Tracking of the maximum power point (MPPT) plays an important role in photovoltaic(PV) power systems because they maximize the power output from a PV system for a given set of conditions, and therefore maximize they module efficiency. The nonlinearity and adaptiveness of fuzzy controller provided good performance under parameter variations such as solar irradiation. The proposed method produces good efficiency with low switching loss. The simulation results have been used to verify the effectiveness of the algorithm. As results indicated, the convergence time of maximum power point (MPP) of the proposed algorithm is better than that of the conventional Perturb and Observation (P&O) technique. The proposed technique uses the fuzzy logic control to specify the size of incremental current in the current command of MPPT. In this paper, a fuzzy logic control (FLC) is proposed to control the maximum power point tracking (MPPT) for a photovoltaic (PV) system.
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