Investigation of the dependency of wind turbine loads on the simulation time

Carlo Tibaldi, Lars Christian Henriksen, Christian Bak

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    Abstract

    In this work the dependency of several wind turbine parameters with respect to the length of simulations used for their evaluation is investigated. The analysis is performed by computing the parameters with a different number of turbulent wind simulations, therefore simulation time, and repeating the computation with different turbulence realizations. The repetition of the computation is performed to identify the scatter of the parameters for a given number of turbulent seeds due to the different turbulence realization. The dependency on the simulation time of load variations due to changes in the collective pitch controller tuning is also investigated. Results show a significantly high dependency of the parameters and their variations on the turbulent wind realization. This dependency makes the use of turbulent wind simulation results not reliable for numerical optimization purposes.
    Original languageEnglish
    Title of host publicationproceedings of EWEA 2014
    PublisherEuropean Wind Energy Association (EWEA)
    Publication date2014
    Publication statusPublished - 2014
    EventEuropean Wind Energy Conference & Exhibition 2014 - Fira de Barcelona Gran Via, Barcelona, Spain
    Duration: 10 Mar 201413 Mar 2014
    http://www.ewea.org/annual2014/

    Conference

    ConferenceEuropean Wind Energy Conference & Exhibition 2014
    LocationFira de Barcelona Gran Via
    Country/TerritorySpain
    CityBarcelona
    Period10/03/201413/03/2014
    Internet address

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