公开(公告)号：WO2016055069A1

公开(公告)日：2016-04-14

申请号：PCT/DK2015/050287

申请日：2015-09-22

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： NIELSEN, John Godsk ,  ANDERSEN, Søren ,  DOAN, Duy Duc ,  HELLE, Lars

IPC: H02J3/16 ,  F03D7/00 ,  H02J3/18 ,  H02J3/38

CPC classification number: H02J3/1885 ,  F03D7/0272 ,  F03D7/0284 ,  F05B2270/1033 ,  H02H7/067 ,  H02J3/16 ,  H02J3/18 ,  H02J3/28 ,  H02J3/386 ,  H02P9/04 ,  Y02E10/723 ,  Y02E10/763 ,  Y02E40/34

Abstract: The present invention relates to a method for operating a wind power facility in order to provide reactive power support to a power grid, the method comprising the step of increasing an amount of reactive power injected into the power grid, decreasing an amount of active power injected into the power grid by a certain amount, and dissipating and/or storing essentially said certain amount of active power in power dissipation and/or power storage means. The wind power facility may comprise a wind turbine or a wind power plant.

Abstract translation: 本发明涉及一种用于操作风力发电设备以便向电力网提供无功功率支持的方法，所述方法包括增加注入到电网中的无功功率量的步骤，减少注入的有功功率的量 进入电网一定量，并将功率消耗和/或功率存储装置中的基本上所述一定量的有功功率消耗和/或存储。 风力发电设施可以包括风力涡轮机或风力发电厂。

公开(公告)号：WO2011120523A2

公开(公告)日：2011-10-06

申请号：PCT/DK2011/050095

申请日：2011-03-23

Applicant: VESTAS WIND SYSTEMS A/S ,  LI, Bing ,  TRIPATHI, Anshuman ,  CAO, Shu, Yu ,  GUPTA, Amit, Kumar ,  SNG, Eng, Kian, Kenneth ,  HELLE, Lars

Inventor： LI, Bing ,  TRIPATHI, Anshuman ,  CAO, Shu, Yu ,  GUPTA, Amit, Kumar ,  SNG, Eng, Kian, Kenneth ,  HELLE, Lars

CPC classification number: F03D9/255 ,  H02J3/386 ,  Y02E10/72 ,  Y02E10/763

Abstract: 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.

Abstract translation: 根据实施例，提供了一种操作包括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 。

公开(公告)号：WO2011037537A2

公开(公告)日：2011-03-31

申请号：PCT/SG2010/000350

申请日：2010-09-20

Applicant: VESTAS WIND SYSTEMS A/S ,  BO, Yin ,  DENG, Heng ,  LARSEN, Kim B. ,  HELLE, Lars ,  LAU, Mogens

Inventor： BO, Yin ,  DENG, Heng ,  LARSEN, Kim B. ,  HELLE, Lars ,  LAU, Mogens

CPC classification number: H02J3/386 ,  Y02E10/763

Abstract: A method for controlling a power converter in a wind turbine generator, the power converter being connected to a power grid, the method comprising obtaining an alternating current (AC) line voltage at a connection point between the power converter and the power grid, obtaining a frequency of the power grid based on the AC line voltage, dynamically adapting the AC line voltage to the frequency of the power grid, generating a reference signal based on at least the frequency-adapted AC line voltage, and determining a converter control signal to be provided to the power converter based on the reference signal and the grid frequency in order to generate a power at the frequency of the power grid. Further, a wind turbine generator implementing the method is provided.

Abstract translation: 一种用于控制风力涡轮发电机中的功率转换器的方法，所述功率转换器连接到电网，所述方法包括在所述功率转换器和所述电网之间的连接点处获得交流（AC）线路电压，获得 根据交流线路电压对电力网的频率进行动态调整，将交流线路电压动态地调整到电力网的频率，至少基于频率适配的交流线路电压产生参考信号，并且确定转换器控制信号为 基于参考信号和电网频率提供给功率转换器，以便产生电力频率的功率。 此外，提供了实现该方法的风力涡轮发电机。

公开(公告)号：WO2011034500A1

公开(公告)日：2011-03-24

申请号：PCT/SG2010/000338

申请日：2010-09-14

Applicant: VESTAS WIND SYSTEMS A/S ,  CAO, Shu Yu ,  TRIPATHI, Anshuman ,  LARSEN, Kim B. ,  ANDERSEN, Gert Karmisholt ,  HELLE, Lars

Inventor： CAO, Shu Yu ,  TRIPATHI, Anshuman ,  LARSEN, Kim B. ,  ANDERSEN, Gert Karmisholt ,  HELLE, Lars

IPC: H02J3/38 ,  H02P9/00

CPC classification number: F03D7/0272 ,  H02J3/386 ,  H02P9/48 ,  H02P21/141 ,  H02P2101/15 ,  Y02E10/763

Abstract: A method of controlling a wind turbine generator is provided, the wind turbine generator converting mechanical energy to electrical. The method comprises: determining an electromagnetic power reference representing the electromagnetic power generated by the wind turbine generator, wherein the electromagnetic power reference is determined based on a desired output of the wind turbine generator; controlling the electrical power generated by the wind turbine generator using a control signal, wherein the control signal is derived from the electromagnetic power reference and is modified in dependence on an inverse power function of the wind turbine generator by incorporating minimal copper loss constraint and stator voltage limiting constraint such that non-linearity of the wind turbine generator plant is compensated in the control loop and it operates at its maximum efficiency. One effect of the method is that classical linear control loop design can be employed in spite of the plant being a non-linear identity.

Abstract translation: 提供了一种控制风力发电机的方法，风力发电机将机械能转换为电力。 该方法包括：确定表示由风力涡轮发电机产生的电磁功率的电磁功率参考，其中基于风力涡轮发电机的期望输出来确定电磁功率基准; 使用控制信号来控制由风力涡轮发电机产生的电力，其中控制信号是根据电磁功率参考导出的，并且根据风力涡轮发电机的反功率函数，通过并入最小铜损约束和定子电压 使得在控制回路中补偿风力发电机组的非线性，并以其最大效率运行。 该方法的一个效果是尽管植物是非线性身份，但是可以采用经典的线性控制回路设计。

公开(公告)号：WO2010049412A1

公开(公告)日：2010-05-06

申请号：PCT/EP2009/064133

申请日：2009-10-27

Applicant: Vestas Wind Systems A/S ,  GUPTA, Saurabh ,  HELLE, Lars ,  TRIPATHI, Anshuman ,  JÖRGENSEN, Allan Holm ,  SHU YU, Cao

Inventor： GUPTA, Saurabh ,  HELLE, Lars ,  TRIPATHI, Anshuman ,  JÖRGENSEN, Allan Holm ,  SHU YU, Cao

IPC: H02P9/10 ,  H02P21/00

CPC classification number: H02P21/12 ,  H02P9/105 ,  H02P9/107 ,  H02P21/22 ,  H02P23/30 ,  H02P27/12 ,  H02P2101/15

Abstract: A method for controlling a variable speed wind turbine generator is disclosed. The generator is connected to a power converter comprising switches. The generator comprises a stator and a set of terminals connected to the stator and to the switches of the power converter. The method comprises: determining a stator flux reference value corresponding to a generator power of a desired magnitude, determining an estimated stator flux value corresponding to an actual generator power, determining a difference between the determined stator flux reference value and the estimated stator flux value, and operating said switches in correspondence to the determined stator flux reference value and the estimated stator flux value to adapt at least one stator electrical quantity to obtain said desired generator power magnitude.

Abstract translation: 公开了一种用于控制变速风力发电机的方法。 发电机连接到包括开关的功率转换器。 发电机包括定子和连接到定子和功率转换器的开关的一组端子。 该方法包括：确定对应于期望幅度的发电机功率的定子通量参考值，确定对应于实际发电机功率的估计的定子通量值，确定所确定的定子通量参考值与估计的定子通量值之间的差值， 以及对应于所确定的定子通量参考值和所估计的定子通量值来操作所述开关，以使至少一个定子电量适应以获得所述期望的发电机功率大小。

公开(公告)号：WO2021115541A1

公开(公告)日：2021-06-17

申请号：PCT/DK2020/050340

申请日：2020-12-01

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： DINCAN, Catalin Gabriel ,  GERÇEK, Cem Özgür ,  HELLE, Lars ,  KJÆR, Philip Carne

IPC: B60L53/52 ,  B60L53/53 ,  B60L53/57 ,  F03D9/11 ,  H02J7/34 ,  B60L53/10

Abstract: An off grid electric system for charging electric vehicles. A plurality of wind turbines (WT1, WT2, WT3, WT4) serve to generate respective electric power outputs, and an electric storage system (BTS), e.g. Li-ion batteries, is arranged to store electric power generated by the wind turbines. A plurality of electric vehicle charging stations (VC1, VC2, VC3, VC4) are connected to the plurality of wind turbines, and the electric storage system by means of an off grid electric power network (CN), so as to allow each charging station to charge at least one electric vehicle (EV). In preferred embodiments, the wind turbines have permanent magnet generators that generate Medium Voltage AC outputs, e.g. 4-8 kV, and generate Medium Voltage DC outputs by means of a DC-DC converter placed down-tower. In some embodiments the DC-DC converter is placed in a kiosk near the wind turbine, whereas the EV charging stations are placed 25-500 m further away from the wind turbine. Such off grid wind turbine systems are feasible for e.g. charging of large fleets of EVs, especially in embodiments where a weather forecast is used to control electric power distribution between electric storage and wind turbines in response to a prediction of available wind turbine electric power.

公开(公告)号：WO2019141334A1

公开(公告)日：2019-07-25

申请号：PCT/DK2019/050025

申请日：2019-01-22

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： LINDHOLM, Morten ,  NIELSEN, Thomas S. Bjertrup ,  PETERSEN, Torben ,  HELLE, Lars

IPC: F03D5/06 ,  F03D7/00 ,  H02J3/38 ,  H02J3/16 ,  B64C31/06 ,  H02J3/32

Abstract: The present invention relates to wind energy park connected to an electrical grid, having airborne wind energy systems (AWES, 100), e.g. with kites (101). The wind energy park (WEP) has an electrical DC network (506) connecting the plurality of AWES and a grid converter unit (504) for converting DC to AC, and transmit AC to the electrical grid. The wind energy park control unit (503) controls the AWES to produce electrical power to the electrical grid by alternating between a power production phase, and a recovery phase so to balance the supply of power to the electrical grid according a demanded setpoint. An advantage is that the grid converter may be smaller, as compared to an AC network, because the power is evened out with the negative power from the AWES being in recovery phase. In this way, the invention stabilises the grid and has a grid forming capability.

公开(公告)号：WO2019120404A1

公开(公告)日：2019-06-27

申请号：PCT/DK2018/050327

申请日：2018-12-05

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： ANDERSEN, Gert Karmisholt ,  HELLE, Lars ,  DYRLUND, Poul Møhl ,  RABI, Morteza ,  DOAN, Duy Duc

IPC: H02J3/38 ,  F03D7/02 ,  F03D7/04

Abstract: A method for use in controlling a wind turbine generator (1) of a wind power plant based on a condition of a power converter or a component forming part of a power converter in the wind power plant. The method comprises determining the initial condition of the power converter or a component forming part of a power converter and determining the evolution of the condition from the initial condition based on notional power reference values of the wind turbine generator (1). The method further comprises comparing the evolution of the condition to a predetermined threshold and determining, from the comparison, a time period by which the condition of the power converter or a component forming part of a power converter will substantially equal the predetermined threshold.

公开(公告)号：WO2018036596A1

公开(公告)日：2018-03-01

申请号：PCT/DK2017/050261

申请日：2017-08-11

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： ANDERSEN, Gert Karmisholt ,  TANGE, Kent ,  ANDERSEN, Søren ,  DOAN, Duy Duc ,  BILTOFT, Jens Peter ,  HELLE, Lars ,  NIELSEN, John Godsk

IPC: H02P9/02 ,  H02M5/44

Abstract: A method of controlling a wind turbine generator (1) comprising an electrical generator (10) and a power converter (12), the power converter (12) comprising an electrical switch (14a, 14b) that is configured to process electrical power produced by the electrical generator (10), the method comprising: controlling an output from the electrical switch (14a, 14b) using a variable pulse-width modulated control signal, thereby to control characteristics of output power from the power converter (12); acquiring sample data (26) relating to an electronic signal within the wind turbine generator (1), wherein the sample data (26) is used for controlling the wind turbine generator (1); and dynamically adjusting a frequency (30) at which the sample data is acquired to synchronise data acquisition with a carrier frequency (24) of the control signal.

Abstract translation: （10）和功率转换器（12）的风力涡轮发电机（1）的控制方法，所述功率转换器（12）包括电气开关（14a，14b），所述电气开关 被配置为处理由所述发电机（10）产生的电力，所述方法包括：使用可变脉宽调制控制信号来控制来自所述电开关（14a，14b）的输出，由此控制来自所述发电机 功率转换器（12）; 获取与所述风力涡轮发电机（1）内的电子信号有关的采样数据（26），其中所述采样数据（26）用于控制所述风力涡轮发电机（1）; 以及动态地调整采样数据被采集的频率（30）以使数据采集与控制信号的载波频率（24）同步。

公开(公告)号：WO2012076015A2

公开(公告)日：2012-06-14

申请号：PCT/DK2011/050465

申请日：2011-12-07

Applicant: VESTAS WIND SYSTEMS A/S ,  GUPTA, Amit Kumar ,  TRIPATHI, Anshuman ,  STYHM, Ove ,  HELLE, Lars ,  KARUPPANAN, Yugarajan ,  OPINA, Gil Jr Lampong

Inventor： GUPTA, Amit Kumar ,  TRIPATHI, Anshuman ,  STYHM, Ove ,  HELLE, Lars ,  KARUPPANAN, Yugarajan ,  OPINA, Gil Jr Lampong

IPC: F03D1/00

CPC classification number: F03D7/0264 ,  F03D9/255 ,  H02J3/386 ,  Y02E10/72 ,  Y02E10/763

Abstract: According to an embodiment of the present invention, a method of operating a wind turbine including a power generator, a generator/machine side converter connected to the power generator, a grid/line side converter connected to a power grid through power components, and a DC-link connected between the machine side converter and the line side converter, comprises: Monitoring the power grid for overvoltage events; if an overvoltage event is detected disabling active operation of the machine side converter and of the line side converter, enabling an AC- load dump connected between the machine side converter and the power generator in order to dissipate active power output by the power generator into the AC-load dump, waiting for a waiting period, and enabling active operation of the line side converter and the machine side converter if the overvoltage ends within the waiting period.

Abstract translation: 根据本发明的实施例，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/机器侧转换器，通过功率部件连接到电网的电网/线路侧转换器，以及 连接在机器侧转换器和线路侧转换器之间的直流母线包括：监控电网的过压事件; 如果检测到过电压事件禁止机器侧转换器和线路侧转换器的主动操作，则能够连接在机器侧转换器和发电机之间的AC负载转储器，以将发电机的有功功率输出消耗到 交流负载突降，等待等待期，如果过电压在等待期结束，则启用线路侧转换器和机侧转换器的有效工作。