可变磁通永磁辅助同步磁阻电机设计与性能分析

doi:10.19595/j.cnki.1000-6753.tces.L80389

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Abstract This paper takes permanent magnet (PM) assisted synchronous motor (PMaSynRM)with three layer flux barrier rotor as an example and presents a novel rotor design method for variable-flux PMaSynRM with hybrid ferrites and alnico PMs.This method makes PMaSynRM integrates the merits of memory motor which are low loss, high torque output in flux-weaken range and wide operation range. Firstly, the method of rotor magneticfield regulate was given.Secondly, the influence of magnetic regulate current and overload capability on the machine performance was analyzed based on the design of working point of PM. Thirdly, the determination of PMs arrangement and optimization method of volume ratio between two kinds of PMs were discussed. Finally, the method of rotor design was concluded. The simulation result shows that adopting rotor designmethod proposed by this paper can reduce the loss of machine up to 56% and enhancetorque outputin flux-weaken range,operation range can also be promoted effectively.

Key words： Permanent magnet (PM) assisted synchronous motor memory motor demagnetization finite element method

Received: 01 July 2018 Published: 31 January 2019

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TM351

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	Articles by authors
	Yang Chen
	Bai Baodong
	Chen Dezhi
	Li Daiyan

Cite this article:

Yang Chen,Bai Baodong,Chen Dezhi等. Design and Analysis of a Variable Flux Permanent Magnet Assisted Synchronous Motor[J]. Transactions of China Electrotechnical Society, 2019, 34(3): 489-496.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.L80389 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/I3/489

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