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  4. Post-Processing Thickness Variation of PV Module Materials and its Impact on Temperature, Mechanical Stress and Power
 
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2019
Conference Paper
Titel

Post-Processing Thickness Variation of PV Module Materials and its Impact on Temperature, Mechanical Stress and Power

Abstract
We measure the thickness of the encapsulation layers in photovoltaic modules using scanning acoustic microscopy and optical microscopic imaging. Based on the measurement data, we analyze the impact of thickness variation on the operating temperature of the module, its peak power and mechanical stresses in the solar cells during lamination and under load testing conditions. Especially in cell-free areas we find an inhomogeneous thickness attributed to a bending of the backsheet, which has a small impact on the backsheet coupling gain. Even though we find significant deviation in the thicknesses of the encapsulation layer of up to 150 mm, the impact of encapsulant thickness under the investigated conditions is small and mainly attributed to changes in operating temperature.
Author(s)
Pfreundt, A.
Yucebas, D.
Beinert, A.J.
Verissimo Mesquita, L.
Pitta Bauermann, L.
Romer, P.
Mittag, M.
Hauptwerk
36th European Photovoltaic Solar Energy Conference and Exhibition, EU PVSEC 2019
Konferenz
European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC) 2019
DOI
10.4229/EUPVSEC20192019-4CO.4.3
File(s)
N-565488.pdf (930.8 KB)
Language
English
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Fraunhofer-Institut für Solare Energiesysteme ISE
Tags
  • Photovoltaik

  • Photovoltaische Modul...

  • Modultechnologie

  • Gebrauchsdauer- und S...

  • gains

  • efficiency

  • PV-modules

  • simulation

  • thickness

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