基于S-函数光伏阵列最大功率追踪的控制策略  

A Control Method of Photovoltaic Array Maximum Power Point Tracking Based on S-Function

作　　者：邓栋[1] 易灵芝[1] 李明[1] 姚哲之[1] 颜志刚[1] 

机构地区：[1]湘潭大学信息工程学院,湖南湘潭411105

出　　处：《湖南工业大学学报》2009年第5期52-54,65,共4页Journal of Hunan University of Technology

基　　金：教育部全国工程硕士教育课题(GJW0701);湖南省教育厅科研基金资助项目(07C760)

摘　　要：研究了光伏阵列的输出特性,搭建了MATLAB环境下光伏阵列的通用仿真模型,选用BOOST电路,采用最大功率追踪控制策略,通过S-函数实现最大功率追踪和输出电压稳定。该系统不仅硬件设计和控制算法简单,且通过仿真实验结果表明,该系统能准确反映光伏阵列输出电压、电流的非线性特性,并能较好地跟踪最大功率点。Studied the output features of photovoltaic（PV） array, set up a versatile PV array simulation model under Matlab environment, selected BOOST electric circuit, used maximum power point tracking control method and achieved maximum power point tracking and output voltage stability through S-function. This system was not only easy in its hardware design and control algorithm, but also the simulation result indicated that it could accurately reflect PV array output voltage and the current nonlinear features and could better track the maximum power point.

关 键 词：光伏阵列 BOOST电路 最大功率追踪 S-函数 仿真 

分 类 号：TM615[电气工程—电力系统及自动化]