公开(公告)号：US08154139B2

公开(公告)日：2012-04-10

申请号：US12288526

申请日：2008-10-21

申请人： Per Egedal

发明人： Per Egedal

IPC分类号： F03D9/00

CPC分类号： F03D80/10 ,  F05B2240/96 ,  Y02E10/72

摘要： Method for controlling the rotational speeds of wind turbines, including determining the rotor rotational speed of a first and a second wind turbine; determining the rotor azimuth angle of the first and the second wind turbine; calculating a speed control value for the first wind turbine, based on the determined rotor azimuth angles and rotor rotational speeds; adjusting the rotor rotational speed of the first wind turbine according to its speed control value, wherein the speed control value is calculated such that the rotor azimuth angle of the first wind turbine is equal to the rotor azimuth angle of the second wind turbine after speed adjustment, and a wind turbine control master unit, a wind turbine control slave unit, a wind turbine control device, a signal light control module, and a wind turbine therefor.

摘要翻译： 用于控制风力涡轮机的转速的方法，包括确定第一和第二风力涡轮机的转子转速; 确定第一和第二风力涡轮机的转子方位角; 基于确定的转子方位角和转子旋转速度来计算第一风力涡轮机的速度控制值; 根据其速度控制值调整第一风力涡轮机的转子转速，其中计算速度控制值，使得第一风力涡轮机的转子方位角等于速度调节后的第二风力涡轮机的转子方位角 以及风力涡轮机控制主单元，风力发电机控制从单元，风力发电机控制装置，信号灯控制模块及其风力涡轮机。

公开(公告)号：US20120049522A1

公开(公告)日：2012-03-01

申请号：US13291165

申请日：2011-11-08

申请人： Per Egedal

发明人： Per Egedal

IPC分类号： H02P9/04

CPC分类号： F03D13/10 ,  F03D13/20 ,  F03D13/22 ,  F03D80/50 ,  F05B2230/60 ,  F05B2230/61 ,  Y02E10/721 ,  Y02E10/728 ,  Y02P70/523

摘要： A control device is provided. The control device not permanently belonging to the wind turbine wherein the control device is connected to a communication interface of the first component for supporting the mounting of the first component and a second component of the wind turbine with each other and/or for the purpose of service of the wind turbine.

摘要翻译： 提供控制装置。 控制装置不是永久属于风力涡轮机，其中控制装置连接到第一部件的通信接口，用于支撑第一部件的安装和风力涡轮机的第二部件的彼此和/或用于 风力发电机的服务。

公开(公告)号：US08039981B2

公开(公告)日：2011-10-18

申请号：US12672532

申请日：2008-08-07

申请人： Per Egedal ,  Henrik Stiesdal

发明人： Per Egedal ,  Henrik Stiesdal

IPC分类号： F03D9/00 ,  H02P9/04 ,  F03B13/00 ,  F03B13/10

CPC分类号： G05B23/0237 ,  F03D17/00 ,  F05B2270/807 ,  G01H1/006

摘要： A method for monitoring blade frequencies of a wind turbine and a monitoring system are provided. An accelerometer is attached to a rotating hub of a wind turbine measuring vibrations of the hub. To extract vibration signals originating from each blade, the vibration signals are combined with measuring signals from the azimuth angle sensor. Alternatively, the azimuth angle is found by using the measured accelerations in two directions representing the centrifugal forces and vibrating forces of the hub and feeding these signals into a phase locked loop unit establishing a phase of the rotating hub representing the azimuth angle. To extract each blade frequency, a Fast Fourier Transformation is used on the signals from the accelerometer. To monitor a severe change in each blade frequency, each blade frequency is compared to other blade frequencies and an alarm is set when a given level is reached and the wind turbine is stopped.

公开(公告)号：US20110006525A1

公开(公告)日：2011-01-13

申请号：US12600095

申请日：2008-04-28

申请人： Jochen Cleve ,  Per Egedal ,  Peder Bay Enevoldsen ,  Martin Greiner ,  Soren Hjort ,  Esther Meyer

发明人： Jochen Cleve ,  Per Egedal ,  Peder Bay Enevoldsen ,  Martin Greiner ,  Soren Hjort ,  Esther Meyer

IPC分类号： H02P9/04

CPC分类号： F03D7/048 ,  F03D7/043 ,  F05B2270/1033 ,  F05B2270/20 ,  F05B2270/32 ,  F05B2270/321 ,  Y02E10/723

摘要： A method and a device for operating a wind farm with a plurality of wind turbines are provided. According to the method, operating parameters of the wind turbines of the wind farm are adjusted according to an optimization goal, the optimization goal being the maximum value of the total output of the wind farm produced from the sum of all individual outputs of the wind turbines. The optimization goal differs from conventional optimization goals where the respective individual outputs of the wind turbines are optimized without taking the overall output into consideration.

摘要翻译： 提供了一种用于操作具有多个风力涡轮机的风力发电场的方法和装置。 根据该方法，根据优化目标调整风电场的风力发电机的运行参数，优化目标是从风力发电机的所有单独输出的总和产生的风力发电场总输出的最大值 。 优化目标不同于常规优化目标，其中优化风力涡轮机的各个输出，而不考虑总体输出。

公开(公告)号：US20100140941A1

公开(公告)日：2010-06-10

申请号：US12632233

申请日：2009-12-07

申请人： Per Egedal ,  Ole Kjaer

发明人： Per Egedal ,  Ole Kjaer

IPC分类号： F03D7/00 ,  F03D9/00

CPC分类号： F03D7/0276 ,  F03D7/0224 ,  F03D7/044 ,  F03D7/046 ,  F05B2270/101 ,  F05B2270/1071 ,  F05B2270/304 ,  F05B2270/309 ,  F05B2270/327 ,  F05B2270/337 ,  F05B2270/705 ,  Y02E10/723 ,  Y02E10/725

摘要： A rotational speed controlling device for a wind turbine is provided. The controlling device includes a first input node for receiving a first signal, indicative of an actual rotational speed of the rotor, a second input node for receiving a second signal, indicative of a reference rotational speed for the rotor, a detection unit for detecting a defective operational state in which the wind turbine is impeded to export electrical power to an electricity network, a control unit for providing a reference signal for a characteristic operational parameter of the wind turbine based on the first signal and the second signal, and a pulse generator adapted to send a kick pulse to an integral control element of the control unit in response to the detection of the defective operational state. The characteristic operational parameter is indicative of the rotational speed of the rotor.

摘要翻译： 提供了一种用于风力涡轮机的转速控制装置。 控制装置包括：第一输入节点，用于接收指示转子的实际转速的第一信号;第二输入节点，用于接收指示转子的参考转速的第二信号;检测单元，用于检测转子 控制单元，用于基于第一信号和第二信号为风力涡轮机的特征操作参数提供参考信号;以及脉冲发生器，其中，所述风力涡轮机被阻止向电力网络输出电力;控制单元， 适于响应于所述不良操作状态的检测而向所述控制单元的整体控制元件发送踢动脉冲。 特征操作参数表示转子的转速。

公开(公告)号：US20100090464A1

公开(公告)日：2010-04-15

申请号：US12575617

申请日：2009-10-08

申请人： Per Egedal

发明人： Per Egedal

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

CPC分类号： F03D7/042 ,  F03B13/10 ,  F03B13/105 ,  F03B13/16 ,  F03B13/262 ,  F03B13/268 ,  F03B17/06 ,  F03D7/0224 ,  F03D13/10 ,  F05B2270/1033 ,  F05B2270/20 ,  F05B2270/328 ,  F05B2270/802 ,  Y02E10/28 ,  Y02E10/38 ,  Y02E10/721 ,  Y02E10/723

摘要： It is described a method of determining a quality of an initial value for a blade pitch angle. An initial power captured by a wind turbine is measured, while the blade pitch angle has the initial value. The blade pitch angle is changed from the initial value to a first value in a first direction. A first power captured by the wind turbine is measured and the blade pitch angle is changed to a second value in a second direction being opposite to the first direction. Further, a second power captured by the wind turbine is measured, a power difference between the first power and the second power is calculated, and the quality of the initial value based on the calculated power difference is determined. Further, a control system, a wind turbine and a computer program are described.

摘要翻译： 描述了确定叶片桨距角的初始值的质量的方法。 测量由风力涡轮机捕获的初始功率，而叶片俯仰角具有初始值。 叶片俯仰角在第一方向上从初始值变为第一值。 测量由风力涡轮机捕获的第一功率，并且叶片俯仰角在与第一方向相反的第二方向上改变为第二值。 此外，测量由风力涡轮机捕获的第二功率，计算第一功率和第二功率之间的功率差，并且确定基于所计算的功率差的初始值的质量。 此外，描述了控制系统，风力涡轮机和计算机程序。

公开(公告)号：US20090292397A1

公开(公告)日：2009-11-26

申请号：US12465709

申请日：2009-05-14

申请人： Martin Bjerge ,  Per Egedal

发明人： Martin Bjerge ,  Per Egedal

IPC分类号： G05D19/02 ,  H02P9/04 ,  G06F1/26

CPC分类号： F03D7/0272 ,  F03D7/0276 ,  F03D7/0296 ,  F03D7/042 ,  F05B2260/903 ,  F05B2260/96 ,  F05B2270/1095 ,  F05B2270/304 ,  F05B2270/327 ,  H02P9/006 ,  H02P2101/15 ,  Y02E10/723 ,  Y10S416/50

摘要： A method of damping tower oscillation in a wind turbine is provided. The method includes the steps of determining a rotor rotational speed of the wind turbine and controlling the rotor rotational speed such that a critical rotor speed is avoided, characterized in that it further comprises the following steps: selecting at least one input parameter value; selecting, according to the input parameter value, an operation mode for controlling the rotor rotational speed, wherein the operation mode is selected from a set of modes comprising a mode of auto tune operation; on the condition of the selected operation mode comprising the mode of auto tune operation, performing the following steps: detecting the tower oscillation frequency; calculating the critical rotor speed based on the detected tower oscillation frequency and controlling the rotor rotational speed to avoid the calculated critical rotor speed. An apparatus and a computer program product are also provided.

摘要翻译： 提供了一种在风力涡轮机中抑制塔架振荡的方法。 该方法包括以下步骤：确定风力涡轮机的转子转速并控制转子转速使得避免临界转子速度，其特征在于还包括以下步骤：选择至少一个输入参数值; 根据输入参数值选择用于控制转子旋转速度的操作模式，其中所述操作模式是从包括自动调谐操作模式的一组模式中选择的; 在包括自动调谐模式的所选择的操作模式的条件下，执行以下步骤：检测塔架振荡频率; 基于检测到的塔架振荡频率计算临界转子转速，并控制转子转速以避免计算的临界转子转速。 还提供了一种装置和计算机程序产品。

公开(公告)号：US20090257873A1

公开(公告)日：2009-10-15

申请号：US12386076

申请日：2009-04-14

申请人： Per Egedal ,  Rune Rubak ,  Henrik Stiesdal

发明人： Per Egedal ,  Rune Rubak ,  Henrik Stiesdal

IPC分类号： F03D7/00

CPC分类号： F03D7/046 ,  F03D7/022 ,  F05B2260/821 ,  F05B2270/32 ,  F05B2270/321 ,  F05B2270/329 ,  F05B2270/331 ,  F05B2270/404 ,  Y02E10/723

摘要： A method an apparatus of automatically controlling a wind turbine re provided. of: A time-series of measurement values of the aerodynamic flow property of the wind turbine rotor blade is determined; a predictive wind field model representing a structure of a wind field acting on the wind turbine rotor blade is generated based on the time-series of measurement values, and a control value is generated based on the wind-field model.

摘要翻译： 一种提供自动控制风力涡轮机的装置的方法。 确定风力涡轮机转子叶片的空气动力学流动性的时间序列的测量值; 基于测量值的时间序列生成表示作用在风力涡轮机转子叶片上的风场的结构的预测风场模型，并且基于风场模型生成控制值。

公开(公告)号：US20090230682A1

公开(公告)日：2009-09-17

申请号：US12381496

申请日：2009-03-12

申请人： Martin Bjerge ,  Per Egedal

发明人： Martin Bjerge ,  Per Egedal

IPC分类号： H02P9/04

CPC分类号： G01H13/00 ,  F03D13/20 ,  F05B2260/80 ,  F05B2260/83 ,  F05B2260/96 ,  Y02E10/728

摘要： An apparatus for determining a resonant frequency of a wind turbine tower is provided. The apparatus includes a processing unit configured to receive an acceleration measurement value, the acceleration measurement value representative of the acceleration of the wind turbine tower in the direction parallel to a rotor rotational axis of the wind turbine and/or in the direction perpendicular to both the rotor rotational axis and the tower axis of the wind turbine. The apparatus includes a memory configured to store a series of acceleration measurement values, and the processing unit includes a Fourier transform module configured to calculate a spectral vector based on calculating a convolution-based fast Fourier transform of the series of acceleration measurement values, and includes a resonant frequency calculation module configured to calculate the tower resonant frequency based on the calculated spectral vector.

摘要翻译： 提供了一种用于确定风力涡轮机塔架的谐振频率的装置。 该装置包括处理单元，其被配置为接收加速度测量值，加速度测量值代表风力涡轮机塔架在与风力涡轮机的转子旋转轴线平行的方向上的加速度和/或垂直于风力涡轮机的方向的方向 转子旋转轴和风力涡轮机的塔轴。 该装置包括被配置为存储一系列加速度测量值的存储器，并且处理单元包括傅里叶变换模块，其被配置为基于计算一系列加速度测量值的基于卷积的快速傅里叶变换来计算频谱矢量，并且包括 谐振频率计算模块，被配置为基于所计算的频谱矢量来计算塔架谐振频率。

公开(公告)号：US20090047130A1

公开(公告)日：2009-02-19

申请号：US12224901

申请日：2007-01-03

申请人： Per Egedal

发明人： Per Egedal

IPC分类号： F03D11/00 ,  G01P3/16 ,  G01P3/22 ,  G01P3/44

CPC分类号： G01P3/22 ,  F03D17/00 ,  F05B2260/821 ,  F05B2270/101 ,  F05B2270/327 ,  F05B2270/329 ,  F05B2270/807 ,  G01P3/16 ,  G01P3/44 ,  G01P21/02

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 comprises the steps of: 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。 该方法包括以下步骤：测量在位于转子或转子上的至少一个参考对象上，以与转子同步旋转的坐标系定义的第一预定方向作用的有效离心力，建立 基于由重力引起的测量的有效离心力的变化，表示转子的旋转速度的第一角频率，通过使用至少一个偏航率陀螺仪建立表示转子旋转速度的第二角频率，以及 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来建立旋转速度的值作为旋转参数。