Stator-Slot/Rotor-Pole Pair Combinations of Flux-Reversal Permanent Magnet Machine

被引:29
|
作者
Zhu, Xiaofeng [1 ]
Hua, Wei [1 ]
机构
[1] Southeast Univ, Sch Elect Engn, Nanjing 210096, Jiangsu, Peoples R China
关键词
Back electromotive force (EMF); fault-tolerant; flux-reversal permanent magnet (FRPM) machine; stator-slot/rotor-pole pair combination;
D O I
10.1109/TIE.2018.2878113
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this paper, the stator-slot/rotor-pole pair combination principle of flux-reversal permanent magnet machines is proposed considering both magnetization modes and magnetic flux leakage effects. First, arbitrary slot/pole combinations with different magnetization modes exhibit compensation effect or are not investigated and the reason why some special slot/pole combinations without compensation effect still exhibit a rather sinusoidal back electromotive force (EMF) is unveiled. Then, the winding factor of back EMF is given and the effect of slot/pole combination on electromagnetic performances is investigated. Finally, specific slot/pole combinations exhibiting fault-tolerant capability are also discussed. Correspondingly, the experiments are constructed to verify the theoretical analysis. Finally, a determination principle for reasonable slot/pole combining is summarized, where both the magnetization mode and coil pitch can be obtained aiming at maximum back EMF. Additionally, the proper slot/pole combinations suitable for different load conditions and fault-tolerant applications are also highlighted.
引用
收藏
页码:6799 / 6810
页数:12
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