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Testandinspectionstandardsfordrivemotorsystems

Thedrivemotorsystemreferstothecombinationofthedrivemotor,themotorcontrollerandtheauxiliarydevicesnecessaryfortheirwork.OnSeptember1,2015,thestatepromulgatedGB/T18488.1-2015"DrivemotorSystemforelectricvehiclesPart1:TechnicalConditions"andGB/T18488.2-2015"DrivemotorSystemforelectricvehiclesPart2:Testmethods".Doyouunderstandthebasicsofthesetwocriteria?Canyoutestandmeasuredrivemotorsandmotorcontrollers?Projectimport

The"NewEnergyVehicleIndustryDevelopmentPlan(2021-2035)"issuedbyTheStateCouncilinOctober2020establishedthestrategicorientationofpureelectricdrive,andthe"threehorizontal"ofpowerbatteryandmanagementsystem,drivemotorandpowerelectronics,andnetworkandintelligenttechnologyfornewenergyvehicletechnologytobuildakeycomponenttechnologysupplysystem.Atpresent,theautomobiledrivemotorindustryisdevelopingrapidly,andtheperformanceofthedrivemotorisdirectlyrelatedtotheperformanceofthevehicleafterassembly.BasedonGB/T18488seriesstandards,thisprojectintroducestestitemsofdrivemotorsystem,testinstrumentsandequipment,drivevoltageandcurrentmeasurement,motorspeedandtorquetest,DCresistancetestofdrivemotorsystem,etc.Testandinspectionstandardsfordrivemotorsystems

ThemainbasisofthetestandtestofthedrivemotorsystemforelectricvehiclesisGB/T18488.1-2015"DrivemotorsystemforelectricvehiclesPart1:Technicalconditions"andGB/T18488.2-2015"DrivemotorSystemforelectricvehiclesPart2:Testmethods".GB/T18488.1-2015"DrivemotorsystemforelectricvehiclesPart1:Technicalconditions"specifiestheworksystem,voltagelevel,modelnaming,requirements,inspectionrulesandmarksandmarksofdrivemotorsystemtestingandinspection,GB/T18488.2-2015"DrivemotorsystemforelectricvehiclesPart2:TestMethodspecifiestheinstruments,testpreparationandvarioustestmethodsforthetestofthedrivemotorsystemforelectricvehicles.1.TechnicalconditionGB/T18488.1-2015"DrivemotorsystemforelectricvehiclesPart1:Technicalconditions"isdividedintosevenparts:scope;Normativereferencedocuments;Termsanddefinitions;Workingsystem,voltagelevelandmodelname;Require;Inspectionrules;Signsandlogos.(1)Drivemotorandmotorcontrollermodelname1)Drivemotormodelname.①Themodelofthedrivemotoriscomposedoffiveparts:drivemotortypecode,sizespecificationcode,signalfeedbackelementcode,coolingmethodcodeandreservedcode.Testandinspectionstandardsfordrivemotorsystems

②Drivemotortypecode:KC-switchedreluctancemotor;Tf-square-wavecontrolpermanentmagnetsynchronousmotor;Tz-sinecontrolpermanentmagnetsynchronousmotor;Yr-asynchronousmotor(windingrotor);YS-asynchronousmotor(cagerotor);ZL-DCmotor.③Sizespecificationcode:generallyusetheouterdiameterofthestatorcoretoexpress,fortheouterrotormotor,usetheouterdiameteroftheouterrotorcoretoexpress.④Signalfeedbackelementcode:M-photoelectricencoder;X-rotarytransformer;H-hallelement.Nosensorneednotbemarked.Testandinspectionstandardsfordrivemotorsystems

⑤Coolingmethodcode:S-liquidcoolingmethod;Y-oilcoolingmode;F-Forcedaircooling.Forexample,thedrivemotormodelofIdealONEnewenergyvehicleisTZ180XS001,whereTZindicatesthatthemotortypeisasinusoidalcontrolpermanentmagnetsynchronousmotor,180indicatesthattheouterdiameterofthestatorcoreis180mm,Xindicatesthatthesignalfeedbackcomponentusesarotatingtransformer,andSindicatesthatthecoolingmethodisliquidcooling.Testandinspectionstandardsfordrivemotorsystems

2)Drivemotorcontrollermodelname.①Thedrivemotorcontrollermodeliscomposedofsixparts:drivemotorcontrollertypecode,operatingvoltagespecificationcode,signalfeedbackelementcode,workingcurrentspecificationcode,coolingmethodcode,andreservedcode,asshowninthefigure.②Controllertypecode:withthemotortypecodebeforetheletter"K"toindicate.③Workingvoltagespecificationcode:thenominalDCvoltageofthedrivemotorcontrollerisdividedby10andthenroundedtorepresentthevalue;Atleasttwodigits,lessthantwodigits,witha0inthetens.IfACpowersupplyisused,thevoltagemustbeconvertedtoDCvalue.Theunitofinputvoltageisvolts(V).Testandinspectionstandardsfordrivemotorsystems

2)Drivemotorcontrollermodelname.④Signalfeedbackelementcode:M-photoelectricencoder;X-rotarytransformer;H-hallelement.Nosensorneednotbemarked.⑤Workingcurrentspecificationcode:theeffectivevalueofthemaximumworkingcurrentofthedrivemotorcontrollerisdividedby10andthenroundedtoexpressthevalue.Atleasttwodigits,lessthantwodigits,witha0inthetens.Theoutputcurrentismeasuredinamperes(A).⑥Coolingmethodcode:S-liquidcoolingmethod;Y-oilcoolingmode;F-Forcedaircooling.Thenon-forcedcoolingmethod(naturalcooling)neednotbemarked.Testandinspectionstandardsfordrivemotorsystems

(2)TestitemsDrivemotorsystemtestandinspectionitemsaredividedintogeneralitems,temperaturerise,inputandoutputcharacteristics,safety,environmentaladaptabilityandreliabilityofsixcategories.Amongthem,thereare14generalitems,18inputandoutputcharacteristicsitems,3safetyitemsand11environmentaladaptabilityitems,asshowninthetable.Drivemotorsysteminspectionisdividedintofactoryinspectionandtypeinspection.Factoryinspectionmeansthatthedrivemotoranddrivemotorcontrollerareinspectedbythequalityinspectiondepartmentofthemanufactureronebyone,andifqualified,thecertificateisattached.Typeinspectionshallbecarriedoutunderoneofthefollowingconditions:Testandinspectionstandardsfordrivemotorsystems

Typeinspectionshallbecarriedoutunderoneofthefollowingconditions:①Whennewproductsoroldproductsareproduced.②Aftertheformalproduction,suchasthestructure,material,processhasal