Multi-layer Windings Effect on Interior PM Machines for EV Applications

被引:0
|
作者
Wang, Yawei [1 ]
Qu, Ronghai [1 ]
Li, Jian [1 ]
机构
[1] Huazhong Univ Sci & Technol, Sch Elect & Elect Engn, State Key Lab Adv Electromagnet Engn & Technol, Wuhan 430074, Hubei, Peoples R China
关键词
Electric vehicles; finite element analysis; flux weakening; fractional slot; multilayer windings; permanent magnet machines; DESIGN;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper mainly studies the effect of the winding layer number on the performance of IPM synchronous machines equipped with fractional-slot concentrated windings (FSCW) for electric vehicle (EV) applications. In order to quantitatively evaluate FSCW-IPM machines with different numbers of winding layers, three models with single-, double- and four-layer winding configurations will be built, comparing back EMF, average torque, torque ripple, core losses, flux-weakening capability, overload capability, etc. It is proved that multilayer windings yield lower d-axes inductance, which leads to weaker flux-weakening capability but better overload capability. It is also shown that torque ripple and core losses are significantly reduced in machines with multilayer windings. Theoretical and finite element analysis have been carried out to verify those conclusions.
引用
收藏
页码:2038 / 2044
页数:7
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