Abstract

AbstractAccording to solar battery’s non-linear characteristics and disadvantages of high cost, low transfer efficiency, to improve the efficiency of photovoltaic grid-connected generation system, a novel modified fuzzy control method of MPPT is introduced. After analyzing the mechanism and disadvantages of traditional control methods of Maximum Power Point Tracking (MPPT), fuzzy control algorithm is studied and applied to photovoltaic grid-connected generation system. Simulation results show that this method can rapidly track MPP changes and operate in maximum power point steadily with smaller disturbance. The expected goal is achieved.KeywordsFuzzy ControlPhotovoltaicMPPTSimulink

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