首先针对三相并网逆变器的LCL 滤波进行原理设计,其次建立基于LCL 滤波器三相并网逆变器的状态空间数学模型。同时提出了一种基于状态反馈极点配置与重复控制器相结合的并网控制策略。最后给出了仿真波形以及实验结果证明控制策略的可行性。Abstract: This paper theoretically analyzed the three-phase inverter with LCL filter, and established the state-space mathematic model of the inverter. Through the analysis about Pole-assignment control and repetitive control, this paper designed a hybrid controller incorporating repetitive control and state feedback pole-assignment control based on single-phase inverter with LCL filter, and the experiment proved the validity of the controller.关键词:LCL 滤波器;光伏并网;极点配置;重复控制Keyword: LCL filter; photovoltaic grid-connected; Pole-assignment; Repetitive control
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