Abstract
High efficiency concentrator photovoltaic modules have been designed and manufactured. Each module consists of a lens panel with 32 Fresnel lenses 12x12 cm2 each, 32 multijunction solar cells with focons as secondary concentrators and electro insulated heatsinks made of alumina ceramics mounted on aluminum sheet. The module with a total area of 0.46 m2 measured under solar simulator with a spectrum AM 1.5D and irradiance 1000 W/m2 demonstrated an efficiency of 32.2%. Meanwhile, a single submodule with an area of 144 cm2 demonstrated an efficiency equal to 33.9%.
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