Analysis of the impact of faults in a photovoltaic generator

Abstract

Throughout this article, we have identified an electrical model based on Bishop's one that mathematically even represents the actual behavior of a PV cell heavily involved in the production of a PV generator (PVG). It turns out that the performance of PVG is intrinsically linked to operating, manufacturing or environmental conditions. The nonlinear model that we have retained due to the atypical behavior of the semiconductors used in the manufacture of the panels, reveals to us faults requiring an efficient diagnosis. We present some results of simulations under Matlab, which characterize the impact and influence of certain PVG faults on the performance of the studied system. The good operating prospects resulting from the simulation results are very encouraging for further work in the field of fault diagnosis and prognosis.