Performance degradation mechanisms and modes in terrestrial photovoltaic arrays and technology for their diagnosisAccelerated life-prediction test methodologies have been developed for the validation of a 20-year service life for low-cost photovoltaic arrays. Array failure modes, relevant materials property changes, and primary degradation mechanisms are discussed as a prerequisite to identifying suitable measurement techniques and instruments. Measurements must provide sufficient confidence to permit selection among alternative designs and materials and to stimulate widespread deployment of such arrays. Furthermore, the diversity of candidate materials and designs, and the variety of potential environmental stress combinations, degradation mechanisms and failure modes require that combinations of measurement techniques be identified which are suitable for the characterization of various encapsulation system-cell structure-environment combinations.
Document ID
19790057006
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Noel, G. T. (Battelle Columbus Labs. OH, United States)
Sliemers, F. A. (Battelle Columbus Labs. OH, United States)
Derringer, G. C. (Battelle Columbus Labs. OH, United States)
Wood, V. E. (Battelle Columbus Labs. OH, United States)
Wilkes, K. E. (Battelle Columbus Labs. OH, United States)
Gaines, G. B. (Battelle Columbus Labs. OH, United States)
Carmichael, D. C. (Battelle Columbus Laboratories Columbus, Ohio, United States)