光伏电池最大功率点跟踪方法的发展研究

Review on the MPPT method of PV battery

在光伏发电系统中,光伏电池输出特性受光照强度及环境温度影响很大,具有明显的非线性特征。因此,为了提高光伏电池的利用效率,需要对光伏电池的最大功率点进行快速准确地跟踪控制。简要介绍了14种常用的最大功率跟踪方法的原理,说明了各种方法的优、缺点,指出了选择某一方法时需要考虑的因素,并展望了最大功率点跟踪方法的发展方向。

The output characteristics of PV battery is primarily affected by the lighting intensity and air temperature, displaying nonlinear features. In order to improve the efficiency of PV battery, it is necessary to perform MPPT fast and accurately. Review of 14 common MPPT methods is presented, discussing the strengths and weakness of individual method. The developing prospect of the MPPT method is discussed finally.