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    METHOD FOR CONTROLLING HYDRAULIC PITCH FORCE SYSTEM
    1.
    发明申请
    METHOD FOR CONTROLLING HYDRAULIC PITCH FORCE SYSTEM 审中-公开
    控制液压间距力系统的方法

    公开(公告)号：WO2017063654A1

    公开(公告)日：2017-04-20

    申请号：PCT/DK2016/050328

    申请日：2016-10-11

    Applicant: VESTAS WIND SYSTEMS A/S

    Inventor： KJÆR, Martin Ansbjerg ,  HANSEN, Frank Møller ,  NIELSEN, Jakob Hviid ,  NEUBAUER, Jesper Lykkegaard ,  CHRISTENSEN, Poul Brandt ,  CAPONETTI, Fabio ,  SKALLEBÆK, Christian ,  GRØN-STEVENS, Robert ,  ØSTERGAARD, Kasper Zinck

    IPC: F03D7/02

    CPC classification number: F03D7/0224 ,  F03D7/024 ,  F05B2260/406 ,  F05B2260/76 ,  F05B2270/301 ,  F05B2270/604 ,  Y02E10/723

    Abstract: There is provided a method for controlling a hydraulic pitch force system (220) so as to reduce or eliminate a decrease in hydraulic oil pressure (241) if a hydraulic system parameter value is outside a hydraulic system parameter range, the method comprising: Obtaining (690) the hydraulic system parameter value, and operating the hydraulic pitch force system (220) according to a reduced mode (692) if the hydraulic system parameter value is outside the hydraulic system parameter range, wherein in the reduced mode one or more pitch based activities are reduced (694) or suspended. An advantage thereof may be that it enables keeping the wind turbine in production in certain instances rather than shutting down the wind turbine. In aspects, there is furthermore presented a computer program product, a pitch control system (250) and a wind turbine (100).

    Abstract translation: 提供了一种用于控制液压变桨力系统（220）的方法，以便在液压系统参数值在液压系统参数之外时减少或消除液压油压力（241）的减小 所述方法包括：获取（690）所述液压系统参数值，并且如果所述液压系统参数值在所述液压系统参数范围之外，则根据减少的模式（692）操作所述液压变桨力系统（220），其中， 减少模式一个或多个基于音调的活动被减少（694）或暂停。 其优点可以是它能够在某些情况下保持风力涡轮机在生产中而不是关闭风力涡轮机。 在各方面中，还提供了计算机程序产品，桨距控制系统（250）和风力涡轮机（100）。

    POWER RAMP RATE LIMITER FOR WIND TURBINES
    2.
    发明申请
    POWER RAMP RATE LIMITER FOR WIND TURBINES 审中-公开
    风力涡轮机的电力RAMP RATE LIMITER

    公开(公告)号：WO2016086938A1

    公开(公告)日：2016-06-09

    申请号：PCT/DK2015/050365

    申请日：2015-11-30

    Applicant: VESTAS WIND SYSTEMS A/S

    Inventor： KJÆR, Martin Ansbjerg ,  THOMSEN, Jesper Sandberg ,  GRØN-STEVENS, Robert

    IPC: F03D7/02 ,  H02J3/38

    CPC classification number: F03D7/028 ,  F03D9/25 ,  F03D80/82 ,  F05B2240/912 ,  F05B2270/331 ,  H02J3/386 ,  H02K7/1838 ,  H02P9/105 ,  Y02E10/723 ,  Y02E10/728 ,  Y02E10/763

    Abstract: The invention relates to a method for limiting structural loads in a wind turbine in situations where the power produced by the wind turbine is increased or decreased. The limitation of structural loads is achieved by restricting the power ramp rate, i.e. the rate of change of increases or decreases in produced power. The restriction is only invoked if a maximum change of the produced power or the corresponding internal power reference within a time window exceeds a given threshold.

    Abstract translation: 本发明涉及在由风力涡轮机产生的功率增加或减少的情况下限制风力涡轮机中的结构负载的方法。 结构负载的限制通过限制功率斜坡率，即产生功率的增加或减少的变化率来实现。 只有在时间窗内产生的功率或相应的内部功率参考值的最大变化超过给定阈值时才调用该限制。

    DAMPING OF EDGEWISE WIND TURBINE BLADE VIBRATIONS
    3.
    发明申请
    DAMPING OF EDGEWISE WIND TURBINE BLADE VIBRATIONS 审中-公开
    消除风轮机叶片振动

    公开(公告)号：WO2018019345A1

    公开(公告)日：2018-02-01

    申请号：PCT/DK2017/050195

    申请日：2017-06-13

    Applicant: VESTAS WIND SYSTEMS A/S

    Inventor： CAPONETTI, Fabio ,  HENNINGSEN, Claus Thy ,  GRØN-STEVENS, Robert

    IPC: F03D7/02

    CPC classification number: F03D7/0296 ,  F03D7/0224 ,  F03D7/042 ,  F05B2260/74 ,  F05B2260/90 ,  F05B2270/328 ,  F05B2270/334 ,  Y02E10/723

    Abstract: There is presented a method for damping an edgewise vibration of a rotor blade of a wind turbine, wherein the method comprises measuring at the rotor blade a motion parameter of the edgewise rotor blade vibration, generating based on said motion parameter a blade pitch angle control signal, and damping the edgewise vibration of the rotor blade by pitching the rotor blade according to the blade pitch angle control signal, wherein the blade pitch angle control signal is arranged so that a resulting force on a rotor blade pitched according to the blade pitch angle control signal, in a direction of the edgewise vibration of the rotor blade in a coordinate system, which rotates with a rotor of the wind turbine, is opposite and proportional to the edgewise rotor blade vibration velocity.

    Abstract translation: 提出了一种用于阻尼风力涡轮机的转子叶片的沿边振动的方法，其中该方法包括在转子叶片处测量沿叶转子叶片振动的运动参数，基于所述 运动参数计算叶片桨距角控制信号，并且通过根据叶片桨距角控制信号俯仰转子叶片来衰减转子叶片的沿边振动，其中叶片桨距角控制信号被布置为使得转子叶片上的合力 根据叶片桨距角控制信号在与风力涡轮机的转子一起旋转的坐标系中的转子叶片的沿边振动的方向上与桨叶方向转子叶片振动速度相反并且成比例地变桨。 p>

    POWER RAMPING A TURBINE FROM A LOW-POWER MODE
    4.
    发明申请
    POWER RAMPING A TURBINE FROM A LOW-POWER MODE 审中-公开
    从低功耗模式切换涡轮机

    公开(公告)号：WO2016138906A1

    公开(公告)日：2016-09-09

    申请号：PCT/DK2016/050056

    申请日：2016-02-29

    Applicant: VESTAS WIND SYSTEMS A/S

    Inventor： KJÆR, Martin Ansbjerg ,  BOWYER, Robert ,  THOMSEN, Carsten Nørlund ,  GRØN-STEVENS, Robert ,  GRUNNET, Jacob Deleuran ,  THOMSEN, Jesper Sandberg

    IPC: F03D7/02

    CPC classification number: F03D7/0284 ,  F03D7/0224 ,  F03D7/0276 ,  F05B2220/706 ,  F05B2270/1033 ,  F05B2270/32 ,  F05B2270/327 ,  F05B2270/328 ,  F05B2270/337 ,  G05B15/02 ,  Y02E10/723

    Abstract: Embodiments herein describe varying the rotor speed based on the current wind speed when operating in a low power mode. Generally, as the wind speed increases above the rated wind speed (i.e., the wind speed at which the turbine is capable of producing its rated or maximum output power), the rotor speed can be reduced thereby minimizing the risk that the turbine experiences smearing or torque reversals. In one embodiment, as the rotor speed decreases, the turbine maintains the ability to ramp to the rated power of the turbine only by pitching in the blades to an optimal blade pitch angle. Thus, upon receiving a request to cease operating in the low power mode, the turbine can increase the output power to the rated power without first increasing the rotor speed.

    Abstract translation: 本文的实施例描述了当以低功率模式操作时基于当前风速来改变转子速度。 通常，随着风速增加到额定风速（即，涡轮机能够产生其额定或最大输出功率的风速），可以减小转子速度，从而最小化涡轮机遭受拖尾或风险的风险 转矩反转。 在一个实施例中，随着转子速度的降低，涡轮机仅通过在叶片中俯仰至最佳叶片俯仰角而保持斜坡至涡轮机的额定功率的能力。 因此，在接收到在低功率模式下停止运行的请求时，涡轮机可以在不首先提高转子速度的情况下将输出功率提高到额定功率。

    POWER RAMP RATE LIMITER FOR WIND TURBINES
    6.
    发明公开
    POWER RAMP RATE LIMITER FOR WIND TURBINES 审中-公开
    用于风力发电机组的功率限制器

    公开(公告)号：EP3227553A1

    公开(公告)日：2017-10-11

    申请号：EP15804306.7

    申请日：2015-11-30

    Applicant: Vestas Wind Systems A/S

    Inventor： KJÆR, Martin Ansbjerg ,  THOMSEN, Jesper Sandberg ,  GRØN-STEVENS, Robert

    IPC: F03D7/02 ,  H02J3/38

    CPC classification number: F03D7/028 ,  F03D9/25 ,  F03D80/82 ,  F05B2240/912 ,  F05B2270/331 ,  H02J3/386 ,  H02K7/1838 ,  H02P9/105 ,  Y02E10/723 ,  Y02E10/728 ,  Y02E10/763

    Abstract: The invention relates to a method for limiting structural loads in a wind turbine in situations where the power produced by the wind turbine is increased or decreased. The limitation of structural loads is achieved by restricting the power ramp rate, i.e. the rate of change of increases or decreases in produced power. The restriction is only invoked if a maximum change of the produced power or the corresponding internal power reference within a time window exceeds a given threshold.

    Abstract translation: 本发明涉及一种用于在由风力涡轮机产生的功率增加或减少的情况下限制风力涡轮机中的结构负载的方法。 结构负载的限制是通过限制功率变化率，即产生功率增加或减少的变化率来实现的。 只有在时间窗内产生的功率或相应的内部功率参考的最大变化超过给定阈值时才会调用限制。

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