基于MPPT控制策略的光伏电池建模与仿真

太阳能作为当前最具发展潜力之一的可再生能源,将会在今后的能源结构中发挥重要的作用.光伏发电中进行能量转换的最基本单元是光伏电池,通过对光伏电池进行数学建模,并根据其仿真模型分析,能掌握光伏电池的输出特性.光伏电池利用率的高低受各种因素的影响,为了使光伏阵列在任何外界条件下,都能输出当前工况下最多的能量,本文采用最大功率点跟踪策略对其控制.本文推导了光伏电池的数学模型,且选择合适的最大功率跟踪策略对其控制,通过Matlab仿真验证其MPPT控制策略的有效性和正确性.

The Modeling and Simulation of Photovoltaic Cells Based on MPPT Control Strategy

As one of the most development potential of renewable energy, solar energy will play an important role in the future energy structure.The most basic unit to convert the energy is photovoltaic cells in photovoltaic power generation system.Through the mathematical modeling of photovoltaic cells, and according to the analysis of simulation model, the output characteristics of photovoltaic cells can be master.The utilization of photovoltaic cells is influenced by various factors,in order to make the PV array output the maximum energy sunlight under any conditions, this article uses the maximum power point tracking strategy for its control.This paper deduces the mathematical model of the photovohaic cells,and selects the appropriate maximum power tracking strategy for its control,through MATLAB simulation to prove the validity and effectiveness of the MPPT.