中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

28 records (took 0.027 seconds)

    METHOD AND SYSTEM FOR CONTROLLING A WIND TURBINE GENERATOR
    2.
    发明申请
    METHOD AND SYSTEM FOR CONTROLLING A WIND TURBINE GENERATOR 审中-公开
    用于控制风力发电机的方法和系统

    公开(公告)号：WO2016184470A1

    公开(公告)日：2016-11-24

    申请号：PCT/DK2016/050131

    申请日：2016-05-17

    Applicant: VESTAS WIND SYSTEMS A/S

    Inventor： ZAIB, Ali ,  JØRGENSEN, Martin

    IPC: F03D7/02

    CPC classification number: F03D7/0276 ,  Y02E10/723

    Abstract: A method of controlling a wind turbine, the method comprising monitoring a speed reference parameter of the wind turbine, and setting an overspeed threshold in dependence on the speed reference parameter, so that the overspeed threshold varies with the operational speed of the wind turbine. The invention also resides in a system that implements the method.

    Abstract translation: 一种控制风力涡轮机的方法，所述方法包括监测风力涡轮机的速度参考参数，以及根据速度参考参数设定超速阈值，使得超速阈值随着风力涡轮机的运行速度而变化。 本发明还在于实现该方法的系统。

    A WIND TURBINE WITH A LOAD CONTROLLER
    3.
    发明申请
    A WIND TURBINE WITH A LOAD CONTROLLER 审中-公开
    具有负载控制器的风力涡轮机

    公开(公告)号：WO2013182200A1

    公开(公告)日：2013-12-12

    申请号：PCT/DK2013/050172

    申请日：2013-06-06

    Applicant: VESTAS WIND SYSTEMS A/S

    Inventor： ZAIB, Ali ,  SIMONSEN, Kenneth Tougaard

    IPC: F03D7/02 ,  F03D7/04

    CPC classification number: F03D7/0224 ,  F03D7/024 ,  F03D7/042 ,  F03D7/043 ,  F05B2260/966 ,  F05B2270/331 ,  G05B13/0205 ,  Y02E10/723

    Abstract: The invention provides a wind turbine, a control system for a wind turbine and a method for controlling a wind turbine where asymmetry in load on the rotor is compensated by individual pitching by comparing a load distribution over the rotor plane with a threshold value. To avoid unnecessary compensation, the threshold value is adjusted based on a loading of the wind turbine or based on climate conditions under which the turbine operates.

    Abstract translation: 本发明提供了一种风力涡轮机，用于风力涡轮机的控制系统和用于控制风力涡轮机的方法，其中通过将转子平面上的负载分布与阈值进行比较，通过单独俯仰来补偿转子上的负载的不对称性。 为了避免不必要的补偿，基于风力涡轮机的负载或基于涡轮机运行的气候条件来调整阈值。

    CONTROL OF A WIND TURBINE USING REAL-TIME GAIN CALCULATION
    5.
    发明申请
    CONTROL OF A WIND TURBINE USING REAL-TIME GAIN CALCULATION 审中-公开
    用实时增益计算控制风力发电机组

    公开(公告)号：WO2017167343A1

    公开(公告)日：2017-10-05

    申请号：PCT/DK2017/050093

    申请日：2017-03-30

    Applicant: VESTAS WIND SYSTEMS A/S

    Inventor： GRUNNET, Jacob Deleuran ,  KRÜGER, Thomas ,  ZAIB, Ali ,  THOMSEN, Jesper Sandberg

    IPC: F03D7/04 ,  F03D7/02

    CPC classification number: F03D7/045 ,  F03D7/0224 ,  F03D7/046 ,  F05B2260/821 ,  F05B2260/84 ,  F05B2270/32 ,  Y02E10/723

    Abstract: A wind turbine control system comprising at least one control module configured to output a control signal for a control mechanism of a wind turbine, and a gain calculator for calculating a gain parameter associated with the control module, wherein the gain parameter is calculated based on a computerised real-time blade model using a determined wind turbine operating point as an input. The blade model may be a blade element momentum model. In another aspect, the invention may be expressed as a method of controlling a control mechanism of a wind turbine.

    Abstract translation: 风力涡轮机控制系统包括至少一个配置成输出用于风力涡轮机的控制机构的控制信号的控制模块以及用于计算与控制模块相关联的增益参数的增益计算器，其中， 基于使用确定的风力涡轮机操作点作为输入的计算机化的实时叶片模型来计算增益参数。 叶片模型可以是叶片元件动量模型。 另一方面，本发明可以表示为控制风力涡轮机的控制机构的方法。

    A METHOD OF OPERATING A WIND TURBINE AS WELL AS A SYSTEM SUITABLE THEREFORE
    6.
    发明申请
    A METHOD OF OPERATING A WIND TURBINE AS WELL AS A SYSTEM SUITABLE THEREFORE 审中-公开
    一种风力涡轮机的操作方法，作为其中适合的系统

    公开(公告)号：WO2013182204A1

    公开(公告)日：2013-12-12

    申请号：PCT/DK2013/050180

    申请日：2013-06-07

    Applicant: VESTAS WIND SYSTEMS A/S

    Inventor： ATZLER, Martin ,  BRATH, Per ,  KRÜGER, Thomas ,  ZAIB, Ali

    IPC: F03D7/02 ,  F03D7/04

    CPC classification number: F03D7/044 ,  F03D7/0224 ,  F03D7/024 ,  F03D7/0296 ,  F03D7/043 ,  F05B2260/966 ,  F05B2270/331 ,  Y02E10/723

    Abstract: A method of operating a wind turbine is provided. The wind turbine comprises a turbine rotor with at least two blades, each blade having a variable pitch angle. The method comprises determining mechanical loads on the blades, determining an asymmetric load moment experienced by the turbine rotor based on the mechanical loads on the blades, determining high order harmonics from the asymmetric load moment, and determining an individual pitch control signal for each of the blades for varying the pitch angle of each blade to compensate for the asymmetric load moment. The individual pitch control signal for each blade is determined at least based on the high order harmonics.

    Abstract translation: 提供了一种操作风力涡轮机的方法。 风力涡轮机包括具有至少两个叶片的涡轮转子，每个叶片具有可变的俯仰角。 该方法包括确定叶片上的机械载荷，基于叶片上的机械负载确定涡轮转子经历的不对称载荷力矩，从非对称载荷力矩确定高次谐波，以及确定每个 用于改变每个叶片的俯仰角以补偿不对称载荷力矩的叶片。 至少基于高阶谐波确定每个叶片的各个俯仰控制信号。

    ROTOR BLADE CONTROL FOR HIGH WINDS
    7.
    发明申请
    ROTOR BLADE CONTROL FOR HIGH WINDS 审中-公开
    用于高风量的转子叶片控制

    公开(公告)号：WO2015074664A1

    公开(公告)日：2015-05-28

    申请号：PCT/DK2014/050393

    申请日：2014-11-19

    Applicant: VESTAS WIND SYSTEMS A/S

    Inventor： CAPONETTI, Fabio ,  COUCHMAN, Ian ,  KRÜGER, Thomas ,  ZAIB, Ali ,  THOMSEN, Carsten Nørlund

    IPC: F03D7/02

    CPC classification number: F03D7/0264 ,  F03D7/0224 ,  F03D9/255 ,  F05B2270/3201 ,  F05B2270/322 ,  H02J11/00 ,  H02K7/183 ,  Y02E10/723 ,  Y02E10/725

    Abstract: The invention relates to a control apparatus and method for controlling the rotor blades of a wind turbine, and in particular to controlling the rotor blades during an extreme wind event. An extended mode of operation of the wind turbine rotor beyond the cut-out wind speed is provided. In the extended mode of operation, the pitch of the wind turbine blades is actively controlled so that the rotor and the generator idle at a designated rotational speed. The rotational speed may be relatively high, say 15 to 20% of the nominal speed, compared with minimal speeds experienced by purely feathered wind turbine blades, and may be further controlled as a function of the incident wind speed. Output power control in the extended mode may be zero but is preferably a low, but non-zero value. The output power so produced may then be used as an auxiliary power source for controlling the wind turbine in situations where the utility grid fails.

    Abstract translation: 本发明涉及一种用于控制风力涡轮机的转子叶片的控制装置和方法，特别涉及在极端风力事件期间控制转子叶片。 提供了超出切断风速的风力涡轮机转子的延长操作模式。 在扩展操作模式中，主动控制风力涡轮机叶片的桨距，使得转子和发电机以指定的转速空转。 与纯羽毛风力涡轮机叶片所经历的最小速度相比，旋转速度可能相对较高，例如额定速度的15至20％，并且可以作为入射风速的函数进一步控制。 扩展模式下的输出功率控制可以为零，但优选为低但非零值。 这样产生的输出功率然后可以用作在公用电网故障的情况下控制风力涡轮机的辅助电源。

    SPEED MANAGEMENT OF A WIND TURBINE WHEN SWITCHING ELECTRICAL CONFIGURATIONS
    8.
    发明申请
    SPEED MANAGEMENT OF A WIND TURBINE WHEN SWITCHING ELECTRICAL CONFIGURATIONS 审中-公开
    开关电气配置时风力涡轮机的速度管理

    公开(公告)号：WO2015032409A1

    公开(公告)日：2015-03-12

    申请号：PCT/DK2014/050269

    申请日：2014-09-03

    Applicant: VESTAS WIND SYSTEMS A/S

    Inventor： KJÆR, Martin Ansbjerg ,  KOLDKJÆR, Peter ,  MØLGAARD HVIID KNUDSEN, Rasmus ,  SOLEIMANZADEH, Maryam ,  SØRENSEN, Martin Møller ,  ZAIB, Ali ,  KUMAR SINGH, Arvishwa ,  CHRISTENSEN, Poul Brandt ,  HOULIND JENSEN, Michael

    IPC: F03D7/02 ,  F03D7/04

    CPC classification number: F03D7/028 ,  F03D1/06 ,  F03D7/0272 ,  F03D7/042 ,  F03D7/047 ,  F03D9/25 ,  F05B2270/332 ,  G05F1/66 ,  Y02E10/721 ,  Y02E10/723

    Abstract: To efficiently run a wind turbine in varying wind speeds, the wind turbine may be configured to switch between two different electrical configurations that offer different efficiencies depending on wind speed. For example, a star configuration may be preferred during low wind speeds while a delta configuration is preferred for high wind speeds. Before switching, the power output by the turbine's generator may be driven to zero. Doing so, however, removes load from the rotor blades which cause the rotor speed to increase. Instead, the rotor speed may be controlled such that the speed stays at or above the speed of the rotor immediately before the generator power is ramped down. Maintaining rotor speed at or slightly above the current speed while switching between electrical configurations may mitigate the torque change experienced by the turbine and reduce the likelihood of structural failure.

    Abstract translation: 为了在不同的风速下有效地运行风力涡轮机，风力涡轮机可以被配置为在根据风速提供不同效率的两种不同的电气配置之间切换。 例如，在低风速期间，星型配置可能是优选的，而对于高风速，优选配置三角形配置。 在切换之前，涡轮发电机输出的功率可能被驱动到零。 然而，这样做可以消除转子叶片的负载，导致转子速度增加。 相反，可以控制转子速度，使得在发电机功率下降之前，转速保持等于或高于转子的速度。 在转换电气配置之前，将转子速度保持在或略高于当前速度可以减轻涡轮机所经历的扭矩变化，并降低结构故障的可能性。

    REMOTE SENSING SYSTEM FOR WIND TURBINES
    9.
    发明申请
    REMOTE SENSING SYSTEM FOR WIND TURBINES 审中-公开
    用于风力涡轮机的远程感测系统

    公开(公告)号：WO2013000475A1

    公开(公告)日：2013-01-03

    申请号：PCT/DK2012/050222

    申请日：2012-06-29

    Applicant: VESTAS WIND SYSTEMS A/S ,  ZAIB, Ali ,  BOWYER, Robert

    Inventor： ZAIB, Ali ,  BOWYER, Robert

    IPC: F03D7/04 ,  F03D11/00

    CPC classification number: F03D7/00 ,  F03D7/048 ,  F03D17/00 ,  F05B2260/8211 ,  F05B2270/32 ,  F05B2270/321 ,  F05B2270/8042 ,  G01W1/00 ,  Y02E10/722 ,  Y02E10/723

    Abstract: Embodiments of the invention generally relate to using remote sensing equipment such as a Light Detection and Ranging (LIDAR) device to detect wind characteristics for use by wind turbines of a wind park. A wind park controller may received raw wind data from the remote sensing device and determine one or more turbines that can use the raw wind data. The raw wind data may be converted to customized data for each of the one or more wind turbines. Upon being provided the customized wind data, the one or more wind turbines may adjust one or more operational characteristics to improve power production or avoid damage to turbine components.

    Abstract translation: 本发明的实施例一般涉及使用诸如光检测和测距（LIDAR）装置的遥感设备来检测风力特征以供风力发电场的风力涡轮机使用。 风力发电场控制器可以从遥感装置接收原始风数据，并且确定可以使用原始风数据的一个或多个涡轮机。 原始风数据可以被转换为一个或多个风力涡轮机中的每一个的定制数据。 在提供定制的风力数据时，一个或多个风力涡轮机可以调整一个或多个操作特性以改善功率生产或避免损坏涡轮机部件。

    A METHOD FOR OPERATING A WIND TURBINE AT IMPROVED POWER OUTPUT
    10.
    发明申请
    A METHOD FOR OPERATING A WIND TURBINE AT IMPROVED POWER OUTPUT 审中-公开

    公开(公告)号：WO2011150931A3

    公开(公告)日：2011-12-08

    申请号：PCT/DK2011/050183

    申请日：2011-05-31

    Applicant: VESTAS WIND SYSTEMS A/S ,  ABDALLAH, Imad ,  MIRANDA, Erik Carl Lehnskov ,  ZAIB, Ali

    Inventor： ABDALLAH, Imad ,  MIRANDA, Erik Carl Lehnskov ,  ZAIB, Ali

    IPC: F03D7/04

    Abstract: A method for operating a wind turbine is disclosed. The wind turbine comprises a rotor having a set of wind turbine blades, said rotor being mounted on a tower. The method comprises the steps of: Providing a curve defining optimal pitch angle as a function of tip speed ratio for the wind turbine blades or as a function of wind speed. Modifying at least a part of said optimal pitch angle curve by applying a safety buffer, e.g. at tip speed ratios and/or pitch angles where there is a risk that the blades may stall and/or that overload is caused to the wind turbine, thereby obtaining a safety modified pitch angle curve. Operating the wind turbine in accordance with the safety modified pitch angle curve. Measuring one or more parameters providing information regarding wind conditions and/or loads on one or more components of the wind turbine, during operation of the wind turbine. Adjusting the safety buffer, based on said measurements, thereby obtaining an adjusted pitch angle curve, and operating the wind turbine in accordance with the adjusted pitch angle curve. The safety buffer is applied in order to ensure that the blades of the wind turbine do not stall and/or that the wind turbine is not overloaded, but it has the effect that the wind turbine is operated in a suboptimal manner from an energy production view. Since the safety buffer is adjusted based on measured parameters, it can be reduced if it is detected that the actual operating conditions are less severe than expected. This allows the wind turbine to be operated in a more optimal manner, thereby increasing the energy production of the wind turbine.

Patent Agency Ranking