Investigation of solar hybrid system with concentrating Fresnel lens, photovoltaic and thermoelectric generators
September 7, 2016 Editor 0
An experimental model of a solar hybrid system including photovoltaic (PV) module, concentrating Fresnel lens, thermoelectric generator (TEG), and running water heat extracting unit was created and studied. The PV module used was of c-Si and TEG of Bi2Te3; the Fresnel lens (solar concentrator) and TEG share an optical train, whereas PV module was illuminated separately with non-concentrated light. Heat extracting unit operated in thermo siphon mode. In climatic conditions of Mexico (Queretaro, 20o of North latitude, summer time), the Fresnel lens accepted 120 W of solar radiation power, and the system generated 7.0 W of electric power and 30 W of thermal one. The discussion is made of the possible characteristics of a hypothetical hybrid system where all its elements share the same optical train. Copyright © 2016 John Wiley & Sons, Ltd.
- Experimental model of solar hybrid system is constructed and studied.
- The system includes PV module, thermoelectric generator, and heat extractor.
- Fresnel lens is used to concentrate radiation onto thermoelectric generator.
- Photovoltaic generator is illuminated by non-concentrated sunlight.
- To provide high electric and thermal efficiency, special PV module is necessary.
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