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PV module degradation mechanisms under different environmental stress factors

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conference contribution
posted on 07.11.2013, 09:54 by Dan Wu, Jiang Zhu, Tom BettsTom Betts, Ralph Gottschalg
Understanding the degradation behaviours of photovoltaic (PV) devices is critical for optimising its financial viability. The degradation of PV modules is dependent on multiple factors such as installation site, mounting conditions, manufacturing process and module types. This means that in order to understand the long term behaviour of PV modules, one needs to assess the stresses acting on the modules (first two factors) and the module’s response to these. In this paper, the possible degradation mechanisms within a PV module according to different stress factors are discussed and linked to typical module constructions. The relationships between degradation mechanisms and electrical performance are analysed as a first step to predict long term power degradation.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Research Unit

  • Centre for Renewable Energy Systems Technology (CREST)

Citation

WU, D. ... et al., 2012. PV module degradation mechanisms under different environmental stress factors. IN: Hutchins, M., Pearsall, N. and Cole, A. (eds.) Proceedings of the 8th Photovoltaic Science Application and Technology Conference (PVSAT-8), Northumbria University, Newcastle upon Tyne, 2-4 April 2012, pp. 177 - 180.

Publisher

The Solar Energy Society

Version

VoR (Version of Record)

Publication date

2012

Notes

This is a conference paper. The Photovoltaic Science Application and Technology (PVSAT) website is at: http://www.pvsat.org.uk/

Language

en

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