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Degradation of photovoltaic cell performance due to dust deposition on to its surface

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  • El-Shobokshy, Mohammad S.
  • Hussein, Fahmy M.

Abstract

The effects of dust accumulation on the surface of photovoltaic cells were experimentally investigated. The dust used in this study was prepared in the laboratory from known materials, then examined under an optical microscope to determine the size distribution of the particles. The two main parameters of the size distribution were determined, namely, the mean diameter and the standard deviation. A solar simulator consisting of halogen lamps was used to carry out controlled experiments. The dust particles were dispersed uniformly over the test photovoltaic panel and the IV characteristics were determined. The dust deposition density in g/m2 of panel surface area was determined in each test run. The effect of dust deposition density on the short circuit current, output power and the fill factor was determined and discussed. It was concluded that dust accumulation considerably deteriorates the performance of the photovoltaic cells. However, in carrying out the investigation on the effect of dust and particulate pollution, the physical characteristics of dust must be determined and correlated to the observed effects.

Suggested Citation

  • El-Shobokshy, Mohammad S. & Hussein, Fahmy M., 1993. "Degradation of photovoltaic cell performance due to dust deposition on to its surface," Renewable Energy, Elsevier, vol. 3(6), pages 585-590.
    • Handle: RePEc:eee:renene:v:3:y:1993:i:6:p:585-590
    DOI: 10.1016/0960-1481(93)90064-N
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