Cogging Torque in Flux-Switching Permanent Magnet Machines

被引：86
|
作者：
Zhu, Z. Q. [1 ]
Thomas, A. S. [1 ]
Chen, J. T. [1 ]
Jewell, G. W. [1 ]
机构：
[1] Univ Sheffield, Dept Elect & Elect Engn, Sheffield S1 3JD, S Yorkshire, England
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2009年 / 45卷 / 10期
关键词：
Cogging torque; electric machines; flux switching; modular machine; permanent magnet;
D O I：
10.1109/TMAG.2009.2022050
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 influence of manufacturing tolerances on the cogging torque waveforms, as well as the back-EMF waveforms, in 3- and 5-phase flux-switching permanent magnet (FSPM) machines having different numbers of stator/rotor poles is investigated by finite element analyses and experiments. The cause of excessive cogging torque in the prototype FSPM machines has been identified. It is due to modular stator structure which makes it mechanically weak, leading to the intrusion of C-core into the airgap and an uneven inner stator bore. The analyses presented in the paper should be useful to the design and analysis of modular PM machines in general.
引用
收藏
页码：4708 / 4711
页数：4
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