模块化永磁电机的设计分析与实验

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摘要模块化永磁(MPM)电机是一种新型永磁无刷电机, 具有功率密度高、容错性能好等优点, 适合于高可靠性驱动领域的应用。本文介绍了MPM电机的结构特点, 分析了容错机理, 推导了电机参数设计方程, 并以最大转矩密度为目标进行电机优化设计。运用有限元法和系统场路耦合法对所设计的MPM电机的电磁性能进行计算分析, 制造了一台四相MPM实验样机, 并对其进行了测试。仿真和实验结果验证了理论分析的正确性, 本文的工作为MPM电机的运行控制建立了基础。

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	吉敬华
	孙玉坤
	朱纪洪
	赵文祥

关键词 ：永磁电机, 电机设计, 有限元分析, 场路耦合

Abstract：Modular permanent-magnet (MPM) motor is a new class of PM brushless machine for drive applications requiring high reliability. MPM machines offer the advantages of high power density and fault-tolerance. In this paper, the machine topology is presented and its fault-tolerant characteristic is analyzed. Moreover, the output power equation is derived analytically, and the optimal design of machine dimensions and parameters for maximum torque per volume are also discussed. Furthermore, to predict the electromagnetic performance of the designed machine, finite-element analysis and coupling field-circuit co-simulation methods are adopted. Finally, a four-phase MPM machine is built and tested for verification. Both simulation and experimental results are given to verify the theoretical analysis. This work lays a foundation for the operation control of MPM machines.

Key words： Permanent-magnet machine motor design finite element analysis coupling field- circuit

收稿日期: 2008-11-11 出版日期: 2014-12-12

PACS:

TM351

基金资助:感谢清华大学智能技术与系统国家重点实验室课题组相关成员在为期一年的交流学习过程中给予的帮助; 国家自然科学基金资助项目 (60774044, 50907031)

作者简介: 吉敬华女, 1977年生, 博士研究生, 讲师, 研究方向为特种电机的设计与分析、电机电磁场计算等。孙玉坤男, 1958年生, 教授, 博士生导师, 研究方向为特种电机的智能控制、复杂过程的智能检测等。

引用本文:

吉敬华, 孙玉坤, 朱纪洪, 赵文祥. 模块化永磁电机的设计分析与实验[J]. 电工技术学报, 2010, 25(2): 22-29. Ji Jinghua, Sun Yukun, Zhu Jihong, Zhao Wenxiang. Design, Analysis and Experimental Validation of a Modular Permanent-Magnet Machine. Transactions of China Electrotechnical Society, 2010, 25(2): 22-29.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2010/V25/I2/22

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