电动自行车轮毂式无刷直流电机结构分析

:199820320233333(3,33,310027),,,1,,(Elec2tricVehicle,EV),[12],,,(ElectricBicycle,EB),36V,135W,3600rpm,5004000rpm,78%,()[3],,2,,P;,1(a),(overlappingwinding);q,,,,,[23],1(b)(non2overlappingwinding),,q=015;,,2Pö3;:(1)(2)();(3)mp41,Da,,Lnomax:Lnomax=PDampLnoav(1)Lnoav,,Loav:Loav=PDa2p(2)m2,(1)(2),(4),(),,,,(5)(q=015),,2Pöm,:Knowlmax=sinPm(3)m2,1,1(b)Knowlmax=01866,Know1Know1max(toothtip)1(a)Kow1=1(6),,:1(a)N0,,1(b)Nno:Nno=N0õKow1Know1=1.15õN0(4)La,,L0Lno:L0=2õN0õLa+PDa2pLnoLnomax=2õNnoõLa+PDa3p=2.31õN0õLa+PDa3p$L=L0-Lno0.72õDap-0131õLaõN0(5),Da0143õpõLa,,Lg,,BorLor,Lom,BnorLnor,Lnom:Lnom=LnorõBorõLg0.866õBnorõ1+LorLgLom-Bor(6)519991,,Da0143õpõLa,,,,(NdFeB),,()24mm,120mmDa=95mm,La=16mm,p=4,m=3,111TNdFeB,,[3,4],3,,Ag1[5],2,,;[6],[7]23,(a)(b)3:(1),;,,,,(2),;,,,;,,(3),;,(4):4(a)5(a),,4(b)5(b),:Ap=1,Ag=1,6,(3(a)),hb,6,,(a)(b)4(a)(b)56(5),7da,a,,,,,,,,(a)(b)7,,,4,,,,,;Da0143õpõLa,,,()719991(7),,,,,,;,1CCChan.AnOverviewofElectricVehicleTechnology.Proc.ofIEEE,1993;81(9):1202-12132DPatterson,RSpee.TheDesignandDevelop2mentofanAxialFluxPermanentmagnetBrushlessDCMotorforWheelDriveinaSolarPoweredVehicle.IEEETrans.Ind.1995;No.5:1054-10613..,19974GHChen.PermanentmagnetBrushlessDCWheelmotorforElectricVehicles.MEngthe2sis,NanyangTechnologicalUniversity,19965..,1993;No.1,6-96TSebastain,V.Gangla.AnalysisofInducedEMFWaveformsandTorqueRippleinaBrushlessPermanentMagnetMachine.IEEETrans.Ind.Appl.,1996,No.1,195-2007SANasar,et.al.PermanentMagnet,Reluc2tance,andSelf2SynchronousMotors,CRCPress,1993STRUCTUREANALYSESOFWHEEL-INBLDCMOTORFOREBAPPLICATIONSHENJianxin3LIAOHaiping33CHENYongxiao33(3NanyangTechnologicalUniversity,33ZhejiangUniversity)AbstractThispaperanalysesthestructureofawheel2inBLDCmotorforelectricbicycle(EB)application,inparticularwiththestatornon2overlappingoroverlappingwindingsaswellastherotorsurface2mountedorembeddedmagnets,andpresentsthedesignprinciples.KeywordsBLDCmotor,winding,permanentmagnet()1999181(67):CN1122283öTM1999123:5100:::822364