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Resources 2014, 3(2), 454-470;

Analysis of North Sea Offshore Wind Power Variability

Department of Electrical Sustainable Energy, Delft University of Technology, Mekelweg 4, Delft 2628 CD, The Netherlands
Department of Electrical Engineering, Eindhoven University of Technology, Den Dolech 2, Eindhoven 5612 AZ, The Netherlands
Departement Elektrotechniek, Katholieke Universiteit Leuven, Kasteelpark Arenberg 10, Leuven 3001, Belgium
Author to whom correspondence should be addressed.
Received: 2 December 2013 / Revised: 6 April 2014 / Accepted: 5 May 2014 / Published: 26 May 2014
(This article belongs to the Special Issue Spatial and Temporal Variation of the Wind Resource)
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This paper evaluates, for a 2030 scenario, the impact on onshore power systems in terms of the variability of the power generated by 81 GW of offshore wind farms installed in the North Sea. Meso-scale reanalysis data are used as input for computing the hourly power production for offshore wind farms, and this total production is analyzed to identify the largest aggregated hourly power variations. Based on publicly available information, a simplified representation of the coastal power grid is built for the countries bordering the North Sea. Wind farms less than 60 km from shore are connected radially to the mainland, while the rest are connected to a hypothetical offshore HVDC (High-Voltage Direct Current) power grid, designed such that wind curtailment does not exceed 1% of production. Loads and conventional power plants by technology and associated cost curves are computed for the various national power systems, based on 2030 projections. Using the MATLAB-based MATPOWER toolbox, the hourly optimal power flow for this regional hybrid AC/DC grid is computed for high, low and medium years from the meso-scale database. The largest net load variations are evaluated per market area and related to the extra load-following reserves that may be needed from conventional generators. View Full-Text
Keywords: offshore wind; meso-scale models; hybrid AC-DC optimal power flow; wind power variability; DC offshore grid offshore wind; meso-scale models; hybrid AC-DC optimal power flow; wind power variability; DC offshore grid

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Buatois, A.; Gibescu, M.; Rawn, B.G.; van der Meijden, M.A. Analysis of North Sea Offshore Wind Power Variability. Resources 2014, 3, 454-470.

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