ML17216A667

Rev 4 to Maint Procedure 2-2200062, 2A Emergency Diesel Electrical Insp.

ML17216A667
Person / Time
Site:	Saint Lucie
Issue date:	03/26/1986
From:	BARROW J H FLORIDA POWER & LIGHT CO.
To:
Shared Package
ML17216A664	List: ML17216A663 ML17216A665 ML17216A666 ML17216A667 ML17308A256
References
2-2200062, NUDOCS 8608190299
Download: ML17216A667 (24)

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Page1of14gpTITLE:FLORIDAPOWER&LIGHTCOMPANYST.LUCIEUNIT2ocumenMAINTENANCEPROCEDUREN-2200062REVISION4paIgfNFQHMATIQIQNLVtsdocumentisnotcontrolle..:v'ionwith,ocontrolledd2AEMERGENCYDIESELELECTRICALINSPECTION2.0REVIEWANDAPPROVAL:ReviewedbyFacilityReviewGroupApprovedbyJ.H.Barrow(for)PlantManagerAril25,1983June20,1983Revision4ReviewedbyFRGnApprovedby3.0PURPOSE:1~antManager-p019~9519ThisprocedureprovidesinstructionsfortheElectricalInspectionandongoingequipmentqualificationofthe2AEmergencyDiesel.4.0PRECAUTIONSANDLIMITS:4.1AspertheTechnicalSpecifications,thesequenceofswitchingandvalvingisatthediscretionoftheNPS/ANPS.4'2Usesafetyprecaut'onswhenmeggeringgenerator.4.3ThisprocedureistobeconductedconcurrentlywithOperatingProcedure2-0400050,"PeriodicIntegratedTestofEngineeredSafetyFeatures."5.0RELATEDSYSTEMSTATUS:/R4AspertheTechnicalSpecifications~IS2OPSI!DATEiDOCTPROCEDUREIDOCN2:2200062ISYS)COMPCOMPLETED]ITM8b081902998b0815PDRADOCK05000389PPDRI hoIJtIIh~>h ST.LUCIEUNIT2MAINTENANCEPROCEDURENO.2-2200062,REVISION42AEMERGENCYDIESELELECTRICALINSPECTIONPage2of146.0

REFERENCES:

6.1UnitIITechnicalSpecifications3.3.3.5,3.8.1.1,3.8.1.2,3.8.2.2,UnitIISurveillancerequirements4.8.1.1.1,4.8.1.2,4.8.2.2,4.3.3.5.1,4.3.3.5.2.6.2AdministrativeProcedureNo.0010432,"PlantWorkOrders"~6.3OperatingProcedureNo.0010122,"In"PlantEquipmentClearanceOrders".6.4AdministrativeProcedureNo.0010430,"MaintenanceonClassISystems".6.5QI13-PR/PSL-2,"CleanlinessControlMethods"~6.6PowerSystemsDieselManual-2998-7435,Chapter17,Sections5.1through5.6,5.7.2,and10.6.7FPLSafetyRuleManual.6.8MaintenanceProcedureNo.0920062,"GroundingorTestingofHighVoltage(4.16or6.9KV)Motors".6.9DobleInsulationTest,Form39460QI11-PR/PSL-3~6.11NuclearEnvironmentalQualificationProgramforDieselGeneratorUnits,Section5./R47.1AsignedoffcopyofSection9.0ofthisprocedureattachedwithPWOshallberetainedasQArecordsinaccordancewithQI17-PR/PSL-1.7.2Normalswitchingorderlogentries'R48.0MATERIALSANDEQUIPMENTREQUIRED:8.1Realtimeanalyzerandassociatedequipment,orequivalent.8.2MeggerandSimpson260orequivalent.8.3Liftingequipment(chainfalls,slings,comealongs,etc)~8.4Electricianhandtools.8.5VariableACsource0-150V60HZ.8.6Wrenches,sockets.8.7Rags./R4/R4

ST.LUCIEUNIT2MAINTENANCEPROCEDURENO.2-2200062$REVISION42AEMERGENCYDIESELELECTRICALINSPECTIONPage3of148.0MATERIALSANDEQUIPMENTREUIRED:(continued)8.8Airdryer.8.9Vacuumcleaner.8.10Scotchbritepads,contactcleaner.8.11Form3946.8.12FrequencyMeter.8.13EightChannel,ChartRecorder8.14TwoChannelChartRecorder8.15FlukeV.O.M.withclamp-onandtemperatureprobeattachments8.16Volt.Frequencyandamperagetransducers/R4/R4/R4/R4

Page4of14ST.LUCIEUNIT2MAINTENANCEPROCEDURENO.2-2200062,REVISION42AEMERGENCYDIESELELECTRICALINSPECTION9.0GENERALINSTRUCTIONS:THEENTIRE"GENERALINSTRUCTIONS"SECTIONOFTHISPROCEDUREHASBEENRE-WRITTENNOTEAllitemswith*designateongoingenvironmentalqualificationofequipment.Thesereadingsand/orinformationshouldbecornaredwithoriinaltestdata.9.1Priortoplantshutdown(18mo.)installtemporarychartrecordersand/orinstrumentstomonitordieseloutputforECCStestprocedure2-0400050.LOCATIONDieselControlCAB2A34160VSWGR*DieselGeneratorMONITORGen.VoltageGen.FrequencyVMRDryContactFMRDryContactGen.AmperesStatorTemperatureINIT/DATE(RequestI&CDepartmenttomakethis"setup)NOTESeeattacheddrawingsforterminationdetailsofaboveitems.9.2DuringECCStestobservedieselstartatdieselcontrolcabinet.Verifyproperspeedlightsequence.9.3Obtainstarttimefromoperations"SequenceofEvents"recorder.Thisisdonebysubtractinginitiationoftesttimefromdieseloutputbreakerclosuretime.TimeSeconds9.4DuringthedieselrunoftheECCStest,afterloadhasbeenstabilized,recordthefollowinginformation:1.VibrationSinatureUsing"Snapshot"orequivalentequipment,takeavibrationsignatureofthegeneratorbearingsandattachacopyofittothisprocedure.2.GeneratorStatorTemeratureRecordtheaveragestabilizedtemperatureofthosetakeninStep9.1./

4J Page5of14ST.LUCIEUNIT,2MAINTENANCEPROCEDURENO+2-2200062,REVISION42AEMERGENCYDIESELELECTRICALINSPECTION9.0GENERALINSTRUCTIONS:(continued)9.4(continued)INIT/DATE3.GeneratorBearinTemeraturesAfter1hourofrunningatratedload,useahandheldtemperatureprobeonbearinghousingsandrecord16Cyl12Cyl4.AmbientAirTemeratureRecordambientairtemperatureindieselroom,andairenteringthegenerator.RoomTemp.FIntakeGen.Temp.'F5.FieldCurrentUsingaclamponammeteronsecondarysideofC.T.forfieldcurrent,recordstabilizedfieldampsatratedloadongenerator.Amps6.NeutralCurrentUsingadigitalFlukevoltmeter,measurethevoltagedropacrossthegroundingtransformerresistoratTB4-20andTB4-31'oltsCalculateneutra1currentI~E/RR~1.34ohmNeutralAmps9.5AttheendoftheECCSrunofthediesel,haveOperationsunloaddieselandopentheoutputbreaker.1.Checkoperationofthevoltageregulatorinlocalandremote.Verifyvoltagecontrolbetween4000VACand4300VAC.RemoteLocalAutoLocalRemote2.Observeoperationofgovernorcontrols.Checkforsmoothoperationbyvaryingspeedcontrolbetween58Hz-62Hz.RemoteLocal Page6of14ST.LUCIEUNIT2MAINTENANCEPROCEDURENO.2-2200062,REVISION42AEMERGENCYDIESELELECTRICALINSPECTION9.0GENERALINSTRUCTIONS:(continued)INIT/DATE9.6Attheendofone(1)hourrun,requestaclearanceon"2ADiesel"~Clearanceshouldincludethefollowing:1.Breaker2-20211(2A34160VBus)-Rackedout.2.RemoteControlSwitch(OnLoadPanel)-Isolate.3.125VDC-Bus2ACKT37CWD1608.4.MCC2A7Breakers2-41407,2-41408,2-41409,2-41411,CWD1120,1121,1607.5.125VDCBus2ACKT22.6.Voltmeterandwattmeterfor2AdieselonHSCPshouldberemovedandcalibratedatthistime.9.7Removebreaker2-20211fromcubicle.Groundgeneratorper"GroundingandTesting"ProcedureNo..0920062.9.8PullGeneratorPTfuses.RemoveleadsoffgroundingtransformerinGeneratorControlCabinet.Removecablesofflightingarrestors.VerifiedNOTEPriortoperformanceofSteps9.9,9.10,9.12discusswithelectricalsuervisor.ll*9..9Meggerat5000VandDobleDieselGeneratorfromgxounddevice.Ensurepropersafetyrulesareadheredto.RecordDoblereadingsonForm3946,meggerreadings/polarizationindexonForm2210.*9.10RecordD.CDleakagecuxrentwith1.7P.U.ratedvoltagestress(7072volts)onstatorwindings.*9.11RecordwindingresistanceonstatorandrotorStatorRotox'.12Recordbearinginsulationresistanceorleakagecurrent.OhmsAmps9.13Groundgeneratorwithgroundingdevice.Verified

Page7of14ST.LUCIEUNIT2MAINTENANCEPROCEDURENO.2-2200062,REVISION42AEMERGENCYDIESELELECTRICALINSPECTION9.0GENERALINSTRUCTIONS:(continued)INIT/DATE*9.14Removeendbellscreensandmakethefollowinginspection:1~Inspectbrushesforwearandcorrectseatingandspringtension.NotifyForeman/Supervisorwheninspecting.2.Inspectinsideofgeneratorforanyunusualconditions.Cleanliness,oilleak,etc.NotifyForeman/Supervisorofanyabnormalities.9.15Blowoutgeneratorwithdryair,andwipedownwithclean,lint-freerags.9.16Replaceendbellscreensafterinspectionandcleaning.Cleanallsurfaces.*9.17Inspectgeneratorleadbox.Inspectionshouldinclude:looseconnections,deteriorationofwires,tapingofleads,etc.Cleaninsulatorsandvacuumcabinet.9.18Inspectcontrolcabinets'nspectionshouldinclude:Checktightnessofallconnections,visualinspectionofrelays,switches,andwiring.Removefusesandcleanwithscotchbritepads.Changeoutdeterioratedfuses'acuumcabinet.1.Inspectvoltageregulatorcabinet.Checkforlooseconnectionsandvisuallyinspectcomponents'acuumcabinet.2.ChecktransformersandCT'sandcables.Cleaninsulators.Vacuumcubicle.Tightenconnections.NOTENotifyForeman/Supervisorofanyabnormalities.NoteonPWOanyfindings.9.19Meggergeneratorfromgrounddevice.Recordmeggerreadingsonform2210.ReadingsshouldbegreaterthanorequaltoreadingstakeninStep9.9.9.20ChangegovernorhydraulicactuatoroilonbothengineswithN-100oil.Filltospecifiedlevelonactuatorsightglass.FollowSection12ofTech.Manual"CentrifugalGovernorCompensation,"toventairoutofactuatorsduringrun.

ST.LUCIEUNIT2MAINTENANCEPROCEDURENO.2-2200062,REVISION42AEMERGENCYDIESELELECTRICALINSPECTIONPage'8of149.0GENERALINSTRUCTIONS:(continued)ICAUTIONIFVENTINGPROCEDUREISNOTFOLLOWED,OVERSPEEDOFENGINECOULDRESULT.NOTESteps9.21,9.22,9.23,and9.24willbeperformedwithanelectricalenineersdirection.INIT/DATE9.21Select(10)tenrelaysfromthefollowinglistandisolate'rremovefromthecircuittoperformthetestsrequired.l.Operatetherelaysfor10cyclesbeforetakingmeasurements.Applya100maloadthroughthecontactsandmeasurethevoltagedrop.Ifanyofthe10relayshasaresistanceg'reaterthan100milliohms,replacethatrelayandperformthistestonallKPD-13relaysinthepanels.Replaceallhavingcontactresistancegreaterthan100milliohms.2.Measurethecoilresistanceofthe10relays.Ifthevalueisoutsidetherangeof5885to7195ohms,replacethatrelayandperformthistestonallKPD-13relaysinthesystem.3.Usinga500voltmegger,checktheinsulationresistanceofthe10relays'tshouldbegreaterthan10megsat500V.Ifanyrelayislessthan10megs,replacethatrelayandperformthistestonallKPS-13relays.4.Visuallyinspectall10relays.Notetheappearanceandrecordanynoticeablechanges,(burnedcontacts,brittlehousing,etc.)~Contactthemanufacturerforevaluationofthesechanges.5.PerformtheabovetestsonallSquareDContactorsinthesystem.

~I+~C ST.LUCIEUNIT2MAINTENANCEPROCEDURENO.2-2200062,REVISION42AEMERGENCYDIESELELECTRICALINSPECTIONPage9of149.0GENERALINSTRUCTIONS:(continued)9.22AgastatTimingRelaysINITIAL1~Measureandrecordthetimedelay.Ifthisvaluechangesfromtheinitialvaluebymorethan+30X,replacetherelay.2.MeasureandrecordtheD.C.resistanceofthecoil.Thevaluemustbebetween1710and2090ohms.Ifthevalueisnotwithinthisrange,replacetherelay.3~Measureandrecordthecontactresistance.Ifthecontactresistanceisabove150milliohms,replacetherelay.Operatetherelayfor10cyclespriortotakingthisreading.DEVICETDVTDYTDSXTDlTD3TD5TD8TIMEDELAYREQUIREDTIMEACTUALCOILRESISTANCECONTACTRESISTANCE9.23WilmarElectricDevicesforfrequencyandvoltagemonitoring.1.Isolatetherelaysfromthecircuit.2.Operatetherelaysrecordthecontactmilliohms,replaceFrequencymohmsfor10cycles,thenmeasureandresistance.Ifgreaterthan100therelay.mohmsVoltage3.Measureandrecordthecoilresistance.Ifthisvaluechangesfromtheinitialreadingbymorethan+10K,replacetherelay.FrequencyCoilVoltageCoil4.Visuallyinspecttherelaysandrecordtheircondition.

(~~a' ST.LUCIEUNIT2MAINTENANCEPROCEDURENO.2-2200062,REVISION42AEMERGENCYDIESELELECTRICALINSPECTIONPage10of149.0GENERALINSTRUCTIONS:(continued)9.2410-YearTestofGeneralElectricSISWire.INIT/DATENOTESixwiretestspecimensareincludedintheenginecontrolanel.1.Insulationmeggertestmustbegreaterthan500megohms.TestSpecimenNo.2.Hi-PotTestTestSpecimenNo-3.VisualInspectionTestSpecimenNo.Adecreaseoftheinsulationresistancebelow50megohms,failureoftheHi-PotTestorsignificantdegradationofthewiredetectedbyvisualinspectionrequirestheconditionofthesystemwiringbeevaluatedbythemanufacturer.TESTSPECIMENTESTSCHEDULEOnInstallationIn10years(1990)In20years(2000)In30years(2010)SpareSpare9.25ReplaceleadsongroundingtransformerandPTfusesandlightingarrestors.Takegroundingdeviceoutofcubicle.Replacebreakerincubicle.9.26Releaseclearance,notifyOperationsdieselisreadyforfunctionaltest.Obtainpermissiontoconductone(1)hourloadtestanddoSection9.1VMRandFMRMonitoring./9.27Attheendoffinaltestandsatisfactoryresults,removeallmonitoringequipmentandnotifyOperationsdieselisreadyforservice.9.28Cleanupareasofwork.Puttoolsandequipmentaway.Completedby:Verifiedby(Foreman):Reviewedby(Supv.):

~El~\I ST.LUCIEUNIT2MAINTENANCEPROCEDURENO.2-2200062,REVISION42AEMERGENCYDIESELELECTRICALINSPECTIONPage11of14DEVICESINENGINECONTROLPANELTESTCONTACTCOILINSULATIONDEVICESYEARRESISTANCERESISTANCERESISTANCERl1984R1X1984RlX11984R1X21984R91984R9X1984AV1A1984AV1B1984AV2A1985AV2B1985SDR1985SDRX1985SDRX11985SDRX21985LA1985LB1985RA1986RB1986R21986OTA1986OTB1986BF11986BF51986BF61986BF71984BF81985FFP1984(CONTACTOR)VISUALINSPECTION Page12of14ST.LUCIEUNIT2MAINTENANCEPROCEDURENO.2-2200062,REVISION42AEMERGENCYDIESELELECTRICALINSPECTIONDEVICESINRELAYPANELTESTCONTACTCOILINSULATIONDEVICESYEARRESISTANCERESISTANCERESISTANCEVISUALINSPECTIONIIRKaUC1UDIOTSII198419841985198519861986 Cf+

ST.LUCIEUNIT2HAINTENANCEPROCEDURENO.2-2200062,REVISION42AEMERGENCYDIESELELECTRICALINSPECTIONPage13of14.~INSTRUMENTATIONHOOKUPS(SWITCIIGEARROOM)8~acAI~CEN.OUTPuT5T'.5mC.rAzrael,0000iRhHS'.DII4<INoarNOTE:C.T.LOC.CI'5IOChTKQONTHE>>r.SE,aOurV'uTSR.KAK,E,LDOOR.0pKb4PHA9E'mixeRPut<aSERTPRe6K.TOEHhRT ST.LUNIT2HAINTENANCEPROCEDURENn.2-2200062,REVISION42AHHERCENCYDIESELEl.ECTRICAlINSPECTIONPageI'4))]]A,LLof'C4LKH00OuzPuTINSfRUHENTATfONNOOKUPS(MESE4BUILDING)+MRYYlR$gTTlhLGADS-OOOOINTVOLTvaaoswu.<a%ro68aRTQgGO~CAKyg<mwalkC.SIIOV5OurQCC00o'INORATTLATS'DVCKQ-dKHFRAVOR,5rhrCRVE,mPe.a+Tu,ae.4)HITC.LKA'0$LabaKhbQIZQ<<Q(>>o4OOG0C'OTL--Tegmen.5g)(F'ogSKTTsAcADS.OOOOOOOQOOOO3300OOOOO0LTVSISLOS.AYCbOwl4ChlR.TQ%5lOoHcnsh't250PCTDKl3XRT' Ijl