基于永磁同步电机的SVPWM死区分析与补偿

SVPWM:,,6,,,:AnalysisandCompensationoftheDead2timeEffectinSVPWMBasedonPMSMXuJiaminXuGuoqingKangJingsongAbstract:Thedead2timeeffectontheoutputwaveformofthePMSMcontrolledbySVPWMinverterwasanalyzedwithdifferentcurrentdirectionsunderidealandrealcircumstancerespectively.Itadvisedacompensa2tionstrategyofitseffect,whichdividesthree2phasecurrentintosixregionsaccordingtothespacevectorfig2ureofcurrent,andcompensatedthree2phasevoltageineachregionintermsofcurrentdirections.Experimentsresultsshowthatthisstrategycangetgoodcompensationeffectwithoutincreasingthecomplexityofbothsoft2wareandhardwareoforiginalsystem.Keywords:spacevectorpulsewidthmodulation(SVPWM)dead2timeeffectpermanentmagnetsynchro2nousmotor(PMSM)1(SVPWM)PWM,,,,(DSP),[13],,,,,,,,,,2SVPWM-11,VDC(V);Cd()(F);T1T66,D1D661,,,[410]aaa()()2aa,2b2,,92SVPWM20073721-2a2a,a,,,(Vd),uao=-VDC/2-Vd;,(td+ton),,uao,(VS),uao=VDC/2-VS2b,a,,,(VS),uao=-VDC/2-VS;,toff,,uao,(Vd),uao=VDC/2-Vd,,V=[(1-D)TS+]Vd+VDC+(DTS-)VS-tcom+(VDC+Vd-VS)=0tcom+={VDC+(DTS-)VS+[(1-D)TS+]Vd}/(VDC+Vd-VS)(1)taon+=t3aon+tcom+(2),tcom-={VDC+[(1-D)TS-]VS+(DTS+)Vd}/(VDC+Vd-VS)(3)taon-=t3aon-tcom-(4):V;VDC;VS,Vd;ton,toff,ton;td;TS;t3aon;taon+,taon-;D,D=t3aon/TS;=td+ton-toff;tcom+,tcom-b,c3SVPWM,[6]3,3a,b,c,+,-();6;(90a),6,(330,90a+,b+,c-)3,id=0,(d-q)d,qed,3(3090),e(-60,0)5e,1e,1,,032007372SVPWM1e,,,ea,b,ca,b,c-60e0a+,b+,c-taon+,tbon+,tcon-0e60a-,b+,c-taon-,tbon+,tcon-60e120a-,b+,c+taon-,tbon+,tcon+120e180a-,b-,c+taon-,tbon-,tcon+180e240a+,b-,c+taon+,tbon-,tcon+240e300a+,b-,c-taon+,tbon-,tcon-,PWM;,(2)(3),:Iftaon+0;thentaon+=0Iftaon+0.5TS;thentaon+=0.5TS4D44TITMS320F2407A,PM300CSD060IPM,0.8s,2.0s,VS=1.7V,Vd=2.2VPMSMP=7.5kW,p=2,140Nm,90%SVPWM5s,312V,16kHz5a5ba5a5,,,,,1ErwanSimon.ImplementationofaSpeedFieldOrien2tedControlof32phasePMSMMotorUsingTMSF240[R].ApplicationReportofTEXASINSTRUMENTS,19992YuZhenyu.Space2vectorPWMwithTMS320C24x/F24xUsingHardwareandSoftwareDeterminedSwitc2hingPatterns[R].ApplicationReportofTEXASIN2STRUMENTS,19993,.[J].,2001,21(10):79834Jong2WooC,Seung2KiS.InverterOutputVoltageSyn2thesisUsingnovelDeadTimeCompensation[J].IEEETRANS.PowerElection,1996,11(2):2212275,.[J].,2002,34(2):1431466,.[J],,2005,20(7):87927,.[J].,2003,23(2):1031078,.PWM[J].,2004(12):53579,.[J].,2005(4):242610,.SVPWM[J].,2005,27(1):2022:2006-05-12:2006-09-0713SVPWM2007372