Dual-Speed Wind Turbine Generation

    Research output: Contribution to conferencePaper


    Induction generator has been used since the early development of utility-scale wind turbine generation. An induction generator is the generator of choice because of its ruggedness and low cost. With an induction generator, the operating speed of the wind turbine is limited to a narrow range (almost constant speed). Dual-speed operation can be accomplished by using an induction generator with twodifferent sets of winding configurations or by using a dual output drive train to drive two induction generators with two different rated speeds. In this document, dual-speed operation of a wind turbine is investigated, Annual energy production is compared between single-speed and dual-speed operation. One type of control algorithm for dual-speed operation is proposed. Some results from adynamic simulation will be presented to show how the control algorithm works as the wind turbine is exposed to varying wind speeds.
    Original languageAmerican English
    Number of pages8
    StatePublished - 1996
    EventWindpower 1996: American Wind Energy Association Conference - Denver, Colorado
    Duration: 23 Jun 199627 Jun 1996


    ConferenceWindpower 1996: American Wind Energy Association Conference
    CityDenver, Colorado

    NREL Publication Number

    • NREL/CP-22302


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