永磁同步电机三矢量模型预测电流控制

doi:10.19595/j.cnki.1000-6753.tces.170044

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Abstract In the optimal duty cycle model predictive control strategy of permanent magnet synchronous motor, the voltage vector direction is fixed and the range of optional vectorsare limited,and only the quadrature component ofcurrent is controlled by using a deadbeatsolution, so the current still haslarge ripples. In this paper, a three-vector-based model predictive current control strategy is proposed.In this method, three basic voltage vectors are equivalent to synthesize aexpected voltage vector in each sector, and six expected voltage vectors in six sectors are used as candidate voltage vectors, which can cover any direction and any amplitude.In order to achieve the deadbeat control of the direct and quadrature current components simultaneously, the deadbeat principle is used to calculate the vector duration in this paper.The strategy can reduce the current ripples effectively, and improve the steady-state performance. Experimental results demonstrate the feasibility and effectiveness of the proposed strategy.

Key words： Permanent magnet synchronous motor three-vector model predictive current control expected voltage vector current ripples

Received: 12 January 2017 Published: 14 March 2018

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TM351

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	Xu Yanping
	Wang Jibing
	Zhang Baocheng
	Zhou Qin

Cite this article:

Xu Yanping,Wang Jibing,Zhang Baocheng等. Three-Vector-Based Model Predictive Current Control for Permanent Magnet Synchronous Motor[J]. Transactions of China Electrotechnical Society, 2018, 33(5): 980-988.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.170044 OR https://dgjsxb.ces-transaction.com/EN/Y2018/V33/I5/980

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