Degradation and performance analysis of a monocrystalline PV system without EVA encapsulating in semi-arid climate

被引：11
作者：
Hajjaj, Charaf [1 ,2 ,3 ]
Bouaichi, Abdellatif [2 ,4 ]
Zitouni, Houssain [2 ,5 ]
Merrouni, Ahmed Alami [2 ,6 ]
Ghennioui, Abdellatif [2 ]
Ikken, Badr [2 ]
Benhmida, Mohammadi [3 ]
Choukri, Messaoudi [4 ]
Regragui, Mohammed [5 ]
机构：
[1] Cadi Ayyad Univ, Higher Sch Technol Essaouira, Lab Appl Sci Environm & Sustainable Dev, BP 383, Essaouira, Morocco
[2] Inst Rech Energie Solaire & Energies Nouvelles IR, Green Energy Pk, Benguerir, Morocco
[3] Chouaib Doukkali Univ, Lab Elect Instrumentat & Energet, El Jadida, Morocco
[4] OATE Fac Sci & Tech, Errachidia, Morocco
[5] Mohammed V Univ, MANAPSE Fac Sci, Rabat, Morocco
[6] Univ Mohammed First, Mat Sci New Energies & Applicat Res Grp, Oujda 60000, Morocco
来源：
HELIYON | 2020年 / 6卷 / 06期
关键词：
Electrical engineering; Energy; Photovoltaic; Degradation; Electrical performances; Electroluminescence; IR thermal imaging; MOROCCO; MITIGATION; REGION; POWER;
D O I：
10.1016/j.heliyon.2020.e04079
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The objective of the current paper is to evaluate the performances drop of a photovoltaic system composed of a new PV module conception without EVA encapsulation. After three years of operation tinder harsh atmospheric condition at Green Energy Park research facility, in the mid-south of Morocco, the system shows an energy drop around 1.8kWhe in one of its strings. For this reason, an inspection (in-situ and at the lab level) to evaluate and detect the source of this energy drop has been done using the IV-Curve, IR thermal and Electroluminescence. Results show that the Performance Ratio (PR) of the affected string reaches 13%. Besides, two modules from this last one showed a degradation rate (Rd) greater than 4.12 %. It has been found that the main cause of this energy drop is due to the presence of breakages and crack at the modules cells. Those deceases are caused by a bad manual cleaning, as well as, for the nature of the modules, without EVA protection against the mechanical shocks.
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页数：8
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