Method of operating a wind turbine as well as a system suitable therefor
    1.
    发明授权
    Method of operating a wind turbine as well as a system suitable therefor 有权
    操作风力涡轮机的方法以及适用于其的系统

    公开(公告)号:US09353732B2

    公开(公告)日:2016-05-31

    申请号:US13996422

    申请日:2011-12-20

    IPC分类号: H02H3/20 F03D9/00 H02J3/38

    摘要: According to a method of the present invention, a method of operating a wind turbine comprising a power generator, a generator side converter connected to the power generator, a line side converter connected to a power grid through power components, and a DC-link connected between the generator side converter and the line side converter is provided, the method comprising: monitoring the grid voltages on the power grid for overvoltage events; if an overvoltage event is detected, operating the line side converter in an overmodulation range for at least a part of the duration of the overvoltage event.

    摘要翻译: 根据本发明的方法,一种运行风力涡轮机的方法,包括发电机,连接到发电机的发电机侧转换器,通过电力部件连接到电网的线路侧转换器,以及连接到DC电力线路 提供发电机侧转换器和线路侧转换器之间的方法,该方法包括:监视电网上的电网电压以用于过电压事件; 如果检测到过电压事件,则在过电压事件的持续时间的至少一部分时间内将线路侧转换器工作在过调制范围内。

    POWER DISSIPATING ARRANGEMENT IN A WIND TURBINE
    2.
    发明申请
    POWER DISSIPATING ARRANGEMENT IN A WIND TURBINE 有权
    风力发电机组的功率消除装置

    公开(公告)号:US20140217730A1

    公开(公告)日:2014-08-07

    申请号:US14233164

    申请日:2012-07-24

    IPC分类号: H02P9/00 F03D7/04

    摘要: A power dissipating arrangement for dissipating power from a generator in a wind turbine is provided. The generator comprises a plurality of output terminals corresponding to a multi-phase output. The power dissipating arrangement comprises a plurality of dissipating units, a plurality of semiconductor switches, a trigger circuit for switching the semiconductor switches and a control unit for controlling the operation of the trigger circuit, thereby controlling the switching of the semiconductor switches. Each dissipating unit includes a first terminal and a second terminal. The first terminal of each dissipating unit is coupled to each output terminal of the generator. Each semiconductor switch includes a first terminal anode, a second terminal and a gate terminal. The first terminal of each semiconductor switch is coupled to the second terminal of each dissipating unit and the second terminal of the semiconductor switch is coupled to the second terminal of another dissipating unit, such that the second terminal of each dissipating unit is coupled to the first terminal of one semiconductor switch and the second terminal of another semiconductor switch. The trigger circuit is coupled to the gate terminal of the plurality of the semiconductor switches for switching the semi-conductor switches.

    摘要翻译: 提供了用于从风力涡轮机中的发电机消散功率的功率消散装置。 发生器包括对应于多相输出的多个输出端子。 功率消耗装置包括多个散热单元,多个半导体开关,用于切换半导体开关的触发电路和用于控制触发电路的操作的控制单元,从而控制半导体开关的切换。 每个耗散单元包括第一端子和第二端子。 每个耗散单元的第一个端子耦合到发电机的每个输出端子。 每个半导体开关包括第一端子阳极,第二端子和栅极端子。 每个半导体开关的第一端子耦合到每个耗散单元的第二端子,并且半导体开关的第二端子耦合到另一个耗散单元的第二端子,使得每个耗散单元的第二端子耦合到第一 一个半导体开关的端子和另一个半导体开关的第二端子。 触发电路耦合到多个半导体开关的栅极端子,用于切换半导体开关。

    WIND TURBINE GENERATOR
    3.
    发明申请
    WIND TURBINE GENERATOR 有权
    风力涡轮发电机

    公开(公告)号:US20130313826A1

    公开(公告)日:2013-11-28

    申请号:US13882149

    申请日:2011-10-25

    IPC分类号: H02P9/00

    摘要: A system for a wind turbine generator comprising: a set of voltage limiting elements, and a controller configured to bypass the voltage limiting elements when a line voltage is below a predetermined threshold, and configured to connect each voltage limiting element in series between a grid side converter and a turbine transformer of the wind turbine generator, and to determine a current control reference signal for controlling the grid side converter (to generate a determined current) when the line voltage is above the predetermined threshold.

    摘要翻译: 一种用于风力涡轮发电机的系统,包括:一组电压限制元件,以及控制器,其被配置为当线路电压低于预定阈值时旁路所述电压限制元件,并且被配置为将电压限制元件串联连接在电网侧 转换器和风力涡轮发电机的涡轮变压器,并且当线路​​电压高于预定阈值时,确定用于控制电网侧转换器(以产生确定的电流)的电流控制参考信号。

    METHOD OF OPERATING A WIND TURBINE, WIND TURBINE, WIND TURBINE CONTROLLING SYSTEM, AND PROCESSING SYSTEM
    5.
    发明申请
    METHOD OF OPERATING A WIND TURBINE, WIND TURBINE, WIND TURBINE CONTROLLING SYSTEM, AND PROCESSING SYSTEM 有权
    风力涡轮机,风力涡轮机,风力涡轮机控制系统和加工系统的运行方法

    公开(公告)号:US20130187384A1

    公开(公告)日:2013-07-25

    申请号:US13638546

    申请日:2011-03-23

    IPC分类号: F03D9/00

    摘要: According to an embodiment, a method of operating a wind turbine comprising a DC-to-AC voltage converter is provided, the wind turbine being connectable to a grid via the DC-to-AC voltage converter, the method comprising: determining a line voltage of a power line connecting the DC-to-AC voltage converter to the grid; if the determined line voltage exceeds a predefined voltage threshold value, injecting reactive current into the power line, wherein the amount of reactive current injected is chosen such that an output voltage of the DC-to-AC voltage converter is kept within a predetermined voltage range.

    摘要翻译: 根据实施例,提供一种操作包括DC-AC电压转换器的风力涡轮机的方法,所述风力涡轮机可经由所述DC-AC电压转换器连接到电网,所述方法包括:确定线路电压 将DC-AC电压转换器连接到电网的电力线; 如果所确定的线路电压超过预定的电压阈值,则将无功电流注入到电力线路中,其中注入的无功电流的量被选择为使得DC-AC电压转换器的输出电压保持在预定电压范围内 。

    Method for determining a rotor position of an electrical generator in a wind turbine
    6.
    发明授权
    Method for determining a rotor position of an electrical generator in a wind turbine 有权
    用于确定风力涡轮机中的发电机的转子位置的方法

    公开(公告)号:US08089171B2

    公开(公告)日:2012-01-03

    申请号:US12817653

    申请日:2010-06-17

    IPC分类号: H02P9/00 H02P9/04

    摘要: A method for determining a rotor position of an electrical generator in a wind turbine is described comprising determining a voltage of the electrical generator, determining a rotor position angle estimate based on the voltage of the electrical generator, determining a subsequent rotor position angle estimate through a feedback loop, based on a combination of the voltage of the electrical generator and the rotor position angle estimate. Further, a method to real time track encoder health is described comprising determining the phase angle of a reference voltage, determining the angle difference between the rotor position and the reference voltage, and determining the differentiation of the angle difference.

    摘要翻译: 描述了一种用于确定风力涡轮机中的发电机的转子位置的方法,包括确定发电机的电压,基于发电机的电压确定转子位置角度估计,通过一个 基于发电机的电压和转子位置角度估计的组合的反馈回路。 此外,描述了实时跟踪编码器健康的方法,其包括确定参考电压的相位角,确定转子位置与参考电压之间的角度差,以及确定角度差的微分。