基于Matlab的光伏电池模拟电源设计  

Design of power emulator of photovoltaic cell based on Matlab

作　　者：薛午阳 XUE Wu-yang(School of Electronic Information and Electrical Engineering,Shanghai Jiaotong University,Shanghai 200240,China)

机构地区：[1]上海交通大学电子信息与电气工程学院,上海200240

出　　处：《电源技术》2018年第3期413-415,444,共4页Chinese Journal of Power Sources

摘　　要：目前世界上对光伏系统的研究进入了快速发展的阶段,分布式光伏发电由于其灵活性等优点而成为了研究的热点之一。然而在分布式光伏系统中使用真实的光伏电池作为实验器材,会由于光照强度和现场温度难以控制导致实验时间过长和实验成本变高,能高度模拟光伏电池输出特性的模拟电源的使用可以很好地解决上述问题。一个配合牛顿迭代法、采用PI控制的、主体为Buck电路的光伏电池模拟电源被设计出来并在Matlab上仿真模拟光伏电池输出。从仿真结果看,输出模拟效果良好,但仍有可以改进之处。Nowadays the research of distributed photovoltaic generation system has entered a time of rapid development in the world.Distributed photovoltaic generation becomes a research hotspot because of its advantages like flexibility.Using real photovoltaic cell in experiment of distributed photovoltaic systemtakes more experiment time and more budgets for the problem of sunlight intensity and environment temperature.A power simulator which could simulate the output of photovoltaic well can solve the problem easily.A photovoltaic power simulator,consisting of Buck circuit with PI control and Newton's method,was designed and simulated on Matlab.According to the simulation result,the output of the photovoltaic power simulator can match the output of photovoltaic cell well but can be improved in some way.

关 键 词：光伏电池 模拟电源 直流斩波器 MATLAB仿真 

分 类 号：TM914[电气工程—电力电子与电力传动]