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Spectral network based on component cells under the SOPHIA European project

: Nunez, R.; Anton, I.; Askins, S.; Sala, G.; Dominguez, C.; Voarino, P.; Steiner, M.; Siefer, G.; Fucci, R.; Roca, F.; Minuto, A.; Morabito, P.


Siefer, G. ; American Institute of Physics -AIP-, New York:
11th International Conference on Concentrator Photovoltaic Systems, CPV 2015 : 13–15 April 2015, Aix-les-Bains, France
Woodbury, N.Y.: AIP, 2015 (AIP Conference Proceedings 1679)
ISBN: 978-0-7354-1326-9
Art. 030006, 8 S.
International Conference on Concentrator Photovoltaic Systems (CPV) <11, 2015, Aix-les-Bains>
Fraunhofer ISE ()

In the frame of the European project SOPHIA, a spectral network based on component (also called isotypes) cells has been created. Among the members of this project, several spectral sensors based on component cells and collimating tubes, so-called spectroheliometers, were installed in the last years, allowing the collection of minute-resolution spectral data useful for CPV systems characterization across Europe. The use of spectroheliometers has been proved useful to establish the necessary spectral conditions to perform power rating of CPV modules and systems. If enough data in a given period of time is collected, ideally a year, it is possible to characterize spectrally the place where measurements are taken, in the same way that hours of annual irradiation can be estimated using a pyrheliometer.