Abstract：This paper introduces the active power filter model of rotating d-q reference frame. PI controller is analyzed based on this model carefully. The active power filter reference current is far from DC signal, so the PI controller can’t obtain zero steady-state error. In this paper, a current control method based on PI and resonant controller is proposed. Resonant controller can obtain zero steady-state error for sinusoidal inputs with the same frequency as its resonant frequency. So, proposed current control scheme can compensate specified harmonics with zero steady-state error. Harmonics compensation performance can be improved for the active power filter.
杨秋霞, 梁雄国, 郭小强, 赵清林. 准谐振控制器在有源电力滤波器中的应用[J]. 电工技术学报, 2009, 24(7): 171-176.
Yang Qiuxia, Liang Xiongguo, Guo Xiaoqiang, Zhao Qinglin. Application of Quasi Resonant Controller for Active Power Filter. Transactions of China Electrotechnical Society, 2009, 24(7): 171-176.
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2009, Vol. 24 
