分析了电压型控制模式下的逆变器并网的电路结构和数学模型，提出了基于重复控制技术的光伏逆变器并网控制策略，仿真和实验结果表明方案满足逆变器并网要求。-Voltage control mode inverter grid circuit structure and mathematical model is proposed based on repetitive control technology photovoltaic inverter grid control strategy, simu

对一种由Boost和带LCL滤波器的逆变电路组成的两级式单相光伏并网逆变器进行了研究。-A two-stage single-phase photovoltaic grid-connected inverter has been studied,which consists of a boost DC/DC converter and a DC/AC inverter with LCL filter