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1、Subject:ReducetheTorqueRippleofSwitchedReluctanceMotoratLowSpeedSpecialty:PowerElectronicandPowerDriverName:WangGuangzhou(Signature)Instructor:WangMianhua(Signature)ABSTRACTSwitchedReluctanceDrive(SRD)iscombinedwiththenewmotorstructure,controltechnologyandmodernpowerelectronicste
2、chnology.Themotorstructureissimple,rugged,brushlessandnocommutator.Theadvantageofthismotorincludesexcellentspeedadjustingperformance,thecontrolcircuitissimple,flexibleoutputcharacteristicschange,highreliabilityandefficiencyandabletoadapttotheharshenvironment.Itisahighercostofvari
3、ablespeedsystem.However,duetothenonlineareffectsoftheswitchedreluctancemotor-specificdoublysalientstructureandmagneticsaturation,thetorqueofthemotoristocontainacertainharmonicpulsatingtorque.Whenthemotorisrunningatlowspeed,thepresenceofharmonicsofitsoperatingperformancehasagreati
4、nfluence.Powerconversioncircuitoutputisirregularcurrentpulses,whichwouldleadtoseverevibrationnoiseandlow-speedtorqueripple.Inthispaper,optimalcontrolstrategyreducesthetorqueperformanceofswitchedreluctancemotoratlowspeedtorque.Torquerippleofswitchedreluctancemotoratlowspeedstagesi
5、gnificantlyaffectitsapplicationperformance,thispaperanalyzesthetorquecharacteristicsofswitchedreluctancemotor,DirectInstantaneousTorqueControl(DITC)strategyonthisbasisandwiththecurrentcutwavecontrolwerecompared,theresultsshowthatthedirectinstantaneoustorquecontrolcanbeachievedtor
6、quetominimizethecontrol.Finally,thispaperdescribestheexperimentalplatformTMS320F2812DSPcontroller,ThecircuitusedDSPTMS320F2812ascorecontroller,includingpowerconverter,currentandpositiondetectionmoduleandcontrolcircuit.t,thepowerconversioncircuit,thecurrentdetectionmodule,thevolta
7、gedetectionmodule,position,speeddetectionmoduleandotherfunctionstheauxiliarycircuit,adetaileddescriptionoftheprogrammingideasandtheflowchartofthevariousprogrammodules.Keywords:SwitchedReluctanceMotor,DITC,FunctionFitting,TorqueRippleRestrainThesis:ApplicationResearch目录目录1绪论......
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