Wind turbine and associated control method
    3.
    发明授权
    Wind turbine and associated control method 有权
    风力发电机及相关控制方法

    公开(公告)号:US08803349B2

    公开(公告)日:2014-08-12

    申请号:US13462149

    申请日:2012-05-02

    IPC分类号: F03D9/00 H02P9/04 F03D7/02

    摘要: A method for controlling the position of blades of a two-bladed wind turbine when extreme conditions are detected or forecast for the wind turbine. When extreme conditions are detected or forecast, the wind turbine blades are positioned in a horizontal arrangement, and actively yawed such that a tip of one of the wind turbine blades points into the wind direction. The blades are yawed such as to actively follow the changing wind direction, resulting in a reduced surface area of the blades exposed to the extreme wind forces, due to the spear-like arrangement of the turbine blades. This reduced surface area provides for a reduction in the extreme loads which may be experienced by the wind turbine in such extreme wind conditions.

    摘要翻译: 一种用于在对风力涡轮机检测或预测极端条件时控制双叶片风力涡轮机叶片的位置的方法。 当检测到或预测极端条件时,风力涡轮机叶片被定位在水平布置中,并且主动偏航,使得风力涡轮机叶片中的一个的尖端指向风向。 叶片被偏转以主动跟随变化的风向,导致由于涡轮叶片的矛状布置而暴露于极端风力的叶片的表面积减小。 这种减小的表面积提供了在这种极端风力条件下风力涡轮机可能经历的极端负载的减小。

    WIND TURBINE AND WIND TURBINE BLADE
    4.
    发明申请
    WIND TURBINE AND WIND TURBINE BLADE 审中-公开
    风力涡轮机和风力涡轮机叶片

    公开(公告)号:US20120294715A1

    公开(公告)日:2012-11-22

    申请号:US13472933

    申请日:2012-05-16

    IPC分类号: F03D7/00

    摘要: A method for controlling a two-bladed pitchable swept-blade wind turbine in extreme wind conditions is described, wherein when extreme conditions are detected or forecast for the wind turbine, the wind turbine blades are pitched such that they will stabilise in a substantially horizontal arrangement. The blades can be yawed such that the tip ends of the wind turbine blades point in the same direction towards the surface level, thereby lowering the centre of mass of the rotor assembly of the wind turbine blades and the rotor hub. The lower centre of mass of the assembly results in the stabilisation of the blades in a substantially horizontal position, resulting in a reduced surface area of the blades exposed to the extreme wind forces. This reduced surface area provides for a reduction in the extreme loads which may be experienced by the wind turbine in such extreme wind conditions.

    摘要翻译: 描述了一种用于在极端风力条件下控制双叶片可俯仰扫掠叶片风力涡轮机的方法,其中当风力涡轮机的极端条件被检测或预测时,风力涡轮机叶片倾斜,使得它们将以基本上水平的布置稳定 。 叶片可以偏转,使得风力涡轮机叶片的尖端指向与表面水平相同的方向,从而降低风力涡轮机叶片和转子毂的转子组件的质心。 组件的较低质心导致叶片稳定在基本上水平的位置,导致叶片暴露于极端风力的表面积减小。 这种减小的表面积提供了在这种极端风力条件下风力涡轮机可能经历的极端负载的减小。

    Method of controlling the operation of a wind turbine and wind turbine for use in said method
    10.
    发明授权
    Method of controlling the operation of a wind turbine and wind turbine for use in said method 有权
    控制用于所述方法的风力涡轮机和风力涡轮机的操作的方法

    公开(公告)号:US06619918B1

    公开(公告)日:2003-09-16

    申请号:US10111921

    申请日:2002-05-01

    IPC分类号: F03D704

    摘要: The wind turbine (1) comprises a rotor (2) with a number of blades mounted for rotation about a mainly horizontal axis, and the pitch of the blades of the wind turbine is controlled dependence on measured parameters to optimize the operation of the wind turbine with respect to produced energy under varying weather and wind conditions. By measuring mechanical loads on the blades (7, 8), and controlling the pitch of the blades of the wind turbine in such a way, that the measured mechanical loads are maintained below certain limits during operation, the control can be performed closer to the mechanical load limits of the blades without risk of exceeding these limits.

    摘要翻译: 风力涡轮机(1)包括具有多个叶片的转子(2),其安装成围绕主要水平轴线旋转,并且风力涡轮机的叶片的桨距根据测量的参数被控制以优化风力涡轮机的运行 关于在不同的天气和风况下产生的能量。 通过测量叶片(7,8)上的机械载荷,并且以这种方式控制风力涡轮机叶片的桨距,所测量的机械负载在操作期间保持在某一极限以下,则可以更接近 叶片的机械载荷极限不会超过这些限制。