Abstract：Through analysis photovoltaic mathematic model and photovoltaic output power and duty-ratio function relationship, a novel two stage variable step-size maximum power point tracking control strategy is proposed. The simulation model of photovoltaic system based on state equation is built up using Matlab/Simulink. By simulation model, perturb and observation, fuzzy control, common variable step-size, two stage variable step-size are compared, and simulation results indicate two stage variable step-size has quick respond and good stability. Finally, hardware experiment is set up, and the validity of the proposed method is verified by experimental results.
胡义华, 陈昊, 徐瑞东, 胡贤新, 王小昆. 一种两阶段变步长最大功率点控制策略[J]. 电工技术学报, 2010, 25(8): 161-166.
Hu Yihua, Chen Hao, Xu Ruidong, Hu Xianxin, Wang Xiaokun. A Two Stage Variable Step-Size Maximum Power Point Tracking Control. Transactions of China Electrotechnical Society, 2010, 25(8): 161-166.
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2010, Vol. 25 
