基于等效磁路法的轴向永磁电机效率优化设计

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Abstract This paper presents the magnetic equivalent circuit method for fast calculating the magnetic and performance of double rotors, single stator module axial flux permanent magnet machines. Sensitive parameters effects on the machine loss and efficiency are discussed, including stator outer diameter, permanent magnet axial height, air gap length, etc. A 30kW axial flux permanent magnet machine with yokeless and segment armature is optimally designed, and further the machine air-gap and stator teeth flux density, induction electromotive force are calculated by using the proposed method. The MEC model takes into account the magnetic saturation, armature reaction, leakage flux and the relative motion, and the calculation results are compared with finite element method to verify the correctness of the proposed model and the effectiveness of the optimization design process.

Key words： Axial flux permanent magnet machine magnetic equivalent circuit(MEC) loss efficiency optimization

Received: 20 August 2014 Published: 14 April 2015

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TM302

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	Huang Yunkai
	Zhou Tao

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Huang Yunkai,Zhou Tao. Efficiency Optimization Design of Axial Flux Permanent Magnet Machines Using Magnetic Equivalent Circuit[J]. Transactions of China Electrotechnical Society, 2015, 30(2): 73-79.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2015/V30/I2/73

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