静止坐标系下基于最优时间序列的电压型PWM整流器电流预测控制

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Abstract The finite control set model predictive control strategy can regulate α-and β-currents of pulse-width modulation (PWM) rectifiers. However, the main advantages are non-constant switching frequency and current ripples. This paper proposed a novel current regulation strategy of PWM rectifiers based on optimum time sequence in stationary frame. The proposed strategy selected active voltage vectors based on the location information of grid voltage vector. A cost function based on the current error was then constructed. The action time of each active vector was calculated by minimizing the cost function. The experimental results indicate that the proposed current control scheme achieves flexible current regulation in stationary frame, inheriting the merit of finite-state predictive control and realize the rapid dynamic response, but also ensure the constant switching frequency and improve the steady-state control effect.

Key words： Stationary frame optimum time sequence predictive control constant switching frequency cost function

Received: 12 November 2012 Published: 25 March 2014

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TM34

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	Articles by authors
	Song Zhanfeng
	Xia Changliang
	Gu Xin

Cite this article:

Song Zhanfeng,Xia Changliang,Gu Xin. Stationary Frame Current Regulation of PWM Rectifiers Based on Predictive Control[J]. Transactions of China Electrotechnical Society, 2013, 28(3): 234-240.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2013/V28/I3/234

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