From Event: SPIE Optics + Photonics for Sustainable Energy, 2016
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.
Claudia Buerhop, Tobias Pickel, Hans Scheuerpflug, Christian Camus, Jens Hauch, and Christoph J. Brabec, "Statistical overview of findings by IR-inspections of PV-plants," Proc. SPIE 9938, Reliability of Photovoltaic Cells, Modules, Components, and Systems IX, 99380L (Presented at SPIE Optics + Photonics for Sustainable Energy: August 29, 2016; Published: 26 September 2016); https://doi.org/10.1117/12.2237821.
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