Water cooled PV panel efficiency in Osmaniye environment

Abstract

In this study, the electrical and thermal efficiency of the natural convection water-cooled photovoltaic panel (PV) is compared with the standard PV module. PV modules are made up of polycrystalline solar cells. As it is known that, an increase in PV panel temperature results in a decrease in electrical efficiency. The aim of this study is to increase PV panel electrical efficiency. PV panel characteristic values such as air/PV panel temperature, solar radiation, voltage, current, and power are recorded for both panels to the computer simultaneously. The thermal and electrical energy performance of PV panels are analyzed comparatively. The results are presented in detail. The water circulation structure is mounted under the PV module by using a glue that has good heat conductivity. The structure contains an S-shaped pipe and a plate made of copper. The plate is used for better heat absorption from the PV panel which is mounted downside of the panel with glue. The efficiency of the PV module with having a proposed cooling system and normal PV module is analyzed. For the overall efficiency, it is observed that the water-cooled PV system is better than the standard PV module by % 6.2.

Keywords

• Electrical efficiency
• Maximum power
• Photovoltaic/thermal (PV/T)
• PV panel
• PV water cooling
• Solar system
• Thermal efficiency

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