Abstract
The feasibility of increasing the concentration ratio and expanding the misorientation curve using secondary lens elements is considered for solar modules with triple-junction InGaP/GaAs/Ge photovoltaic converters and radiation-concentrating Fresnel lenses. Composite glass-silicone Fresnel lenses measuring 40 × 40 and 60 × 60 mm (plan view) with focal lengths of 70 and 110 mm, respectively, are used as primary concentrators. The focal length of secondary plane-convex glass lenses is varied from 5 to 25 mm. With the shortest-focal-length secondary lenses used, measurements of the parameters of the photovoltaic converter in a system with radiation concentrators that were made with a pulsed solar tester show the increase in the concentration ratio and the expansion of the misorientation curve by a factor of 2.5–3.0. The parameters of test modules with lens panels measured under solar illumination are found to be in good agreement with laboratory data.
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Original Russian Text © N.Yu. Davidyuk, E.A. Ionova, D.A. Malevskii, V.D. Rumyantsev, N.A. Sadchikov, 2010, published in Zhurnal Tekhnicheskoĭ Fiziki, 2010, Vol. 80, No. 7, pp. 90–95.
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Davidyuk, N.Y., Ionova, E.A., Malevskii, D.A. et al. Effect of secondary lens concentrators on the output parameters of solar modules with cascade photovoltaic converters. Tech. Phys. 55, 1003–1008 (2010). https://doi.org/10.1134/S1063784210070145
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DOI: https://doi.org/10.1134/S1063784210070145