Thesis - Permanent magnet assisted synchronous reluctance mo

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1、PERMANENTMAGNETASSISTEDSYNCHRONOUSRELUCTANCEMOTORDESIGNANDPERFORMANCEIMPROVEMENTADissertationbyPEYMANNIAZISubmittedtotheOfficeofGraduateStudiesofTexasA&MUniversityinpartialfulfillmentoftherequirementsforthedegreeofDOCTOROFPHILOSOPHYDecember2005MajorSubject:ElectricalEngineer

2、ing©2005PEYMANNIAZIALLRIGHTSRESERVEDPERMANENTMAGNETASSISTEDSYNCHRONOUSRELUCTANCEMOTORDESIGNANDPERFORMANCEIMPROVEMENTADissertationbyPEYMANNIAZISubmittedtotheOfficeofGraduateStudiesofTexasA&MUniversityinpartialfulfillmentoftherequirementsforthedegreeofDOCTOROFPHILOSOPHYApprove

3、dby:ChairofCommittee,HamidA.ToliyatCommitteeMembers,PrasadEnjetiShankar.P.BhattacharyyaRezaLangariHeadofDepartment,CostasGeorghiadesDecember2005MajorSubject:ElectricalEngineeringiiiABSTRACTPermanentMagnetAssistedSynchronousReluctanceMotorDesignandPerformanceImprovement.(Dece

4、mber2005)PeymanNiazi,B.S.,IsfahanUniversityofTechnology(IUT),Isfahan,Iran;M.S.,KhajeNassirToosiUniversityofTechnology,Tehran,IranChairofAdvisoryCommittee:Dr.HamidA.ToliyatRecently,permanentmagnetassisted(PMa)-synchronousreluctancemotors(SynRM)havebeenconsideredasapossiblealt

5、ernativemotordriveforhighperformanceapplications.Inordertohaveanefficientmotordrive,performingofthreestepsindesignoftheoveralldriveisnotavoidable.Thesestepsaredesignoptimizationofthemotor,identificationofthemotorparameterandimplementationofanadvancedcontrolsystemtoensureopti

6、mumoperation.Therefore,thisdissertationfirstdealswiththedesignoptimizationofthePermanentMagnetAssistedSynchronousReluctanceMotor(PMa-SynRM).VariouskeypointsintherotordesignofalowcostPMa-SynRMareintroducedandtheireffectsarestudied.Finiteelementapproachhasbeenutilizedtoshowthe

7、effectsoftheseparametersonthedevelopedaverageelectromagnetictorqueandthetotald-qinductances.Asitcanbeinferredfromthenameofthemotor,therearesomepermanentmagnetsmountedintherotorcore.Oneofthefeaturesconsideredinthedesignofthismotoristhemagnetizationofthepermanentmagnetsmounted

8、intherotorcoreusingthestatorwindingstoreducethemanufacturingcost.ivAtthenex