一种基于有源滤波与光伏发电的并网逆变器控制方法

Research on Control Method of Grid-Connected Converter Based on Active Power Filtering and Photovoltaic Generating

文中提出了一种基于有源滤波与光伏发电的并网逆变器的控制方法,在并联型有源电力滤波器的基础上拓展了新能源发电功能,采用电压电流双环对并网逆变直流侧电压和系统电网输出有功电流进行控制。该并网逆变器既可以滤除负载的谐波和补偿负载的无功功率,也可以实现有功功率的有效传输,适于未来微电网中并网逆变器的应用研究。

A control method of grid-connected converter based on active power filtering and photovoltaic generating is proposed in this article,it expands the new energy generation function based on the parallel active power filter.The current and voltage double-loop is adapted to control DC voltage and grid output active current.The grid-connected inverter that can filter out the load harmonic wave and compensate the load reactive power,achieve an effective transmission of active power,the control method is suitable for study on the application of grid-connected converters in the future micro-grid.