METHOD AND ARRANGEMENT FOR DETECTING A BLADE PITCH ANGLE UNBALANCE OF A ROTOR BLADE SYSTEM OF A WIND TURBINE
    1.
    发明申请
    METHOD AND ARRANGEMENT FOR DETECTING A BLADE PITCH ANGLE UNBALANCE OF A ROTOR BLADE SYSTEM OF A WIND TURBINE 审中-公开
    用于检测风轮转子叶片系统的叶片角度不平衡的方法和装置

    公开(公告)号:US20120230820A1

    公开(公告)日:2012-09-13

    申请号:US13401094

    申请日:2012-02-21

    IPC分类号: F03D11/00

    摘要: A method is provided for detecting a blade pitch angle unbalance of a rotor blade system of a wind turbine, the rotor blade system rotating around a rotor rotation axis. The method includes yawing the rotor rotation axis about a yawing axis transverse to the rotor rotation axis. The method also includes obtaining a load signal indicative of a load due to the yawing. The method further includes analyzing the load signal regarding a frequency component of the load signal, and detecting the blade pitch angle unbalance based on the analyzed load signal.

    摘要翻译: 提供一种用于检测风力涡轮机的转子叶片系统的叶片俯仰角不平衡的方法,所述转子叶片系统围绕转子旋转轴线旋转。 该方法包括绕转子旋转轴线偏转转子旋转轴线。 该方法还包括获得指示由于偏航引起的负载的负载信号。 该方法还包括分析关于负载信号的频率分量的负载信号,以及基于所分析的负载信号来检测叶片俯仰角不平衡。

    DETERMINING AN EQUIVALENT MECHANICAL LOAD
    2.
    发明申请
    DETERMINING AN EQUIVALENT MECHANICAL LOAD 有权
    确定等效机械载荷

    公开(公告)号:US20120035864A1

    公开(公告)日:2012-02-09

    申请号:US13263893

    申请日:2009-06-29

    申请人: Ib Frydendal

    发明人: Ib Frydendal

    IPC分类号: G06F19/00 G01L1/22

    CPC分类号: G05B23/0221

    摘要: A method for determining an equivalent mechanical load of a component includes a dynamic mechanical loading. A first measurement value of the mechanical load of the component is measured and compared to a first reference value. Further, at least one count value representing the number of load half-cycles of the component is updated based upon the result of comparing, wherein the load half-cycles correspond to a predetermined range of mechanical loads and occur within a time period prior to the measurement of the first measurement value. A first equivalent mechanical load of the component is determined based on the first updated count value. It is further described a program element and a computer-readable medium having stored a program for controlling the described equivalent mechanical load determining method.

    摘要翻译: 用于确定组件的等效机械负载的方法包括动态机械负载。 测量部件的机械载荷的第一测量值并将其与第一参考值进行比较。 此外,基于比较的结果,更新表示部件的负载半周期数的至少一个计数值,其中负载半周期对应于机械负载的预定范围,并且在 测量第一个测量值。 基于第一更新计数值确定部件的第一等效机械负载。 进一步描述了程序元件和计算机可读介质,其存储有用于控制所述等效机械负载确定方法的程序。

    Wind turbine blade wirh lift-regulating means
    4.
    发明申请
    Wind turbine blade wirh lift-regulating means 有权
    风力发电机叶片wirh电梯调节装置

    公开(公告)号:US20070003403A1

    公开(公告)日:2007-01-04

    申请号:US10555579

    申请日:2004-04-29

    IPC分类号: F03B15/06

    摘要: Wind turbine blade (10) including adjustable lift-regulating means (12, 13, 15, 17, 19, 21) arranged on or at the surface of the wind turbine blade (10), said lift-regulating means being provided with activating means by means of which they can be adjusted and thus alter the aerodynamic properties of the blade (10). The lift-regulating means (12, 13, 15, 17, 19, 21) and the activating means are adapted and arranged such that by activation of the activating means, the lift can be reduced in a zone extending in the longitudinal direction of the blade (10) from a first position adjacent the blade tip (14) to a second position between the first position and the blade root (16) and this second position is variable in the longitudinal direction of the blade (10) by adjusting the activate means. The lift-regulating means are formed of at least one flexible flap (12, 13, 15, 17, 19, 21). The invention further relates to a wind turbine rotor including such wind turbine blades, to a wind turbine and to a method of controlling the wind turbine.

    摘要翻译: 风力涡轮机叶片(10)包括布置在风力涡轮机叶片(10)的表面上或表面上的可调式升力调节装置(12,13,15,17,19,21),所述提升调节装置设置有启动装置 通过它们可以调节它们并因此改变叶片(10)的空气动力特性。 升降调节装置(12,13,15,17,19,21)和启动装置被适配和布置成使得通过致动装置的启动,可以在沿着纵向方向延伸的区域中减小升力 叶片(10)从邻近叶片尖端(14)的第一位置移动到第一位置和叶片根部(16)之间的第二位置,并且该第二位置在叶片(10)的纵向方向上可变,通过调节激活 手段。 升降调节装置由至少一个柔性翼片(12,13,15,17,19,21)形成。 本发明还涉及包括这种风力涡轮机叶片的风力涡轮机转子,风力涡轮机和控制风力涡轮机的方法。

    Method and sensor setup for determination of deflection and/or strain for failure detection
    5.
    发明授权
    Method and sensor setup for determination of deflection and/or strain for failure detection 有权
    用于确定故障检测的偏转和/或应变的方法和传感器设置

    公开(公告)号:US08075267B2

    公开(公告)日:2011-12-13

    申请号:US12283098

    申请日:2008-09-09

    IPC分类号: F01D5/00 F01D25/00 F04D29/00

    摘要: A method for determining the deflection and/or strain of an elongated member of a component is provided, in which a first point and a second point are assigned to the same side of an elongated member of the component, wherein the deflection and/or strain of the elongated member is determined by determining the distance between the second point and a third point, which is connected to the first point by an inflexible support, whereby the distance between the first point and the third point is considerably longer than the distance between the second point and the third point, and wherein the distance between the second point and the third point is determined in time steps and the frequency of the change of the distance is analyzed to detect frequency changes. Furthermore, an elongated member of a component subject to strain and comprises a sensor unit for determining the deflection and/or strain of the elongated member.

    摘要翻译: 提供了一种用于确定部件的细长构件的偏转和/或应变的方法,其中第一点和第二点被分配给部件的细长构件的同一侧,其中偏转和/或应变 通过确定第二点和第三点之间的距离来确定细长构件,该第三点与第一点之间由不灵活的支撑连接,由此第一点与第三点之间的距离比第 第二点和第三点,并且其中在时间步长中确定第二点和第三点之间的距离,并分析距离变化的频率以检测频率变化。 此外,受到应变的部件的细长构件并且包括用于确定细长构件的偏转和/或应变的传感器单元。

    Sensor setup for determination of deflection and/or strain
    6.
    发明申请
    Sensor setup for determination of deflection and/or strain 有权
    用于确定偏转和/或应变的传感器设置

    公开(公告)号:US20090068014A1

    公开(公告)日:2009-03-12

    申请号:US12283070

    申请日:2008-09-09

    IPC分类号: F03D11/00

    摘要: An elongated member of a wind turbine is disclosed which is potentially subject to strain and which comprises a sensor unit for determining the deflection and/or strain of the elongated member between a first point and a second point, which are assigned to the same side of the elongated member, and the sensor unit comprises a proximity sensor for determining the distance between the second point and a third point, the third point being connected to the first point by an inflexible support, the distance between the first point and the third point being considerably longer than the distance between the second point and the third point, wherein the sensor unit comprises a compressible and/or stretchable element located between the second point and the third point. Moreover, a wind turbine rotor blade and a tower of a wind turbine, each comprising a previously described elongated member, are disclosed.

    摘要翻译: 公开了一种风力涡轮机的细长构件,其可能受到应变,并且其包括用于确定第一点和第二点之间的细长构件的偏转和/或应变的传感器单元,其被分配到 所述细长构件和所述传感器单元包括用于确定所述第二点和第三点之间的距离的接近传感器,所述第三点通过不灵活的支撑件连接到所述第一点,所述第一点和所述第三点之间的距离为 比第二点和第三点之间的距离长得多,其中传感器单元包括位于第二点和第三点之间的可压缩和/或可拉伸元件。 此外,公开了风力涡轮机转子叶片和风力涡轮机的塔架,每个风力涡轮机的塔架包括前述的细长构件。

    Method and sensor setup for determination of deflection and/or strain for failure detection
    7.
    发明申请
    Method and sensor setup for determination of deflection and/or strain for failure detection 有权
    用于确定故障检测的偏转和/或应变的方法和传感器设置

    公开(公告)号:US20090067990A1

    公开(公告)日:2009-03-12

    申请号:US12283098

    申请日:2008-09-09

    IPC分类号: F03D11/00

    摘要: A method for determining the deflection and/or strain of an elongated member of a component is provided, in which a first point (16) and a second point (17) are assigned to the same side (11, 12) of an elongated member of the component, wherein the deflection and/or strain of the elongated member is determined by determining the distance between the second point (17) and a third point (18), which is connected to the first point (16) by an inflexible support (5), whereby the distance between the first point (16) and the third point (18) is considerably longer than the distance between the second point (17) and the third point (18), and wherein the distance between the second point (17) and the third point (18) is determined in time steps and the frequency of the change of the distance is analysed to detect frequency changes. Furthermore, an elongated member of a component is disclosed which is potentially subject to strain and which comprises a sensor unit for determining the deflection and/or strain of the elongated member between a first point (16) and a second point (17), which are assigned to the same side (11, 12) of the elongated member, the sensor unit comprises a proximity sensor (4) for determining the distance between the second point (17) and a third point (18), the third point (18) being connected to the first point (16) by an inflexible support (5), the distance between the first point (16) and the third point (18) being considerably longer than the distance between the second point (17) and the third point (18), the sensor unit further comprises a frequency detecting unit for detecting the frequency of the change of the distance.

    摘要翻译: 提供了一种用于确定部件的细长构件的偏转和/或应变的方法,其中将第一点(16)和第二点(17)分配给细长构件的相同侧(11,12) 其中所述细长构件的偏转和/或应变通过确定通过不灵活的支撑件连接到第一点(16)的第二点(17)和第三点(18)之间的距离来确定, (5),由此第一点(16)和第三点(18)之间的距离比第二点(17)和第三点(18)之间的距离长得多,并且其中第二点 (17)和第三点(18)在时间步长中确定,并且分析距离变化的频率以检测频率变化。 此外,公开了一种部件的细长构件,其可能受到应变,并且其包括用于确定第一点(16)和第二点(17)之间的细长构件的偏转和/或应变的传感器单元, 传感器单元包括用于确定第二点(17)和第三点(18)之间的距离的接近传感器(4),第三点(18) )通过不弯曲的支撑(5)连接到第一点(16),第一点(16)和第三点(18)之间的距离比第二点(17)和第三点 点(18),传感器单元还包括用于检测距离变化的频率的频率检测单元。

    Wind turbine blade with lift-regulating means
    8.
    发明授权
    Wind turbine blade with lift-regulating means 有权
    具有升降机构的风力发电机叶片

    公开(公告)号:US07293959B2

    公开(公告)日:2007-11-13

    申请号:US10555579

    申请日:2004-04-29

    IPC分类号: F03B3/12

    摘要: Wind turbine blade (10) including adjustable lift-regulating means (12, 13, 15, 17, 19, 21) arranged on or at the surface of the wind turbine blade (10), said lift-regulating means being provided with activating means by means of which they can be adjusted and thus alter the aerodynamic properties of the blade (10). The lift-regulating means (12, 13, 15, 17, 19, 21) and the activating means are adapted and arranged such that by activation of the activating means, the lift can be reduced in a zone extending in the longitudinal direction of the blade (10) from a first position adjacent the blade tip (14) to a second position between the position and the blade root (16) and this second position is variable in the longitudinal direction of the blade (10) by adjusting activate means. The lift-regulating means are formed of at least one flexible flap (12, 13, 15, 17, 19, 21). The invention further relates to a wind turbine rotor including such wind turbine blades, to a wind turbine and to a method of controlling the wind turbine.

    摘要翻译: 风力涡轮机叶片(10)包括布置在风力涡轮机叶片(10)的表面上或表面上的可调式升力调节装置(12,13,15,17,19,21),所述提升调节装置设置有启动装置 通过它们可以调节它们并因此改变叶片(10)的空气动力特性。 升降调节装置(12,13,15,17,19,21)和启动装置被适配和布置成使得通过致动装置的启动,可以在沿着纵向方向延伸的区域中减小升力 叶片(10)从邻近叶片尖端(14)的第一位置移动到位置和叶片根部(16)之间的第二位置,并且该第二位置通过调节活动装置在叶片(10)的纵向上是可变的。 升降调节装置由至少一个柔性翼片(12,13,15,17,19,21)形成。 本发明还涉及包括这种风力涡轮机叶片的风力涡轮机转子,风力涡轮机和控制风力涡轮机的方法。

    Determining an equivalent mechanical load
    9.
    发明授权
    Determining an equivalent mechanical load 有权
    确定等效的机械负载

    公开(公告)号:US09310801B2

    公开(公告)日:2016-04-12

    申请号:US13263893

    申请日:2009-06-29

    申请人: Ib Frydendal

    发明人: Ib Frydendal

    CPC分类号: G05B23/0221

    摘要: A method for determining an equivalent mechanical load of a component includes a dynamic mechanical loading. A first measurement value of the mechanical load of the component is measured and compared to a first reference value. Further, at least one count value representing the number of load half-cycles of the component is updated based upon the result of comparing, wherein the load half-cycles correspond to a predetermined range of mechanical loads and occur within a time period prior to the measurement of the first measurement value. A first equivalent mechanical load of the component is determined based on the first updated count value. It is further described a program element and a computer-readable medium having stored a program for controlling the described equivalent mechanical load determining method.

    摘要翻译: 用于确定组件的等效机械负载的方法包括动态机械负载。 测量部件的机械载荷的第一测量值并将其与第一参考值进行比较。 此外,基于比较的结果,更新表示部件的负载半周期数的至少一个计数值,其中负载半周期对应于机械负载的预定范围,并且在 测量第一个测量值。 基于第一更新计数值确定部件的第一等效机械负载。 进一步描述了程序元件和计算机可读介质,其存储有用于控制所述等效机械负载确定方法的程序。

    Method of moulding a wind-turbine blade
    10.
    发明申请
    Method of moulding a wind-turbine blade 有权
    风力涡轮机叶片的成型方法

    公开(公告)号:US20120213638A1

    公开(公告)日:2012-08-23

    申请号:US13358597

    申请日:2012-01-26

    摘要: A method of moulding a wind-turbine blade in a mould is described. The method includes arranging a number of markers on an interior of the mould; arranging a composite layup in the mould; and assembling and curing the composite layup in the mould such that a negative impression of a marker is formed on a surface of the composite layup, which negative impression facilitates correct positioning of the blade relative to a component in a subsequent assembly step. A mould for moulding a wind-turbine blade; a wind-turbine blade moulded using such a mould; and a positioning device for positioning a drilling and/or milling tool relative to a root portion of a wind-turbine blade moulded using the inventive method are disclosed. A method of manufacturing a wind-turbine blade is also disclosed.

    摘要翻译: 描述了在模具中模制风力涡轮机叶片的方法。 该方法包括在模具的内部布置多个标记; 在模具中安排复合叠层; 以及将所述复合叠层组装和固化在所述模具中,使得在所述复合叠层的表面上形成标记的负压印,所述负压印有助于在随后的组装步骤中相对于部件相对于所述叶片的正确定位。 一种用于模制风力涡轮机叶片的模具; 使用这种模具成型的风力涡轮机叶片; 并且公开了一种用于定位钻孔和/或铣削工具相对于使用本发明方法模制的风力涡轮机叶片的根部的定位装置。 还公开了一种制造风力涡轮机叶片的方法。