Predicting solar photovoltaic electrical output under variable environmental conditions: Modified semi-empirical correlations for dust

The current study investigated the simultaneous impacts of dust as well as other environmental parameters on cell temperature and the electrical outputs of photovoltaic systems. Based on the experimental and analytical analysis, several linear and polynomial semi-empirical correlation forms were pro...

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Bibliographic Details
Published in:Energy for sustainable development 2022-12, Vol.71, p.389-405
Main Authors: Gholami, Aslan, Ameri, Mohammad, Zandi, Majid, Gavagsaz Ghoachani, Roghayeh, Kazem, Hussein A.
Format: Article
Language:English
Subjects:
ambient temperature
Cell temperature
Current
Dust
electric potential difference
humidity
irradiation
Photovoltaic
Power
prediction
solar collectors
sustainable development
Voltage
wind speed
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Summary:The current study investigated the simultaneous impacts of dust as well as other environmental parameters on cell temperature and the electrical outputs of photovoltaic systems. Based on the experimental and analytical analysis, several linear and polynomial semi-empirical correlation forms were proposed. It was shown that cell temperature depends directly on irradiation and ambient temperature, as well as inversely on humidity, wind speed, and the amount of accumulated dust on the surface. During the four-year outdoor experiments and further indoor measurements, the surface dust density varied from 0 to 10.1174 g.m−2, which resulted in up to a 28 % current loss. Although, it was shown that dust affects the output voltage less, and the most recorded variation was
ISSN:0973-0826
DOI:10.1016/j.esd.2022.10.012