AppendixAINSPECTIONANDTESTPROCEDURESOFLOWVOLTAGEA低壓電動機檢查和測試VISUALINSPECTION視覺檢ThefollowingitemsshallbeconfirmedtobeinconformitytoPurchaser’sspecificationandtheapproveddrawings.RatingItemNo.項目編號teindicatingdirectionof teforuseinHazardous用 ConnectiondiagramteandmarkingofMarkingofmagneticRatingandconstructionofspaceRatingandconstructionofembeddedtemperaturedetectorandbearing(11)DIMENSIONALINSPECTION尺寸檢OutlinedimensionsofmainpartsanddimensionsrelatedtooutsideconnectionshallbeconfirmedtobeinconformitytothoseofPurchaser’sspecificationandtheapproveddrawings.MEASUREMENTOFWINDING繞組電阻測TheofthestatorwindingshallbemeasuredatambientMeasurementshallbecarriedoutwithdirectcurrent(d-c)bythevoltagedropmethodorthebridgeNO-LOADTEST空載試Whenthemotorisoperatedattheratedvoltageandratedfrequencywithnoload,thecurrentandtheinputpowershallbemeasured.Theumdifferencebetweeneachlinecurrentandthemeanvalueshallnotexceed5%ofthemeanvalue.Duringoperationwithnoload,thefollowingitemsshallbeconfirmedtobenormal.大差值不得超過平均值的5%。在空載運行期間，下列事項應(yīng)當確認是正常的。PhaseDirectionofrotationandrevolvingNoiseandDirectionofcoolingairIncaseofthehorizontal-shafttypemotorhavingsleevebearing,thefollowingPerformanceofoilringandoilPositionofthemagneticTotalrotor LOCKED-ROTORTEST阻轉(zhuǎn)試Withtherotorlockedattheappropriatepositionatambienttemperature,thecurrent,voltage, inputpowershallbemeasuredbyapplyingapproximayfullloadcurrentofratedfrequencyto statorwinding.Forspecialcagerotortypemotor,lowfrequencylocked-rotortestwithonehalftheratedfrequencyshallalsobecarriedoutatthesamewayasmentionedabove.TEMPERATURERISETEST試Themethodofthetemperaturerisetestshallbeoneofthe試驗的方法應(yīng)采用方法以下之一試驗的方法應(yīng)采用方法以下之一ActualloadingThemethodformeasuringtemperatureofeachpartofmotorshallbeselectedamongthefollowingfivemethods,dependingonthetypeortheoutputofthemotor.ThermometermethodEmbeddedtemperaturedetector(E.T.D.)嵌入式溫度檢測器嵌入式溫度檢測器(E.T.D.)SuperpositionEquivalentloadMEASUREMENTANDCALCULATIONOFCHARACTERISTICS特征測量和Thefollowingcharacteristicvaluesshallbeobtainedbymeasurementand/orcalculationfromtheresultsoftestsinPar.3,4and5andthencomparedwiththoseofPurchaser’sspecificationand/orVendor’sdesignvalues.However,item(2)ofloadcharacteristicvalueshallbeprovidedat50%,75%and100%然而，應(yīng)提供在然而，應(yīng)提供在50%,75%和100%負載條件下(2)TotalLoadcharacteristicvalue(output,current,efficiency,powerfactorandINSULATIONTEST絕緣電阻試Theinsulationbetweenwindingsorotherlivepartsofthemotorandearth(orframeconnectedtothecore)shallbemeasuredbeforeandafterwithstandvoltagetest.TheinsulationtesterandallowableinsulationvalueforeachpartshallbeasshowninTable絕緣電阻。絕緣電阻測試器和每個部件允許絕緣電阻值如為表1所示。Table1InsulationtesterandallowableinsulationTestInsulation絕緣電阻測試TestInsulation絕緣電阻測試Ratedvoltagemorethan1000V額度電壓超50ormore000Vor額度電壓1000V10ormoreOtherlivesparts(spaceheater,etc.)其他活動部件（除濕加熱器3ormoreWITHSTANDVOLTAGETEST耐壓The50Hzor60Hztestvoltageshallbeappliedbetweenwindingsorotherlivepartsofthemotorandearth(orframeconnectedtothecore)foroneminute,andnoelectricalormechanicaldefectshallbeobserved.MEASUREMENTOFVIBRATION振動測Motorsshallbetestedatno-loadwithallrelevanttiesattheirratedFixedspeeda.c.motorsshallberunwithavirtuallysinusoidalwaveformaccordingto7.2ofIEC60034-1.ThetestshallbeperformedateachratedfixedspeedorovertheratedspeedMEASUREMENTOFNOISEWhilethemotorisoperatedattheratedvoltagewithnoload,soundpressurelevelshallbemeasuredatfourpositions,1meterfromtheframesurface,inthehorizontalneoftheshaft,spacedat90-degreeintervals,usinganA-weightingnetwork. MEASUREMENTOFSHAFTVOLTAGE軸承電壓測Inthecaseofthemotorwithdividedstatorcoreandsleevebearings,thevoltagebetweentheshaftendsandbetweentheshaftandthepedestalshallbemeasuredattheratedvoltagewithnoloadbyavoltmeterhavinginternalnotlessthan1k.Table2Inspectionandtests表2.檢測和試驗事Typeofinductionandtest

Three-phaseinduction 機Upto1000不高于Visualinspection目TTDimensionalinspection外形檢SSNo-loadtest空載SSLocked-rotortest阻轉(zhuǎn)TemperatureriseInsulationTTWithstandvoltageTTMeasurementofSSMeasurementofMeasurementofshaftMe