非均匀气隙对永磁同步电动机弱磁能力的影响

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Abstract In this paper, the influence of the rotor surface structure on the magnetic weakening performance of the interior permanent magnet synchronous motor (IPMSM) is studied. The rotor surface structure between the adjacent poles of the IPMSM is changed to determine different model schemes. Finite element software MAXWELL is used to model and simulate the prototype. The results show that optimization of the rotor structure can change the calculation of the polar arc coefficient and inductance parameters of the permanent magnet motor. This method can also improve the Flux-weakening Operation Performance of IPMSM.

Key words： interior permanent magnet synchronous motor rotor surface structure flux-weakening operation performance

Received: 08 September 2017 Published: 19 March 2018

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	Lin Chuanlin
	Lin Zhen

Cite this article:

Lin Chuanlin,Lin Zhen. Influence of non-uniform air gap on the flux-weakening operation performance of permanent magnet synchronous motor[J]. Electrical Engineering, 2018, 19(3): 65-69.

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http://dqjs.cesmedia.cn/EN/Y2018/V19/I3/65