基于无差拍电流预测控制的永磁同步电机谐波电流抑制策略

doi:10.19595/j.cnki.1000-6753.tces.211856

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Abstract In order to solve the problems of three-phase current distortion and high harmonic content during the operation of permanent magnet synchronous motors, this paper proposes a new harmonic current suppression method. Firstly, the expression of each harmonic current in the corresponding synchronous rotating coordinate system was analyzed. Then, a closed-loop harmonic current detection system was designed to extract the harmonic current. Finally, the deadbeat current prediction control strategy was used to suppress harmonic current by generating the compensation voltage. Simulation and experimental results show that this method can effectively suppress the harmonic current and improve the motor’s sinusoidal degree of the three-phase current. Moreover, the calculation is simple and easy to implement.

Key words： Permanent magnet synchronous motor harmonic current harmonic suppression synchronous rotating coordinate transformation deadbeat current prediction control

Received: 16 November 2021

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TM351

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	Articles by authors
	Gu Xin
	Lu Jinyue
	Wang Zhiqiang
	Jin Xuefeng
	Chen Wei

Cite this article:

Gu Xin,Lu Jinyue,Wang Zhiqiang等. Harmonic Current Suppression Strategy for Permanent Magnet Synchronous Motor Based on Deadbeat Current Prediction Control[J]. Transactions of China Electrotechnical Society, 2022, 37(24): 6345-6356.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.211856 OR https://dgjsxb.ces-transaction.com/EN/Y2022/V37/I24/6345

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