Experimental study of the impact of dust on azimuth tracking solar PV in Sharjah

Mohamed A.M. Abdelsalam, Fahad Faraz Ahmad, Abdul Kadir Hamid, Chaouki Ghenai, Oussama Rejeb, Monadhel Alchadirchy, Waleed Obaid, Mamdouh El Haj Assad

    Research output: Contribution to journalArticlepeer-review

    15 Scopus citations

    Abstract

    Dust is one of the significant constraints in utilizing solar photovoltaic systems under harsh weather conditions in the desert regions due to creating a shadow that blocks solar irradiance from reaching solar cells and consequently, significantly reducing their efficiency. In this research, experimental study was performed to comprehend the nature of dust particles and their impact on the electrical power output that is generated from azimuth tracking solar PV modules under Sharjah environmental conditions in winter season. According to laboratory experiments, the power losses are linearly related to the dust accumulated density on the surface of the solar panel with a slope of 1.27% per g/m2. The conducted Outdoor studies revealed that the absolute reduction in output power increased by 8.46% after 41 continuous days with one low-intensity rainy day. The linear relationship obtained from indoor experiments was applied later to estimate the dust deposited density on the outdoor setup. The results showed that a regular cleaning process every two weeks is recommended to maintain the performance and to avoid the soiling loss. This work will help engineers in the solar PV plants to forecast the dust impact and figure out the regularity of the cleaning process in case of single axis tracking systems.

    Original languageBritish English
    Pages (from-to)3671-3681
    Number of pages11
    JournalInternational Journal of Electrical and Computer Engineering
    Volume11
    Issue number5
    DOIs
    StatePublished - Oct 2021

    Keywords

    • Dust accumulation
    • Dust characterization
    • Power loss
    • Solar energy

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