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Comparison of efficiency measurements for a HCPV module with 3J cells in 3 sites

 
: Araki, K.; Emery, K.; Siefer, G.; Bett, A.W.; Sakakibara, T.; Kemmoku, Y.; Ekins-Daukes, N.J.; Lee, H.S.; Yamaguchi, M.

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Institute of Electrical and Electronics Engineers -IEEE-; IEEE Electron Devices Society:
Thirty-First IEEE Photovoltaic Specialists Conference 2005. Conference record : Coronado Springs Resort, Lake Buena Vista, FL, January 3 - 7, 2005
Piscataway, NJ: IEEE, 2005
ISBN: 0-7803-8707-4
pp.846-849
Photovoltaic Specialists Conference (PVSC) <31, 2005, Lake Buena Vista/Fla.>
English
Conference Paper
Fraunhofer ISE ()

Abstract
A new HCPV with 3J solar cells and new concentrator optics consisting in a dome-shaped Fresnel lens and a kaleidoscope homogenizer was presented in the last SCC2003. This paper summarizes the evaluation done by three independent organizations and a manufacturer. The peak uncorrected efficiency for a 7,056 cm2 400 X (Geometrical concentration ratio) module with 36 solar cells connected in series was 26.6 % was measured in house. The peak uncorrected efficiencies of the same type of the module with 6 solar cells connected in series and 1,176 cm2 area measured by Fraunhofer ISE, NREL and Toyohashi University of Technology were 27.4 %, 24.8 % and 25.9 % respectively. The peak uncorrected efficiency for a 550X and 5,445 cm2 module with 20 solar cells connected in series was 28.9 % in house. The peak uncorrected efficiency of the 550X (Geometrical concentration ratio) module evaluated by Toyohashi University of Technology was 27.0 %. The temperature corrected efficiency under the best sunshine condition in Japan for the 550X module was 31.5 ± 1.7 %.

: http://publica.fraunhofer.de/documents/N-172134.html