Electromagnetic Optimization Design of Compound-Structure Permanent-Magnet Motor for Hybrid Electric Vehicle

被引：0
|
作者：
Xu Q. [1 ]
Sun J. [1 ]
Yang Y. [1 ]
Tao T. [1 ]
Cui S. [2 ]
机构：
[1] The State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Chongqing
[2] School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin
来源：
Diangong Jishu Xuebao/Transactions of China Electrotechnical Society | 2020年 / 35卷
关键词：
Compound-structure permanent-magnet motor; Electromagnetic optimization design; Hybrid electric vehicle; State equation; Torque ripple;
D O I：
10.19595/j.cnki.1000-6753.tces.L80143
中图分类号：
学科分类号：
摘要：
The electromagnetic structure of compound-structure permanent-magnet(CSPM) motor for hybrid electric vehicle (HEV) was optimized in this paper to reduce the torque ripple caused by the nonlinear variation of the magnetic circuit parameters, then the running stability of HEV would be improved. Firstly, the structure and typical work mode of HEV based on CSPM motor were introduced. Next, the state equation of CSPM motor under three-phase stationary coordinate system was established to study the torque characteristic of it. Then, the electromagnetic structure of CSPM motor was optimized using finite element method (FEM) to reduce the coupling degree between the internal and external magnetic fields, then reduce the torque ripple. Finally, the motor model is established based on the selected parameters, and the rationality of the electromagnetic optimization design is verified by comparing the electromagnetic performance of CSPM motor before and after optimization. The direction for further research is pointed out according to the flux linkage of CSPM motor. © 2019, Electrical Technology Press Co. Ltd. All right reserved.
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页码：126 / 135
页数：9
相关论文
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