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Outdoor evaluation of FLATCON® modules and systems

: Bett, A.W.; Jaus, J.; Peharz, G.; Siefer, G.; Hakenjos, A.; Heile, I.; Lerchenmüller, H.; Wüllner, J.


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

This paper reviews outdoor performance measurements conducted on FLATCON® modules and systems. It highlights the influence of spectra, humidity, temperature, and acceptance angle on the module performance. The variation in efficiency due to spectral changes on a clear day was in the range of 5 % (relative). The influence of humidity could not be quantified easily because the underlying effect of the air mass change could not be separated. For our FLATCON® modules we find an increase of operating cell temperature of 4 K per 100 W/m² increase in DNI.
FLATCON® system performance has been also analysed. AC system efficiencies above 23 % have been measured for a 5.75 kW CPV system manufactured by Concentrix Solar.