电动汽车分布绕组铁氧体电机的电磁设计
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摘要
电动汽车驱动用铁氧体电机多用分布式定子绕组。以60 k W电动汽车驱动用电机为例,采用计算机仿真方法,研究分布绕组铁氧体电机电磁设计中极槽配合、磁钢布置对转矩能力和性能的影响,同时讨论铁氧体磁钢的不可逆退磁问题,得出能够指导工程实践的有益结论。
PMaSynRM for electric vehicles uses the distributed winding. A design scheme of a 60 k W PMaSynRM used in the electric vehicle was discussed. The effect of pole-slot combination and magnet arrangement on torque capability and performance was studied by simulation method in the electromagnetic design of the distributed-winding PMaSynRM,and the irreversible demagnetization of ferrite magnets was discussed in order to draw useful conclusions that can guide.
PMaSynRM for electric vehicles uses the distributed winding. A design scheme of a 60 k W PMaSynRM used in the electric vehicle was discussed. The effect of pole-slot combination and magnet arrangement on torque capability and performance was studied by simulation method in the electromagnetic design of the distributed-winding PMaSynRM,and the irreversible demagnetization of ferrite magnets was discussed in order to draw useful conclusions that can guide.
引文
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[2]李新华,刘伟,赵云.新能源汽车永磁辅助式同步磁阻电机研发综述[C]//中国小电机技术研讨会,2014:46-60.
[3]李新华,阮波,徐竟成,等.电动大巴永磁辅助磁阻同步电动机仿真分析[J].微特电机,2014,42(3):1-3.
[4]李新华,张家思,王晓光.电动汽车集中绕组永磁辅助式同步磁阻电机研究[C]//中国小电机技术研讨会,2016:33-38.
[5] SANADA M,INOUE Y,MORIMOTO S. Rotor structure for re-ducing demagnetization of magnet in a PMASynRM with ferrite per-manent magnet and its characteristics[C]//IEEE Energy Conver-sion Congress and Exposition. IEEE,2011:4189-4194.
[6] ENDO T,SANADA M,MORIMOTO S,et al. IPMSM design to im-prove characteristics under magnet demagnetization[C]//19th In-ternational Conference on Electrical Machines and Systems(ICEMS),Chiba,2016:1-6.
[7] PARADKAR M,BOECKER J. Design of a high performance fer-rite magnet-assisted synchronous reluctance motor for an electricvehicle[C]//IECON 2012-38th Annual Conference on IEEEIndustrial Electronics Society. IEEE,2012:4099-4103.
[8] IMAMURA K,SANADA M,MORIMOTO S,et al. Improvement ofcharacteristics by flux barrier shape and magnet thickness ofIPMSM with Dy-free rare-earth magnet[C]//European Con-ference on Power Electronics and Applications. IEEE,2013:1-10.