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|Effect of Dual Surface Cooling of Solar Photovoltaic Panel on the Efficiency of the Module: Experimental Investigation
|Agyekum, E. B.
Alwan, N. T.
Velkin, V. I.
Shcheklein, S. E.
|Effect of Dual Surface Cooling of Solar Photovoltaic Panel on the Efficiency of the Module: Experimental Investigation / E. B. Agyekum, S. PraveenKumar, N. T. Alwan et al. // Heliyon. — 2021. — Vol. 7. — Iss. 9. — e07920.
|Solar photovoltaic (PV) energy is one of the most widely used renewable energy options around the world. However, its electrical efﬁciency drops with increasing PV module temperature, it is therefore necessary to ﬁnd appropriate ways to improve the performance of the module under high temperature conditions. In this study we evaluated the impact of simultaneous dual surface cooling on the PV module's output performance experimen-tally. The PV module's rear surface was cooled using cotton wick mesh which absorbs water from a perforated pipe and use capillary action to transfer the water down the surface of the rear side of the module. The perforated pipe is strategically positioned at the upper part of the panel and as a result, water from the tank through the holes in the pipe also spread on the front surface of the panel. The experiment recorded a temperature drop of 23.55 °C. This resulted in about 30.3% improvement in the output power of the panel. The cooled PV module also recorded an average efﬁciency of 14.36% against 12.83% for the uncooled panel. This represent a difference of 1.53%which is 11.9% improvement in the electrical efﬁciency of the cooled panel. In effect, the proposed approach had a signiﬁcant positive effect on the energy yield of the PV system. © 2021 Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
PHASE CHANGE MATERIALS
PHOTOVOLTAIC PANEL COOLING
|This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.
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