In this paper, a maximum power point tracker (MPPT) based on perturb and observe algorithm for photovoltaic (PV) energy system is introduced. MPPT is a dc to dc converter that regulates the output power to ensure an optimum value of the PV module voltage to extract the maximum power from PV module. The main objective of this paper is to study the effect of operating the PV system at maximum power point under Egyptian conditions. The overall system is modeled by using MATLAB/Simulink program. The output power and energy from PV system in case of using MPPT based on perturb and observe algorithm are compared to those obtained by the system without MPPT. Results show that, the PV system with MPPT increases the efficiency of energy production harvested from PV.
Ali Eltamaly, King Saud University, Saudi Arabia
Hegazy Rezk, Minia University, Egypt
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