根据光伏电池相关的理论和数学模型，利用PSIM建立一种简单并且准确的光伏阵列模型。同时，在此模型的基础上建立具有MPPT功能的直流变换器仿真模型。比较不同环境下的输出曲线的仿真结果以及实验数据。仿真结果和实验数据吻合，证明了此模型的适用性和准确性-Photovoltaic cells in accordance with the relevant theoretical and mathematical models, using PSIM to establish a simple and accurate model of the photovoltaic array. At the same time, in this model based on function with MPPT DC-DC converter simulation model. Compared under different circumstances the output curve of the simulation results and experimental data. The simulation results and experimental data proved the applicability of this model and accuracy