Torque Analysis and Improvement of Single-Phase Asymmetric-Stator-Pole Doubly Salient Permanent Magnet Machine

被引：3
|
作者：
He, Mingjie [1 ]
Xu, Wei [1 ]
Ye, Caiyong [1 ]
Hu, Dong [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Elect & Elect Engn, State Key Lab Adv Electromagnet Engn & Technol, Wuhan 430074, Hubei, Peoples R China
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2018年 / 54卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Cogging torque; finite-element algorithm (FEA); single-phase asymmetric-stator-pole doubly salient permanent magnet machine (SP-ASPDSPMM); starting torque; torque ripple; DC;
D O I：
10.1109/TMAG.2018.2827951
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：
Doubly salient permanent magnet machine (DSPMM) has received extensive attentions recently due to its simple structure, high reliability, high torque density, etc. An improved 4/4 stator/rotor single-phase asymmetric-stator-pole DSPMM is proposed in this paper. First, it has investigated the topologies and operating principle based on torque expression and graphical description. Then, the effect of key structure parameters on torque is studied based on the 2-D finite-element algorithm. And then, comprehensive comparison on electromagnetic torque for the original and new machines is made. Finally, one prototype for the improved structure is manufactured and tested. It indicates that lower cogging torque, lower torque ripple, and stronger starting capability can be obtained by the improved structure. The theoretical results are well validated by comprehensive experiments.
引用
收藏
页数：6
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