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Proceedings Paper

A high concentration rooftop photovoltaic system
Author(s): Philip Gleckman
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Paper Abstract

The commercial rooftop environment poses difficult challenges for concentrating photovoltaic (CPV) systems. Rooftop CPV must not only meet low cost and high energy production targets common to ground mounted systems but also must solve safety, wind loading, and area usage requirements in ways that are compatible with the rooftop environment. To meet these requirements we have developed a low-profile carousel-mounted array of Fresnel concentrators using triple junction solar cells. In this paper we describe the key features of the opto-mechanical and thermal design for manufacturability and reliability. These features include the concentration level, the mechanical drive scheme, the configuration of the lens with secondary optical element, and passive cooling. Also described are elements of the optical component testing and assembly methods. We present exemplary results of environmental testing and measurements of electro-optical performance.

Paper Details

Date Published: 11 September 2007
PDF: 10 pages
Proc. SPIE 6649, High and Low Concentration for Solar Electric Applications II, 664903 (11 September 2007); doi: 10.1117/12.729226
Show Author Affiliations
Philip Gleckman, Energy Innovations, Inc. (United States)


Published in SPIE Proceedings Vol. 6649:
High and Low Concentration for Solar Electric Applications II
Martha Symko-Davies, Editor(s)

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