Performance Analysis of Actively Cooled Solar PV Panel Subje cted to Concentrated Radiation
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 11
Abstract
Solar energy is converted into electrical energy by solar photovoltaic panels. These photovoltaic panels are named as solar PV panels or modules. The amount of electricity generated by these panels is directly proportional to the surface area of the panels and the intensity of incident solar radiation striking its surface etc. Solar panels thus produces electrical energy by converting solar energy which is incident on its surface, but it is observed that the amount of energy which is incident on the surface of the panels does not completely converted into electrical energy and most of the energy is lost. The important factor responsible for loss of solar energy to get converted into electrical energy is the increase in temperature of solar cells. As the temperature of the solar cell increases the band gap between the valance band and conduction band decreases which results in the reduction of open circuit voltage (Voc). Thus, to get the higher electrical output we must keep the temperature of the solar cell/ panel as low as possible to obtain higher electrical efficiency. In this report we have discussed the effect of active cooling mechanism which kept the temperature of the solar PV panel towards lower side by using normal water and salt water with 3.5% concentration as coolant, moreover we used the system of mirrors to concentrate the solar radiation on the solar PV surface which is called as V-trough concentrator system. We have tested the properties of solar panel by using different instruments and extracted the heat from the solar PV module. Salt water with 3.5% concentration is used as coolant because if the system is installed on the small islands where conventional electricity cannot be transmitted, we can use filtered sea water and can cool the PV panels. The standard sea water has 3.5% concentration of salt.
Authors and Affiliations
Mr. Aniket M. Gajbhiye, Prof. Bhojraj N. Kale
Keywords
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