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Validation of direct beam irradiance measurements from Rotating Shadowband Pyranometers in a different climate

Geuder, Norbert and Affolter, Roman and Göbel, Olaf and Dahleh, Basel and Al Khwaja, Mohamed and Wilbert, Stefan and Pape, Benedikt and Pulvermüller, Benedikt (2010) Validation of direct beam irradiance measurements from Rotating Shadowband Pyranometers in a different climate. (Submitted)

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Abstract

Rotating Shadowband Pyranometers (RSPs) are the preferable type of radiation sensors for measurement of direct solar beam irradiance at remote sites where daily maintenance of the instruments is not feasible or practicable. Their primordial lower accuracy due to systematic deviations of the photodiode sensor can be improved significantly with a thorough calibration of each RSP against high precision sensors and application of suitable corrections on the raw data. With corrections derived by DLR, RSP data coincide with the high precision reference measurements within 2 to 3% RMSD for instantaneous direct beam irradiance and meet the annual irradiation sum within 1.5%. This accuracy could be validated and confirmed with a parallel measurement campaign of 6 RSPs in the United Arab Emirates performed by Masdar and CSP Services. The results are presented in this paper.

Document Type:Proceedings
Title:Validation of direct beam irradiance measurements from Rotating Shadowband Pyranometers in a different climate
Authors:
AuthorsInstitution or Email of Authors
Geuder, NorbertUNSPECIFIED
Affolter, RomanUNSPECIFIED
Göbel, OlafUNSPECIFIED
Dahleh, Basel UNSPECIFIED
Al Khwaja, Mohamed UNSPECIFIED
Wilbert, Stefan UNSPECIFIED
Pape, Benedikt UNSPECIFIED
Pulvermüller, Benedikt UNSPECIFIED
Date:September 2010
Status:Submitted
Keywords:direct solar beam irradiance, Rotating Shadowband Pyranometer, accuracy, pyrheliometer, measurement
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
Deposited By: Stefan Wilbert
Deposited On:21 Jan 2011 15:29
Last Modified:21 Jan 2011 15:29

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