表贴式永磁电机各次电流引起径向振动的机理分析及综合抑制策略

doi:10.19595/j.cnki.1000-6753.tces.210380

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Abstract The three-phase permanent magnet motor is driven by frequency conversion. The windings contain symmetrical current and asymmetric current of various frequencies, and even DC components. Under the modulation of the pole slot of the motor, the interaction between the current magnetic field and the permanent magnet magnetic field will cause the radial vibration of the motor. In this paper, the three-phase current of the prototype is analyzed, and the radial magnetomotive force of fundamental wave, DC component, symmetrical harmonic current and asymmetric harmonic current are deduced respectively. The radial vibration model caused by the current of each component is deduced according to Maxwell's magnetic force formula, and the correctness of the model is verified by the prototype. Finally, a radial vibration suppression model of multi-harmonic current injection method is derived, and a comprehensive radial vibration suppression control strategy of permanent magnet motor is designed based on the multi-objective RMSProp optimization algorithm. The correctness and effectiveness of the proposed method are verified by the prototype experiment.

Key words： Three phase permanent magnet synchronous motor harmonic current injection radial vibration multi-objective RMSProp optimization

Received: 19 March 2021

PACS:

TM351

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	Articles by authors
	Kang Le
	Xia Jiakuan
	Su Hang
	Song Menglin
	Zhang Rongjin

Cite this article:

Kang Le,Xia Jiakuan,Su Hang等. Mechanism Analysis and Comprehensive Suppression Strategy of Radial Vibration Induced by Each Current of Surface Magnet Motor[J]. Transactions of China Electrotechnical Society, 2022, 37(18): 4638-4650.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.210380 OR https://dgjsxb.ces-transaction.com/EN/Y2022/V37/I18/4638

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