|本期目录/Table of Contents|

[1]罗宏浩,廖自力.永磁电机齿槽转矩的谐波分析与最小化设计[J].电机与控制学报,2010,(04):36-40.
 LUO Hong-hao,LIAO Zi-li.Harmonic analysis and minimization of cogging torque in permanent magnet motors[J].,2010,(04):36-40.
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
期数:
2010年04
页码:
36-40
栏目:
出版日期:
2010-04-30

文章信息/Info

Title:
Harmonic analysis and minimization of cogging torque in permanent magnet motors
作者:
罗宏浩; 廖自力;
装甲兵工程学院控制工程系;
Author(s):
LUO Hong-hao; LIAO Zi-li
Department of Control Engineering; Academy of Armored Force Engineering; Beijing 100072; China
关键词:
永磁电机 齿槽转矩 优化设计 有限元方法 谐波分析
Keywords:
permanent magnet motors cogging torque optimization design finite element method harmonic analysis
分类号:
TM351
DOI:
-
文献标志码:
A
摘要:
针对传统电机优化设计方法使用特殊形状的铁心或磁极,导致电机结构复杂、难以加工的问题,采用频谱分析的方法对内置式永磁电机和表贴式永磁电机的齿槽转矩进行研究。用有限元方法计算两种电机模型的齿槽转矩,进而由傅里叶变换得到其各次谐波的功率谱。理论分析表明,采用适当余数的分数槽电机可以消除齿槽转矩中的特定谐波分量;而优化极弧长度则可以使其谐波总量最小化。针对永磁电机齿槽转矩谐波分量较大的缺点,提出二者相结合的方法抑制永磁电机的齿槽转矩。有限元计算结果显示,优化设计后,齿槽转矩的幅值不足额定转矩的0.1%。
Abstract:
Traditional optimazation design methods utilize iron core and magnet poles with special shape to complicate the structure of motors and make them hard to be manufactured.The method of harmonic analysis is adopted to have an insight into the cogging torque in an interior permanent magnet motor(IPM) and a surface mounted permanent magnet motor(SPM).Cogging torque of the two motors were calculated by finite element method(FEM) and their power spectrums were computed by Fourier transform.Theory analysis leads t...

参考文献/References:

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备注/Memo

备注/Memo:
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更新日期/Last Update: 2010-08-18