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Shading Ratio Impact on Photovoltaic Modules and Correlation with Shading Patterns

Abstract : This paper presents the study of a simplified approach to model and analyze the performance of partially shaded photovoltaic modules using the shading ratio. This approach integrates the characteristics of shaded area and shadow opacity into the photovoltaic cell model. The studied methodology is intended to improve the description of shaded photovoltaic systems by specifying an experimental procedure to quantify the shadow impact. Furthermore, with the help of image processing, the analysis of the shading ratio provides a set of rules useful for predicting the current–voltage behavior and the maximum power points of shaded photovoltaic modules. This correlation of the shading ratio and shading patterns can contribute to the supervision of actual photovoltaic installations. The experimental results validate the proposed approach in monocrystalline and polycrystalline technologies of solar panels.
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Contributor : Corinne Alonso <>
Submitted on : Monday, December 31, 2018 - 11:52:51 AM
Last modification on : Thursday, June 10, 2021 - 3:07:11 AM
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Alonso Gutiérrez Galeano, Michaël Bressan, Fernando Jiménez Vargas, Corinne Alonso. Shading Ratio Impact on Photovoltaic Modules and Correlation with Shading Patterns. Energies, MDPI, 2018, 11 (4), pp.852. ⟨10.3390/en11040852⟩. ⟨hal-01963463⟩



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