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This paper presents the results of an international intercomparison of photovoltaic (PV) performance measurements and calibrations. The intercomparison, which was organized and operated by a group of experts representing national laboratories from across the globe was accomplished by circulating 2 samples sets. One set consisted of 20 silicon reference cells that would, hopefully, form the basis of an international PV reference scale. A qualification procedure applied to the calibration results gave average calibration numbers with overall standard deviation of less than 2% for the entire set. The second set was assembled from a wide range of newer technologies that present unique problems for PV measurements. As might be expected, these results showed much larger differences among laboratories. Methods were then identified that should be used to measure such devices, along with problems to avoid.

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Authors: OSTERWALD C R ET AL, National Renewable Energy Laboratory, Golden (US);ANEVSKY S, All-Union Research Institute for Optophysical Measurements, Moscow (RU);BARUA A K, Indian Association for the Cultivation of Science, Calcutta (IN);DUBARD J, Laboratoire Central des Industries Electriques, Fontenay-aux-Roses (FR);KING D, Sandia National Laboratories, Albuquerque (US);METZDORF J ET AL, Physikalisch-Technische Bundesanstalt, Braunschweig (DE);NAGAMINE F, Japan Quality Assurance Organization, Tokyo (JP);SHIMOKAWA R, Electrotechnical Laboratory, Ibaraki (JP);UDAYAKUMAR N, Udhaya Semiconductors (P) Ltd, Coimatore (IN);WANG Y X, Tianjin Institute of Power Sources, Tianjin (CN);ZAAIMAN W, JRC Ispra (IT);ZASTROW A, Fraunhofer-Institut für Solare Energiesysteme, Freiburg (DE);ZHANG J, National Institute of Metrology, Beijing (CN)
Bibliographic Reference: Paper presented: 25th IEEE PUSEC, Washington DC (US), May 13-22, 1996
Availability: Available from (1) as Paper EN 40593 ORA
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