IEEE Std 1248-1998 IEEE Guide for the Commissionin

TheInstituteofElectricalandElectronicsEngineers,Inc.345East47thStreet,NewYork,NY10017-2394,USACopyright©1998bytheInstituteofElectricalandElectronicsEngineers,Inc.Allrightsreserved.Published1998.PrintedintheUnitedStatesofAmerica.ISBN0-7381-0339-XNopartofthispublicationmaybereproducedinanyform,inanelectronicretrievalsystemorotherwise,withoutthepriorwrittenpermissionofthepublisher.IEEEStd1248-1998IEEEGuidefortheCommissioningofElectricalSystemsinHydroelectricPowerPlantsSponsorEnergyDevelopmentandPowerGenerationCommitteeoftheIEEEPowerEngineeringSocietyApproved25June1998IEEE-SAStandardsBoardAbstract:Inspectionproceeduresandtestsforusefollowingthecompletionoftheinstallationofcomponentsandsystemsthroughtocommercialoperationareprovided.Thisguideisdirectedtotheplantowners,designers,andcontractorsinvolvedinthecommissioningofelectricalsystemsofhydroelectricplants.Keywords:commissioning,hydroelectricpowerplantIEEEStandardsdocumentsaredevelopedwithintheIEEESocietiesandtheStandardsCoordinat-ingCommitteesoftheIEEEStandardsAssociation(IEEE-SA)StandardsBoard.Membersofthecommitteesservevoluntarilyandwithoutcompensation.TheyarenotnecessarilymembersoftheInstitute.ThestandardsdevelopedwithinIEEErepresentaconsensusofthebroadexpertiseonthesubjectwithintheInstituteaswellasthoseactivitiesoutsideofIEEEthathaveexpressedaninter-estinparticipatinginthedevelopmentofthestandard.UseofanIEEEStandardiswhollyvoluntary.TheexistenceofanIEEEStandarddoesnotimplythattherearenootherwaystoproduce,test,measure,purchase,market,orprovideothergoodsandservicesrelatedtothescopeoftheIEEEStandard.Furthermore,theviewpointexpressedatthetimeastandardisapprovedandissuedissubjecttochangebroughtaboutthroughdevelopmentsinthestateoftheartandcommentsreceivedfromusersofthestandard.EveryIEEEStandardissub-jectedtoreviewatleasteveryfiveyearsforrevisionorreaffirmation.Whenadocumentismorethanfiveyearsoldandhasnotbeenreaffirmed,itisreasonabletoconcludethatitscontents,althoughstillofsomevalue,donotwhollyreflectthepresentstateoftheart.UsersarecautionedtochecktodeterminethattheyhavethelatesteditionofanyIEEEStandard.CommentsforrevisionofIEEEStandardsarewelcomefromanyinterestedparty,regardlessofmembershipaffiliationwithIEEE.Suggestionsforchangesindocumentsshouldbeintheformofaproposedchangeoftext,togetherwithappropriatesupportingcomments.Interpretations:Occasionallyquestionsmayariseregardingthemeaningofportionsofstandardsastheyrelatetospecificapplications.WhentheneedforinterpretationsisbroughttotheattentionofIEEE,theInstitutewillinitiateactiontoprepareappropriateresponses.SinceIEEEStandardsrep-resentaconsensusofallconcernedinterests,itisimportanttoensurethatanyinterpretationhasalsoreceivedtheconcurrenceofabalanceofinterests.Forthisreason,IEEEandthemembersofitssocietiesandStandardsCoordinatingCommitteesarenotabletoprovideaninstantresponsetointerpretationrequestsexceptinthosecaseswherethematterhaspreviouslyreceivedformalconsideration.Commentsonstandardsandrequestsforinterpretationsshouldbeaddressedto:Secretary,IEEE-SAStandardsBoard445HoesLaneP.O.Box1331Piscataway,NJ08855-1331USAAuthorizationtophotocopyportionsofanyindividualstandardforinternalorpersonaluseisgrantedbytheInstituteofElectricalandElectronicsEngineers,Inc.,providedthattheappropriatefeeispaidtoCopyrightClearanceCenter.Toarrangeforpaymentoflicensingfee,pleasecontactCopyrightClearanceCenter,CustomerService,222RosewoodDrive,Danvers,MA01923USA;[phone].Permissiontophotocopyportionsofanyindividualstandardforeducationalclass-roomusecanalsobeobtainedthroughtheCopyrightClearanceCenter.Note:Attentioniscalledtothepossibilitythatimplementationofthisstandardmayrequireuseofsubjectmattercoveredbypatentrights.Bypublicationofthisstandard,nopositionistakenwithrespecttotheexistenceorvalidityofanypatentrightsinconnectiontherewith.TheIEEEshallnotberesponsibleforidentifyingpatentsforwhichalicensemayberequiredbyanIEEEstandardorforconductinginquiriesintothelegalvalidityorscopeofthosepatentsthatarebroughttoitsattention.Copyright©1998IEEE.Allrightsreserved.iiiIntroduction(ThisintroductionisnotpartofIEEEStd1248-1998,IEEEGuidefortheCommissioningofElectricalSystemsinHydroelectricPowerPlants.)Thisdocumentisaguideforthecommissioningofelectricalequipmentinahydroelectricpowerplant.ThedocumentwaspreparedbytheWorkingGrouponPowerplantCommissioningoftheHydroelectricSubcom-mitteeoftheIEEEEnergyDevelopmentandPowerGenerationCommitteeoftheIEEEPowerEngineeringSociety(PES).Thegroupwasformedatthe1990IEEEPESSummerMeetingtoprovideguidanceinthecommissioningofelectricalequipmentinahydroelectricfacility.Thecommissioningincludestheinstallationofanewpowerplant,therehabilitationofanexistingpowerplant,ortheupgradingofequipmentinanexistingpowerplant.Thisguideisintendedtobeusedasareferencedocumentforpracticingengineersinthehydroelectricindus-try.Theguideincludesanindexofsystems,equipment,andteststhatprovideinformationonthecheckoutandcommissioningofelectricalequipmentinahydroelectricpowerplant.Membersoftheworkinggrouprepresentacrosssectionofthehydroelectricindustry,includingp