公开(公告)号：US20130033040A1

公开(公告)日：2013-02-07

申请号：US13518803

申请日：2010-12-21

Applicant: Robert Bowyer ,  Christopher Spruce ,  Justin Creaby ,  Jens Jakob Wedel-Heinen

Inventor： Robert Bowyer ,  Christopher Spruce ,  Justin Creaby ,  Jens Jakob Wedel-Heinen

IPC: H02P9/04

CPC classification number: F03D7/043 ,  F03D7/028 ,  F05B2260/82 ,  F05B2270/1095 ,  F05B2270/32 ,  F05B2270/321 ,  F05B2270/322 ,  F05B2270/8042 ,  Y02E10/723

Abstract: A wind turbine has a Lidar device to sense wind conditions upstream of the wind turbine. Signals from the wind turbine are processed to detect an extreme event. On detection the system controller takes the necessary evasive action depending on the nature and severity of the extreme condition detected. This may include a significant reduction in power generated, complete shutdown of the generator and yawing of the nacelle and rotor to reduce loading on the rotor blades.

Abstract translation: 风力涡轮机具有用于感测风力涡轮机上游的风力条件的激光雷达装置。 来自风力涡轮机的信号被处理以检测极端事件。 在检测时，系统控制器根据检测到的极端条件的性质和严重程度采取必要的回避措施。 这可能包括产生的功率的显着减少，发电机的完全关闭和机舱和转子的偏航以减少转子叶片上的负载。

公开(公告)号：US20130015662A1

公开(公告)日：2013-01-17

申请号：US13637902

申请日：2011-02-09

Applicant: Fabio Bertolotti ,  Jens Van Schelve

Inventor： Fabio Bertolotti ,  Jens Van Schelve

IPC: H02P9/04

CPC classification number: F03D11/0091 ,  F03D7/028 ,  F03D7/043 ,  F03D17/00 ,  F05B2260/821 ,  F05B2270/32 ,  F05B2270/321 ,  F05B2270/324 ,  F05B2270/325 ,  F05B2270/327 ,  F05B2270/335 ,  Y02E10/721 ,  Y02E10/722 ,  Y02E10/723

Abstract: The invention relates to a control device for a wind power plant having an electrical system and a rotor including a plurality of rotor blades driven by wind, and outputting a mechanical rotor power to the electrical system. The system converts the mechanical rotor power at least partially into electrical power. The control device includes a blade sensor associated with at least one of the rotor blades and measuring at least one physical property of the rotor blade dependent on at least one characteristic value of a wind field describing the wind at the location of the rotor. The blade sensor generates a blade sensor signal characterizing the physical property. The control device also includes an estimation unit to determine an estimated value for the electrical power as a function of the blade sensor signal.

Abstract translation: 本发明涉及一种用于风力发电厂的控制装置，其具有电气系统和转子，该转子包括由风驱动的多个转子叶片，并将机械转子动力输出到电气系统。 该系统将机械转子功率至少部分转换成电力。 控制装置包括与至少一个转子叶片相关联的叶片传感器，并且根据描述转子位置处的风的风场的至少一个特征值来测量转子叶片的至少一个物理特性。 叶片传感器产生表征物理特性的叶片传感器信号。 控制装置还包括估计单元，用于根据叶片传感器信号确定电功率的估计值。

公开(公告)号：US08355825B2

公开(公告)日：2013-01-15

申请号：US12743444

申请日：2008-11-19

Applicant: Oscar Alonso Sádaba ,  Ricardo Royo García ,  Miguel Núnez Polo

Inventor： Oscar Alonso Sádaba ,  Ricardo Royo García ,  Miguel Núnez Polo

IPC: F03D9/00 ,  H02P9/04 ,  G05B19/18 ,  G05B15/02 ,  G05B11/01 ,  G05B13/02 ,  G05B15/00 ,  G05D3/12 ,  G05D5/00 ,  G05D9/00

CPC classification number: H04L12/403 ,  F03D7/043 ,  F03D7/047 ,  F03D7/048 ,  H02J3/386 ,  H04L2012/4026 ,  Y02E10/723 ,  Y02E10/763

Abstract: Wind farm, of the kind that comprises a series of wind turbine generators, which consist of a rotor, a generator, a control unit and means of connection to the computing network for the wind farm of which they form part, in such a way that at least two of the wind turbine generators in the farm can assume a leader hierarchy for the wind farm, accessing the operating data of the rest of the wind turbine generators, calculating and sending instructions to the rest of the wind turbine generators making up that wind farm, and a subject hierarchy, receiving and following the instructions coming from the leader wind turbine generator of the wind farm.

Abstract translation: 包括一系列风力涡轮发电机的风力发电场，其由转子，发电机，控制单元和与其组成的风电场的计算网络的连接装置组成，其方式如下： 农场中的风力涡轮发电机中的至少两个可以承担用于风力发电场的领导层级，访问风力涡轮发电机的其余部分的运行数据，计算并发送构成该风的风力涡轮发电机的其余部分的指令 农场和主体层级，接收并遵循来自风力发电场的领导风力发电机的指令。

公开(公告)号：US08301310B2

公开(公告)日：2012-10-30

申请号：US12300178

申请日：2007-05-29

Applicant: Erik Nim

Inventor： Erik Nim

IPC: G05D11/00

CPC classification number: F03D7/043 ,  F03D7/0224 ,  F05B2270/309 ,  F05B2270/322 ,  F05B2270/327 ,  G01S17/95 ,  Y02A90/19 ,  Y02E10/723

Abstract: Operation method for a variable speed wind turbine which comprises control methods for blade pitch in cases of extreme gusts of wind, characterized by the fact that it is comprised of the following steps: a) detection of the presence of an extreme gust of wind; b) performance of a sudden increase in pitch within the range of 6 to 14 degrees at the maximum speed permitted by the wind turbine blade pitch control mechanisms. The method also includes an additional step; c) vary the generator speed to avoid an increased acceleration of the generator which could make a subsequent step b) necessary.

Abstract translation: 一种变速风力发电机的运行方法，其特征在于包括以下步骤：a）检测出极端阵风; b）在风力涡轮机叶片桨距控制机构允许的最大速度下，在6至14度的范围内突然增加桨距。 该方法还包括附加步骤; c）改变发电机速度以避免发电机的增加的加速度，这可能使后续的步骤b）是必要的。

公开(公告)号：US20120230821A1

公开(公告)日：2012-09-13

申请号：US13411844

申请日：2012-03-05

Applicant: WEI HOU ,  Jiafei Gan ,  Ying Wang

Inventor： WEI HOU ,  Jiafei Gan ,  Ying Wang

IPC: F03D11/00

CPC classification number: F03D7/043 ,  F03D7/028 ,  F05B2260/821 ,  F05B2270/335 ,  G01W1/10 ,  Y02E10/723

Abstract: The present invention discloses a wind power prediction method for a single wind turbine generator, comprising: extracting a plurality of data fragments, each of which has a length of L, from a historical database to determine a feature fragment core library before a current time point T, wherein L is an integer greater than or equal to one; clustering the feature fragment core library to form w cluster subsets and w cluster centers with the adoption of a clustering algorithm, wherein w is an integer greater than or equal to one; and determining power P (T+1) at a time-point T+1 to be predicted according to the w cluster centers and a center of a current time fragment, the current time fragment representing a time period from time point T-Z to time point T, wherein Z is a step number and 1≦Z≦L.

Abstract translation: 本发明公开了一种用于单个风力涡轮发电机的风力预测方法，包括：从历史数据库提取多个长度为L的数据片段，以在当前时间点之前确定特征片段核心库 T，其中L是大于或等于1的整数; 通过采用聚类算法对特征片段核心库进行聚类以形成w群集子集和w群集中心，其中w是大于或等于1的整数; 以及根据w个群集中心和当前时间片段的中心来确定在时间点T + 1处的时间点T + 1的功率P（T + 1），表示从时间点TZ到时间点的时间段的当前时间片段 T，其中Z是步数，1＆nlE; Z＆nlE; L。

公开(公告)号：US20120211985A1

公开(公告)日：2012-08-23

申请号：US13463954

申请日：2012-05-04

Applicant: Thomas Siebers ,  Henk-Jan Kooijman

Inventor： Thomas Siebers ,  Henk-Jan Kooijman

IPC: H02P9/00

CPC classification number: F03D7/02 ,  F03D7/026 ,  F03D7/043 ,  F05B2260/821 ,  F05B2270/32 ,  F05B2270/321 ,  F05B2270/323 ,  F05B2270/324 ,  F05B2270/325 ,  F05B2270/327 ,  F05B2270/328 ,  F05B2270/331 ,  F05B2270/335 ,  Y02E10/723 ,  Y02E10/726

Abstract: A method for controlling a wind energy system is provided wherein the method comprises determining the effective wind speed taking into account the load on the rotor blades of said wind energy system exerted by the wind is provided. A computer-readable medium is provided that provides instructions which when executed by a computing platform cause the computing platform to perform operations wherein the operations include the method according to embodiments described herein. Further, a wind energy system having a calculation unit adapted for calculating the effective wind speed by taking into account the load on the rotor blades of said wind energy system exerted by the wind is provided. Further, a wind speed sensor free wind energy system having a generator for generating electric energy and a controller for shutting down and/or starting the electric energy generation in dependence of the wind speed is provided.

Abstract translation: 提供了一种用于控制风能系统的方法，其中所述方法包括确定考虑到由风施加的所述风能系统的转子叶片上的负载的有效风速。 提供了一种计算机可读介质，其提供当由计算平台执行时使计算平台执行操作的指令，其中操作包括根据本文描述的实施例的方法。 此外，提供一种具有计算单元的风能系统，该计算单元适于通过考虑由风施加的所述风能系统的转子叶片上的负载来计算有效风速。 此外，提供了具有用于产生电能的发生器的风速传感器自由风能系统和用于根据风速关闭和/或启动电能产生的控制器。

公开(公告)号：US08240990B2

公开(公告)日：2012-08-14

申请号：US11952073

申请日：2007-12-06

Applicant: Leonardo Cesar Kammer ,  Hubert Oing

Inventor： Leonardo Cesar Kammer ,  Hubert Oing

IPC: F03D7/04 ,  B63H3/00

CPC classification number: F03D7/024 ,  F03D7/0224 ,  F03D7/0264 ,  F03D7/043 ,  F05B2270/328 ,  Y02E10/723

Abstract: An apparatus and method for reducing asymmetric rotor load in a wind turbine includes calculating a time delay for pitching each blade toward feather upon initiation of a shutdown condition. The blades with the larger blade angle begin moving toward feather with an initial pitch rate, while the blade with the smallest blade angle begins moving toward feather with a final pitch rate. Once all the blades have reached approximately an identical blade angle, the blades move simultaneously together to feather at the final pitch rate. By introducing the time delay for pitching the blades having higher blade angles at the final pitch rate, a simple, time-based correction of initial conditions during shutdown reduces the extreme loads on turbine components.

Abstract translation: 用于减小风力涡轮机中的不对称转子负载的装置和方法包括计算在关闭状态开始时将每个叶片俯仰的时间延迟。 具有较大叶片角度的叶片以初始俯仰速率开始向羽毛移动，而具有最小叶片角度的叶片以最终俯仰速率开始向羽毛移动。 一旦所有叶片已经达到大致相同的叶片角度，叶片同时移动到一起以最终俯仰速率羽毛。 通过引入用于以最终俯仰速率俯仰具有较高叶片角度的叶片的时间延迟，在关机期间对初始条件的简单的基于时间的校正减少了涡轮机部件上的极限载荷。

公开(公告)号：US20120161442A1

公开(公告)日：2012-06-28

申请号：US13119186

申请日：2009-09-02

Applicant: Peter Chapple

Inventor： Peter Chapple

IPC: H02P9/06 ,  F03D11/02

CPC classification number: F03D7/0276 ,  F03D7/043 ,  F05B2270/1014 ,  F05B2270/327 ,  Y02E10/723

Abstract: A closed loop turbine speed control system for a turbine power production system including a closed loop hydrostatic transmission system for the transfer of energy from a wind turbine rotor to a generator. A displacement actuator is arranged for receiving a displacement control signal from the control system and for controlling a displacement of the displacement motor. The control system includes a turbine rotor speed feedback control loop for calculating the displacement control signal based on deviations of a turbine rotor actual rotational speed from a turbine rotor set rotational speed. In addition a hydraulic pressure meter measures the hydraulic pressure of the hydrostatic system and provides a hydraulic pressure signal as an input to a pressure feedback control loop for stabilizing the displacement control signal based on the hydraulic pressure signal.

Abstract translation: 一种用于涡轮发电系统的闭环涡轮机速度控制系统，包括用于将能量从风力涡轮机转子传递到发电机的闭环静液压传动系统。 位移致动器布置成用于接收来自控制系统的位移控制信号并用于控制位移电动机的位移。 控制系统包括涡轮转子速度反馈控制回路，用于基于涡轮转子实际转速与涡轮转子组转速的偏差来计算位移控制信号。 此外，液压压力表测量静液压系统的液压，并提供液压信号作为压力反馈控制回路的输入，用于基于液压信号稳定位移控制信号。

公开(公告)号：US08092173B2

公开(公告)日：2012-01-10

申请号：US12780449

申请日：2010-05-14

Applicant: Jan Vestergaard Knudsen

Inventor： Jan Vestergaard Knudsen

IPC: F03D7/00

CPC classification number: F03D7/043 ,  F03D7/0264 ,  Y02E10/723

Abstract: A method of controlling a wind turbine, where a control signal for a controllable parameter of the wind turbine is determined repeatingly at successive time steps, and a control history including respective control values derived from or included in past control signals is stored. These control values stored in the control history are then used to determine an alert parameter for the controllable parameter, the alert parameter being a function of the variations of the control signals over time. The wind turbine is then controlled according to the most recent control signal only if the alert parameter is below an alert threshold, and otherwise according to a modified control strategy. The control method may be performed on pitch reference signals for controlling the individual and/or collective pitch of the blades. The invention further relates to a control system configured to perform the above control method, and a wind turbine comprising such system.

Abstract translation: 一种控制风力涡轮机的方法，其中在连续时间步骤中重复地确定风力涡轮机的可控参数的控制信号，并且存储包括从过去控制信号导出或包括的各个控制值的控制历史。 存储在控制历史中的这些控制值然后用于确定可控参数的警报参数，警报参数是随时间变化的控制信号的变化的函数。 只有当警报参数低于警报阈值时，才能根据最近的控制信号来控制风力涡轮机，否则根据修改的控制策略。 可以对用于控制叶片的个体和/或总体间距的俯仰参考信号执行控制方法。 本发明还涉及一种被配置为执行上述控制方法的控制系统和包括该系统的风力涡轮机。

公开(公告)号：US20110309622A1

公开(公告)日：2011-12-22

申请号：US13220121

申请日：2011-08-29

Applicant: Tsuyoshi WAKASA ,  Kazunari IDE ,  Yoshiyuki HAYASHI ,  Masaaki SHIBATA

Inventor： Tsuyoshi WAKASA ,  Kazunari IDE ,  Yoshiyuki HAYASHI ,  Masaaki SHIBATA

IPC: H02P9/04

CPC classification number: F03D7/0224 ,  F03D7/0296 ,  F03D7/043 ,  F03D9/25 ,  F05B2260/71 ,  F05B2260/74 ,  F05B2260/821 ,  F05B2260/96 ,  F05B2270/1021 ,  F05B2270/309 ,  F05B2270/334 ,  F05B2270/404 ,  F05B2270/807 ,  Y02B10/30 ,  Y02E10/723

Abstract: A wind turbine generator, an active damping method thereof, and a windmill tower in which vibrations of the wind turbine generator itself or the windmill tower can be reduced at low cost are provided. The acceleration due to vibrations of a nacelle is detected with an accelerometer attached to the nacelle. In an active damping unit, a pitch angle of windmill blades for generating a thrust on the windmill blades so as to cancel out the vibrations of the nacelle is calculated on the basis of the acceleration, and the pitch angle is output as a blade-pitch-angle command δθ* for damping. On the other hand, in a pitch-angle control unit, a pitch angle of the windmill blades for controlling the output to be a predetermined value is calculated, and the pitch angle is output as a blade-pitch-angle command θ* for output control. The blade-pitch-angle command δθ* for damping is combined with the blade-pitch-angle command θ* for output control using a subtracter. The pitch angle of the windmill blades is controlled on the basis of the resulting blade-pitch-angle command after combining.