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ECN publication
Reliability and energy output of bifacial modules
Published by: Publication date:
ECN Solar Energy 16-6-2013
ECN report number: Document type:
ECN-M--13-014 Conference Paper
Number of pages: Full text:
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Although flash tests under standard test conditions yields lower power due to transmittance of the back sheet, bifacial modules are expected to outperform their monofacial equivalents in terms of yearly energy output in the field. We compare flash tests for bifacial modules with and without a light scattering panel directly behind the modules: 3 % more power output is obtained. We also report on the damp-heat reliability of modules with transparent back sheet. Finally we will present the results of an outdoor study comparing modules with transparent back sheet and modules with state-of-the-art AR coating on the front glass.

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