullload)1000approx1.0)EFFKWKW~=71.3x612x1.73x.8=60~39KW1000KWo~=135x121+155x119+140x121x10=5173KW1000EFF=51.7360.3985.66ExpectedEff:82491/2load8449fullload i\t!{l