METHOD FOR OPERATING A WIND FARM, WIND FARM CONTROLLER AND WIND FARM
    41.
    发明申请
    METHOD FOR OPERATING A WIND FARM, WIND FARM CONTROLLER AND WIND FARM 有权
    风力发电机,风电控制器和风力发电机的运行方法

    公开(公告)号:US20130249215A1

    公开(公告)日:2013-09-26

    申请号:US13613513

    申请日:2012-09-13

    IPC分类号: H02P9/02

    摘要: The disclosure concerns a method for operating a wind farm, the wind farm includes a wind turbine, and an energy storage device, the wind farm being connected to an external grid, the method comprising determining a demanded active power, determining a demanded reactive power, determining power production of the wind turbine, and charging the energy storage device, when the power production is above the demanded active power, the demanded reactive power, or the vector sum of demanded active power and demanded reactive power. Furthermore, corresponding wind farm controllers, wind farms, program elements, and computer readable media are subject of the current disclosure.

    摘要翻译: 本公开涉及一种用于操作风电场的方法,风力发电场包括风力涡轮机,以及能量存储装置,所述风力发电场连接到外部电网,所述方法包括确定所需有功功率,确定所需无功功率, 当功率生产高于所需有功功率,所需无功功率或所需有功功率和所需无功功率的矢量和时,确定风力涡轮机的功率生产和对能量存储装置的充电。 此外,相应的风电场控制器,风力发电场,程序元件和计算机可读介质是本公开的主题。

    METHOD, PARK CONTROLLER AND PROGRAM ELEMENT FOR CONTROLLING A WIND FARM
    42.
    发明申请
    METHOD, PARK CONTROLLER AND PROGRAM ELEMENT FOR CONTROLLING A WIND FARM 有权
    方法,停车控制器和控制风力发电机的程序元素

    公开(公告)号:US20130161949A1

    公开(公告)日:2013-06-27

    申请号:US13533161

    申请日:2012-06-26

    IPC分类号: F03D7/00

    摘要: The disclosure relates to a method for controlling a wind farm, the wind farm includes at least two wind turbines, the method includes determining the required power, determining fatigue load versus power curves for each wind turbine, and based on the determined fatigue load versus power curves attributing different power settings to the wind turbines such that sum of the power settings of all wind turbines is equal to the required power. Furthermore, the invention concerns a park controller for controlling a wind farm and a program element for controlling a wind farm.

    摘要翻译: 本公开涉及一种用于控制风力发电场的方法,所述风力发电场包括至少两个风力涡轮机,所述方法包括确定所需功率,确定每个风力涡轮机的疲劳负载与功率曲线,并且基于所确定的疲劳负载对功率 曲线将不同的功率设置归因于风力涡轮机,使得所有风力涡轮机的功率设置的总和等于所需功率。 此外,本发明涉及一种用于控制风电场的停放控制器和用于控制风电场的程序元件。

    Asynchronous power generator for a wind turbine
    43.
    发明授权
    Asynchronous power generator for a wind turbine 有权
    用于风力发电机的异步发电机

    公开(公告)号:US08461709B2

    公开(公告)日:2013-06-11

    申请号:US13062257

    申请日:2009-08-19

    IPC分类号: H02P9/48

    摘要: An asynchronous power generator for a wind turbine is provided. The asynchronous power generator includes a voltage supply and a stator with stator coils supplied with an alternating voltage by the voltage supply. The voltage supply is configured to adjust the voltage supplied to the stator coils based upon an output power generated by the wind turbine. Further, a method of voltage control is provided.

    摘要翻译: 提供了一种用于风力涡轮机的异步发电机。 异步发电机包括电压源和定子,定子线圈通过电压供给交流电压。 电压源被配置为基于由风力涡轮机产生的输出功率来调节提供给定子线圈的电压。 此外,提供了电压控制的方法。

    Black Start of Wind Turbine Devices
    44.
    发明申请
    Black Start of Wind Turbine Devices 有权
    风力发电设备的黑色启动

    公开(公告)号:US20120261917A1

    公开(公告)日:2012-10-18

    申请号:US13087505

    申请日:2011-04-15

    IPC分类号: H02P9/04

    摘要: A wind turbine device having in one embodiment a diesel generator to initialize a black start in case of a blackout of an electricity network is disclosed. For performing the black start, the diesel generator provides a predetermined voltage to a power output of the wind turbine device in order to imitate the electricity network in its running state. A wind park is also disclosed, the wind park having in one embodiment at least two wind turbine devices. In one embodiment a wind park controller provides the same reference value for the phase angle φ for the at least two turbines.

    摘要翻译: 一种风力涡轮机装置,在一个实施例中,公开了在电力网络中断的情况下初始化黑色起动的柴油发电机。 为了执行黑启动,柴油发电机为风力涡轮机装置的功率输出提供预定电压,以便模拟运行状态下的电网。 还公开了风力发电场,风力发电场在一个实施例中至少有两个风力涡轮机装置。 在一个实施例中,风力场控制器为相位角&phgr; 对于至少两个涡轮机。

    Wind turbine and method of determining at least one rotation parameter of a wind turbine rotor
    46.
    发明授权
    Wind turbine and method of determining at least one rotation parameter of a wind turbine rotor 有权
    风力涡轮机和确定风力涡轮机转子的至少一个旋转参数的方法

    公开(公告)号:US08246304B2

    公开(公告)日:2012-08-21

    申请号:US13288200

    申请日:2011-11-03

    申请人: Per Egedal

    发明人: Per Egedal

    IPC分类号: F03B3/12

    摘要: A method of determining at least one rotation parameter of a wind turbine rotor rotating with a rotation speed and a phase is provided. The method includes: measuring an effective centrifugal force acting in a first pre-determined direction, which is defined in a co-ordinate system rotating synchronously with the rotor, on at least one reference object located in or at the rotor, establishing a first angular frequency representing the rotation speed of the rotor on the basis of variations in the measured effective centrifugal force due to gravitational force, establishing a second angular frequency representing the rotation speed of the rotor by use of at least one yaw rate gyro, and establishing the value of the rotation speed as the rotational parameter by correcting the second angular frequency by comparing it to the first angular frequency.

    摘要翻译: 提供一种确定以转速和相位旋转的风力涡轮机转子的至少一个旋转参数的方法。 该方法包括:测量在位于转子或转子上的至少一个参考对象上在与转子同步旋转的坐标系中限定的第一预定方向上作用的有效离心力,建立第一角度 基于由重力引起的测量的有效离心力的变化,表示转子的转速的频率,通过使用至少一个偏航率陀螺仪建立表示转子的转速的第二角频率,并建立值 作为旋转参数,通过将第二角频率与第一角频率进行比较来校正第二角频率。

    Method and arrangement for damping of tower-oscillations
    47.
    发明授权
    Method and arrangement for damping of tower-oscillations 有权
    塔振荡阻尼方法和布置

    公开(公告)号:US08242617B2

    公开(公告)日:2012-08-14

    申请号:US12502550

    申请日:2009-07-14

    IPC分类号: F03D9/00 H02P9/04

    摘要: A method and an arrangement for the damping of tower-oscillations are provided. The method for the damping of tower-oscillations includes transforming a rotation into electrical power using a generator, which is located on top of the tower. The electrical power is transformed from AC to DC and back to AC by a converter. A power-reference-signal is used by the converter to control the delivered electrical power. A variable power-offset-signal is added to the power-reference-signal before it is used for the control. The variable power-offset-signal is based on a mean value of the power-reference-signal and a side-to-side-oscillation of the tower.

    摘要翻译: 提供了一种用于阻尼塔振荡的方法和装置。 用于阻尼塔振荡的方法包括使用位于塔顶部的发电机将旋转转换成电力。 电力由交流转换为直流电并通过转换器转换回交流电。 转换器使用电源参考信号来控制传送的电力。 在将其用于控制​​之前,将可变功率偏移信号添加到电源参考信号。 可变功率偏移信号基于功率参考信号的平均值和塔的侧向振荡。

    Method for balancing a rotor mounted on a hub of a wind turbine
    48.
    发明申请
    Method for balancing a rotor mounted on a hub of a wind turbine 审中-公开
    用于平衡安装在风力涡轮机的轮毂上的转子的方法

    公开(公告)号:US20120186343A1

    公开(公告)日:2012-07-26

    申请号:US13497075

    申请日:2009-09-21

    申请人: Per Egedal

    发明人: Per Egedal

    IPC分类号: G01M1/22 G01M1/32

    CPC分类号: G01M1/36 F03D13/35 Y02E10/72

    摘要: It is described a method for balancing a rotor mounted on a hub of a wind turbine. The method includes measuring a parameter value of a parameter being indicative of the revolution frequency components of the rotor and/or of a generator of the wind turbine during operation of the wind turbine, calculating a change of the spatial mass distribution of the rotor based on the parameter value of the parameter, which change is needed for balancing the rotor, and balancing the spatial mass distribution of the rotor by using at least one balancing weight element being attachable to at least one blade of the rotor based on the calculated change of the spatial mass distribution. It is further described a system for balancing a rotor, a wind turbine, a computer program and a computer-readable medium, which are all adapted for carrying out the above described balancing method.

    摘要翻译: 描述了一种用于平衡安装在风力涡轮机的轮毂上的转子的方法。 该方法包括测量在风力涡轮机运行期间指示转子和/或风力涡轮机的发电机的转频分量的参数的参数值,计算转子的空间质量分布的变化,基于 所述参数的参数值,其用于平衡转子所需的变化,以及通过使用至少一个平衡重量元件平衡转子的空间质量分布,所述至少一个平衡重量元件可基于计算出的转子的改变而附接到所述转子的至少一个叶片 空间质量分布。 进一步描述了用于平衡转子,风力涡轮机,计算机程序和计算机可读介质的系统,其均适于执行上述平衡方法。

    METHOD FOR REDUCING VIBRATIONS OF A WIND TURBINE AND CONTROL SYSTEM FOR REDUCING VIBRATIONS
    49.
    发明申请
    METHOD FOR REDUCING VIBRATIONS OF A WIND TURBINE AND CONTROL SYSTEM FOR REDUCING VIBRATIONS 有权
    降低风力涡轮机振动的方法和减少振动的控制系统

    公开(公告)号:US20120146331A1

    公开(公告)日:2012-06-14

    申请号:US13306059

    申请日:2011-11-29

    IPC分类号: H02P9/04

    摘要: A method for reducing vibrations of a wind turbine includes a plurality of set points characterizing set values of operation parameters of the wind turbine. The method includes measuring an acceleration force value corresponding to acceleration forces acting on the turbine, and determining whether the measured acceleration force value is above a predetermined threshold value. Furthermore, in case it is determined that the acceleration force value is above the predetermined threshold value, the set point value of at least one set point of the plurality of set points is modified in order to reduce the vibrations in such a way that a power output of the wind turbine is not reduced.

    摘要翻译: 减少风力涡轮机的振动的方法包括表征风力涡轮机的运行参数的设定值的多个设定点。 该方法包括测量对应于作用在涡轮机上的加速力的加速力值,并且确定所测量的加速力值是否高于预定阈值。 此外,在确定加速力值高于预定阈值的情况下,修改多个设定点中的至少一个设定点的设定值,以便减少振动,使得功率 风力涡轮机的输出不减少。