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1、ANewBreedofElectricMachines-BasicAnalysisandApplicationsofDualMechanicalPortElectricMachinesLongyaXu,FellowIEEEDepartmentofElectricalandComputerEngineering,TheOhioStateUniversity,2015NeilAvenue,Columbus,OH43210,USAEmail:xu.12(osu.eduAbstract-Conceptually,mechanicalpo
2、rtofanelectricofelectricmachinewithdualmechanicalportsismachinecanbedoubledandtheconceptofdual-illustratedinFig.2(b).mechanical-port(DMP)willthengivebirthtoanewbreedofelectricmachines.Inthispaper,thevariouspossiblestructuresofDMPelectricmachinearediscussed.BasicDualm
3、odelingandanalysisissuesrelatedtotheDMPelectricElecticalPortsMechanicalmachinearepresented.AnexemplarydesignofDMPmachineisgivenandverifiedbyFEMresults.PotentialCoupledEMFieldapplicationsandfutureresearchworkaregiventoconcludethepaper.I.Introduction(a)DoublyExcitedEle
4、ctricMachineAnyelectricmachine,DCorAC,isconsideredasaphysicaldevicetoaccomplishelectromechanicalenergyKconversion.Inthisregard,anelectricmachineisdescribedasacoupledelectromagneticfieldwithoneCoupledMecancaP.2electricalandonemechanicalport.AsshowninFig.1,Pnl2A~~EMFie
5、dtheelectricalportofaconventionalelectricmachineischaracterizedbyitsterminalvoltagesandcurrentswhilethemechanicalportitsshaftspeedandtorque.Thisisthetraditionalsingle-inandsingle-outportconfiguration.Fig.2(b)ConceptualElectricMachinewithDualVabcMechanicalShaftslIMech
6、anical(,4,1)TorqueElecticalInthispaper,variouspossiblestructuresofaDMPelectricmachinewillbeexploredandoperationfeatures000~~~~~~~~~EMFielddiscussed.Further,themodelingandanalysisissuesSpeedrelatedtotheDMPelectricmachinearetobeinvestigated.Tofullyillustrateoperational
7、features,exploredesignandanalysisprinciples,anddiscussapplicationpotentials,anexemplarydesignofDMPmachineisgivenandverifiedFig.1ConventionalElectricMachinebyFEMresults.Asingle-inand-outportelectricmachinesometimescanII.BasicStructureandOperationalPrinciplesbedesigned
8、inadoublyexcitedconfiguration,resultinginadoubly-fedelectricmachines.AtypicalexampleofAbasicstructureofaDMPelectricmachinecanbedoub