attachment年产40万吨聚酰胺一体化项目

AppendixAINSPECTIONANDTESTPROCEDURESOFLOWVOLTAGE附录A低压电动机检查和测试VISUALINSPECTION视觉检ThefollowingitemsshallbeconfirmedtobeinconformitytoPurchaser’sspecificationandtheapproveddrawings.RatingItemNo.项目编号IndicationplateforuseinHazardousConnectiondiagramplateandmarkingofMarkingofmagneticRatingandconstructionofspaceRatingandconstructionofembeddedtemperaturedetectorandbearing(11)DIMENSIONALINSPECTION尺寸检OutlinedimensionsofmainpartsanddimensionsrelatedtooutsideconnectionshallbeconfirmedtobeinconformitytothoseofPurchaser’sspecificationandtheapproveddrawings.MEASUREMENTOFWINDING绕组电阻测TheofthestatorwindingshallbemeasuredatambientMeasurementshallbecarriedoutwithdirectcurrent(d-c)bythevoltagedropmethodorthebridgeNO-LOADTEST空载Whenthemotorisoperatedattheratedvoltageandratedfrequencywithnoload,thecurrentandtheinputpowershallbemeasured.Theumdifferencebetweeneachlinecurrentandthemeanvalueshallnotexceed5%ofthemeanvalue.Duringoperationwithnoload,thefollowingitemsshallbeconfirmedtobenormal.大差值不得超过平均值的5%。在空载运行期间，下列事项应当确认是正常的。PhaseDirectionofrotationandrevolvingNoiseandDirectionofcoolingairIncaseofthehorizontal-shafttypemotorhavingsleevebearing,thefollowingitemsshallbeconfirmed,inadditiontoPar.4.1.PerformanceofoilringandoilPositionofthemagneticTotalrotorendWiththerotorlockedattheappropriatepositionatambienttemperature,thecurrent,voltage, inputpowershallbemeasuredbyapplyingapproximayfullloadcurrentofratedfrequencyto statorwinding.Forspecialcagerotortypemotor,lowfrequencylocked-rotortestwithonehalftheratedfrequencyshallalsobecarriedoutatthesamewayasmentionedabove.Themethodofthetemperaturerisetestshallbeoneofthe试验的方法应采用方法以下之一试验的方法应采用方法以下之一Themethodformeasuringtemperatureofeachpartofmotorshallbeselectedamongthefollowingfivemethods,dependingonthetypeortheoutputofthemotor.method嵌入式温度检测器嵌入式温度检测器(E.T.D.)MEASUREMENTANDCALCULATIONOFCHARACTERISTICS特征测量和计Thefollowingcharacteristicvaluesshallbeobtainedbymeasurementand/orcalculationfromtheresultsoftestsinPar.3,4and5andthencomparedwiththoseofPurchaser’sspecificationand/orVendor’sdesignvalues.However,item(2)ofloadcharacteristicvalueshallbeprovidedat50%,75%and100%然而，应提供在然而，应提供在50%,75%和100%负载条件下(2)TotalLoadcharacteristicvalue(output,current,efficiency,powerfactorandLocked-rotorINSULATIONTEST绝缘电阻试Theinsulationbetweenwindingsorotherlivepartsofthemotorandearth(orframeconnectedtothecore)shallbemeasuredbeforeandafterwithstandvoltagetest.TheinsulationtesterandallowableinsulationvalueforeachpartshallbeasshowninTable绝缘电阻。绝缘电阻测试器和每个部件允许绝缘电阻值如为表1所示。Table1InsulationtesterandallowableinsulationTestInsulationTestInsulationRatedmorethan100050or000Vor额度电压1000V10ormoreOtherlivesparts(spaceheater,etc.)其他活动部件（除湿加热器WITHSTANDVOLTAGETEST耐压试The50Hzor60Hztestvoltageshallbeappliedbetweenwindingsorotherlivepartsofthemotorandearth(orframeconnectedtothecore)foroneminute,andnoelectricalormechanicaldefectshallbeobserved.Motorsshallbetestedatno-loadwithallrelevanttiesattheirratedFixedspeeda.c.motorsshallberunwithavirtuallysinusoidalwaveformaccordingto7.2ofIEC60034-1.ThetestshallbeperformedateachratedfixedspeedorovertheratedspeedMEASUREMENTOFNOISE噪声测Whilethemotorisoperatedattheratedvoltagewithnoload,soundpressurelevelshallbemeasuredatfourpositions,1meterfromtheframesurface,inthehorizontalplaneoftheshaft,spacedat90-degreeintervals,usinganA-weightingnetwork. Inthecaseofthemotorwithdividedstatorcoreandsleevebearings,thevoltagebetweentheshaftendsandbetweentheshaftandthepedestalshallbemeasuredattheratedvoltagewithnoloadbyavoltmeterhavinginternal notlessthan1k.Table2Inspectionandtests表2.检测和试验事项Typeofinductionandtest 机Exceeding1000V,500kWandlessthan500Upto1000TTDimensionalinspection外形SSSSLocked-rotortest阻转试Temperaturerise TTWithstandvoltageTTMeasurementofSSMeasurementofMeasurementofshaftMeasurementan