Feasibility study of a Thermo-Photo-Voltaic system for CHP application in residential buildings
2012
Bianchi, Michele | Ferrari, Claudio | Melino, Francesco | Peretto, Antonio
The growing demand of energy coupled with an increasing attention to the environmental impact have forced, in the last decades, toward the study and the development of new strategies in order to reduce primary energy consumptions. The cogeneration (CHP) and the on-site generation (also known as distributed generation) could be the key strategy to achieve this goal; CHP systems allow to reduce the fuel consumption and pollutant emissions (in particular the greenhouse gases) compared to separate generation; moreover on-site-generation contributes to the reduction of the energy which is lost in electricity transmission, and increases the security in the energy supply. In this scenario the Thermo-Photo-Voltaic generation (TPV) is obtaining an increasing attention; TPV is a system to convert into electrical energy the radiation emitted from an artificial heat source (i.e. the combustion of fuel) by the use of photovoltaic cells. A domestic gas furnace based on this technology can provide the entire thermal need of an apartment and can also contributes to satisfy the electrical demand. The aim of this study is the understanding of the behavior of a TPV in CHP application in case of residential buildings, under both the energetic and economical point of view; in particular a parametrical analysis is developed and discussed varying the TPV electrical efficiency, the thermal request and the apartment typology.
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