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Spectrometric outdoor characterization of CPV modules using isotype monitor cells

: Peharz, G.; Siefer, G.; Araki, K.; Bett, A.W.


IEEE Electron Devices Society:
33rd IEEE Photovolatic Specialists Conference, PVSC 2008. Proceedings. Vol.4 : San Diego, CA, May 11 - 16, 2008
Piscataway, NJ: IEEE, 2008
ISBN: 978-1-4244-1640-0
ISBN: 978-1-4244-1641-7
ISBN: 1-4244-1640-X
Photovoltaic Specialists Conference (PVSC) <33, 2008, San Diego/Calif.>
Fraunhofer ISE ()

In this paper we present a method to investigate the impact of the solar spectrum on the output parameters of a CPV module equipped with triple-junction solar cells. The changes of the sun´s spectrum were monitored by using calibrated isotype solar cells. A correlation of the CPV module outdoor performance to changes in the sun spectrum has been determined. Experimental results of the spectral impact on the current of a Daido Steel CPV module are presented. Finally, a correction method is applied in order to derive the module’s current under reference spectral conditions.