Optimization of the magnetic pole shape of a permanent-magnet synchronous motor

被引：69

作者：

Zheng, Ping ^{[1
]}

Zhao, Jing ^{[1
]}

Han, Jianqun ^{[1
]}

Wang, Jie ^{[1
]}

Yao, Zhiyuan ^{[1
]}

Liu, Ranran ^{[1
]}

机构：

[1] Harbin Inst Technol, Harbin 150001, Peoples R China

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2007年 / 43卷 / 06期

基金：

中国国家自然科学基金;

关键词：

finite-element method (FEM); magnetic pole; magnetic bridge; permanent-magnet synchronous motor (PMSM);

D O I：

10.1109/TMAG.2007.893631

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：

A kind of six-slot/four-pole permanent-magnet (PM) synchronous motor is very popular nowadays for the advantages of saving coppers and because it is easy to manufacture. The magnetomotive force (MMF) produced by the six-slot stator windings are not symmetrical under the four poles, and more harmonics exist in the air gap, which will increase the torque ripple and noise. In this paper the rotor structure is optimized from the aspects of magnetic-pole embrace, magnetic bridge, and magnetic-pole eccentricity to obtain better air-gap magnetic field distribution and torque curves.

引用

页码：2531 / 2533

页数：3

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