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Soiling of irradiation sensors and methods for soiling correction

Geuder, Norbert and Quaschning, Volker (2006) Soiling of irradiation sensors and methods for soiling correction. Solar Energy, 80 (11), pp. 1402-1409. Elsevier Ltd..

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Abstract

Access to exact solar irradiation data is indispensable for planning and dimensioning of applications as e.g. solar power plants. The expectable amount of yearly solar irradiation has an over-proportional impact on the financing and therefore has to be known very precisely. For this reason, DLR performs investigations at PSA to improve the accuracy of irradiation data, which are measured at several locations in southern Spain and Morocco. Devices as Rotating Shadowband Pyranometers (RSP) as well as thermal pyranometers and a pyrheliometer are used. Besides well-documented and known technical aberrations, soiling of the sensors is an important source for underestimation of the measured irradiation, especially at offside stations where daily maintenance is not possible. In this paper, we present soiling characteristics of these sensors and a corresponding method for its correction.

Document Type:Article
Title:Soiling of irradiation sensors and methods for soiling correction
Authors:
AuthorsInstitution or Email of Authors
Geuder, NorbertUNSPECIFIED
Quaschning, VolkerFHTW Berlin, University of Applied Sciences, Marktstr 9, D-10317, Berlin, Germany
Date:15 August 2006
Journal or Publication Title:Solar Energy
Volume:80
Page Range:pp. 1402-1409
Editors:
EditorsEmail
Elsevier Ltd., UNSPECIFIED
Publisher:Elsevier Ltd.
Status:Published
Keywords:irradiation measurement, pyranometer, sensor soiling, soiling sensitivity, solar energy, correction method, cleaning
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:E SF - Solar research (old)
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Qualifizierung (old)
Location: other
Institutes and Institutions:Institute of Technical Thermodynamics > Solar Research > Solare Energietechnik
Deposited By: Norbert Geuder
Deposited On:04 Jan 2007
Last Modified:12 Dec 2013 20:22

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