Experimental evaluation of the performance and degradation of single crystalline silicon photovoltaic modules in the Saharan environment

Ahmed Bouraiou, Messaoud Hamouda, Abdelkader Chaker, Salah Lachtar, Ammar Neçaibia, Nadir Boutasseta and Mohammed Mostefaoui

Energy, 2017, vol. 132, issue C, 22-30

Abstract: This paper gives an experimental investigation of the effect of climatic conditions on the performance and degradation of crystalline silicon photovoltaic modules under Saharan environment in Adrar region in the south of Algeria. The first part of this study is focused on the analysis and assessment of UDTS 50 PV modules degradation after a long term outdoor exposure to these conditions (more than 12 years). The visual inspection of 62 PV modules has allowed to observe and determine the degradation modes such as, EVA discoloration, delamination, busbar corrosion, cracking of solar cell, glass breakage, AR coating and solder bond. The degradation evaluation of three modules with different defects was also performed, using (I-V/P-V) characteristics and the degradation rates of the parameters (Pmax, Imp, Vmp, Isc, Voc, FF) at Standard test conditions (STC) in order to compare with the nominal data delivered by the manufacturer of photovoltaic panels. Finally, the combination of the partial shading effect and the presence of EVA browning defect was examined to assess the changes in I-V and P-V curves caused by the drop in electrical parameters.

Keywords: Degradation analysis; Photovoltaic module; Long term exposure; Degradation modes; Performance parameters (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (15)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:132:y:2017:i:c:p:22-30

DOI: 10.1016/j.energy.2017.05.056

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