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Proceedings Paper

Corrections for rotating shadowband pyranometers for solar resource assessment
Author(s): Norbert Geuder; Benedikt Pulvermüller; Oliver Vorbrugg
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Paper Abstract

Solar irradiation data is scarcely available in regions suitable for solar energy applications. For the design of solar power plants, accurate but affordable measurements are indispensable. Accurate sensors are little appropriate for remote stations due to soiling, high power consumption and elevated costs. Rotating shadowband devices represent a prospective alternative. This paper describes new corrections for the systematic deviations of a Rotating Shadowband Pyranometer (RSP) with an integrated temperature probe. The correctional functions were developed on data from 23 different RSPs over an entire year. An average reduction of the root mean square deviation of direct normal irradiation from above 6.5% to below 2.5% was achieved.

Paper Details

Date Published: 11 September 2008
PDF: 12 pages
Proc. SPIE 7046, Optical Modeling and Measurements for Solar Energy Systems II, 70460F (11 September 2008); doi: 10.1117/12.797472
Show Author Affiliations
Norbert Geuder, Deutsches Zentrum für Luft- und Raumfahrt e.V. (Germany)
Benedikt Pulvermüller, Solar Millennium AG (Germany)
Oliver Vorbrugg, Flagsol GmbH (Germany)

Published in SPIE Proceedings Vol. 7046:
Optical Modeling and Measurements for Solar Energy Systems II
Benjamin K. Tsai, Editor(s)

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