Abstract

Photovoltaic (PV) is an important clean and free-pollution renewable energy. The performance of a photovoltaic module is mostly affected by array configuration and solar irradiance. Due to the intermittent feature of weather, it becomes an unreliable and intermitted source. The variations of solar irradiance are optimally tracked by the proposed incremental conductance (IC) technique with proportional integral regulator is maintain the maximum power point tracking (MPPT) of a three-phase grid-connected PV array. Simulations results show the proposed IC-MPPT method has achieved as fast response performance under sudden change of solar irradiation. The proposed MATLAB/Simulink® model implemented as a PV inverter can be achieved with 95.0% peak MPPT efficiency.

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