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1、ANSYS2011中国用户大会优秀论文InvestigationofaNewTopologyofHybridExcitationDoublySalientBrushlessDCGeneratorZhuoranZhang,Member,IEEE,YangyangTao,andYangguangYanAbstract—ThispaperproposesandimplementsanewtopologyI.INTRODUCTIONofhybridexcitationdoublysalientbrushlessDCgenerator.OUBLYsalientpermanen
2、tmagnetmachine(DSPM)ConfigurationandfluxcontrolprincipleofthegeneratorareDpresented.Two-dimensionalfiniteelementmethodsareusedtoproposedintheearly1990s[1],whichresemblestheinvestigatethestaticfielddistributioncharacteristicsofthisnewsimplestructureofaswitchedreluctancemachine(SRM)[2-4]
3、,typeofgenerator.Field-circuitcoupledanalysisissuccessfullyhasreceivedwideattention[5-9].Asakindofstator-PMperformed,andtheoutputcharacteristicsofdifferentwindings(magnetslocatedinthestator)brushlessmachine,DSPMcanareobtained.Aprototypehybridexcitationdoublysalientofferhigherefficiency
4、andhigherpowerdensity[10-14].brushlessDCgeneratorisdesignedanddeveloped,andtheHowever,DSPMsuffersfromtheproblemofuncontrollableexperimentationisalsogiventoverifythevalidityoftheproposedbrushlessDCgeneratorwithoneanddualterminaloutputs.ThePMfluxandhighPMmaterialcost,justastheotherPMresu
5、ltsconfirmtheexcellentfield-regulationcapabilityofhybridmachines.WiththereplacementofthepermanentmagnetsinexcitationdoublysalientbrushlessDCgenerator,andtherectifiedDSPMbydcelectricalexcitationwindings,thedoublysalientoutputofpermanentmagnetpartcanserveastheindependentelectromagneticma
6、chine(DSEM)isconstructed.Thus,thepoweroftheexcitationwindingwhenthehybridexcitationvoltageregulationandfaultprotectionofDSEMiseasytobedoublysalientbrushlessDCgeneratorhastwosetsofoutputrealizedbyregulatingtheairgapflux.Meanwhile,excitationwindings.powerlossinDSEMmayexertanegativeimpact
7、ontheIndexTerms—Brushlessmachine,permanentmagnet,doublyefficiencyandpowerdensityofthemachine[15-20].salient,finiteelementmethods,hybridexcitation,magneticflux,Recently,theconceptofhybridexcitationdoublysalientwindpowergeneration.machine(HEDSM),whichstrivestocombinethemeritsofDSPMandD
