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Abstract

The influence of dust concentrations on the current-voltage characteristics (voltampere characteristics) of photovoltaic modules (PVM) based on crystalline silicon in laboratory conditions. It was investigated how an uncleaned panel affects the output power. The tests were carried out in the city of Tashkent on the territory of the “National Research Institute of Renewable Energy Sources”. The objects were located co-plurally as specified in GOST R 60904-1 Photoelectric devices. Part 1. Measurement of current-voltage characteristics. Measurements of a cleaned photovoltaic module with a maximum power of 330 W and not a cleaned one of 236 W were obtained. Based on the above, the need to clean the photovoltaic modules is very important. The results obtained show that for non-purified photovoltaic panels, as shown in Table 1, the loss is 25.4%. In the reviewed works, a specific indicator is studied in the interests of only the surface of photovoltaic modules and a singlecriteria problem of assessing the efficiency of using a photocell is solved, which does not allow a comprehensive assessment of different groups of indicators and the formulation of a reasonable conclusion about the choice of a specific option

First Page

56

Last Page

59

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