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Proceedings Paper

A solar simulator design for concentrating photovoltaics
Author(s): H. Rehn; U. Hartwig
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Paper Abstract

In our contribution, we discuss an optical system which is able to provide sun-like radiation on a CPV module. This system is able to realize collimated light with more than 130 klx, with an angle of incidence of less than 0.26°. Special attention is given to a uniform light distribution on an illuminated area of 8 × 8 inches. The resulting optical efficiency of the system is 33%, much better than previously achieved with Xe flash lamp designs [1]. The design is based on a P-VIP 330/1.0 lamp, the latest in a series of OSRAM's P-VIP lamp types for video projectionwhich is featuring a peak luminance of approximately 9 Gcd/m2. As a result of the enormous operating pressure of the lamp, its spectrum is similar to the spectrum of the sun and will probably enable at least a class B simulator. The device based on the described design delivers continuous, sun-like radiation. This way, features of CPV modules as efficiency, angular sensitivity or tracking behavior can be tested during development or even in production.

Paper Details

Date Published: 18 August 2010
PDF: 7 pages
Proc. SPIE 7785, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration VII, 77850F (18 August 2010); doi: 10.1117/12.859447
Show Author Affiliations
H. Rehn, OSRAM GmbH (Germany)
U. Hartwig, OSRAM GmbH (Germany)

Published in SPIE Proceedings Vol. 7785:
Nonimaging Optics: Efficient Design for Illumination and Solar Concentration VII
Roland Winston; Jeffrey M. Gordon, Editor(s)

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