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    POWER BOOST OF A WIND TURBINE USING MODEL PREDICTIVE CONTROL
    42.
    发明公开
    POWER BOOST OF A WIND TURBINE USING MODEL PREDICTIVE CONTROL 审中-公开

    公开(公告)号：EP3359811A1

    公开(公告)日：2018-08-15

    申请号：EP16781668.5

    申请日：2016-10-04

    Applicant: Vestas Wind Systems A/S

    Inventor： HOVGAARD, Tobias Gybel ,  ODGAARD, Peter

    IPC: F03D7/04 ,  F03D7/02

    Abstract: The present disclosure relates to a control of a wind turbine in connection with power boosting or fast increase of active power production. A boost command is received (63) and based on the current operational state and the boost level a predicted control trajectory is calculated using a model predictive control (MPC) routine (64). The wind turbine is controlled using the calculated control trajectory during the power boost (65).

    A CONTROL SYSTEM FOR WIND TURBINES FOR REDUCING DISTURBANCES IN AN ELECTRICAL GRID
    47.
    发明公开
    A CONTROL SYSTEM FOR WIND TURBINES FOR REDUCING DISTURBANCES IN AN ELECTRICAL GRID 审中-公开

    公开(公告)号：EP3581791A1

    公开(公告)日：2019-12-18

    申请号：EP19179866.9

    申请日：2019-06-13

    Applicant: VESTAS WIND SYSTEMS A/S

    Inventor： HOVGAARD, Tobias Gybel ,  CHRISTENSEN, Poul Brandt

    IPC: F03D7/02 ,  H02J3/24

    Abstract: The present invention relates to a method for controlling a power plant for reducing spectral disturbances in an electrical grid being operative connected to the power plant, the power plant comprising a plant controller, at least one wind turbine and at least one auxiliary energy source, wherein the at least one wind turbine comprises a rotor adapted to drive a power generator via a shaft, wherein the generator is connectable with the electrical grid, and at least one damping controller configured to compensate structural oscillations of the wind turbine by controlling a torque on the shaft, wherein the at least one damping controller is capable of setting a limit of a control action on the shaft, the method comprising the steps of determining disturbance information for the power plant in the form of an electrical disturbance at a point of measurement electrically connected to the power plant, determining set-points for the at least one auxiliary energy source based on the determined disturbance information, and assigning the set-points to the at least one auxiliary energy source in order to counteract at least part of the electrical disturbance at the point of measurement using at least part of an available amount of energy from the at least one auxiliary energy source.

    FAST REACTING CONTROL SYSTEM FOR WIND TURBINE
    50.
    发明公开
    FAST REACTING CONTROL SYSTEM FOR WIND TURBINE 审中-公开

    公开(公告)号：EP3356671A1

    公开(公告)日：2018-08-08

    申请号：EP16774620.5

    申请日：2016-09-27

    Applicant: Vestas Wind Systems A/S

    Inventor： HAMMERUM, Keld ,  KJÆR, Martin Ansbjerg ,  THOMSEN, Jesper Sandberg ,  HERBSLEB, Eik ,  HOVGAARD, Tobias Gybel

    IPC: F03D7/04 ,  G05B19/042 ,  G05B21/02

    Abstract: The present disclosure relates to a control system for a wind turbine comprising more controllers and where at least some of the controllers operate at different sample frequencies. The control system comprises at least two controller units, a first controller (10) for determining an operational value (OV) of a sub-system and a second controller (20) for the sub-system. The second controller operates at a higher sample frequency than the first controller. It is disclosed that a faster reaction to a received demand value (V1), received for controlling the sub-system, can be obtained by setting the operational value (OV) of the sub-system as the sum of an internal operational value (V5) and a difference value (V4).

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