车用爪极发电机转子极爪倒角对电磁振动的影响研究

doi:10.19595/j.cnki.1000-6753.tces.162033

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Abstract This paper describes the influence of rotor claw chamfer on power generation capacity and electromagnetic vibration of automotive claw pole alternator. Firstly, 3D finite element model (FEM) of claw pole alternator was established and its accuracy was validated by back-electromotive force (back-EMF) test. Then, the magnetic force harmonics which mainly cause the electromagnetic vibration of claw pole alternator was identified with the help of 2D Fourier transform of magnetic force. What’s more, the influence of rotor claw chamfer on power generation capacity and magnetic force harmonics was analyzed. Finally, a multiphysics simulation model for predicting the electromagnetic vibration of claw pole alternator was established and the influence of rotor claw chamfer on electromagnetic vibration was analyzed. Results show that rotor claw chamfer would almost not decrease the power generation capacity but can greatly reduce the amplitude of magnetic force harmonics and the electromagnetic vibration of claw pole alternator. Rear chamfer is better than front chamfer on vibration reduction.

Key words： Claw pole alternator electromagnetic vibration rotor claw chamfer electromagnetic force spatial order

Received: 31 December 2016 Published: 16 January 2018

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TM341

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	Wu Shuanglong
	Zuo Shuguang
	Zhong Hongmin
	Zhang Yaodan
	Sun Han

Cite this article:

Wu Shuanglong,Zuo Shuguang,Zhong Hongmin等. Influence of Rotor Claw Chamfer on Electromagnetic Vibration of Automotive Claw Pole Alternator[J]. Transactions of China Electrotechnical Society, 2018, 33(1): 48-54.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.162033 OR https://dgjsxb.ces-transaction.com/EN/Y2018/V33/I1/48

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