Experimental study of the effect of temperature and removal of dust and sand on photovoltaic modules
Subject Areas : Renewable Energy
Meraj rajaee
1
,
kourdistan challasi
2
1 - Assistant professor, Department of Electrical Engineering, Technical and Vocational University (TVU), Tehran, Iran. *(Corresponding Author)
2 - Student in, Department of Electrical Engineering, Technical and Vocational University (TVU), Tehran, Iran.
Keywords: Photovoltaic Panel, Solar Energy, dust, Cleaning System,
Abstract :
Background and Objective: The presence of dust in the sky of Iran causes dust deposition on the surface of photovoltaic panels and greatly affects the efficiency of them. The purpose of this study is to investigate the effect of dust, sand and temperature on the efficiency of photovoltaic panels.Material and Methodology: Two similar panels were placed outdoors for 1 days to investigate the impact of dust. One of the panels is equipped with a cleaning system, but the other panel is without a cleaner. In the temperature setting, the control panel was equipped with a cooling system but the experimental panel was set without a cooling system. For investigation the effect of dust and sand, four similar panels were used, the control panel was in the clean condition, but the experimental panels were covered with dust and sand.Findings: The results of this study indicate that dust deposition on the panel surface after 13 hour caused a decrease of 4% in voltage, 21% in current, 24% in power and an increase of 4% in the temperature of the contaminated panel compared to the clean panel. The panel with the higher temperature has a reduction of 3% in voltage, 25% in current and 29% in power in comparison with the lower temperature panel. In addition, the voltage and current of the sandblasted panel decreased more than the voltage and current of the panel contaminated with dust.Discussion and Conclusion: According to the results of this study, dust deposition on the panel surface and increasing the panel temperature decrease the photovoltaic panel efficiency. Dust also has more impact on the photovoltaic panel than sand.
the temperature of soiling photovoltaic glass under lighting and windy
Solar Energy
automatic solar tracking and cleaning system.
Surface Contamination and Cleaning: Applications of Cleaning Techniques.
Elsevier; p. 97–115
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the temperature of soiling photovoltaic glass under lighting and windy
Solar Energy
automatic solar tracking and cleaning system.
Surface Contamination and Cleaning: Applications of Cleaning Techniques.
Elsevier; p. 97–115