公开(公告)号：US10461536B2

公开(公告)日：2019-10-29

申请号：US13824262

申请日：2011-12-23

申请人： Jens Fortmann

发明人： Jens Fortmann

IPC分类号： H02J3/18 ,  F03D9/25 ,  H02J3/16

摘要： Operating a wind farm in which the power generated by the wind energy installations is fed to a power supply system via a system internal to the wind farm and via a substation is disclosed. The farm director of the wind farm can ascertain a standard target voltage value and transmit it to the control units of the individual wind energy installations on the wind farm, which can use an overall factor to regulate the reactive power generated by a wind energy installation. The overall factor can be calculated from the difference between the actual voltage across the wind energy installation and the target voltage value, multiplied by a gain factor. On account of the impedance in the internal system of the wind farm, wind energy installations situated far away from the substation thus generate less reactive power than the wind energy installations which are situated close to the substation.

公开(公告)号：US20130175800A1

公开(公告)日：2013-07-11

申请号：US13824271

申请日：2011-12-23

申请人： Roman Bluhm ,  Jens Fortmann

发明人： Roman Bluhm ,  Jens Fortmann

IPC分类号： H02P9/04

CPC分类号： H02P9/04 ,  F03D7/0284 ,  F03D7/048 ,  F03D9/257 ,  F05B2270/1071 ,  F05B2270/337 ,  H02J3/386 ,  Y02E10/723 ,  Y02E10/763

摘要： A method for operating a wind farm and to a wind farm is disclosed. When a wind farm and the wind energy installations involve target values for the reactive power being prescribed by a farm regulatory device, said target values for the reactive power ignored by the control units when controlling the respective wind energy installation in the event of a power supply system fault in the power supply system. Only when the power supply system fault has been rectified are said target values considered by the control units again for controlling the respective wind energy installation.

摘要翻译： 公开了一种用于操作风电场和风电场的方法。 当风力发电场和风能装置涉及由农场调节装置规定的无功功率的目标值时，控制单元在供电情况下控制相应的风能装置时忽略的无功功率的目标值 电源系统中的系统故障。 只有当电源系统故障得到纠正时，控制单元再次考虑控制各风电装置的目标值。

公开(公告)号：US08378515B2

公开(公告)日：2013-02-19

申请号：US12682438

申请日：2008-10-09

申请人： Jens Fortmann

发明人： Jens Fortmann

IPC分类号： F03D9/00 ,  H02P9/04 ,  F03B13/00

CPC分类号： F03D9/257 ,  F03D9/255 ,  F05B2270/337 ,  H02J3/386 ,  Y02E10/72 ,  Y02E10/763

摘要： A network disturbance module for a control device of a wind energy installation having a generator driven by a wind rotor and a converter for producing electrical power fed into a network. The module includes a measurement device configured to measure at least one electrical parameter of the network, a detector configured to identify a network disturbance and output a switching signal, and a reference generator configured to produce a substitute reference vector for the converter based on the at least one electrical parameter. The module also includes a fault management unit comprising a fault classifier, the unit being configured to interact with the measurement device, detector, and reference generator such that, in the event of an undervoltage during island operation, a quick-action frequency regulator is activated. The regulator acts on the converter to vary a real-power feed P in the event of a discrepancy in a network frequency.

摘要翻译： 一种用于具有由风力发电机驱动的发电机的风能设备的控制装置的网络干扰模块和用于产生馈送到网络中的电力的转换器。 该模块包括被配置为测量网络的至少一个电参数的测量设备，被配置为识别网络干扰并输出切换信号的检测器，以及参考发生器，其被配置为基于所述转换器产生用于所述转换器的替代参考向量 至少一个电气参数。 该模块还包括故障管理单元，该故障管理单元包括故障分类器，该单元被配置为与测量装置，检测器和参考发生器相互作用，使得在岛操作期间发生欠电压时，启动快速频率调节器 。 调节器作用于转换器，以在网络频率出现差异的情况下改变实际供电P。

公开(公告)号：US20110099908A1

公开(公告)日：2011-05-05

申请号：US12925821

申请日：2010-10-29

申请人： Jens Fortmann

发明人： Jens Fortmann

IPC分类号： E05F11/53

CPC分类号： G03B11/041 ,  G06F1/1613 ,  G06F1/1686 ,  H04N5/2252

摘要： A closure device for an image capture facility, such as a webcam or the like, integrated in a piece of equipment, includes at least one frame which is able to be fastened on the surface of the piece of equipment, and at least one closure, held so as to be adjustably movable on the frame via a mounting, which is able to be brought into a closed position covering the image capture facility or into an open position exposing the image capture facility.

摘要翻译： 集成在一件设备中的用于诸如网络摄像机等的图像捕获设备的封闭装置包括至少一个框架，该框架能够紧固在设备的表面上，以及至少一个封闭件， 被保持为能够通过安装件在框架上可调节地移动，该安装件能够被覆盖到图像捕获设备的关闭位置或暴露图像捕获设备的打开位置。

公开(公告)号：US20100327584A1

公开(公告)日：2010-12-30

申请号：US12735852

申请日：2009-02-18

申请人： Jens Fortmann

发明人： Jens Fortmann

IPC分类号： H02P9/04 ,  H02P9/48 ,  H02P9/10

CPC分类号： H02J3/18 ,  F03D9/25 ,  F03D9/255 ,  H02J3/1892 ,  H02J3/386 ,  H02M5/4585 ,  H02P9/007 ,  H02P2101/15 ,  H02P2207/01 ,  Y02E10/725 ,  Y02E10/763 ,  Y02E40/30

摘要： A method for controlling a converter of a wind energy installation. The converter is connected to a rotor of a doubly-fed asynchronous generator for feeding electrical power into an electrical grid and comprises a generator-side inverter, a grid-side inverter, and at least one converter regulator for regulating and/or controlling currents emitted from at least one of the inverters to at least one of the generator and the electrical grid. The method includes detecting a change in electrical voltage present in at least one of emitted real currents and emitted reactive currents at one of the inverters, determining whether the detected change corresponds to a predetermined change, and changing nominal values of at least one of real currents to be emitted and reactive currents to be emitted from the other inverter if the detected change corresponds to the predetermined change.

摘要翻译： 一种用于控制风能设备的转换器的方法。 转换器连接到双馈异步发电机的转子，用于将电力馈送到电网中，并且包括发电机侧逆变器，电网侧逆变器和用于调节和/或控制发射的电流的至少一个转换器调节器 从至少一个逆变器到发电机和电网中的至少一个。 该方法包括检测存在于发射的实际电流和发射的无功电流中的至少一个中的电压的变化，确定检测到的改变是否对应于预定的变化，以及改变至少一个实际电流的标称值 如果检测到的变化对应于预定变化，则被发射和从另一个逆变器发射的无功电流。

公开(公告)号：US09344025B2

公开(公告)日：2016-05-17

申请号：US13824271

申请日：2011-12-23

申请人： Roman Bluhm ,  Jens Fortmann

发明人： Roman Bluhm ,  Jens Fortmann

IPC分类号： H02P9/04 ,  F03D7/02 ,  F03D7/04 ,  F03D9/00 ,  H02J3/38

CPC分类号： H02P9/04 ,  F03D7/0284 ,  F03D7/048 ,  F03D9/257 ,  F05B2270/1071 ,  F05B2270/337 ,  H02J3/386 ,  Y02E10/723 ,  Y02E10/763

摘要： A method for operating a wind farm and to a wind farm is disclosed. When a wind farm and the wind energy installations involve target values for the reactive power being prescribed by a farm regulatory device, said target values for the reactive power ignored by the control units when controlling the respective wind energy installation in the event of a power supply system fault in the power supply system. Only when the power supply system fault has been rectified are said target values considered by the control units again for controlling the respective wind energy installation.

摘要翻译： 公开了一种用于操作风电场和风电场的方法。 当风力发电场和风能装置涉及由农场调节装置规定的无功功率的目标值时，控制单元在供电情况下控制相应的风能装置时忽略的无功功率的目标值 电源系统中的系统故障。 只有当电源系统故障得到纠正时，控制单元再次考虑控制各风电装置的目标值。

公开(公告)号：US20130241201A1

公开(公告)日：2013-09-19

申请号：US13702609

申请日：2011-06-03

申请人： Jens Fortmann

发明人： Jens Fortmann

IPC分类号： H02P9/04

CPC分类号： H02P9/04 ,  H02J3/16 ,  H02J3/26 ,  H02J3/386 ,  Y02E10/763 ,  Y02E40/34 ,  Y02E40/50

摘要： A method is employed for operating a wind turbine. Electrical energy is produced by means of a generator and is fed into an electrical power network. The electrical energy is fed to the secondary side of a transformer at a low voltage and is output on the primary side of the transformer at a higher voltage. The potential on the primary side of the transformer is undefined. In the method, a measured value of the voltage between the primary side of the transformer and the earth potential is first recorded. The measured value is compared with a predefined limit value. The electrical energy produced by the generator is changed if the measured value exceeds the limit value. A wind turbine is designed to carry out the method. Faults in the medium voltage network can be reacted to without an additional star point on the primary side of the transformer being required.

摘要翻译： 采用一种用于操作风力涡轮机的方法。 电能通过发电机产生并被馈送到电力网络中。 电能以低电压馈送到变压器的次级侧，并以更高的电压输出到变压器的初级侧。 变压器初级侧的电位未定义。 在该方法中，首先记录变压器初级侧与地电位之间的电压的测量值。 将测量值与预定义的极限值进行比较。 如果测量值超过极限值，发电机产生的电能就会改变。 风力发电机设计用于执行该方法。 中压网络中的故障可以反应，而不需要变压器初级侧的额外的星点。

公开(公告)号：US20130175870A1

公开(公告)日：2013-07-11

申请号：US13824262

申请日：2011-12-23

申请人： Jens Fortmann

发明人： Jens Fortmann

IPC分类号： H02J3/18

CPC分类号： H02J3/18 ,  F03D9/257 ,  F05B2270/337 ,  H02J3/16 ,  Y02E10/72 ,  Y02E40/34 ,  Y10T307/718

摘要： Operating a wind farm in which the power generated by the wind energy installations is fed to a power supply system via a system internal to the wind farm and via a substation is disclosed. The farm director of the wind farm can ascertain a standard target voltage value and transmit it to the control units of the individual wind energy installations on the wind farm, which can use an overall factor to regulate the reactive power generated by a wind energy installation. The overall factor can be calculated from the difference between the actual voltage across the wind energy installation and the target voltage value, multiplied by a gain factor. On account of the impedance in the internal system of the wind farm, wind energy installations situated far away from the substation thus generate less reactive power than the wind energy installations which are situated close to the substation.

摘要翻译： 公开了将风力发电设备产生的电力通过风力发电场内部的系统和变电站供给到供电系统的风电场。 风电场的农场总监可以确定标准的目标电压值，并将其传送到风力发电场的各个风力发电设备的控制单元，可以利用整体因素来调节风力发电设备产生的无功功率。 总体因素可以根据风能设备的实际电压与目标电压值之差乘以增益因子来计算。 由于风力发电场内部系统的阻抗，位于远离变电站的风能设备因此产生的功率小于位于靠近变电站的风能设备。

公开(公告)号：US08390139B2

公开(公告)日：2013-03-05

申请号：US12735852

申请日：2009-02-18

申请人： Jens Fortmann

发明人： Jens Fortmann

IPC分类号： F03D9/00

CPC分类号： H02J3/18 ,  F03D9/25 ,  F03D9/255 ,  H02J3/1892 ,  H02J3/386 ,  H02M5/4585 ,  H02P9/007 ,  H02P2101/15 ,  H02P2207/01 ,  Y02E10/725 ,  Y02E10/763 ,  Y02E40/30

摘要： A method for controlling a converter of a wind energy installation. The converter is connected to a rotor of a doubly-fed asynchronous generator for feeding electrical power into an electrical grid and comprises a generator-side inverter, a grid-side inverter, and at least one converter regulator for regulating and/or controlling currents emitted from at least one of the inverters to at least one of the generator and the electrical grid. The method includes detecting a change in electrical voltage present in at least one of emitted real currents and emitted reactive currents at one of the inverters, determining whether the detected change corresponds to a predetermined change, and changing nominal values of at least one of real currents to be emitted and reactive currents to be emitted from the other inverter if the detected change corresponds to the predetermined change.

摘要翻译： 一种用于控制风能设备的转换器的方法。 转换器连接到双馈异步发电机的转子，用于将电力馈送到电网中，并且包括发电机侧逆变器，电网侧逆变器和用于调节和/或控制发射的电流的至少一个转换器调节器 从至少一个逆变器到发电机和电网中的至少一个。 该方法包括检测存在于发射的实际电流和发射的无功电流中的至少一个中的电压的变化，确定检测到的改变是否对应于预定的变化，以及改变至少一个实际电流的标称值 如果检测到的变化对应于预定变化，则被发射和从另一个逆变器发射的无功电流。

公开(公告)号：US08283803B2

公开(公告)日：2012-10-09

申请号：US12612496

申请日：2009-11-04

申请人： Jens Fortmann ,  Friedrich Koch

发明人： Jens Fortmann ,  Friedrich Koch

IPC分类号： H02J1/10

CPC分类号： H02J3/50 ,  H02J3/383 ,  Y02E10/563 ,  Y10T307/25 ,  Y10T307/50 ,  Y10T307/549 ,  Y10T307/718 ,  Y10T307/724

摘要： A wind farm in which electrical power produced in the wind farm is transported via a wind-farm-internal network to a substation. Upon being transferred to an external network, the electrical power is transformed to a voltage which is higher by a selectable step-up ratio than the voltage in the wind-farm-internal network. The electrical load level on a wind energy installation in the wind farm is determined, and the step-up ratio is adjusted as a function of the electrical load level. Accordingly, it is possible to influence the voltage in the wind-farm-internal network such that the wind energy installations are subject to a lower electrical load level.

摘要翻译： 将风力发电场产生的电力经由风电场内部网络运输到变电站的风力发电场。 当被转移到外部网络时，电力被转换成比在风电场内部网络中的电压更高的选择的升压比的电压。 确定风电场中风力发电设备上的电气负载水平，并根据电气负载水平调节升压比。 因此，可以影响风电场内部网络中的电压，使得风能设备经受较低的电负荷水平。