CONTROL OF A WIND POWER PLANT IN A WEAK GRID
    1.
    发明申请
    CONTROL OF A WIND POWER PLANT IN A WEAK GRID 审中-公开
    风力发电厂在一个弱电网中的控制

    公开(公告)号:WO2017174085A1

    公开(公告)日:2017-10-12

    申请号:PCT/DK2017/050088

    申请日:2017-03-27

    Abstract: A method of controlling a wind turbine generator (1) comprising an electrical generator (20) and a power converter (22), the power converter (22) being configured to process electrical power produced by the electrical generator (20) to supply output power to an electrical grid (44) through a transmission line (46), the method comprising: determining a transmission line impedance value; calculating a reactive power reference based on the transmission line impedance value and an active power reference; and controlling the wind turbine generator (1) to adjust the output power based on the calculated reactive power reference.

    Abstract translation: 控制包括发电机(20)和功率转换器(22)的风力涡轮发电机(1)的方法,所述功率转换器(22)被配置为处理由所述电气 发电机(20)通过传输线(46)向电网(44)提供输出功率,所述方法包括:确定传输线阻抗值; 基于传输线阻抗值和有功功率参考来计算无功功率参考; 并且控制风力涡轮发电机(1)基于所计算的无功功率参考来调整输出功率。

    A METHOD OF OPERATING A WIND TURBINE AS WELL AS A SYSTEM SUITABLE THEREOF
    2.
    发明申请
    A METHOD OF OPERATING A WIND TURBINE AS WELL AS A SYSTEM SUITABLE THEREOF 审中-公开
    一种风力涡轮机的操作方法,作为其适用的系统

    公开(公告)号:WO2014012553A1

    公开(公告)日:2014-01-23

    申请号:PCT/DK2013/050237

    申请日:2013-07-12

    Abstract: A method of operating a wind turbine is provided. The wind turbine comprises a turbine rotor with at least one blade having a variable pitch angle, a power generator, and a power converter connected to the power generator via a first circuit breaker and to a power grid via a second circuit breaker. According to the method, overvoltage events at the power grid are monitored. If an overvoltage event is detected, the method comprises opening the first circuit breaker and the second circuit breaker, disabling active operation of the power converter, connecting a power dissipating unit to the power generator to dissipate power output from the power generator, and moving the pitch angle of the at least one blade towards a feathered position.

    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一个具有可变俯仰角的叶片的涡轮转子,发电机和经由第一断路器连接到发电机的功率转换器,以及经由第二断路器连接到电网的电力转换器。 根据该方法,监测电网过电压事件。 如果检测到过电压事件,则该方法包括打开第一断路器和第二断路器,禁用功率转换器的主动操作,将功率消耗单元连接到功率发生器,以耗散从发电机输出的功率,并移动 所述至少一个叶片的俯仰角朝向羽状位置。

    A METHOD OF OPERATING A WIND TURBINE AS WELL AS A SYSTEM SUITABLE THEREOF
    4.
    发明公开
    A METHOD OF OPERATING A WIND TURBINE AS WELL AS A SYSTEM SUITABLE THEREOF 审中-公开
    一种操作风力涡轮机的方法以及适合的系统

    公开(公告)号:EP2875238A1

    公开(公告)日:2015-05-27

    申请号:EP13739350.0

    申请日:2013-07-12

    Abstract: A method of operating a wind turbine is provided. The wind turbine comprises a turbine rotor with at least one blade having a variable pitch angle, a power generator, and a power converter connected to the power generator via a first circuit breaker and to a power grid via a second circuit breaker. According to the method, overvoltage events at the power grid are monitored. If an overvoltage event is detected, the method comprises opening the first circuit breaker and the second circuit breaker, disabling active operation of the power converter, connecting a power dissipating unit to the power generator to dissipate power output from the power generator, and moving the pitch angle of the at least one blade towards a feathered position.

    Abstract translation: 提供了一种操作风力涡轮机的方法。 该风力涡轮机包括具有至少一个具有可变桨距角的叶片的涡轮机转子,发电机和经由第一断路器连接到发电机并经由第二断路器连接到电网的电力转换器。 根据该方法,监测电网的过电压事件。 如果检测到过电压事件,则该方法包括断开第一断路器和第二断路器,禁用功率变换器的有效操作,将功率消耗单元连接到功率发生器以耗散从功率发生器输出的功率, 该至少一个叶片朝向顺桨位置的倾斜角。

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