期刊
RENEWABLE ENERGY
卷 181, 期 -, 页码 490-503出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.renene.2021.09.064
关键词
Solar power plant; PV; Dust effect; Rain effect; Snow removal; Performance
This study analyzes various activities aimed at enhancing efficiency in a 600 kW grid-connected photovoltaic power plant, and achieves satisfactory results such as increased power generation through cleaning and snow removal.
This study aims to analyze many efficiency-enhancing and improvement activities such as manual and natural cleaning, a PV power plant type rainwater harvesting system, thermal monitoring, and snow load removal in a 600 kW grid-connected photovoltaic (PV) power plant. The study shows that up to 5.66% power reduction can occur for PV modules that have been dirty for close to one year. It was determined that the dust removal effect of the rain was up to 0.94%. This study showed that the potential for collecting rainwater from a small part of the PV plant is approximately 118 m(3)/year and that the harvesting system will reach 1646 m(3)/year when applied to the whole plant. A snow load of 0.117 kN per m(2) was removed. On the basis of three days, 50-75% higher energy production was achieved compared to the other power plant with snow load. Snow removal on PV arrays both prevented PV degradation and resulted in increased power generation, while panel cleaning improved energy efficiency. This study an innovative approach with rainwater harvesting from solar power plants with large surface area for the use in panel cleaning and agriculture of the obtained water, which is a novel idea in increasing the efficiency of the power plants, combating climate change and drought. (C) 2021 Elsevier Ltd. All rights reserved.
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