OVERBOOSTING TECHNIQUES FOR WIND POWER PLANT
    11.
    发明申请
    OVERBOOSTING TECHNIQUES FOR WIND POWER PLANT 审中-公开
    风力发电厂的覆盖技术

    公开(公告)号:WO2016192731A1

    公开(公告)日:2016-12-08

    申请号:PCT/DK2016/050141

    申请日:2016-05-23

    Abstract: A method and control arrangement are disclosed for controlling power output of a wind power plant (WPP) including a plurality of wind turbine generators (WTGs). The method includes determining that overboosting is required for the WPP to meet a power demand at the WPP, and determining, for at least a first WTG of the plurality of WTGs, a corresponding amount of overboost capacity. The method further includes generating, based on the determined amount of overboost capacity, control signals causing the first WTG to increase its power output through overboosting to thereby fulfill at least a portion of the power demand.

    Abstract translation: 公开了一种用于控制包括多个风力涡轮发电机(WTG)的风力发电厂(WPP)的功率输出的方法和控制装置。 该方法包括确定WPP需要过载以满足WPP的功率需求,并且为多个WTG中的至少第一WTG确定相应量的过载能力。 该方法还包括基于所确定的过载能力的量来产生控制信号,使得第一WTG通过过载来增加其功率输出,从而满足功率需求的至少一部分。

    OPERATING METHOD FOR A WIND TURBINE
    12.
    发明申请
    OPERATING METHOD FOR A WIND TURBINE 审中-公开
    风力涡轮机的运行方法

    公开(公告)号:WO2015086024A1

    公开(公告)日:2015-06-18

    申请号:PCT/DK2014/050416

    申请日:2014-12-05

    Abstract: The present invention refers to a method for operating a wind turbine, the wind turbine particularly comprising a tower and a rotor with rotor blades. The pitch angles of the rotor blades are adjusted to generate a force on the rotor and the tower. The force is adjusted to counteract and damp an oscillation. The adjustment is enabled by an activation decision unit, if the activation decision unit decides that certain parameters characterising the oscillation or loads of the tower indicate a requirement and/or if the activation decision unit determines that the generated force is sufficient to counteract an oscillation of the tower. In various embodiments the parameters characterising the oscillation or loads of the tower comprise current oscillations and their amplitude, an estimate of loads incurred in the turbine structure, an estimate whether damping in the near future might become necessary, an indication whether a different oscillation damping algorithm than individual blade pitch control is currently performing, and an indication whether a wind speed is above a certain portion of a rated wind speed.

    Abstract translation: 本发明涉及一种用于操作风力涡轮机的方法,所述风力涡轮机特别地包括塔和具有转子叶片的转子。 调整转子叶片的桨距角以在转子和塔上产生力。 调节力以抵消和阻尼振荡。 如果激活判定单元确定表征塔的振荡或负载的某些参数指示要求,和/或如果激活判定单元确定所产生的力足以抵消振荡的振荡 塔。 在各种实施例中,表征塔的振荡或负载的参数包括电流振荡及其振幅,涡轮机结构中引起的负载的估计,是否需要在不久的将来阻尼的估计,是否有不同的振荡阻尼算法 比单个叶片桨距控制正在执行,以及风速是否高于额定风速的某一部分的指示。

    CONTROL METHOD FOR A WIND TURBINE
    13.
    发明申请
    CONTROL METHOD FOR A WIND TURBINE 审中-公开
    风力发电机的控制方法

    公开(公告)号:WO2015039665A1

    公开(公告)日:2015-03-26

    申请号:PCT/DK2014/050285

    申请日:2014-09-16

    Abstract: The invention relates to a method of controlling a wind turbine, the wind turbine comprising wind turbine blades attached to a rotor hub and a control system for pitching the blades relative to the hub. The method comprises providing wake sectors assigned to different wind directions and providing a normal pitch schedule to control an output parameter of the wind turbine (e.g. power, rotational speed), comprising pitch reference values as a function of the wind speed and at least one of the parameters of thrust coefficient C t and axial induction factor a. Further, is provided a modified pitch schedule to control a modified output parameter of the wind turbine, comprising pitch reference values in dependence of the wind speed and at least one modified parameter of the thrust coefficient and/or the axial induction factor. Upon receiving indications of a wind speed and a wind direction at the wind turbine is determined a pitch reference value for the wind turbine blades according to the normal pitch schedule if the wind direction falls outside the wake sector and otherwise according to the modified pitch schedule. The wind turbine is then controlled according to the pitch reference value. The invention further relates to a method of controlling the wind turbines in a wind park, wherein each wind turbine in the park is controlled locally according to the above mentioned control method.

    Abstract translation: 本发明涉及一种控制风力涡轮机的方法,所述风力涡轮机包括附接到转子毂的风力涡轮机叶片和用于相对于所述毂倾斜叶片的控制系统。 该方法包括提供分配给不同风向的尾流扇区,并且提供正常俯仰调度以控制风力涡轮机的输出参数(例如功率,转速),包括作为风速的函数的俯仰参考值和至少一个 推力系数Ct和轴向感应系数a的参数。 此外,提供了一种修改的桨距计划,用于控制风力涡轮机的改进的输出参数,包括根据风速和推力系数和/或轴向感应系数的至少一个修改参数的俯仰参考值。 在风力涡轮机上接收到风速指示和风向的指示如果风向落在尾流扇区之外,则根据正常俯仰调度方式确定风力涡轮机叶片的俯仰基准值,否则根据修改的俯仰调度。 然后根据俯仰基准值来控制风力涡轮机。 本发明还涉及一种控制风力发电场中的风力涡轮机的方法,其中根据上述控制方法对园区中的每个风力涡轮机进行局部控制。

    METHODS AND SYSTEMS FOR WARNING A WIND TURBINE GENERATOR IN A WIND PARK OF AN EXTREME WIND EVENT
    14.
    发明申请
    METHODS AND SYSTEMS FOR WARNING A WIND TURBINE GENERATOR IN A WIND PARK OF AN EXTREME WIND EVENT 审中-公开
    用于警告风力涡轮发电机的方法和系统在风力发电场的风景公园

    公开(公告)号:WO2013083131A1

    公开(公告)日:2013-06-13

    申请号:PCT/DK2012/050443

    申请日:2012-12-04

    Abstract: A method is provided for warning a wind turbine generator (WTG) (100) in a wind park (200, 400, 1300) of an extreme wind event. According to one embodiment of the method, one or more WTGs are adaptively selected to operate as front line WTGs. The one or more front line WTGs detect extreme wind events and provide a warning (230) to other WTGs. The selection of front line WTGs is adaptive to changing wind conditions. In another embodiment, a wind park (200, 400, 1300) includes a group of one or more WTGs of a first type (220) located in an inner region of the wind park and a plurality of WTGs of a second type (210) located in an outer region of the wind park that at least partially surrounds the inner region. The first type of WTG (220) is structurally weaker and/or rated for higher performance than the second type of WTG (210).

    Abstract translation: 提供一种用于在极端风事件的风力发电场(200,400,1300)中警告风力涡轮发电机(WTG)(100)的方法。 根据该方法的一个实施例,自适应地选择一个或多个WTG作为前线WTG进行操作。 一个或多个前线WTG检测极端风事件并向其他WTG提供警告(230)。 前轮WTG的选择适应于变化的风况。 在另一个实施例中,风力发电场(200,400,1300)包括位于风力发电场的内部区域中的第一类型(220)的一个或多个WTG的组和多个第二类型(210)的WTG, 位于风力发电场的至少部分地围绕内部区域的外部区域中。 第一类型的WTG(220)在结构上比第二类型的WTG(210)更弱和/或被评定为更高的性能。

    IMPROVING POWER PRODUCTION OF WIND TURBINES
    15.
    发明申请
    IMPROVING POWER PRODUCTION OF WIND TURBINES 审中-公开
    改善风力发电的功率生产

    公开(公告)号:WO2013007258A1

    公开(公告)日:2013-01-17

    申请号:PCT/DK2012/050220

    申请日:2012-06-29

    CPC classification number: F03D7/0224 F05B2270/32 F05B2270/326 Y02E10/723

    Abstract: Embodiments of the invention generally relate to wind turbine generators, and more specifically to improving power production in wind turbine generators. A rotor plane of the wind turbine may be divided into a plurality of sections. A characteristic of wind associated with each section may be determined. An optimal pitch angle may be determined for each section based on the associated wind characteristic. A pitch controller may adjust the pitch angle of a blade to the optimal pitch angle as the blade sweeps through the section.

    Abstract translation: 本发明的实施例一般涉及风力涡轮发电机,更具体地涉及改善风力涡轮发电机中的功率产生。 风力涡轮机的转子平面可以分成多个部分。 可以确定与每个部分相关联的风的特征。 可以基于相关的风特征为每个部分确定最佳桨距角。 当桨叶扫过该部分时,桨距控制器可以将叶片的俯仰角调节到最佳俯仰角。

    REDUCTION OF EDGEWISE VIBRATIONS USING TORSIONAL VIBRATION SIGNAL

    公开(公告)号:WO2020239178A1

    公开(公告)日:2020-12-03

    申请号:PCT/DK2020/050148

    申请日:2020-05-26

    Abstract: The present invention relates to a rotor control system for actuating pitch of pitch adjustable rotor blades of a wind turbine in order to reduce edgewise blade vibrations. The system comprises a pitch actuation unit being arranged to receive a torsional vibration signal and apply a filter to the torsional vibration signal to couple the torsional vibration signal to an edgewise vibration of the rotor blades. An m-blade coordinate transformation, such as the Coleman transformation, is applied to the filtered torsional vibrational signal to obtain pitch modification signals.

    REDUCTION OF EDGEWISE VIBRATIONS USING BLADE LOAD SIGNAL

    公开(公告)号:WO2020239177A1

    公开(公告)日:2020-12-03

    申请号:PCT/DK2020/050147

    申请日:2020-05-26

    Abstract: The present invention relates to a rotor control system for actuating pitch of pitch adjustable rotor blades of a wind turbine in order to reduce edgewise blade vibrations. The system comprises a pitch actuation unit being arranged to receive an edgewise load signal and apply m-blade coordinate transformations, such as the Coleman transformations, to the edgewise load signal. Based on a selected signal component at either a backward whirling frequency or a forward whirling frequency, a modified modification signal is obtained.

    FAST REACTING CONTROL SYSTEM FOR WIND TURBINE
    20.
    发明申请
    FAST REACTING CONTROL SYSTEM FOR WIND TURBINE 审中-公开
    风力发电机快速反应控制系统

    公开(公告)号:WO2017054825A1

    公开(公告)日:2017-04-06

    申请号:PCT/DK2016/050309

    申请日:2016-09-27

    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).

    Abstract translation: 本公开涉及一种用于风力涡轮机的控制系统,其包括更多的控制器,并且其中至少一些控制器在不同的采样频率下操作。 控制系统包括至少两个控制器单元,用于确定子系统的操作值(OV)的第一控制器(10)和用于子系统的第二控制器(20)。 第二控制器以比第一控制器更高的采样频率操作。 公开了通过将子系统的操作值(OV)设置为内部操作值(V5)的和来获得对接收到的用于控制子系统的接收请求值(V1)的更快的反应 )和差值(V4)。

Patent Agency Ranking