说明：  caj格式的独立式光伏发电系统最大功率点跟踪算法研究_张森，及光伏并网逆变器的建模与控制器设计_庞晋永，两篇论文，对光伏系统学习研究有较大帮助。
(The research on the maximum power point tracking algorithm of the independent photovoltaic power generation system based on CAJ format, and the modeling and controller design of the photovoltaic grid connected inverter, Pang Jinyong, are of great help to the study of photovoltaic system.)