PWM电机驱动系统中共模电压和轴电压的抑制

13320095ELECTRICMACHINESANDCONTROLVol113No13May2009PWM,,(,150001):PWM,,,PWM,,,,:;PWM;;;:TM921.5:A:1007-449X(2009)03-0402-06SuppressionofconductedcommonmodevoltageandshaftvoltageinPWMmotordrivesystemXIAOFang,SUNLi,SUNYa2xiu(DepartmentofElectricalEngineering,HarbinInstituteofTechnology,Harbin150001,China)Abstract:ApassivefiltertopologyisproposedforsuppressingcommonmodevoltageandshaftvoltageofPWMdrivingmotorsystem.Throughanalyzingthepropagatingrouteofconductedelectromagneticinter2ference(EMI),thefiltertopologyincludedtwocommonmodefiltersandadifferentialmodefilterwasplacedbetweentheoutputofPWMinverterandtheinputofrectifier.Twocommonmodefiltersareusedtosuppresscommonmodevoltageinoutputofinverterandinputofrectifierrespectively.Thedifferentialmodefilterwasforsuppressingthedifferentialmodevoltagebetweenlinesandovervoltagecausedbylongcable.Experimentresultsindicatethatthecommonmodevoltageandshaftvoltagearesuppressedanditiscompliedwithelectromagneticcompatibility(EMC)standardinthewholeconductedinterferencefre2quencyband,provingthatthedesignoftopologyandparametersarereasonable.Keywords:motordrivesystem;PWM;commonmodevoltage;shaftvoltage;conductedelectromagneticinterference:2008-12-14:(E200625);(RC2007XK007004):(1982-),,,;(1960-),,,,,;(1974-),,,1,PWM,PWM,,(electromagneticinterference,EMI),PWM,,[1,2],,[3,4],PWMEMI,EMIEMC,EMI[5],EMIA.V.Jouanne[6],,,EMI,,,du/dtD.A.RendusaraRLC[7,8],EMIEMI,PWMEMI,,,EMI2EMIPWM,1,EMI,,211EMIPWM,1EMIPWMFig.1PWMmotordrivesystemconfigurationwhennoEMIfilterisconnected,,,,,,[9,10]2,,EMI,33EMI,,EMI,ihCM=CpdudtCpUDCtr+td,(1):ihCMEMI();Cp;UDC;trtd()2Fig.2Straycapacitorvalueofheatsinktoground,EMIEMI,3043PWM212EMIPWM,,,du/dt,EMI,,EMIEMI,,,EMI;,EMIPWM3,VCminvVCMrec;Cp1Cp::;:;:3PWMFig.3CMequivalentcircuitofPWMmotordrivesystem3311PWMEMI,,4PWM,PWM50Hz10kHz,IGBT4Fig.4Thesystemconfigurationwhentheproposedpas2sivefilterisconnected,3,,LCM1,CCM1RCM1,,PWM,,,3L,3C,O,,,,,,LCM2,CCM2RCM2,YCCM2,3,,PWM,EMI312312115,3L/22C/3,10kHz,3L/23/(2C),4LCM1,5Fig.5DMequivalentcircuit4041310%,2A5,Vd=538V,10kHz,LxLirVd2,(2)3210000L25382,(3)L2mH(4),L211mH50Hz10kHz,1kHz3kHz,118kHz,C317F3121263,,EMI,6EMI::(LCM1)(L/3,3C);:(RCM23CCM2)(LCM2);:(LCM1)L/3(RCM23CCM2)(LCM2)6Fig.6CMequivalentcircuit6LCM1,,LCM2,,10kHz,,,,,=1NVCMdt,(5):N;;VCMBB=S=1SNVCMdt,(6)S,,SNBmaxSN,BmaxBsat,,Bsat=112T,LCM=SN2l,(7):l;ICMpeakLCM,SN,l/N,,,,,,,l/N,,,:40Hz018T,2/3115kHz,,CCM1470nF,ff=12LCMCCM(8)(8)LCM125mH,Rp210,RCM120,RCM2L1CCM2100300H47nF4,,,GJB152A-97(lineimpedencestabilizationnetwork,LISN)[11,12]7LISN,LISN:(50Hz60Hz),,,(equipmentundertest,EUT)(10kHz)5043PWM,1F,EUT011FLISNLISNEUT,EUT7Fig.7Lineimpedancestabilizationnetwork1--,:IPMPS21867(30A/600V);10kHz,a=018;J02-32-2,4kW,380V,50Hz,2882r/min;MDS(30A/1600V)83Y9ER55CR,EN55011,,(150Hz30MHz),10,,,100mV,LISNEMI11,,EN55011,,10dB8(A)(B)Fig.8CMvoltage(A)andshaftvoltage(B)withoutfilter5PWM,,,,:[1]COSTELLOMJ.Shaftvoltagesandrotatingmachinery[J].IEEETrans.onIndustryApplications,1993,49(2):419-426.[2]ERDMANJM,KERKMANRJ,SCHLEGELDW,etal.EffectofPWMinvertersonACmotorbearingcurrentsandshaftvoltages[J].IEEETrans.onIndustryApplications,1996,32(2):250-259.[3]SKIBINSKIGL,KERKMANRJ,SCHLEGELD.EMIemissions60413ofmodernPWMACdrives[J].IEEEIndustryApplicationsMaga2zine,1999,5(6):47-80.[4]OGASAWARAS,AKAGIH.AnalysisandreductionofEMIcon2ductedbyaPWMinverterfedACmotordrivesystemhavinglongpowercables[C]//2000IEEEPowerElectronicsSpecialistsCon2ference,June18-23,2000,Galway,Ireland,2002,2:928-933.[5],,,.PWM[J].,2005,25(9):47-53.JIANGYanshu,LIUYu,XUDianguo,etal.Researchoncom2mon2modevoltagegeneratedbyaPWMinverteranditscancella2tiontechnology[J].ProceedingsoftheCSEE,2005,25(9):47-53.[6]VONJOUANNEA,ZHANGHR,WALLACEAK.Anevalua2tionofmitigationtechniquesforbearingcurrents,EMI,andover2voltagesinASDapplications[J].IEEETransactionsonIndustryApplications,2004,34(5):1113-1122.[7]RENDUSARADA,ENJETIPN.Animprovedinverteroutputfil2terconfigurationreducescommonanddifferentialmodesdv/dtatthemotorterminalsinPWMdrivesystems[J].IEEETransactionsonPowerElectronics,1998,13(6):1135-1143.[8]BASAVARAJAB,SIVASARMADVSS.Modelingandsimula2tionofdv/dtfiltersforACdriveswithfastswitchingtransients[C]//2006IEEEPowerIndiaConference,April10-12,2006,NewDelhi,India,2006.[9]MUTOHN,KANESAKIM,NAKASHIMAJ,etal.Anewmeth2odtocontrolcommon2modecurrentsfocusingoncommon2modecurrentpathsproducedinmotordrivesystems[C]//38thIASAn2nualMeeting,October12-16,2003,Tokyo,Japan,2003,1:459-466.[10]AKAGIH,DOUMOTOT.ApassiveEMIfilterforpreventinghigh2frequencyleakagecurrentfromflowingthroughthegroundedinverterheatsinkofanadjustable2speedmotordrivesystem[J].IEEETransactionsonIndustryApplications,2005,41(5):1215-1223.[11],,,.PWM[J].,2004,24(8):83-88.PEIXuejun,KANGYong,CHENJian,etal.PredictionofcommonmodeconductedEMIinPWMinverter[J].ProceedingsoftheCSEE,2004,24(8):83-88.[12],,,.[J].,2005,25(5):49-54.MENGJin,MAWeiming,ZHANGLei,etal.Methodforanaly2sisandmodelingofconductedEMIinswitchingpowerconverters[J].ProceedingsoftheCSEE,2005,25(5):49-54.(:)(401)[6]VALENZUELAA,LORENZR.Electronicline2shapingcontrolf