Energy performance and degradation over 20 years performance of BP c-Si PV modules

Kaplanis, S. and Kaplani, E. (2011) Energy performance and degradation over 20 years performance of BP c-Si PV modules. Simulation Modelling Practice and Theory, 19 (4). pp. 1201-1211. ISSN 1569-190X

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Abstract

The energy performance and degradation of 3 BP PV modules, type BP 1233, operating for a period of just more than 20 years are studied and compared to the nominal power output data. The 3 PV modules power the outdoor lighting of the Solar Campus and perform smoothly for all this period, without any special treatment or maintenance, although they were physically weathered on a continuous basis. Life cycle power degradation was estimated from a series of i, V experiments carried out under field conditions. The experimental analysis led to the determination of the present peak power, at STC, the series and shunt resistances, Rs and Rsh, respectively, and the fill factor, FF. Causes of degradation and especially of its extent were attributed to discolouring, junctions' damage, humidity ingress in the box, encapsulant delamination, hot spots, etc., as realized by in situ inspections.

Item Type: Article
Uncontrolled Keywords: degradation modelling,pv ageing,pv data and signals,series and shunt resistances
Faculty \ School: Faculty of Science > School of Mathematics
Related URLs:
Depositing User: Pure Connector
Date Deposited: 13 Nov 2015 10:00
Last Modified: 22 Apr 2020 00:33
URI: https://ueaeprints.uea.ac.uk/id/eprint/55147
DOI: 10.1016/j.simpat.2010.07.009

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