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Conference papers

Capacitance evolution of photovoltaic solar modules under the influence of electrical stress

Abstract : The main purpose of this work was to study the effect of electric currents reverse stress on the capacitance and in general the performance of photovoltaic modules. Different levels of reverse stress current are injected into the solar cell structure and the C-V characteristic are measured in the dark and illuminated conditions, at room temperature for several common periods of time. A digital double exponential model was used to analyze the experimental measurements. The dramatic changes in capacitance characteristics are caused from the effect of a reverse current introduced for different stress levels, simulated the effect of accumulated extreme reverse currents that can occur in the solar cells and modules for different reasons. The paper contributes to research on the adverse effects of reverse currents on the capacitance and normal functioning of cells and solar modules.
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Submitted on : Thursday, October 15, 2015 - 2:29:18 PM
Last modification on : Tuesday, October 19, 2021 - 11:00:16 AM

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Jean Zaraket, Jihad Sidawi, Michel Aillerie, Chafic Salame. Capacitance evolution of photovoltaic solar modules under the influence of electrical stress. TMREES15 International Conference Technologies and Materials for Renewable Energy, Environment and Sustainability, Apr 2015, Beyrouth, Lebanon. ⟨10.1016/j.egypro.2015.07.795⟩. ⟨hal-01215825⟩



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