Simulation of a site-specific doubly-fed induction generator (DFIG) for wind turbine applications

Wenping Cao, Xiaoyan Huang, Ian French, Joan Bin Lu

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    Abstract

    This paper describes a preliminary study of a 30 kW
    doubly-fed induction generator (DFIG) used for wind turbine
    applications. Wind represents a variable-speed intermittent
    source of energy in nature and can be controlled to be a nearly
    constant speed but variable-torque input to the wind turbine
    using blade pitch angle regulation. Wind profile at the installation
    site is investigated so as to derive parameterized wind speeds,
    more importantly, the annual cubic-mean speed. This is taken
    account into the machine design since the machine efficiency
    varies with turbine mechanical inputs. By coordinating the loss
    components, it is possible at the machine design stage to select the
    maximum efficiency to be near the actual optimized load, in a
    long run, to maximize the overall energy production of the
    generator. The DFIG is modeled in Matlab with a vector control.
    The total energy production is used as a key criterion to refine the
    machine design.
    Original languageEnglish
    Pages1-5
    DOIs
    Publication statusPublished - Sep 2008
    Event2008 International Conference on Electrical Machines - Vilamoura, Portugal
    Duration: 6 Sep 20089 Sep 2008

    Conference

    Conference2008 International Conference on Electrical Machines
    Abbreviated title(ICEM)
    CountryPortugal
    CityVilamoura
    Period6/09/089/09/08

    Bibliographical note

    Author can archive publisher's version/PDF. For full details see http://www.sherpa.ac.uk/romeo/ [Accessed 30/03/2010]

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