Demmouche, Fatna JihadBouhadjla, Mohamed Zine El Abidine2024-03-172024-03-172022https://theses.univ-temouchent.edu.dz/opac_css/doc_num.php?explnum_id=4876http://dspace.univ-temouchent.edu.dz/handle/123456789/3005Photovoltaic energy is the youngest of renewable energies, it has the advantage of being nonpolluting, and the production of energy by photovoltaic systems is very fluctuating and depends enormously on weather conditions. The work presented in this dissertation concerns a study by simulation of a photovoltaic system in a fault regime adapted by a "disturbance and observation" command ensuring the continuation of the maximum power MPPT the simulation results obtained using the tool Matlab Simulink.renewable energies, photovoltaic systems,MPPT,Matlab Simulink.