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Environmental Impacts on the Performance of Solar Photovoltaic Systems

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Mechanical Department, Faculty of Engineering, Mutah University, Al-Karak 61710, Jordan
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Mechanical Department, Benha Faculty of Engineering, Benha University, Benha 13512, Egypt
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Mechanical Department, Faculty of Engineering, Al-Hussein Bin Talal University, Ma’an 71111, Jordan
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Systems Engineering Department, King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia
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College of Engineering at Wadi Addawaser, Prince Sattam Bin Abdulaziz University, Wadi Addawaser 11991, Saudi Arabia
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Electrical Engineering Department, Faculty of Engineering, Minia University, Minya 61519, Egypt
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Authors to whom correspondence should be addressed.
Sustainability 2020, 12(2), 608; https://doi.org/10.3390/su12020608
Received: 23 November 2019 / Revised: 2 January 2020 / Accepted: 5 January 2020 / Published: 14 January 2020
This study scrutinizes the reliability and validity of existing analyses that focus on the impact of various environmental factors on a photovoltaic (PV) system’s performance. For the first time, four environmental factors (the accumulation of dust, water droplets, birds’ droppings, and partial shading conditions) affecting system performance are investigated, simultaneously, in one study. The results obtained from this investigation demonstrate that the accumulation of dust, shading, and bird fouling has a significant effect on PV current and voltage, and consequently, the harvested PV energy. ‘Shading’ had the strongest influence on the efficiency of the PV modules. It was found that increasing the area of shading on a PV module surface by a quarter, half, and three quarters resulted in a power reduction of 33.7%, 45.1%, and 92.6%, respectively. However, results pertaining to the impact of water droplets on the PV panel had an inverse effect, decreasing the temperature of the PV panel, which led to an increase in the potential difference and improved the power output by at least 5.6%. Moreover, dust accumulation reduced the power output by 8.80% and the efficiency by 11.86%, while birds fouling the PV module surface was found to reduce the PV system performance by about 7.4%. View Full-Text
Keywords: PV system; environment; PV performance PV system; environment; PV performance
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Mustafa, R.J.; Gomaa, M.R.; Al-Dhaifallah, M.; Rezk, H. Environmental Impacts on the Performance of Solar Photovoltaic Systems. Sustainability 2020, 12, 608.

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