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A Tool to Characterize the Electrical Influence of the Thermal and Mechanical Behaviors of Materials of Optics for CPV applications

Published online by Cambridge University Press:  27 June 2017

Arnaud Ritou ,
Olivier Raccurt ,
Philippe Voarino ,
Pierre Besson  and
Mathieu Baudrit
Arnaud Ritou*
Affiliation:
Univ. Grenoble Alpes, INES, F-73375 Le Bourget du Lac, FranceCEA, LITEN, Departement des Technologies Solaires, 73375Le Bourget Du Lac, France
Olivier Raccurt
Affiliation:
Univ. Grenoble Alpes, INES, F-73375 Le Bourget du Lac, FranceCEA, LITEN, Departement des Technologies Solaires, 73375Le Bourget Du Lac, France
Philippe Voarino
Affiliation:
Univ. Grenoble Alpes, INES, F-73375 Le Bourget du Lac, FranceCEA, LITEN, Departement des Technologies Solaires, 73375Le Bourget Du Lac, France
Pierre Besson
Affiliation:
Fraunhofer Chile Research, Av. Vicuña Mackenna4860, Santiago, Chile
Mathieu Baudrit
Affiliation:
Univ. Grenoble Alpes, INES, F-73375 Le Bourget du Lac, FranceCEA, LITEN, Departement des Technologies Solaires, 73375Le Bourget Du Lac, France
*
*(Email: arnaud.ritou@cea.fr)
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Abstract

Concentrating Photovoltaics (CPV) field aims to integrate expensive high efficiency multi-junction cells into modules with low cost concentrating optics. The choice of the optics depends on different factors: easiness of fabrication and integration process, added costs, optical efficiency and the profile of the spot uniformity reaching the cell. Indeed, previous work has shown a dependence between electrical performance and spectral and spatial uniformities of the light on the cell. To analyze it, a solar CPV test bench is developed at CEA-INES facilities. Lens and cell temperature can be applied separately, in order to evaluate independently different test conditions, while electrical or optical parameters are recorded. The present work shows how temperature and mechanical variations on first stage concentrating optic affects module performances. Several optics and materials are compared, in order to present the tool capabilities.

Keywords

photovoltaicopticalIII-V
Type
Articles
Information
MRS Advances , Volume 2 , Issue 53: Energy Storage and Conversion , 2017 , pp. 3123 - 3128
Copyright
Copyright © Materials Research Society 2017 

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References

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