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PRECISE MEASUREMENTS OF SOLAR BEAM IRRADIANCE THROUGH IMPROVED SENSOR CALIBRATION
Geuder, Norbert and Wilbert, Stefan and Janotte, Nicole (2009) PRECISE MEASUREMENTS OF SOLAR BEAM IRRADIANCE THROUGH IMPROVED SENSOR CALIBRATION. SolarPACES 2009, 15.-18. September 2009, Berlin, Deutschland.
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Abstract
Solar beam irradiance is measured for solar energy applications due to two reasons: to determine the available amount of the solar resource and energy yield at sites selected for an installation or to evaluate efficiency and proper operation of a concentrating solar power plant. However, the requirements on data and devices are different for both applications. In this paper, the equipment and methods used at DLR for improved solar beam irradiance measurements are presented with reachable accuracy for both applications. Different thermal irradiance sensors are compared among each other and to an absolute cavity radiometer. The sensors are calibrated with the absolute cavity radiometer to get utmost accuracy for precise field measurements. Besides, they are subsequently used for the calibration of RSP sensor heads for remote automatic weather stations, which reach a mean accuracy of 3%.
| Document Type: | Conference or Workshop Item (Paper, Poster) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Title: | PRECISE MEASUREMENTS OF SOLAR BEAM IRRADIANCE THROUGH IMPROVED SENSOR CALIBRATION | ||||||||
| Authors: |
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| Date: | 2009 | ||||||||
| Status: | Published | ||||||||
| Keywords: | solar irradiance, pyrheliometer, absolute cavity radiometer, Rotating Shadowband Pyranometer, accuracy | ||||||||
| Event Title: | SolarPACES 2009 | ||||||||
| Event Location: | Berlin, Deutschland | ||||||||
| Event Type: | international Conference | ||||||||
| Event Dates: | 15.-18. September 2009 | ||||||||
| Organizer: | SolarPACES | ||||||||
| HGF - Research field: | Energy | ||||||||
| HGF - Program: | Renewable Energies | ||||||||
| HGF - Program Themes: | E SF - Solar research | ||||||||
| DLR - Research area: | Energy | ||||||||
| DLR - Program: | E SF - Solar research | ||||||||
| DLR - Research theme (Project): | E - Qualifizierung (old) | ||||||||
| Location: | Köln-Porz | ||||||||
| Institutes and Institutions: | Institute of Technical Thermodynamics > Solar Research | ||||||||
| Deposited By: | Nicole Janotte | ||||||||
| Deposited On: | 09 Feb 2010 11:31 | ||||||||
| Last Modified: | 09 Feb 2010 11:31 |
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