表贴式永磁电机齿槽转矩解析法比较研究

doi:1004-7018(2018)11-0001-05

微特电机 ›› 2018, Vol. 46 ›› Issue (11): 1-5.doi: 1004-7018(2018)11-0001-05

• 理论研究 • 下一篇

表贴式永磁电机齿槽转矩解析法比较研究

倪有源^1,²,王磊¹

^1. 合肥工业大学,合肥 230009
^2. 安徽大学高节能电机及控制技术国家地方联合工程实验室,合肥 230601

收稿日期:2017-05-05 出版日期:2018-11-28 发布日期:2018-11-28
基金资助:
安徽省自然科学基金(1508085ME89);安徽大学高节能电机及控制技术国家地方联合工程实验室开放课题基金(KFKT201602)

Comparison of Analytical Methods of Cogging Torque of Surface-Mounted Permanent Magnet Machines

NI You-yuan^1,²,WANG Lei¹

^1. Hefei University of Technology,Hefei 230009,China
^2. National Engineering Laboratory of Energy-Saving Motor & Control Technique, Anhui University,Hefei 230601,China;

Received:2017-05-05 Online:2018-11-28 Published:2018-11-28

摘要/Abstract

摘要：

对于表贴式永磁电机,分析了计算齿槽转矩的4种解析模型,主要理论包括能量法和麦克斯韦应力张量法。模型中由于考虑极间漏磁和槽漏磁的不同,从而得到齿槽转矩的波形有所不同。并用4种解析模型计算了一台表贴式永磁电机的齿槽转矩。分析结果表明,考虑极间漏磁和槽漏磁的模型精度较高,并通过有限元法验证了理论分析的有效性。

关键词: 永磁电机, 齿槽转矩, 解析法, 能量法, 麦克斯韦应力张量法

Abstract:

Four models of predicting cogging torque for surface-mounted permanent magnet machines were presented. The main theoretical ideas of the models are energy method and Maxwell stress tensor method. These models with/without accounting for the slot and inter-pole leakage magnetic were analyzed, thus resulting in different waveforms of cogging torque. The predicted cogging torque waveforms by the analytical models were analyzed and compared. The conclusion can be drawn that the analytical model with considering the effect of inter-pole and slot magnetic leakage field is more accurate and validated by a finite element method.

Key words: PM machines, cogging torque, analytical method, energy method, Maxwell stress tensor method

中图分类号:

TM351

倪有源, 王磊. 表贴式永磁电机齿槽转矩解析法比较研究[J]. 微特电机, 2018, 46(11): 1-5.

NI You-yuan, WANG Lei. Comparison of Analytical Methods of Cogging Torque of Surface-Mounted Permanent Magnet Machines[J]. Small & Special Electrical Machines, 2018, 46(11): 1-5.

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表贴式永磁电机齿槽转矩解析法比较研究

Comparison of Analytical Methods of Cogging Torque of Surface-Mounted Permanent Magnet Machines

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