Solar concentrators; Solar energy; Space optics; Nonimaging optics; Lenses; Diffraction Gratings
Abstract :
[en] This paper presents a new design of a planar solar concentrator for space applications focusing on two spatially separated PV cells, allowing independent control of output power of each cell. It has the advantages of both spectral splitting and solar concentration by the combination of a blaze transmission diffraction grating and a flat cylindrical Fresnel lens. An optical optimization has been realized and two variations of configuration have been developed to improve tracking tolerance: first, a design completed by secondary reflective concentrators and second, a symmetrical configuration composed of two lenses. First numerical results are presented, highlighting the possibility to design a concentrator at about 10×, with an electrical output power about 290W/m² lens and less than 10% losses for tracking errors lower than ±0.9°.
Research Center/Unit :
CSL - Centre Spatial de Liège - ULiège
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Michel, Céline ; Université de Liège - ULiège > Département de physique > Optique - Hololab
Loicq, Jerôme ; Université de Liège - ULiège > CSL (Centre Spatial de Liège)
Languy, Fabian ; Université de Liège - ULiège > Département de physique > Optique - Hololab
Mazzoli, Alexandra ; Université de Liège - ULiège > CSL (Centre Spatial de Liège)
Habraken, Serge ; Université de Liège - ULiège > Département de physique > Optique - Hololab
Language :
English
Title :
Study of a solar concentrator for space based on a diffractive/refractive optical combination
Publication date :
2013
Event name :
9th International Conference on Concentrator Photovoltaic Systems
Event place :
Miyazaki, Japan
Event date :
15-17 April 2013
Audience :
International
Journal title :
AIP Conference Proceedings
ISSN :
0094-243X
eISSN :
1551-7616
Publisher :
American Institute of Physics, New York, United States - New York
Issue :
1556
Pages :
97-100
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
FRIA - Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture
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Bibliography
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