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Quantifying effect of cooling, cleaning in PV systems operating under desert conditions

Scientists in Oman have analyzed the effect of soiling, cleaning, and water injection on the performance of PV panels in Oman. They have found the use of water for cooling may increase power yield by up to 23.9%.

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Scientists describe anti-soiling performance mechanisms in solar glass

Laboratory and outdoor soiling experiments conducted in Saudi Arabia have shown that increased particle resuspension by wind is one of the dominant factors for high anti-soiling performance in photovoltaic glass.

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Deep-learning tech for dust detection in solar panels

Researchers from China and the UK have improved the Adam optimization algorithm to achieve better results in dust detection on PV panels. The optimized algorithm reportedly performed better than most common algorithms used for dust detection.

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The effect of extreme dust conditions on PV system performance

Scientists in Romania have found that extreme dust conditions may cause losses of 45.35% and 38.14% in maximum power and short-circuit current under outdoor conditions for different kinds of solar modules. They warned that, if the effects of climate change escalate, resulting in less rainfall and more frequent sandstorm events originating from the Saharan region, extreme scenarios are very likely to occur in Europe.

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New research shows impact of dust on PV module temperature, performance

New research from Pakistan shows that dust could reduce PV panel performance through the shielding effect and the “dust-temperature” phenomenon. The scientists tested two PV systems in different parts of the country.

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Physics-based model to predict soiling losses in bifacial solar modules

Scientists in India have developed a novel way to predict soiling accumulation on bifacial modules. Their approach considers dust deposition, rebound, and resuspension phenomena.

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The impact of soiling on PV module transmittance

A European group has looked into the soiling impact on PV modules in Oman. They have collected 60 samples, based on season, month and tilt angles.

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New research helps identify optimal cleaning cycle to reduce soiling in MENA region

Researchers in Oman have investigated the effects of soiling on solar module performance and have found that between 8 and 12 cleaning cycles may be enough to ensure higher energy yields.

Dust removal for solar panels via electrostatic cleaning

A Jordanian research team has designed a cleaning technique for solar modules that uses static electricity to remove dust from panel surfaces. The system features an electrostatic ionizer that reduces attraction between dust particles and their accumulation on modules, improving their energy yield.

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Cleaning solar modules with sand and wind, on Mars

NASA scientists have partially cleaned up the solar modules of the Insight lander operating on Mars, by using grain sands collected nearby and trickling them on the panels during the windiest time of the day. This handmade technique has made it possible, according to them, to increase the PV array’s yield of about 30 watt-hours of energy per ‘sol,’ or Martian day.

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