改善单相混合励磁磁通切换电机转矩死区的不对称转子建模与测试

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Abstract In order to improve the problem of torque dead zone of single-phase hybrid excitation flux switching motor(HEFSM), an asymmetric rotor structure is analyzed as a solution. At first, the structural characteristics are presented. Due to the adoption of asymmetric rotor structure the magnetic field distribution of HEFSM becomes more complex. Based on the simplified circuit model, a simplified modeling method is proposed. It can achieve the description of electromagnetic torque. The results of both finite element analysis of given current and co-simulation prove that the asymmetric rotor structure can effectively improve the problem of torque dead zone of single-phase HEFSM. The experimental test result shows that the simplified model is accuracy and the effect of improving the torque dead zone is obvious.

Key words： Flux switching motor torque dead zone asymmetric rotor structure finite element analysis experimental test analysis

Received: 20 October 2014 Published: 10 April 2015

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TM315

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	Zhang Zongsheng
	Wang Xiuhe
	Yang Yubo

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Zhang Zongsheng,Wang Xiuhe,Yang Yubo. Modeling and Testing of Asymmetric Rotor for Improving Torque Dead Zone of Single-Phase Hybrid Excitation Flux Switching Motors[J]. Transactions of China Electrotechnical Society, 2015, 30(6): 30-37.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2015/V30/I6/30

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