光伏并网发电系统MPPT算法研究

Research on MPPT Control Algorithms for Grid-connected PV System

针对光伏并网发电系统最大功率点跟踪(MPPT)问题进行研究,在详细分析光伏电池阵列的基础上,对常用的最大功率点跟踪算法进行了分析。提出了逐次逼近型算法,并对该算法与其他常用算法进行了比较。结果表明,该算法可以快速、准确地追踪到最大功率点,具有很好的效果。

Based on analysing the characteristics of photovoltaic cell,Maximum Power Point Tracking（MPPT）control for grid-connected PV system was researched.The method of gradual approximation was analysed after several usual algorithms.The result shows that the method of gradual approximation has a quick and accurate tracking.