不均匀光照下光伏阵列输出特性建模分析

Exploration of Ideological and Political Education in Modern Physics Experiment Course Teaching

提高光伏电池的发电效率一直是学者们研究的重点,MPPT技术保证光伏发电系统持续工作在最大功率点附近,从而提高发电效率。面对不均匀光照下P-U曲线的多峰现象,传统MPPT算法难以找到最大功率点GMPP,容易陷入局部峰值点LMPP,学者们后续提出新的MPPT算法仍存在一定缺陷,无法简单有效且准确地追踪GMPP。本文针对上述问题,通过Simulink软件搭建仿真模型来研究不均匀光照下光伏阵列的输出特性,希望对学者后续改进MPPT算法和布置光伏阵列提供帮助与启发。

Improving the power generation efficiency of photovoltaic batteries has always been the focus of scholars'research.The MPPT technology guarantees that the photovoltaic power generation system continues to work near the maximum power point,thereby improving the efficiency of power generation.Faced with the multi-peak phenomenon of the P-U curve under uneven light,it is difficult for the traditional MPPT algorithm to find the maximum power point GMPP,which is easy to fall into the local peak point LMPP.In response to the above problems,the simulation model of Simulink software is used to study the output characteristics of the photovoltaic array under uneven light.It is hoped that the study will help and inspire the MPPT algorithm and the arrangement of the photovoltaic array.