<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The issue of accumulation of dust and other pollutants on the surface of photovoltaic modules was thoroughly analysed over the years. One of the first surveys in this field of knowledge linked pollutant accumulation on the module surface with transmittance loss of its glass covering, which leads to lessened amount of solar radiation reaching solar cells. First stage of this accumulation process is linear transparency loss, and second stage - molecule agglomeration and settlement some grains on the already existing layer of dust. Additionally, the pace of working parameters reduction for photovoltaic installation is influenced by the type of dust itself. Molecules with smaller grains cover the surface much more densely, therefore limiting the amount of light passing though the top glass layer far more than molecules with bigger grains. The aim of the carried out study was to find the relationship between dust surface density and change in electrical parameters. Such approach makes it possible to compare electrical and physical parameters of different photovoltaic modules. Additionally, glass coverage itself was noted to have a significant impact on the overall decrease in working parameters of PV modules.</p>
</abstract>

The issue of accumulation of dust and other pollutants on the surface of photovoltaic modules was thoroughly analysed over the years. One of the first surveys in this field of knowledge linked pollutant accumulation on the module surface with transmittance loss of its glass covering, which leads to lessened amount of solar radiation reaching solar cells. First stage of this accumulation process is linear transparency loss, and second stage - molecule agglomeration and settlement some grains on the already existing layer of dust. Additionally, the pace of working parameters reduction for photovoltaic installation is influenced by the type of dust itself. Molecules with smaller grains cover the surface much more densely, therefore limiting the amount of light passing though the top glass layer far more than molecules with bigger grains. The aim of the carried out study was to find the relationship between dust surface density and change in electrical parameters. Such approach makes it possible to compare electrical and physical parameters of different photovoltaic modules. Additionally, glass coverage itself was noted to have a significant impact on the overall decrease in working parameters of PV modules.

The Issue of Shading Photovoltaic Installation Caused by Dust Accumulation on the Glass Surface

Department of Energy Conversion and Storage, Faculty of Chemistry

Ecological Chemistry and Engineering S

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The issue of accumulation of dust and other pollutants on the surface of photovoltaic modules was thoroughly analysed over the years. One of the first surveys...

The Issue of Shading Photovoltaic Installation Caused by Dust Accumulation on the Glass Surface

Published Online: Jul 23, 2021

Page range: 173 - 182

DOI: https://doi.org/10.2478/eces-2021-0013

Keywords
photovoltaic modules, surface soiling, power decrease, efficiency decrease

© 2021 Małgorzata Rudnicka et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The Issue of Shading Photovoltaic Installation Caused by Dust Accumulation on the Glass Surface

Published Online: Jul 23, 2021

Page range: 173 - 182

DOI: https://doi.org/10.2478/eces-2021-0013

Keywordsphotovoltaic modules, surface soiling, power decrease, efficiency decrease

© 2021 Małgorzata Rudnicka et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
photovoltaic modules, surface soiling, power decrease, efficiency decrease