一种新型LabVIEW光伏电池模拟器

A novel LabVIEW photovoltaic cell simulator

设计了一种新型的光伏电池模拟器用于模拟光伏电池的输出I-V特性,该光伏电池模拟器可代替光伏电池用于系统开发以及最大功率点跟踪（MPPT）算法的研究。用LabVIEW控制可编程电源,采用逐点差值比较算法,实现了一种新型的光伏电池模拟器,该光伏电池模拟器可以实时输出拟合光伏电池输出特性的I-V曲线。对比实体电池,该光伏电池模拟器的输出误差为4%,输出I-V曲线与理论I-V曲线的拟合度为98.5%,在不同负载以及温度和光照强度下的输出准确,可以测试MPPT效率。实验结果表明,该光伏电池模拟器可作为研究光伏电池工作状体和MPPT算法的可靠工具。

A novel type of photovoltaic cell simulator is designed to simulate the output I-V characteristics of photovoltaic cell, this photovoltaic cell simulator can replace the photovoltaic cell for system development and（maximum power point tracking） algorithm research. Using LabVIEW to control the programmable power supply with the point-by-point difference comparison algorithm to implement a novel photovoltaic cell simulator that can output an I-V curve fits the output characteristics of the photovoltaic cell in real time. Comparing with a solid battery, the output error of the photovoltaic cell simulator is 4%, the fitting degree between output I-V curve and theoretical I-V curve is 98.5%, and its output is accurate under different loads and temperatures and light intensity, MPPT efficiency can be tested using this photovoltaic cell simulator. The experimental results show that the photovoltaic cell simulator can be used as a reliable tool to study the photovoltaic cell work-piece and MPPT algorithm.