Development of a device for cleaning photovoltaic battery from dust

The article presents brief information about the potential of solar energy in Uzbekistan and overview of devices that in various ways make it possible to clean the optical surface of photovoltaic battery from dust. In current natural and climatic conditions in many countries of the world the average annual concentration of particulate matters is several times higher than the norm, which in turn has a negative impact on the efficiency and productivity of solar modules of solar power stations, it is in context that there is a need to develop, create and use a device for their purification. Therefore, the author has developed, created and used a device that cleans the optical surface of a photovoltaic battery from dust. In order to increase the level of efficiency, as well as ease of operation, a mechatronic system and its schematic diagram have been developed. In order to study the efficiency of the device on September 29 2023 experimental studies of a photovoltaic battery, which was equipped with the developed device, were carried out at the laboratory site of the Tashkent State Technical University. The study revealed that that all electrical parameters of the cleaned photovoltaic battery were significantly higher than those of the uncleaned battery. For example, at 12:08, when solar radiation reached 584 W/m2, the short circuit current, output power and efficiency of the cleaned battery were 6,17 A, 151 W and 10,34% respectively, which compared with the parameters the uncleaned battery is 7,30%, 10,21% and 10,23% more. Therefore, the device can be successfully used for solar modules of solar photovoltaic station or for photovoltaic batteries that are installed on the roof of various buildings and houses of the population.

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