Abstract
The characteristics of concentrator photovoltaic modules based on a 120 × 120 mm Fresnel lens with secondary concentrators in the form of hollow aluminum focons with internal mirror walls are studied. The optimal sizes and configurations of secondary concentrators are determined to increase the efficiency of focusing systems of concentrator modules. The maximum value of the allowable misorientation angle was obtained, equal to ±0.75°, corresponding to a power drop to a level of 90% relative to the maximum power value of the concentrator photovoltaic module at normal beam incidence. For a module with the most efficient focon 40 mm high and side face slope angles of 17°, the maximum efficiency of the module under laboratory conditions was obtained, equal to 35.15%. Under natural conditions, the efficiency value reached 33.8%. The results obtained correspond to the level achieved for the best foreign analogues.
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This study was supported by a grant from the Russian Science Foundation, in accordance with the agreement no. 22-19-00158 dated 13.05.2022.
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Sadchikov, N.A., Potapovich, N.S., Malevsky, D.A. et al. Investigation of Concentrator Photovoltaic Modules with Reflective Secondary Optical Elements. Tech. Phys. 68, 771–777 (2023). https://doi.org/10.1134/S1063784223080339
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DOI: https://doi.org/10.1134/S1063784223080339