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liang ji shi dan xiang ni bian shu ru duan wen bo dian liu shuang fan kui yi zhi
Author(s): 
Pages: 187-193+217
Year: Issue:  8
Journal: Transactions of China Electrotechnical Society

Keyword:  Renewable energy inverterripple currentsmall signal modepropagation eguation of ripple two-stage inverter;
Abstract: 在两级式单相逆变系统中,逆变器的输入端电流含有大量低频纹波。本文对两级式单相逆变系统中能量流动、纹波功率以及输入端纹波电流的产生机理进行了分析。基于Boost电路的小信号模型和纹波电流的等效电路模型,提出一种基于电流双反馈通道的输入端纹波电流抑制方法。此控制策略在基于DSP的先进数字控制平台上进行了实验,实验结果表明了该控制策略的有效性和合理性。
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