新型整距绕组双凸极永磁电机工作原理及特性

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Abstract In this paper, a doubly salient permanent magnet (DSPM) machine with novel full-pitch windings is proposed. The operating principle is analyzed and the finite element method is used to calculate the flux distributions of 4/6-pole fully pitched DSPM machine. The static characteristics such as flux linkage, back EMF, inductance, and static torque show that the full pitched DSPM machine has bipolar flux variation, and the output power is equal to the previous DSPM machine with concentrated windings, with decreased copper consumption and higher efficiency. Moreover, two ways to improve the output capability of the DSPM machine are proposed. An improved three-phase 24/10-pole fully pitched DSPM machine was manufactured, analyzed and tested, and the result not only verifies the correctness of the theoretical analysis, but also reveals in the first time that the flux switching permanent magnet (FSPM) machine is a full pitched DSPM machine in nature and the higher power density of the FSPM machine is due to its increased airgap flux density by using more permanent magnet, instead of the bipolar flux variation. It also shows that the improved full-pitch winding DSPM machine has higher power output capability than the concentrated winding DSPM machine.

Key words： Full-pitch winding doubly salient flux switching bipolar homopolar permanent magnet machine

Received: 27 March 2007 Published: 11 February 2014

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TM351

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	Zhang Jianzhong
	Cheng Ming
	Zhu Xiaoyong
	Zhao Wenxiang
	Hua Wei

Cite this article:

Zhang Jianzhong,Cheng Ming,Zhu Xiaoyong等. Principle and Analysis of Doubly Salient Permanent Magnet Machine With Novel Full-Pitch Windings[J]. Transactions of China Electrotechnical Society, 2009, 24(2): 1-7.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2009/V24/I2/1

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