Research on the High Efficiency External Rotor Permanent Magnet Motor Based on Halbach Array

被引：0
作者：
Li, Lili [1 ]
Zhang, Jiangpeng [1 ]
Zhang, Chengming [1 ]
Yu, Jikun [1 ]
机构：
[1] Harbin Inst Technol, Sch Elect Engn & Automat, Harbin, Peoples R China
来源：
2015 18TH INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS) | 2015年
关键词：
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：
The external rotor permanent magnet motor has large air gap area, which can get high output torque. In order to reduce the stator core loss and the magnet eddy-current loss caused by high harmonic wave in the air-gap flux, in this paper a new kind of Halbach array form has been presented to achieve more sinusoidal air gap flux wave. Firstly, the optimal Halbach array form of m=3 was obtained by analytic calculation and finite element analysis (FEA), which has optimal air-gap flux waveform. Then we have analyzed the influence of axial and radial segmentation of magnets on the eddy-current loss. Through the optimization analysis of stator slot, the total loss has been reduced. Finally, the correctness of the theory is verified by prototype experiments.
引用
收藏
页码：1463 / 1467
页数：5
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