文档名：多三相分布式绕组和集中式绕组永磁磁阻电机对比研究
摘要：利用磁阻转矩替代永磁转矩,永磁磁阻电机可减少永磁用量,以较低的成本实现相同的性能,该电机在相关行业应用正愈发得到重视.得益于较低的永磁磁链,该类电机短路电流小,非常适合容错设计.电机运行性能和容错能力与绕组紧密相关,因此该文研究了两台分别采用分布式绕组和集中式绕组的多三相永磁磁阻电机,两台电机基于相同性能指标进行设计加工.通过深入的有限元仿真和实验测试,比较了两台电机的反电动势、最大转矩电流比(MTPA)曲线、输出转矩以及不同故障模式下的故障行为和容错能力.结果表明,对于中低速应用场合,采用集中式绕组永磁磁阻电机较之分布式绕组结构具有更好的容错表现.
Abstract：PMAssistedSynchronousReluctanceMachine(PMA-SynRM)receivesincreasedinterestinindustryapplications.ItreducesthePMusageandoffsetsthetorquereductionbyemployingreluctancetorque,achievingcomparableperformancewithalowercost.ThistypeofmachinefeatureslowPMfluxlinkage,suitableforfault-tolerantapplications.Themachinedriveperformanceandfault-tolerantabilityarecloselyrelatedtotheirwindings.Therefore,thispapercomparestwofault-tolerantmotortopologieswithmultiple3-phasedistributedwindingandmultiple3-phaseconcentratedwinding.First,thetwomotorsaredesignedunderthesametechnicalspecificationsandoperateattheratedpointwith24N·mtorqueat2000r/min.Foreachdesignsample,simulationcalculationsareconductedinFlux,andtherelevantdataisimportedintoHyperStudy.Then,HyperStudyusesageneticalgorithmtocalculatetherelevantparametersofthenextiterationuntilthetwomotors'finaloptimizationparametersareachieved.Secondly,2DfiniteelementsimulationmodelsofthedistributedandcentralizedwindingmotorsareestablishedusingFluxfiniteelementsimulationsoftware.Thetwomotorsaresimulatedandanalyzed,andthebackelectromotiveforce,MTPAcurve,outputtorque,faultbehavior,andfaulttolerancecapabilityunderdifferentfaultmodesarecompared.Theresultsshowthattheefficiencyoftheconcentratedwindingmotoris1.1%higherthanthatofthedistributedwindingmotor.Theconcentratedwindingmotorhasalowerproportionofreluctancetorque,anditsoutputtorqueis1.2N·mhigherthanthatofthedistributedwindingmotorunderopencircuitconditionsbutlowerundershortcircuitconditions.Underinter-turnshortcircuit,aftertakingtheterminalshortcircuit(TSC)protectionaction,theshortcircuitcurrentofthecentralizedwindingmotorisonly80%ofthatofthedistributedwindingmotor,indicatingthatthecentralizedwindingmotorhasmorerobustfaulttoleranceperformance.Finally,byprocessingtheprototypeandbuildinganexperimentalplatform,differentloadcurrentsareappliedtothetwomotorsunderhealthyoperationconditionsandfaultmodes.ItisfoundthattheoutputcharacteristicsandfaulttolerancecharacteristicsofthetwomotorsareconsistentwiththeFEsimulationresults.Theexperimentalresultsverifiedtheaccuracyofthesimulationmodel.Thefollowingconclusionscanbedrawn:(1)Distributedwindingmotorsrelymoreonreluctancetorque,whilecentralizedwindingmotorsrelymoreonpermanentmagnettorque.Thecentralizedwindingmotorhashigherefficiencyduetomuchlowerendwindings,smallertorqueripple,andbetterperformance.(2)Underopencircuitconditions,twomotorscanachievefaultoperationthroughtheremaininghealthythree-phasewindings,andtheconcentratedwindingmotorexhibitshigheroutputtorquecapacity.(3)Undershortcircuitfaultconditions,bothmotorscouldeffectivelysuppresstheshortcircuitcurrentafterTSC,butthedistributedwindingmotorhashigheroutputtorque.(4)Underinter-turnshortcircuitfault,afteradoptingTSCprotectionaction,theinterturnshortcircuitcurrentsofbothmotorsaresignificantlyweakened,andthefaultcurrentoftheconcentratedwindingmotorissmaller.Thefaulttoleranceperformanceoftheconcentratedwindingmotorisbetterthanthatofthedistributedwindingmotorundertheinter-turnshortcircuit.Thetwomultiple3-phasePMA-SynRMsaregoodcandidatesforsafety-criticalapplications.Thedistributedwindingmachineissuitableforarelativelyhigh-speedrange,whiletheconcentratedwindingmachineismoresuitableformediumandlow-speedranges.
作者：汪波 徐文翰 查陈诚 刘朝辉 程明 花为 Author：WangBo XuWenhan ZhaChencheng LiuChaohui ChengMing HuaWei
作者单位：东南大学电气工程学院南京210096国家新能源汽车技术创新中心北京100176
刊名：电工技术学报 ISTICEIPKU
Journal：TransactionsofChinaElectrotechnicalSociety
年，卷(期)：2024, 39(10)
分类号：TM341
关键词：多三相容错电机 故障运行 匝间短路 有限元仿真
Keywords：Multiple3-phasefaulttolerantmotor faultoperation interturnshortcircuit finiteelementsimulation
机标分类号：TM351TM712TG146.21
在线出版日期：2024年5月31日
基金项目：国家重点研发计划多三相分布式绕组和集中式绕组永磁磁阻电机对比研究[
期刊论文] 电工技术学报--2024, 39(10)汪波 徐文翰 查陈诚 刘朝辉 程明 花为利用磁阻转矩替代永磁转矩,永磁磁阻电机可减少永磁用量,以较低的成本实现相同的性能,该电机在相关行业应用正愈发得到重视.得益于较低的永磁磁链,该类电机短路电流小,非常适合容错设计.电机运行性能和容错能力与绕组紧...参考文献和引证文献
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多三相分布式绕组和集中式绕组永磁磁阻电机对比研究 Comparative Study on Triple 3-Phase PMA-SynRM with Distributed Winding and Concentrated Winding
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