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Practical considerations for a photovoltaic system connected to the network

We present in this work the study and the realization of a photovoltaic system connected to the network. This system was simulated in the Matlab/Simulink environment and a laboratory prototype was manufactured for various tests and measures. Results of MPPT control, PWM control of a DC/AC single-phase converter, signal filtering of harmonic of the inverter as well as synchronization with the network with a phase locked loop will be presented. It will be particularly shown how the algorithm of power tracking adjusts the point of operation for an optimal exploitation of the solar panel.