Spectral coherence model for power fluctuations in a wind farm
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AuthorVigueras Rodríguez, Antonio; Sorensen, Poul Ejnar; Viedma Robles, Antonio; Donovan, Martin Heyman; Gómez Lázaro, Emilio
Research GroupMecánica de Fluidos e Ingeniería Térmica
Knowledge AreaMecánica de Fluidos
SponsorsThe work presented in this paper has been done in the research project "Power Fluctuations from large offshore windfarms" financed by the Danish Transmission System Operator Energinet.dk as PSO 2004 project number 6506. Moreover, it was also funded under the project PII1I09-0273-2610 financed by the ‘‘Consejerıa de Educacion y Ciencia de la Junta de Comunidades de Castilla-La Mancha’’ and the European Social Fund, and project ENE2009-13106 financed by "Ministerio de Ciencia y Innovación’’ and the European Union.
Bibliographic CitationJ. of Wind Eng & Industrial Aerodynamics. Volume 102, March 2012, Pages 14-21.
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 2 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.
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