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The Repetitive Control Algorithm Based Current Waveform Correction for Shunt Active Power Filter
Author(s): 
Pages: 127-131
Year: Issue:  2
Journal: TRANSACTIONS OF CHINA ELECTROTECHNICAL SOCIETY

Keyword:  重复控制PI控制有源电力滤波器电流波形控制;
Abstract: 首先通过对数字PI调节器的仿真和实验指出了它在有源滤波中的局限性,提出将重复控制引入到电流环中以提高稳态性能.进而将重复控制和PI控制器并联用于并联型有源电力滤波器输出电流波形控制,其中PI控制保证系统动态性能,而重复控制提高输出电流波形跟踪精度.文中详细分析了控制器的设计思路和频率特性,实验和仿真表明采用该方法后,可以显著改善滤波效果.
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