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PV module degradation in the field and in the lab - how does it fit together?

 
: Peike, C.; Hoffmann, S.; Dürr, I.; Köhl, M.; Weiß, K.-A.

:

Bokhoven, T.P. ; European Commission:
29th European Photovoltaic Solar Energy Conference and Exhibition, EU PVSEC 2014 : Proceedings of the international conference held in Amsterdam, The Netherlands, 22 - 26 September 2014, DVD
München: WIP, 2014
ISBN: 3-936338-34-5
S.3110-3114
European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC) <29, 2014, Amsterdam>
Englisch
Konferenzbeitrag
Fraunhofer ISE ()
photovoltaisches Modul; Systeme und Zuverlässigkeit; Photovoltaische Module und Kraftwerke; Gebrauchsdauer von Modulen und Materialien; aging; exposure; spectroscopy; output

Abstract
To design realistic and quick accelerated aging tests, the comparison between the degradation mechanisms induced by outdoor exposure and by accelerated aging tests is indispensable. Various accelerated aging tests, i.e. heat aging, UV aging, damp-heat aging and combined UV / damp-heat aging, were performed on full-size PV modules from different PV module manufacturers. The climate-dependence of the degradation was investigated on identical PV modules which have been exposed in different extreme climates for up to six years. A comprehensive degradation analysis was performed, i.e. by means of power measurements, electroluminescence imaging and Raman spectroscopy. The electrical characterization showed a high stability of all investigated modules.

: http://publica.fraunhofer.de/dokumente/N-311294.html