基于多元宇宙优化算法的光伏发电MPPT控制算法

MPPT CONTROL ALGORITHM OF PHOTOVOLTAIC POWER GENERATION BASED ON MULTI-VERSE OPTIMIZATION ALGORITHM

针对局部阴影引起的光伏阵列多峰值的输出特性,传统的单峰值MPPT算法已无法适用,为寻得全局最优解,将参数设置简单、易于理解的多元宇宙优化算法原理应用于光伏发电的多峰值MPPT模块中。通过仿真分析,证明了基于多元宇宙优化算法的MPPT控制模型能较快地实现全局最大功率点的跟踪,具有更好的收敛速度和精度。该算法能有效解决光伏电站中多峰值功率点的问题,减少寻优过程的功率损耗,从而提高光电转换率,为实际工程带来重要的经济效益。

Aiming at the multi peak output characteristics of photovoltaic array caused by local shadow,the traditional single peak algorithm has been unable to apply.In order to find the global optimal solution,a MPPT control algorithm based on multi universe optimization algorithm is proposed.The principle of multi universe optimization algorithm is easy to understand,and the parameter setting is simple,so it is convenient to apply in the multi peak MPPT module of photovoltaic power generation.Through simulation analysis,it is proved that MPPT control model based on multi universe optimization algorithm can achieve global maximum power point tracking in a short time.The algorithm can be combined with other algorithms to further improve the optimization efficiency of the algorithm,which has important guiding significance for photovoltaic MPPT multi peak optimization algorithm,and also has technical and theoretical reference value for engineering practice.