This work aims to design a cleaning system for the solar PV panels under\nMedina climatic conditions. This system powered by the PV module itself.\nFull cleaning system has been designed and tested utilizing a wiper and water\njet to remove the accumulated dust and other dirt from solar panels surface.\nThe proposed cleaning system can be worked for long time efficiently. All the\nstrength system components were examined and found to be stable and reliable.\nAlso, the performance of cleaning system evaluated and comparison between\nthe clean and dusty module performance has been conducted. The system\nperformance has been evaluated for both clean and dusty panel at variable\ninputs of solar radiation. At input power of 805 W/m2, the efficiency\nfound to be 13.78% for the cleaning panel and 9% for dusty panel, whereas at\nthe input power of 460 W/m2, the estimated efficiency was 12.6% and 7.3%\nfor clean and dusty panel respectively. Significant reduction in the efficiency\nhas been reported as 35% and 42% for both cases. Therefore, the present\nwork can be considering as a promising and efficient system to solve the\nproblem of poor performance of the photovoltaic cells in areas that experience\ndusty environment and external pollutants. In addition, it is safe clean\nand economic system.
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