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PHOTOVOLTAIC AND THERMAL SYSTEMS APPLICATIONS WITH DIFFERENT TYPE FLUIDS
(2021-08) Albarki, Ismail
Decreasing the temperature of photovoltaic modules increases the power obtained from the module and the module efficiency. In this study, a new application has been tried to increase the efficiency of PV modules. Air or liquid fluids can be used as refrigerants in PV modules. The reuse of the refrigerant used in the modules in the system is important in terms of energy balance and savings. In this study, PV modules were cooled using different fluids by means of spiral pipes placed behind the module. The liquid fluid heated during the cooling of the PV modules was evaluated in the same system for heating the air used for heating in the winter season. As a result of the experiments carried out during the winter months, the surface temperature of the PV module cooled by using different liquids was measured as 20 oC, and the temperature of the uncooled module was 29 oC. While the electrical efficiency of the PV module without cooling is calculated as 11%, the electrical efficiency of the modules cooled using various fluids is calculated as 15% on average.