MURAL - Maynooth University Research Archive Library



    Direct regulation of large speed excursions for variable speed wind turbines


    Leithead, W.E. and Leith, Douglas J. and Hardan, F. and Markou, H. (1999) Direct regulation of large speed excursions for variable speed wind turbines. Proceedings of European Wind Energy Conference .

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    Abstract

    In above rated wind speed the pitch control system of a pitch regulated variable speed wind turbine aims to maintain the rotor speed within a permitted range. However, this requirement can be difficult to satisfy during extreme gusts with conventional controllers, particularly for large-scale machines where the pitch actuation capability may be quite limited. This paper investigates the design of a pitch controller for 1 MW variable speed turbine which directly responds to a strong gust by pitching the rotor blades at the maximum permissible rate, thereby exploiting the maximum capability of the actuation system. The performance assessed and compared to that of a conventional pitch controller by simulation studies.

    Item Type: Article
    Keywords: Control Systems; Variable-Speed HAWTs; Large-Scale Machines;
    Academic Unit: Faculty of Science and Engineering > Research Institutes > Hamilton Institute
    Item ID: 1865
    Depositing User: Hamilton Editor
    Date Deposited: 24 Feb 2010 16:00
    Journal or Publication Title: Proceedings of European Wind Energy Conference
    Refereed: Yes
    URI:

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