Spectral coherence model for power fluctuations in a wind farm

Publication: Research - peer-reviewJournal article – Annual report year: 2012

  • Author: Vigueras-Rodriguez, A.

    Renewable Energies Institute, University of Castilla-La Mancha and Albacete Science & Technology Park, Spain

  • Author: Sørensen, Poul Ejnar

    Wind Energy Systems, Department of Wind Energy, Technical University of Denmark, Frederiksborgvej 399, 4000, Roskilde, Denmark

  • Author: Viedma, A.

    Thermal and Fluids Engineering Department, Universidad Politécnica de Cartagena, Spain

  • Author: Donovan, M. H.

    DONG Energy, Denmark

  • Author: Gomez Lazaro, E.

    Renewable Energies Institute, University of Castilla-La Mancha and Albacete Science & Technology Park, Spain

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This paper provides a model for the coherence between wind speeds located in a horizontal plane corresponding to hub height of wind turbines in a large wind farm. The model has been developed using wind speed and power measurements from the 72 Wind Turbines and two of the meteorological masts from Nysted offshore wind farm during 9 months. The coherence model developed in this paper is intended for use of power fluctuations in large offshore wind farms. In this way, analysing the current coherence models it is shown the needing of a new one, adapted to the characteristic distances and the related time scale. [All rights reserved Elsevier].
Original languageEnglish
JournalJournal of Wind Engineering & Industrial Aerodynamics
Publication date2012
Volume102
Pages14-21
ISSN0167-6105
StatePublished

Keywords

  • Wind models, Wind coherence, Power fluctuation, Offshore wind farms
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