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      Design, Analysis, and Modeling of Curved Photovoltaic Surfaces Using Composite Materials Translated title: Diseño, análisis y modelamiento de superficies fotovoltaicas curvas usando materiales compuestos

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          Abstract

          Abstract Currently, the use of photovoltaic solar energy has increased considerably due to the development of new materials and the ease to produce them, which has significantly reduced its acquisition costs. Most commercial photovoltaic modules have a flat geometry and are manufactured using metal reinforcement plates and glass sheets, which limits their use in irregular surfaces such as roofs and facades (BIPV) and the transportation sector (VIPV). The purpose of this study is to analyze the design implications of curved photovoltaic surfaces using composite materials. Considering operation and maintenance requirements, the most suitable reinforcement and encapsulation materials are selected based on references and experimental tests. It was found that the maximum radius of curvature that a polycrystalline silicon cell with the dimensions of a SunPower C60 model can achieve is 6.51 m for a failure probability lower than 5 %, which allows us to define the maximum curvature that this photovoltaic surface can reach. Additionally, an analytical model of the reinforcement was implemented using macromechanical models in Matlab™, which was validated by the finite element method employing the composite materials module in Ansys®. Therefore, this paper presents a detailed analysis of the shear stresses between the layers and of the deformations generated in the curved solar panel reinforcement. Finally, under the operating conditions assumed here, carbon fiber presents the best structural behavior in the reinforcement material, while epoxy resin exhibits a better performance in the encapsulation material. These results can facilitate the manufacturing of curved photovoltaic surfaces.

          Translated abstract

          Resumen Actualmente, el uso de la energía solar fotovoltaica ha aumentado de manera importante a partir del desarrollo de nuevos materiales y la facilidad de producción de los mismos, lo cual ha disminuido significativamente los costos de adquisición. Comercialmente, la mayoría de los módulos fotovoltaicos tienen geometrías planas y se fabrican a partir de placas de refuerzo metálico y láminas de vidrio, lo cual limita su uso en superficies irregulares como techos y fachadas (BIPV) y en el sector del transporte (VIPV). El propósito de este estudio es analizar las implicaciones de diseño de superficies fotovoltaicas con curvatura usando materiales compuestos. Partiendo de la definición de los requerimientos de operación y mantenimiento, se seleccionan los materiales de refuerzo y encapsulado más adecuados a partir de referencias y pruebas experimentales. Se obtiene que el radio de curvatura máximo alcanzado por una celda de silicio policristalina con las dimensiones de la referencia SunPower C60 es de 6,51 m para una probabilidad de falla menor al 5 %, lo que permite definir la curvatura máxima que puede alcanzar la superficie fotovoltaica. También se implementa un modelo analítico del refuerzo usando modelos de macromecánica a través de Matlab™, el cual es validado por el método de los elementos finitos usando el módulo de materiales compuestos de Ansys®. De esta manera, se presenta un análisis detallado de los esfuerzos cortantes entre las capas y de las deformaciones generadas en el refuerzo del panel solar curvo. Finalmente, para las condiciones de operación analizadas, el mejor comportamiento estructural en el material refuerzo lo presenta la fibra de carbono, mientras que, para el material de encapsulado, la resina epóxica presenta un mejor comportamiento. Estos resultados pueden facilitar la fabricación de superficies fotovoltaicas con curvatura.

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          An overview of solar photovoltaic panels’ end-of-life material recycling

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            Spectral beam splitting for efficient conversion of solar energy—A review

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              Performance enhancement of a photovoltaic panel with reflectors and cooling coupled to a solar still with air injection

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                Author and article information

                Journal
                teclo
                TecnoLógicas
                TecnoL.
                Instituto Tecnológico Metropolitano - ITM (Medellín, Antioquia, Colombia )
                0123-7799
                2256-5337
                April 2022
                : 25
                : 53
                : e207
                Affiliations
                [4] Medellín Antioquía orgnameUniversidad EAFIT Colombia rmejiag@ 123456eafit.edu.co
                [1] Medellín Antioquía orgnameUniversidad EAFIT Colombia gjespitia@ 123456eafit.edu.co
                [2] Medellín Antioquía orgnameUniversidad EAFIT Colombia ehernandep@ 123456eafit.edu.co
                [3] Medellín Antioquía orgnameUniversidad Nacional de Colombia Colombia smolinat@ 123456unal.edu.co
                Article
                S0123-77992022000100207 S0123-7799(22)02505300207
                10.22430/22565337.2171
                369f0ca7-d72d-402c-9256-58bd06e8e831

                This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

                History
                : 03 March 2022
                : 25 September 2021
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 32, Pages: 0
                Product

                SciELO Colombia

                Categories
                Scientific and technological research paper

                Fotovoltaica Integrada a Vehículos (VIPV),Vehicle-Integrated Photovoltaics (VIPV),Building-Integrated Photovoltaics (BIPV),Curved Solar Panel,Photovoltaic Surfaces,Solar Energy,Fotovoltaica Integrada en Edificios (BIPV),Panel Solar Curvo,Superficies Fotovoltaicas,Energía Solar

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