ANSI IEEE C57.94-1982 干式通用配电及电力变压器的安装、应用

ANSI/IEEEC57.94-1982(RevisionofANSIC57.94-1956)AnAmericanNationalStandardIEEERecommendedPracticeforInstallation,Application,Operation,andMaintenanceofDry-TypeGeneralPurposeDistributionandPowerTransformersSponsorTransformersCommitteeoftheIEEEPowerEngineeringSocietyApprovedMarch15,1979ReaffirmedDecember9,1987InstituteofElectricalandElectronicsEngineersApprovedSeptember8,1981ApprovedbyANSIMarch8,1993AmericanNationalStandardsInstitute©Copyright1982byTheInstituteofElectricalandElectronicsEngineers,Inc345East47thStreet,NewYork,NY10017-2394,USANopartofthispublicationmaybereproducedinanyform,inanelectronicretrievalsystemorotherwise,withoutthepriorwrittenpermissionofthepublisher.iiIEEEStandardsdocumentsaredevelopedwithintheIEEESocietiesandtheStandardsCoordinatingCommitteesoftheIEEEStandardsBoard.Membersofthecommitteesservevoluntarilyandwithoutcompensation.TheyarenotnecessarilymembersoftheInstitute.ThestandardsdevelopedwithinIEEErepresentaconsensusofthebroadexpertiseonthesubjectwithintheInstituteaswellasthoseactivitiesoutsideofIEEEthathaveexpressedaninterestinparticipatinginthedevelopmentofthestandard.UseofanIEEEStandardiswhollyvoluntary.TheexistenceofanIEEEStandarddoesnotimplythattherearenootherwaystoproduce,test,measure,purchase,market,orprovideothergoodsandservicesrelatedtothescopeoftheIEEEStandard.Furthermore,theviewpointexpressedatthetimeastandardisapprovedandissuedissubjecttochangebroughtaboutthroughdevelopmentsinthestateoftheartandcommentsreceivedfromusersofthestandard.EveryIEEEStandardissubjectedtoreviewatleasteveryfiveyearsforrevisionorreaffirmation.Whenadocumentismorethanfiveyearsoldandhasnotbeenreaffirmed,itisreasonabletoconcludethatitscontents,althoughstillofsomevalue,donotwhollyreflectthepresentstateoftheart.UsersarecautionedtochecktodeterminethattheyhavethelatesteditionofanIEEEStandard.CommentsforrevisionofIEEEStandardsarewelcomefromanyinterestedparty,regardlessofmembershipaffiliationwithIEEE.Suggestionsforchangesindocumentsshouldbeintheformofaproposedchangeoftext,togetherwithappropriatesupportingcomments.Interpretations:Occasionallyquestionsmayariseregardingthemeaningofportionsofstandardsastheyrelatetospecificapplications.WhentheneedforinterpretationsisbroughttotheattentionofIEEE,theInstitutewillinitiateactiontoprepareappropriateresponses.SinceIEEEStandardsrepresentaconsensusofallconcernedinterests,itisimportanttoensurethatanyinterpretationhasalsoreceivedtheconcurrenceofabalanceofinterests.Forthisreason,IEEEandthemembersofitssocietiesandStandardsCoordinatingCommitteesarenotabletoprovideaninstantresponsetointerpretationrequestsexceptinthosecaseswherethematterhaspreviouslyreceivedformalconsideration.Commentsonstandardsandrequestsforinterpretationsshouldbeaddressedto:Secretary,IEEEStandardsBoard345East47thStreetNewYork,NY10017USAiiiForeword(ThisForewordisnotapartofANSI/IEEEC57.94-1982,IEEERecommendedPracticeforInstallation,Application,Operation,andMaintenanceofDry-TypeGeneralPurposeDistributionandPowerTransformers.)ThisrecommendedpracticeisarevisionofANSIC57.94-1956,GuideforInstallationandMaintenanceofDry-TypeTransformersandincorporatesanexpansionofthesubjectsofinstallation,application,testingandoperationofdry-typetransformers.Nonventilatedunitsarespecificallycoveredandnewconsiderationsaddressedincludemaintenanceaccessibility,roomrequirements,audiblesoundcontrolandtheeffectofinternalpressureonsealedunits.Suggestionsforimprovementofthisrecommendedpracticewillbewelcomed.Theyshouldbesentto:SecretaryIEEEStandardsBoardInstituteofElectricalandElectronicsEngineers345East47thStreetNewYork,NY10017Atthetimeitapprovedthisstandard,theC57Committeehadthefollowingmembership.L.W.Long,ChairR.E.Uptegraff,Jr,ViceChairL.A.Spragins,SecretaryOrganizationRepresented...........................................................................................................NameofRepresentativeBonnevillePowerAdministration...............................................................................................GeorgeW.IliffElectricLightandPowerGroup.................................................................................................N.DerwiankaR.L.EnsignI.H.KopenenJ.P.Markey(Alt)B.F.SmithE.F.VillasusoInstituteofElectricalandElectronicsEngineers........................................................................S.BennonW.P.BurtJ.C.DuttonMikeHolmL.W.LongD.E.MasseyNationalElectricalManufacturersAssociation..........................................................................L.C.AicherW.R.CourtadeD.C.CoulterJ.D.DouglassW.C.KendallK.R.LinsleyW.J.McNuttHarrolRobinR.L.SchwabR.J.Stahara(Alt)R.E.Uptegraff,JrNavalFacilitiesEngineeringCommand.....................................................................................H.P.StickleyRuralElectrificationAdministration...........................................................................................J.C.Arnold,JrTennesseeValleyAuthority.........................................................................................................L.R.SmithUnderwriter