一种改进的变步长爬山法光伏电源MPPT控制方法

MPPT Control Method for Photovoltaic Power Supply Based on Improved Variable-step hill-climbing Method

介绍光伏发电系统最大功率点跟踪的原理,针对目前研究文献关于光伏最大功率点跟踪的控制策略进行分析和总结。在此基础上提出一种以爬山法为核心算法的变步长双阀值扰动法,建立光伏发电系统仿真模型,并通过仿真验证了此算法的有效性。

The principle of maximum power point tracking in photovoltaic power generation system was introduced.According to the current research literature,the control strategies of maximum power point tracking of photovoltaic is analyzed were summarized.On this basis,a variable step double-threshold perturbation method based on the hill-climbing method was proposed.The simulation model of the photovoltaic system was established.The simulation results show the effectiveness of the proposed algorithm.