VERSTELL- UND/ODER ANTRIEBSEINHEIT, WINDKRAFTANLAGE MIT EINER SOLCHEN VERSTELL- UND/ODER ANTRIEBSEINHEIT UND VERFAHREN ZUM STEUERN EINER SOLCHEN VERSTELL- UND/ODER ANTRIEBSEINHEIT
    1.
    发明申请
    VERSTELL- UND/ODER ANTRIEBSEINHEIT, WINDKRAFTANLAGE MIT EINER SOLCHEN VERSTELL- UND/ODER ANTRIEBSEINHEIT UND VERFAHREN ZUM STEUERN EINER SOLCHEN VERSTELL- UND/ODER ANTRIEBSEINHEIT 审中-公开
    可调整的和/或驱动单元,用于控制这样的变量和/或驱动单元以可变的和/或驱动单元和方法风力发电机

    公开(公告)号:WO2017084755A2

    公开(公告)日:2017-05-26

    申请号:PCT/EP2016/001926

    申请日:2016-11-18

    Abstract: Die vorliegende Erfindung betrifft Verstell- und/oder Antriebseinheiten wie sie bei Windkraftanlagen zum Einstellen des Azimut-Winkels der Windkraftanlagengondel oder des Pitch-Winkels der Rotorblätter eingesetzt werden können, wobei eine solche Verstell- und/oder Antriebseinheit zumindest zwei Stellantriebe zum Verdrehen zweier zueinander verdrehbar gelagerter Baugruppen sowie eine Steuereinrichtung zum Ansteuern der Stellantriebe aufweist, die die Stellantriebe derart ansteuert, dass die Stellantriebe beim Verdrehen der beiden Baugruppen und/oder im Stillstand der Baugruppen zueinander verspannt werden. Die Erfindung betrifft ferner eine Windkraftanlage mit einer solchen Verstell- und/oder Antriebseinheit sowie ein Verfahren zum Steuern einer solchen Verstell- und/oder Antriebseinheit. Erfindungsgemäß umfasst die Steuereinrichtung eine Verspannungs-Einstelleinrichtung zum variablen Einstellen der Stärke der Verspannung der Stellantriebe in Abhängigkeit einer variablen äußeren Last auf die zu verstellenden Baugruppen, die mittels einer Lastbestimmungseinrichtung bestimmbar ist. Nach einem weiteren Aspekt der Erfindung ist ein Überlastschutz vorgesehen, wobei durch Belastungs-Bestimmungseinrichtungen die individuellen Lasten der einzelnen Stellantriebe bestimmt und bei Erreichen einer Überlastung eines Stellantriebs die Verteilung der Antriebsmomente verändert wird derart, dass der in die Überlastung kommende Stellantrieb entlastet oder zumindest nicht weiter belastet wird und zumindest ein weiterer Stellantrieb stärker unterstützend belastet oder weniger verspannend belastet wird.

    Abstract translation:

    本发明涉及位移和/或作为在风力涡轮机用于调整风力涡轮机机舱的或Rotorbl BEAR的桨距角的方位角可用于tter K&ouml驱动单元;可以,由此这样的调整 和/或驱动器单元具有至少两个致动器,用于旋转两个相互可旋转的安装的组件,以及用于驱动所述致动器的控制器,其控制使得两个组件和/或在模块的停止旋转期间,致动器彼此夹紧的致动器。 本发明还涉及具有这样的位移和/或驱动单元和用于控制这种位移和/或驱动单元的方法的风力涡轮机。 发明Ä大街 该控制装置包括一个张力设定装置,用于可变地设置的致动器中的依赖性BEAR AUML可变&U ROAD较旧负载的依赖性的张力的圣BEAR强度进行调整的模块,其可以由一个载荷确定装置来确定。 根据本发明的另一个方面是提供一种导航用过载保护,通过负载确定装置确定,单独的致动器的单独的负载和在到达致动器的导航用途超载,驱动转矩版本BEAR的分布被改变,使得在导航用 被解除过载来致动器或至少不会传递和至少一个其它致动器STÄ更强底部导航使用腐蚀性充电或verspannend 较少强调。

    METHOD AND SYSTEM FOR DETERMINING THE DYNAMIC TWIST OF A WIND TURBINE BLADE
    2.
    发明申请
    METHOD AND SYSTEM FOR DETERMINING THE DYNAMIC TWIST OF A WIND TURBINE BLADE 审中-公开
    用于确定风力涡轮叶片动态转速的方法和系统

    公开(公告)号:WO2016101961A1

    公开(公告)日:2016-06-30

    申请号:PCT/DK2015/050414

    申请日:2015-12-22

    Abstract: The present invention relates to a method and wind turbine for determining a dynamic twist of one or more blades. One or more first signals are received from a first wireless sensor attached to a blade of a wind turbine and a first angle is determined based on the received first signals. One or more second signals are received from a second wireless sensor attached to a blade of a wind turbine and spaced apart from the first wireless sensor by a predetermined distance. A second angle is determined based on the received second signals. A dynamic twist of the blade is determined based on the determined first angle, the determined second angle and the predetermined distance.

    Abstract translation: 本发明涉及一种用于确定一个或多个叶片的动态扭转的方法和风力涡轮机。 从附接到风力涡轮机的叶片的第一无线传感器接收一个或多个第一信号,并且基于接收的第一信号确定第一角度。 从附接到风力涡轮机的叶片并与第一无线传感器间隔开预定距离的第二无线传感器接收一个或多个第二信号。 基于接收到的第二信号确定第二角度。 基于确定的第一角度,确定的第二角度和预定距离来确定叶片的动态扭曲。

    A METHOD OF OPERATING A WIND TURBINE
    3.
    发明申请
    A METHOD OF OPERATING A WIND TURBINE 审中-公开
    一种运行风力涡轮机的方法

    公开(公告)号:WO2016101955A1

    公开(公告)日:2016-06-30

    申请号:PCT/DK2015/050400

    申请日:2015-12-16

    Abstract: The present invention provides a method of operating a wind turbine. The wind turbine comprises at least one rotatable blade. The method comprises the steps of providing a load sensor configured to generate a load signal representing loading on the blade, generating a first load signal when the blade is in a first position, and generating a second load signal when the blade is in a second position. Additionally, the method comprises steps of detecting a rotational speed of the blade, calculating a weight force on the blade based on the first and the second load signal, and calculating a centrifugal force on the blade based on the first and the second load signal. Subsequently, the weight force is compared with a predetermined weight force, and the centrifugal force is compared with a predetermined centrifugal force at the detected rotational speed. Finally, a risk of ice throw is determined based on the comparisons of the weight force and the centrifugal force with the predetermined forces.

    Abstract translation: 本发明提供一种操作风力涡轮机的方法。 风力涡轮机包括至少一个可旋转叶片。 该方法包括以下步骤:提供负载传感器,该负载传感器被配置为产生表示叶片上的负载的负载信号,当叶片处于第一位置时产生第一负载信号,并且当叶片处于第二位置时产生第二负载信号 。 此外,该方法包括以下步骤:检测叶片的转速,基于第一和第二负载信号计算叶片上的重力,以及基于第一和第二负载信号计算叶片上的离心力。 随后,将重量力与预定的重力进行比较,并将离心力与检测到的转速与预定的离心力进行比较。 最后,基于重力与离心力与预定力的比较来确定冰滴的风险。

    IMPROVEMENTS RELATING TO THE DETERMINATION OF ROTOR IMBALANCES IN A WIND TURBINE
    4.
    发明申请
    IMPROVEMENTS RELATING TO THE DETERMINATION OF ROTOR IMBALANCES IN A WIND TURBINE 审中-公开
    关于风力发电机转子转子的确定的改进

    公开(公告)号:WO2016034180A1

    公开(公告)日:2016-03-10

    申请号:PCT/DK2015/050250

    申请日:2015-08-28

    Abstract: A method and system for improving the balance of a rotor in a wind turbine, including; determining blade load data associated with a selected rotor blade pair; determining, based on the blade load data, pitch imbalance data associated with the selected rotor blade pair, wherein the pitch imbalance data associated with a rotor blade pair is based on measurements of at least blade loading, rotor speed and wind speed; and, determining and applying pitch control inputs to one or both of the selected rotor blade pair in order to reduce the severity of the rotor imbalance.

    Abstract translation: 一种改善风力涡轮机转子平衡的方法和系统,包括: 确定与所选择的转子叶片对相关联的叶片负载数据; 基于叶片负载数据确定与所选择的转子叶片对相关联的桨距不平衡数据,其中与转子叶片对相关联的桨距不平衡数据基于至少叶片负载,转子速度和风速的测量; 并且,为了减小转子不平衡的严重性,确定并向所选择的转子叶片对中的一个或两个施加桨距控制输入。

    A STABILISED HYDROELECTRIC TURBINE SYSTEM
    5.
    发明申请
    A STABILISED HYDROELECTRIC TURBINE SYSTEM 审中-公开
    稳定水电涡轮机系统

    公开(公告)号:WO2014082968A1

    公开(公告)日:2014-06-05

    申请号:PCT/EP2013/074633

    申请日:2013-11-25

    Abstract: The present invention provides a hydroelectric turbine system (10) including a base (12) on which a hydroelectric turbine (14) is mounted and supported, the base (12) having a number of fixed length legs (20) and at least one adjustable length leg (22), in order to allow all of the legs to contact the seabed in order to evenly distribute the system load into the seabed.

    Abstract translation: 本发明提供一种水力涡轮机系统(10),其包括基座(12),水力涡轮机(14)被安装和支撑在所述基座上,所述基座(12)具有多个固定长度的腿(20)和至少一个可调节 以便允许所有的腿部接触海床,以便将系统负载均匀地分配到海底。

    METHOD OF OPERATING A WIND TURBINE
    6.
    发明申请
    METHOD OF OPERATING A WIND TURBINE 审中-公开
    风力涡轮机的运行方法

    公开(公告)号:WO2013127899A1

    公开(公告)日:2013-09-06

    申请号:PCT/EP2013/053996

    申请日:2013-02-28

    Abstract: Method of operating a wind turbine comprising a plurality of blades rotatable along their longitudinal axes using a pitch mechanism, and comprising one or more movable trailing edge surfaces. The method includes predicting,at a first moment in time,a high load for one or more of the blades at a second moment in time. The method further comprises actuating on one or more of the movable trailing edge surfaces of these blades such that the trailing edge surfaces have a wider range of control to counteract the predicted high loads before the second moment in time, and simultaneously pitching the blades such as not to negatively affect the operation of the wind turbine. The method furthermore comprises,at the second moment in time, actuating the one or more movable trailing edge surfaces of the at least one or more blades to counteract the high loads.

    Abstract translation: 一种操作风力涡轮机的方法,包括使用间距机构沿其纵向轴线可旋转的多个叶片,并且包括一个或多个可移动后缘表面。 该方法包括在第一时刻在第二时刻预测一个或多个叶片的高负荷。 该方法还包括致动这些叶片的一个或多个可移动后缘表面,使得后缘表面具有更宽的控制范围以抵消在第二时刻之前的预测的高负载,并且同时对叶片进行俯仰,例如 不会对风力发电机的运行造成负面影响。 该方法还包括在第二时刻,致动至少一个或多个叶片的一个或多个可移动的后缘表面以抵消高负载。

    CONTROL METHOD FOR A WIND TURBINE, AND WIND TURBINE
    7.
    发明申请
    CONTROL METHOD FOR A WIND TURBINE, AND WIND TURBINE 审中-公开
    风力涡轮机和风力发电机的控制方法

    公开(公告)号:WO2013091638A1

    公开(公告)日:2013-06-27

    申请号:PCT/DK2012/050464

    申请日:2012-12-14

    Abstract: The invention relates to a method of controlling a wind turbine comprising one or more blades attached to a rotor hub, the one or more blades being arranged to pitch relative to the hub, the method comprising the steps of obtaining a blade load signal comprising data on an absolute load on the one or more blades; processing the blade load data to detect a high thrust wind event, and generating a control signal comprising a pitch contribution for affecting the blades to pitch out of the wind in response to the detected wind event. The invention also relates to a wind turbine, a control system for a wind turbine and a computer program product being adapted to enable a computer system to perform the method of the invention.

    Abstract translation: 本发明涉及一种控制风力涡轮机的方法,该风力涡轮机包括连接到转子毂的一个或多个叶片,所述一个或多个叶片被布置成相对于轮毂来俯仰,该方法包括以下步骤:获得叶片负载信号,该叶片负载信号包括 在一个或多个叶片上的绝对载荷; 处理所述叶片负载数据以检测高推力风事件,以及响应于所检测到的风事件,产生包括用于影响所述叶片偏转风的俯仰贡献的控制信号。 本发明还涉及风力涡轮机,用于风力涡轮机的控制系统和适于使得计算机系统能够执行本发明的方法的计算机程序产品。

    BLADE LOAD REDUCTION FOR WIND TURBINES
    8.
    发明申请
    BLADE LOAD REDUCTION FOR WIND TURBINES 审中-公开
    用于风力涡轮机的叶片负载减少

    公开(公告)号:WO2012110173A3

    公开(公告)日:2013-01-03

    申请号:PCT/EP2012000075

    申请日:2012-01-10

    Inventor: BERTOLOTTI FABIO

    Abstract: A wind turbine having a hub (210) rotably attached to a nacelle (200), at least two blades (1, 2, 3) rotationally attach to the hub (210) to allow a change in blade pitch angle (T-?, T2 T3) a blade-pitch system (250) for individually controlling the blade-pitch angle (T?, 02 T3) of each blade, a supervisory control unit for issuing a first pitching command, a rotor position sensor (238) generating a rotor-position signal (ß) indicative of the rotor azimuthally position, a rotor-rotational-rate sensor (236) generating a rotor-rotational-rate signal (O) indicative of the rotor rotational speed, and a tower (100) supporting the nacelle (200), comprising a nautical-pitch-rate sensor (230) generating a nautical-pitch-rate signal (?) indicative of the nautical-pitch-rate of the wind turbine and a computational unit (240, 241) receiving turbine-state signals comprising the rotor-position signal (ß), the rotor-rotational-rate signal (O), and the nautical-pitch-rate signal (?).

    Abstract translation: 一种风力涡轮机,具有可旋转地附接到机舱(200)的轮毂(210),至少两个叶片(1,2,3)旋转地附接到轮毂(210)以允许叶片俯仰角(T 2)的变化, T2 T3)用于单独地控制每个叶片的叶片倾斜角(T 1,θ2 T3)的叶片倾斜系统(250),用于发出第一俯仰命令的监视控制单元,转子位置传感器(238) 指示转子方位角位置的转子位置信号(β),产生指示转子转速的转子转速信号(O)的转子转速传感器(236),以及支撑 (200),其包括产生指示所述风力涡轮机的海里俯仰率的航海俯仰率信号(α)的航海俯仰率传感器(230)和接收涡轮的计算单元(240,241) 包括转子位置信号(β),转子转速信号(O)和航海倾斜率信号(β)的状态信号。

    METHOD AND APPARATUS FOR DETERMINING LOADS OF A WIND TURBINE BLADE
    9.
    发明申请
    METHOD AND APPARATUS FOR DETERMINING LOADS OF A WIND TURBINE BLADE 审中-公开
    用于确定风力涡轮机叶片负载的方法和装置

    公开(公告)号:WO2012089545A1

    公开(公告)日:2012-07-05

    申请号:PCT/EP2011/073248

    申请日:2011-12-19

    Inventor: SKOVBY, Casper

    Abstract: Method and blade monitoring system for monitoring bending moment of a wind turbine blade (10). The method comprises obtaining a first sensor set signal indicative of a first bending moment at a first sensor position different from the tip (14) end along the longitudinal axis of the wind turbine blade, and estimating a bending moment at a first estimation position along the longitudinal axis based on the first sensor set signal, wherein the first sensor position is different from the first estimation position along the longitudinal axis. The blade monitoring system comprises a processing unit and an interface connected to the processing unit, the processing unit being configured for performing the method.

    Abstract translation: 用于监测风力涡轮机叶片(10)的弯矩的方法和叶片监控系统。 该方法包括获得第一传感器组信号,该第一传感器组信号指示沿着风力涡轮机叶片的纵向轴线不同于尖端(14)端的第一传感器位置处的第一弯曲力矩,并且沿着风力涡轮机叶片的第一估计位置估计弯矩 基于所述第一传感器设定信号的纵轴,其中所述第一传感器位置与所述纵向轴线的所述第一估计位置不同。 刀片监控系统包括处理单元和连接到处理单元的接口,处理单元被配置为执行该方法。

    METHOD AND SYSTEM FOR WIND GUST DETECTION IN A WIND TURBINE
    10.
    发明申请
    METHOD AND SYSTEM FOR WIND GUST DETECTION IN A WIND TURBINE 审中-公开
    用于风力涡轮机中风力检测的方法和系统

    公开(公告)号:WO2012044161A2

    公开(公告)日:2012-04-05

    申请号:PCT/NL2011/050650

    申请日:2011-09-27

    Abstract: A method for wind gust detection and classification in a wind turbine. The wind turbine includes a tower and a rotor provided with a number of rotor blades on a rotor axis. The rotor is arranged on the tower. The method includes a) collecting data of a mechanical loading condition of the wind turbine, the data being associated with at least two loads exerted on the construction of the wind turbine; b) converting the data to the associated loads e in a non-rotating reference frame; c) monitoring temporal evolutions of the loads, comprising: c1) determining steady state components of the loads; c2) obtaining residuals of the loads by removing the respective steady state component from the loads; d) detecting by a test condition if the temporal evolutions of the residuals indicate that a wind gust is evolving; e) classifying the wind gust in one of a plurality of predetermined wind gust classes based on predetermined characteristics for the temporal evolutions of the residuals of the loads; f) based on the result of the classification, generating signals for adjusting the operation of the wind turbine.

    Abstract translation:

    一种用于风力涡轮机中的阵风检测和分类的方法。 风力涡轮机包括塔架和在转子轴线上设置有多个转子叶片的转子。 转子安装在塔架上。 该方法包括:a)收集风力涡轮机的机械负载状况的数据,该数据与施加在风力涡轮机的构造上的至少两个负载相关联; b)将数据转换为非旋转参考系中的相关负载e; c)监测负载的时间演变,包括:c1)确定负载的稳态分量; c2)通过从负载中移除相应的稳态分量来获得负载的残差; d)通过测试条件检测残差的时间演变是否指示阵风正在演变; e)基于负载残差的时间演变的预定特性,将阵风分类为多个预定阵风类型之一; f)基于分类结果,产生用于调整风力涡轮机操作的信号。

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