Abstract
The photovoltaic (PV) generator exhibits non- linear characteristics and its maximum power point varies with solar insolation and temperature, thus this work deals with the design and implementation of a real time maximum power point tracker(MPPT)for photovoltaic system aiming to improve energy conversion efficiency. A MPPT algorithm is developed using PV array voltage and current information's and the incremental conductance of the PV array, it's implemented by single chip 80C51 microcontroller to control the duty cycle of a boost converter with pulse width modulation (PWM). The practical and Simulation results shows the validity of the designed circuit to improve the tracking efficiencies to get the maximum power point. Key words: solar panel, Maximum Power point tracker (MPPT), microcontroller.
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