ＢＯＯＳＴ部分采用扰动观察法控制对光伏电池实现最大功率追踪；为要做光伏并网的朋友解决最大功率追踪问题提供参考。(In the boost part, the disturbance observation method is used to control the maximum power tracking of photovoltaic cells, which provides a reference for the photovoltaic grid connected friends to solve the maximum power tracking problem.)