公开(公告)号：US20130043845A1

公开(公告)日：2013-02-21

申请号：US13589480

申请日：2012-08-20

申请人： Ulrich Harms ,  Malte Laubrock

发明人： Ulrich Harms ,  Malte Laubrock

IPC分类号： H02H7/06

CPC分类号： F03D7/0284 ,  F05B2270/335 ,  F05B2270/337 ,  Y02E10/723

摘要： A method for operating a wind turbine when a grid fault with a voltage drop occurs. The turbine has a rotor with a rotor blade having an adjustable blade pitch angle, a generator connected to the rotor for generating power for a power grid and a converter connected to the generator and the power grid. The grid fault is identified and a present value of a turbine variable representing a power is detected and a hold setpoint for the variable representing a power of the turbine is preset. A maximum and/or minimum permissible setpoint for the variable of the turbine is determined. The setpoint is increased or reduced once the hold time has elapsed. The turbine is driven with a setpoint preset which corresponds to the rotational speed. A presetting of the maximum permissible setpoint is ended when the rotational speed-dependent setpoint is lower than the maximum permissible setpoint.

摘要翻译： 当发生具有电压降的电网故障时，用于操作风力涡轮机的方法。 涡轮机具有转子，转子叶片具有可调的叶片俯仰角，连接到转子的发电机，用于为电网发电，连接到发电机和电网的转换器。 识别出电网故障，并且检测到表示功率的涡轮机变量的当前值，并且为表示涡轮机的功率的变量设置保持设定值。 确定涡轮变量的最大和/或最小允许设定值。 一旦保持时间过去，设定值就会增加或减少。 涡轮机以对应于转速的设定点预设来驱动。 当转速相关的设定点低于最大允许设定值时，最大允许设定值的预设结束。

公开(公告)号：US08686581B2

公开(公告)日：2014-04-01

申请号：US13589480

申请日：2012-08-20

申请人： Ulrich Harms ,  Malte Laubrock

发明人： Ulrich Harms ,  Malte Laubrock

IPC分类号： F03D9/00 ,  H02P9/04 ,  H02P9/10 ,  H02P9/14

CPC分类号： F03D7/0284 ,  F05B2270/335 ,  F05B2270/337 ,  Y02E10/723

摘要： A method for operating a wind turbine when a grid fault with a voltage drop occurs. The turbine has a rotor with a rotor blade having an adjustable blade pitch angle, a generator connected to the rotor for generating power for a power grid and a converter connected to the generator and the power grid. The grid fault is identified and a present value of a turbine variable representing a power is detected and a hold setpoint for the variable representing a power of the turbine is preset. A maximum and/or minimum permissible setpoint for the variable of the turbine is determined. The setpoint is increased or reduced once the hold time has elapsed. The turbine is driven with a setpoint preset which corresponds to the rotational speed. A presetting of the maximum permissible setpoint is ended when the rotational speed-dependent setpoint is lower than the maximum permissible setpoint.

摘要翻译： 当发生具有电压降的电网故障时，用于操作风力涡轮机的方法。 涡轮机具有转子，转子叶片具有可调的叶片俯仰角，连接到转子的发电机，用于为电网发电，连接到发电机和电网的转换器。 识别出电网故障，并且检测到表示功率的涡轮机变量的当前值，并且为表示涡轮机的功率的变量设置保持设定值。 确定涡轮变量的最大和/或最小允许设定值。 一旦保持时间过去，设定值就会增加或减少。 涡轮机以对应于转速的设定点预设来驱动。 当转速相关的设定点低于最大允许设定值时，最大允许设定值的预设结束。

公开(公告)号：US07501798B2

公开(公告)日：2009-03-10

申请号：US11775984

申请日：2007-07-11

申请人： Malte Laubrock ,  Thomas Paul Woldmann ,  Soren Bilges

发明人： Malte Laubrock ,  Thomas Paul Woldmann ,  Soren Bilges

IPC分类号： H02P9/44

CPC分类号： F03D7/044 ,  F03D7/0272 ,  F03D7/0292 ,  F03D15/00 ,  F03D15/10 ,  F03D80/00 ,  F05B2260/96 ,  F05B2270/327 ,  Y02E10/723

摘要： A method for the active damping of a drive train in wind energy plant, with the following steps: the actual value of the generator rotational speed is acquired and amplified via an oscillatory delay element, the oscillatory delay element has a predetermined natural oscillation frequency (ωE), which is smaller than the smallest natural frequency of the drive train, and a difference between the actual value of the rotational speed and the amplified value for the rotational speed is connected to a controller as actuating variable, which determines a correction moment for a generator control.

摘要翻译： 一种用于风力发电厂传动系主动阻尼的方法，其特征在于以下步骤：通过振荡延迟元件获取并放大发电机转速的实际值，振荡延迟元件具有预定的固有振荡频率 ），其小于传动系的最小固有频率，并且转速的实际值和转速的放大值之间的差与控制器连接，作为致动变量，其确定用于 发电机控制。

公开(公告)号：US20080265846A1

公开(公告)日：2008-10-30

申请号：US11775984

申请日：2007-07-11

申请人： Malte Laubrock ,  Thomas Paul Woldmann ,  Soren Bilges

发明人： Malte Laubrock ,  Thomas Paul Woldmann ,  Soren Bilges

IPC分类号： H02P9/06 ,  F03D11/00

CPC分类号： F03D7/044 ,  F03D7/0272 ,  F03D7/0292 ,  F03D15/00 ,  F03D15/10 ,  F03D80/00 ,  F05B2260/96 ,  F05B2270/327 ,  Y02E10/723

摘要： A method for the active damping of a drive train in wind energy plant, with the following steps: the actual value of the generator rotational speed is acquired and amplified via an oscillatory delay element, the oscillatory delay element has a predetermined natural oscillation frequency (ωE), which is smaller than the smallest natural frequency of the drive train, and a difference between the actual value of the rotational speed and the amplified value for the rotational speed is connected to a controller as actuating variable, which determines a correction moment for a generator control.

摘要翻译： 一种风力发电厂传动系主动阻尼的方法，具体步骤如下：通过振荡延迟元件获取并放大发电机转速的实际值，振荡延迟元件具有预定的固有振荡频率（ω 其小于传动系的最小固有频率，并且转速的实际值与转速的放大值之间的差与控制器连接作为致动变量 ，其确定发电机控制的校正时刻。