模块化永磁电机的设计分析与实验

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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

Received: 11 November 2008 Published: 12 December 2014

PACS:

TM351

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	Articles by authors
	Ji Jinghua
	Sun Yukun
	Zhu Jihong
	Zhao Wenxiang

Cite this article:

Ji Jinghua,Sun Yukun,Zhu Jihong等. Design, Analysis and Experimental Validation of a Modular Permanent-Magnet Machine[J]. Transactions of China Electrotechnical Society, 2010, 25(2): 22-29.

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

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