Influences of PM Number and Shape of Spoke Array PM Flux Reversal Machines

被引：9
|
作者：
Qu, Huan [1 ]
Zhu, Z. Q. [1 ]
Shuang, Bo [1 ]
机构：
[1] Univ Sheffield, Dept Elect & Elect Engn, Sheffield S10 2TN, S Yorkshire, England
来源：
IEEE TRANSACTIONS ON ENERGY CONVERSION | 2021年 / 36卷 / 02期
关键词：
Flux reversal; permanent magnet (PM); PM number; PM shape; spoke array; stator PM; DESIGN;
D O I：
10.1109/TEC.2020.3031030
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Spoke array permanent magnet (PM) flux reversal machines (SAFRPMMs), which are suitable for low speed and high torque applications, are able to enhance torque density due to the flux focusing effect. In this paper, what influence both the number of PM per slot and the PM shape have on their electromagnetic performance are investigated. The results show that both the PM number and the PM shape have significant effects on the performance of SAFRPMMs, and proper selections are critical in designing high performance machines. When the PM number per slot is 2, the SAFRPMM exhibits the best electromagnetic performances, i.e., the highest torque, power, efficiency, and power factor. Meanwhile, by properly designing the PM shape, the torque can be further improved by around 11%. A prototype is made and tested to validate the analyses.
引用
收藏
页码：1131 / 1142
页数：12
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