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Measurement and simulation of vibrations of PV-modules induced by dynamic mechanical loads

: Assmus, M.; Jack, S.; Weiss, K.-A.; Koehl, M.

Fulltext urn:nbn:de:0011-n-1893381 (538 KByte PDF)
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Created on: 20.12.2014

Progress in Photovoltaics 19 (2011), No.6, pp.688-694
ISSN: 1062-7995
Journal Article, Electronic Publication
Fraunhofer ISE ()
Thermische Anlagen und Gebäudetechnik; Silicium-Photovoltaik; Photovoltaische Module und Kraftwerke; Messtechnik und Produktionskontrolle; Modulprüfung; Modultechnologie und -analyse

The dynamic behavior of PV-modules isanalyzed by different methods. Outdoor measurements of the deflection show their dynamic behavior under wind loads and the correlation between wind velocity and mechanical deflection. Indoor tests were performed with acoustic excitation of the modules with monitoring of the deflection. The frequency range of the resonance frequencies of different modules was between 10 and 100 Hz. Numerical calculations, based on FEM-modeling, yielded a very good agreement with the experimental results.