一种削弱表面-内置式永磁电机齿槽转矩方法

doi:1004-7018-46-2-53-55

微特电机 ›› 2018, Vol. 46 ›› Issue (2): 53-55.doi: 1004-7018-46-2-53-55

一种削弱表面-内置式永磁电机齿槽转矩方法

黄晓寸¹,王冲²,高起兴³,井立兵³

^1. 沧州师范学院,沧州 061001
^2. 燕山大学,秦皇岛 066004
^3. 三峡大学,宜昌 443002

收稿日期:2017-11-27 出版日期:2018-02-28 发布日期:2018-02-28
作者简介:黄晓寸(1983-),女,硕士,讲师,研究方向为混合永磁同步电机特性分析。
基金资助:
国家自然科学基金项目(51707072);湖北省微电网工程技术研究中心开放基金项目(2015KDW03)

A New Method for Reducing Cogging Torque of Surface-Mounted and Interior Hybrid Permanent Magnet Synchronous Motors

HUANG Xiao-cun¹, WANG Chong², GAO Qi-xing³, JING Li-bing³

^1. Cangzhou Normal University,Cangzhou 061001,China
^2. Yanshan University,Qinhuangdao 066004,China
^3. China Three Gorges University,Yichang 443002,China

Received:2017-11-27 Online:2018-02-28 Published:2018-02-28

摘要/Abstract

摘要：

为了削弱表面-内置永磁同步电动机的齿槽转矩,设计了一种新型槽口偏移方案。分析了永磁电机齿槽转矩表达式,验证了该电机总齿槽转矩为各槽产生齿槽转矩的叠加。以此为原理,将定子铁心的槽进行分组,每组槽口偏移适当角度可以抵消电机齿槽转矩某次谐波,并计算出了槽口偏移最优偏移角。有限元仿真验证表明,该方法可以有效削弱表面-内置永磁同步电动机的齿槽转矩,且电机其他性能不受影响。

关键词: 表面-内置式永磁电机, 齿槽转矩, 槽口偏移, 有限元

Abstract:

A novel solution for reducing the cogging torque of surface-mounted and interior hybrid permanent magnet synchronous motors (SIHPMSM) was discussed. The cogging torque expression of permanent magnet synchronous motor (PMSM)was analyzed, it was verified that the total cogging torque of the motor was the superposition of the cogging torque generated in each slot. On the basis of this principle, the slot of stator core was divided into groups, and each slot was shifted in an appropriate angle to cancel the harmonic of the cogging torque. Finally, the optimal offset angle of the slot offset was calculated. The finite element analysis (FEA) results show that this method can effectively weaken the cogging torque of SIHPMSM, and the other performances of the motor are not affected.

Key words: surface-mounted and interior hybrid permanent magnet synchronous motors (SIHPMSM), cogging torque, stator slot offset, finite element analysis (FEA)

中图分类号:

TM351

黄晓寸, 王冲, 高起兴, 井立兵. 一种削弱表面-内置式永磁电机齿槽转矩方法[J]. 微特电机, 2018, 46(2): 53-55.

HUANG Xiao-cun, WANG Chong, GAO Qi-xing, JING Li-bing . A New Method for Reducing Cogging Torque of Surface-Mounted and Interior Hybrid Permanent Magnet Synchronous Motors[J]. Small & Special Electrical Machines, 2018, 46(2): 53-55.

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一种削弱表面-内置式永磁电机齿槽转矩方法

A New Method for Reducing Cogging Torque of Surface-Mounted and Interior Hybrid Permanent Magnet Synchronous Motors

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