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Revista EIA
versão impressa ISSN 1794-1237versão On-line ISSN 2463-0950
Resumo
GONZALEZ MONTOYA, Daniel et al. Behavior analysis of photovoltaic arrays with degradation operating under partial shading condition. Rev.EIA.Esc.Ing.Antioq [online]. 2020, vol.17, n.33, pp.230-239. ISSN 1794-1237. https://doi.org/10.24050/reia.v17i33.1376.
The degradation of solar panels in a photovoltaic (PV ) system compromises the electrical generation of the system over time. Techniques for monitoring the condition of PV panels include thermography, comparisons in the power value and analysis of the power and voltage (P-V ) curves of the panels in the array, always operating at uniform solar radiation conditions; however, it has not been considered a study for PV arrays. This article describes the analysis of different levels of degradation in a PV array under partial shading conditions, based on the distortions of the P-V array curves. Employing Matlab simulations and using the single diode model (SDM), different changes in degradation levels are made in PV arrays of different dimensions with previously defined radiation profiles.
Palavras-chave : Solar power generation; photovoltaic systems; degradation indicators; modeling; Matlab simulation; partial shading.