Abstract
The global objective of the HELIOSAT project is to develop an operational system for estimating the global hourly radiation from the geostationnary satellite METEOSAT, using a low-cost SDUS receiving station.
The estimation method is based on the determination of a cloud cover index from satellite. Linear regression of this index with ground pyranometer measurements provides coefficients which are used for prediction.
Results are presented for a test period 5 to 21 May 1979, using the ground data provided by Météorologie Nationale for 27 stations over France. Linear regression coefficients are determined using the period 5 to 12 May.
Comparison between predicted and measured hourly global radiation is provided for period 12 to 21 May, and three hour intervals (8–9h GMT, 10–11h GMT, and 12–13h GMT). The RMS difference is computed at pixel level (5 × 7 km), it is on the average of 42 J/cm2 (0.12 kWh/m2) ranging from 14 J/cm2 (0.04 kWh/m2) to 73 J/cm2 (0.20 kWh/m2) depending on the station.
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References
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© 1983 ECSC, EEC, EAEC, Brussels and Luxembourg
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Cano, D., Monget, J.M. (1983). Heliosat Project : Estimation of Global Radiation from Satellite Using a Statistical Approach. In: Palz, W. (eds) Solar Radiation Data. Solar Energy R&D in the European Community Series F, vol 2. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-7112-7_36
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DOI: https://doi.org/10.1007/978-94-009-7112-7_36
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-009-7114-1
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