Gesell, Gerhard

Heilscher, Gerd

Jung, Sandra

Killius, Niels

Klüser, Lars

Kosmale, Miriam

Ruf, Holger

Schroedter-Homscheidt, Marion

Institute of Transport Research:Publications

Deutsches Fernerkundungsdatenzentrum Application of CAMS Radiation service products: Satellite-derived irradiance data for applications  in low voltage grids with large PV shares  Marion Schroedter-Homscheidt, Gerhard Gesell, Lars Klüser, Miriam Kosmale, Sandra Jung, Niels Killius Deutsches Zentrum für Luft- und Raumfahrt (DLR) Earth Observation Center (EOC)   Holger Ruf, Gerd Heilscher Hochschule Ulm  Contributions from L. Wald, M. Lefèvre (Armines),  E. Wey, L. Saboret (Transvalor)    Deutsches Fernerkundungsdatenzentrum Introduction  • Satellite-based solar resource information – New Copernicus service • What‘s that? What is new?   • What else do we with the intermediate Copernicus service results? • Cloud/snow statistics • Dust aerosol statistics  • Nowcasting clouds for large solar power plants -> low voltage grids?  • Feed-in power and transformer load flow in a low voltage grid  Deutsches Fernerkundungsdatenzentrum Copernicus Atmosphere Monitoring Service (CAMS) Air quality Global Pollution Aerosol UV http://atmosphere.copernicus.eu Deutsches Fernerkundungsdatenzentrum Physical, fast retrieval method Heliosat-4 Scattering through  clouds and aerosols diffuse irradiance direct and diffuse irradiance Global irradiance Absorption from clouds,  aerosols, and water vapour diffuse irradiance Direct normal irradiance Deutsches Fernerkundungsdatenzentrum McClear clear sky irradiance (GHI, DIF, DIR, DNI)  time series in 1 min steps and in global coverage • 2004-2015 1-2 days delay online • 7 years operations secured,  > 20 years planned  • Just register and  download from http://www.soda-pro.com/ web-services/radiation/ cams-mcclear • Interactive and OGC script access possible  Deutsches Fernerkundungsdatenzentrum CAMS Radiation Service:  Heliosat-4 irradiance  (GHI, DIF, DIR, DNI) time series in 15 min steps in Europe/Africa/Middle East • 2004-2015 1-2 days delay online • 7 years operations secured,  > 20 years planned  • Just register and  download from http://www.soda-pro.com/ web-services/radiation/ cams-radiation-service  • Interactive and OGC script access possible Deutsches Fernerkundungsdatenzentrum  Registration needed to justify existence of service  Free for any use – commercial as well as R&D  Data policy  Here you can find Data Policy and User‘s Guide Deutsches Fernerkundungsdatenzentrum Olympic goals in solar resources:  Aim to be more accurate, better resolved, more parameters…   But is that all?  Today’s situation: ‘I’m asking 5 data providers and will get 6 different answers  … and now there is also MACC/Copernicus’ Sure, better, more accurate, more parameters is needed…  But also:  transparency – which input data is used?  Publish instead of company confidential status  Detailed validation – publish instead of treated as company confidential  Continuous validation and quality control with experienced staff – no project like approach with new PostDoc students every few years Faster, higher, wider,…. Is that all?  Or: Why a new Copernicus service? Deutsches Fernerkundungsdatenzentrum What can we do with Copernicus intermediate data?  Deutsches Fernerkundungsdatenzentrum Cloud and snow statistics Carpentras, France  green = clear  blue = overcast/broken clouds yellow = cirrus, thin ice red = scattered clouds  Deutsches Fernerkundungsdatenzentrum Cloud and snow statistics green = clear  blue = overcast/broken clouds yellow = cirrus, thin ice red = scattered clouds  La Réunion  Carpentras, France  Deutsches Fernerkundungsdatenzentrum Nowcasting for solar power plants © EUMETSAT/DLR sequence of cloud masks  thin ice clouds water/mixed phase clouds cloud mask  forecast irradiance forecast (Heliosat-4) © EUMETSAT/DLR © EUMETSAT/DLR production forecast market operations © Eumetsat/DLR Deutsches Fernerkundungsdatenzentrum Feed-in power and transformer load – Ulm example Grid simulation Solar irradiance at the surface  monitoring forecast Optimized solar energy integration into the existing grid – grid status (historical data)  and nowcasting (expected to be used) NWP -17 -6 -45 -3/1 -11 -8 -5 -5 -69 -25 -26 -18 -24 -1  -2 -4 -58 -3 -67 Deutsches Fernerkundungsdatenzentrum Pyranometers   more accurate at the point  few locations only  maintenance needed Satellite  spatially averaged  15 or 5 minutes  Long history available Satellite or ground observations ? Deutsches Fernerkundungsdatenzentrum Test site Ulm Einsingen • 12 PV-Systems with smart meters (red marked) • 15 minute resolution • 6.7.2013 – 13.12.2014 • Comparison of individual systems and sum Deutsches Fernerkundungsdatenzentrum Feed-in power – Comparison vs smart meters Pyranometer (HSU) MACC-RAD Deutsches Fernerkundungsdatenzentrum From feed-in power to load flow  at the transformer Deutsches Fernerkundungsdatenzentrum Load flow at transformer Only values with sun elevation angles >0° are considered Annual results for 2012 Deutsches Fernerkundungsdatenzentrum − The new CAMS Radiation Service has been presented − Usage of cloud properties from space for extended site characteristics − Cloud properties used in nowcasting for large scale solar power plants − CAMS irradiances are used for feed-in power calculation and  transformer loads in low voltage grids Wrap-Up Thanks to …  … Stadtwerke Ulm for providing smart meter and transformer data  This work has recently received funding from the European Union’s Seventh Programme for research, technological development and demonstration under grant agreement No 608623 and  608930 and  within the Copernicus programme. 

Application of CAMS Radiation service products: Satellite-derived irradiance data for applications in low voltage grids with large PV shares

Application of CAMS Radiation service products: Satellite-derived irradiance data for applications in low voltage grids with large PV shares

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Institute of Transport Research:Publications