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Statistical overview of findings by IR-inspections of PV-plants
Author(s): Claudia Buerhop; Tobias Pickel; Hans Scheuerpflug; Christian Camus; Jens Hauch; Christoph J. Brabec
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Paper Abstract

First statistical evaluation of IR-inspections of PV-plants reveals that 86% of the installed PV-plants show IR-abnormalities. More than 120 PV-plants with more than 160,000 PV-modules were inspected and evaluated statistically. Main IR-abnormalities or failures in modules and string installations are analyzed, respectively. The average failure rate for PV-modules is about 8% and for module strings approximately 4%. The differentiation between the installation locations reveals that small residential installation show relatively more defective modules than large field installations. – Therefore, IR-imaging is a valuable method to give fast and reliable information about the actual quality and failure rate in inspected PV-installations.

Paper Details

Date Published: 26 September 2016
PDF: 9 pages
Proc. SPIE 9938, Reliability of Photovoltaic Cells, Modules, Components, and Systems IX, 99380L (26 September 2016); doi: 10.1117/12.2237821
Show Author Affiliations
Claudia Buerhop, Bayerisches Zentrum für Angewandte Energieforschung e.V. (Germany)
Tobias Pickel, Bayerisches Zentrum für Angewandte Energieforschung e.V. (Germany)
Hans Scheuerpflug, Bayerisches Zentrum für Angewandte Energieforschung e.V. (Germany)
Christian Camus, Bayerisches Zentrum für Angewandte Energieforschung e.V. (Germany)
Jens Hauch, Bayerisches Zentrum für Angewandte Energieforschung e.V. (Germany)
Christoph J. Brabec, Bayerisches Zentrum für Angewandte Energieforschung e.V. (Germany)
i-MEET, FAU Erlangen-Nürnberg (Germany)


Published in SPIE Proceedings Vol. 9938:
Reliability of Photovoltaic Cells, Modules, Components, and Systems IX
Neelkanth G. Dhere; John H. Wohlgemuth; Keiichiro Sakurai, Editor(s)

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