Comparison of Traceable Calibration Methods for Primary Photovoltaic Reference Cells
The global sunlight method for the calibration of reference photovoltaic cells is described and illustrated. The measurement points are plotted against pressure corrected geometric air mass. The calibration value is determined from a straight line fit to the data at air mass of 1.5. The global sunlight method is less complex than other methods because it avoids the need for relative spectral response and spectral irradiance measurements. The global sunlight method has an estimated expanded uncertainty of less than 1% and agrees to better than 0.5% with the calibration values of the World Photovoltaic Scale.
MUELLEJANS Harald;
ZAAIMAN Willem;
MERLI Francesco;
DUNLOP Ewan;
OSSENBRINK Heinz;
2006-09-15
IOP PUBLISHING LTD
JRC31729
https://publications.jrc.ec.europa.eu/repository/handle/JRC31729,
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