The Simultaneous Impacts of Seasonal Weather and Solar Conditions on PV Panels Electrical Characteristics

Mahsa Z. Farahmand, M. E. Nazari, S. Shamlou and Miadreza Shafie-khah
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Mahsa Z. Farahmand: Department of Electrical Engineering, K. N. Toosi University of Technology, Tehran 1969764499, Iran
M. E. Nazari: Department of Electrical Engineering, Golpayegan University of Technology, Golpayegan 87717-65651, Iran
S. Shamlou: Department of Electrical Engineering, K. N. Toosi University of Technology, Tehran 1969764499, Iran
Miadreza Shafie-khah: School of Technology and Innovations, University of Vaasa, 65200 Vaasa, Finland

Energies, 2021, vol. 14, issue 4, 1-19

Abstract: Solar energy usage is thriving day by day. These solar panels are installed to absorb solar energy and produce electrical energy. As a result, the efficiency of solar panels depends on different environmental factors, namely, air temperature, dust (aerosols and accumulated dust), and solar incidence, and photovoltaic panel angles. The effects of real conditions factors on power and efficiency of photovoltaic panels are studied in this paper through testing the panel in real environmental tests. To study the mentioned parameters precisely, two panels with different angles are used. The case study is regarding a region of Tehran, Iran, in summer and winter seasons. The results show that panel efficiency during winter is higher than summer due to air temperature decrement. It is discovered that among air pollutants, Al and Fe have the most share in polluting the air that affect the photovoltaic efficiency. Moreover, measuring the accumulated dust on the panels shows more amount in winter in comparison with summer. The important point in studying the effect of tilt angle is that inconformity between solar incidence and photovoltaic panel angles would result in solar radiation absorption and eventually panel efficiency loss and also, photovoltaic panel installation angle would affect the amount of dust deposited on its surface.

Keywords: dust effect; solar incidence angle; photovoltaic efficiency; real condition; air temperature effect (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (9)

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