Journal
SOLAR ENERGY MATERIALS AND SOLAR CELLS
Volume 91, Issue 20, Pages 1966-1971Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solmat.2007.08.005
Keywords
PV/thermal hybrid system; bifacial PV module; transparent heat collector
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Electric energy production with photovoltaic (PV)/thermal solar hybrid systems can be enhanced with the employment of a bifacial PV module. Experimental model of a PV/thermal hybrid system with such a module was constructed and studied. To make use of both active surfaces of the bifacial PV module, we designed and made an original water-heating planar collector and a set of reflecting planes. The heat collector was transparent in the visible and near-infrared spectral regions, which makes it compatible with the PV module made of crystalline Si. The estimated overall solar energy utilization efficiency for the system related to the direct radiation flux is of the order of 60%, with an electric efficiency of 16.4%. (c) 2007 Elsevier B.V. All rights reserved.
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