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MPPT Photovoltaic System Based on Extremum-Seeking Control
Author(s): 
Pages: 402-404
Year: Issue:  2
Journal: Computer Measurement & Control

Keyword:  光伏发电系统最大功率点跟踪极值搜索算法;
Abstract: 针对光伏发电系统中最大功率点跟踪问题,在太阳能电池的数学模型的基础上建立了PV模块的Matlab仿真模型;考虑到了太阳能的波动性和随机性对太阳电池阵列的影响,利用一种基于极值搜索方法的实时MPPT控制原理,控制Buck DC/DC变换电路,结合S函数在Matlab/simulink环境下建立其动态仿真模型,实现了光伏电池输出的最大功率跟踪;仿真结果表明,该算法具有较好的动态特性和稳态特性,具有一定的实用价值.
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