A lightweight triangular building integrated photovoltaic module

Y.B. Assoa and D. Levrard

Applied Energy, 2020, vol. 279, issue C, No S0306261920312964

Abstract: This work presents the design and the performance evaluation of a novel building integrated photovoltaic module suitable for building with complex envelopes shape, especially geodesic domes. Experimental and numerical studies were realized in order to validate the system installation procedure and integration configurations. An experimental analysis of the thermal behavior and the electrical production of a south–oriented triangular photovoltaic module stuck on a polymer textile was performed in cold season considering four slopes between 0° and 90° in order to represent the dome facets main tilts. The results permitted to evaluate the consistency of the assembly process defined. Moreover, the system electrical efficiency was between 6.5% and 8.5% with an array yield up to 8.8 Wh/Wp. With a PV module heating lower than 50 °C, all slopes considered gave satisfactory thermal and electrical results. Finally, a thermal and electrical numerical model of the system developed and validated experimentally permitted to confirm tests observations. A calculated monthly mean module temperature lower than 22 °C, a monthly array energy yield up to 54.8 Wh/Wp and an annual cumulative energy production up to 5.9 kWh highlighted that slopes between 30° and 60° represents good compromise. As further studies, different weather conditions, orientations and aspects will be considered using the numerical model for the system configuration optimization.

Keywords: Building integrated photovoltaic; Thin film triangle; Geodesic dome; Experimentation; Modelling (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (1)

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DOI: 10.1016/j.apenergy.2020.115816

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