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FEM-simulation of water vapor ingress into glass-glass-modules with polymeric edge sealant and a new experimental set up for permeation tests for sealing material

 
: Klimm, E.; Piekarczyk, A.; Vogt, F.; Ballion, A.; Weiß, K.-A.; Köhl, M.

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Fulltext urn:nbn:de:0011-n-3791322 (293 KByte PDF)
MD5 Fingerprint: bf922974efe3011a3a0a022ed7aeaa6e
Created on: 15.3.2016


European Commission:
31st European Photovoltaic Solar Energy Conference and Exhibition, EU PVSEC 2015 : 14 to 18 September 2015, Hamburg, Germany
Hamburg, 2015
ISBN: 3-936338-39-6
pp.2470-2472
European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC) <31, 2015, Hamburg>
English
Conference Paper, Electronic Publication
Fraunhofer ISE ()
Photovoltaische Module; Systeme und Zuverlässigkeit; Photovoltaische Module und Kraftwerke; Gebrauchsdauer von Modulen und Materialien; Glas-Glas-Modul; permeation; simulation; vapor ingress; sealant

Abstract
PV module designs using glass plates as front and as back covers are often used to minimize moisture ingress. Both effects, moisture ingress and moisture leakage are found to contribute to the degradation of the PV-modules. The moisture transport for different material combinations for PV modules was numerically simulated by Finite Element Methods (FEM) and validated by permeation tests [1]. Previously simulated water vapor ingress through back sheets is compared to simulations on water vapor ingress through edge sealants. Edge sealant properties were determined in a literature survey. Finally, a new in-house developed upgrade for the permeation test method enables measurements of edge sealants based on the existing permeation equipment.

: http://publica.fraunhofer.de/documents/N-379132.html