采用桥式电路实现能量回馈电网，采用PWM控制，效果较好。(The bridge circuit is used to realize the energy feedback grid, and the PWM control is applied to achieve better results.)

该仿真模型基于重复控制算法，对滤波器的并网控制进行了详细的仿真，方便熟悉该算法的工作原理及逆变器的工作原理。 (The simulation model is based on the repetitive control algorithm, and the grid-connected control of the inverter is simulated in detail, which is convenient to familiarize with the working pri