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    WIND TURBINE GENERATOR CONTROL METHOD AND SYSTEM
    41.
    发明公开
    WIND TURBINE GENERATOR CONTROL METHOD AND SYSTEM 审中-公开

    公开(公告)号：EP3384153A1

    公开(公告)日：2018-10-10

    申请号：EP16808906.8

    申请日：2016-12-01

    Applicant: Vestas Wind Systems A/S

    Inventor： NIELSEN, John Godsk ,  DOAN, Duy Duc ,  ANDERSEN, Søren ,  ANDERSEN, Gert Karmisholt

    IPC: F03D7/02 ,  F03D7/04 ,  H02J3/38

    CPC classification number: F03D7/042 ,  F03D7/026 ,  F03D7/0264 ,  F05B2270/3201 ,  H02J3/386 ,  H02M5/4585 ,  Y02E10/723 ,  Y02E10/763

    Abstract: A method for controlling a wind turbine system including an electrical generator, a power converter system, a DC-link, and at least a grid-side breaker arrangement controllable between open and closed states, wherein the method comprises monitoring for the presence of a shutdown event and, in response to identifying the presence of a shutdown event, controlling the wind turbine into a production-ready state, comprising: i) controlling the grid-side breaker arrangement in the closed state; ii) disabling one or more drive signals to the power converter system; and iii) controlling the DC-link of the power converter system in a charged state. Advantageously, this approach reduces the frequency of use of the grid-side breaker arrangement which extends serviceable life considerably, and also allows the wind turbine system to be transitioned rapidly between an operating state and a production-ready state.

    CONVERTERS FOR WIND TURBINE GENERATORS
    43.
    发明公开
    CONVERTERS FOR WIND TURBINE GENERATORS 审中-公开
    UMSETZERFÜRWINDTBINENGENERATOREN

    公开(公告)号：EP3058636A1

    公开(公告)日：2016-08-24

    申请号：EP14786792.3

    申请日：2014-10-14

    Applicant: Vestas Wind Systems A/S

    Inventor： ABEYASEKERA, Tusitha ,  DOAN, Duy Duc ,  HELLE, Lars ,  JØRGENSEN, Allan Holm ,  NIELSEN, John Godsk ,  ANDERSEN, Søren

    IPC: H02J3/28 ,  F03D9/00 ,  G01R19/165 ,  H02K19/34 ,  H02K21/48 ,  H02M1/12 ,  H02H7/12 ,  H02H7/26 ,  H02J3/38 ,  H02M7/49

    CPC classification number: H02M5/42 ,  F03D9/255 ,  G01R31/40 ,  H02H3/105 ,  H02H7/122 ,  H02J3/28 ,  H02J3/386 ,  H02M1/12 ,  H02M1/32 ,  H02M5/4585 ,  H02M7/219 ,  H02M7/23 ,  H02M7/493 ,  H02M2001/0077 ,  H02M2001/123 ,  H02M2007/4822 ,  H03H7/0107 ,  Y02E10/725 ,  Y02E10/726 ,  Y02E10/763 ,  Y02E10/766 ,  Y02E70/30

    Abstract: A wind turbine generator 1 supplies three-phase a.c. current of variable voltage and variable frequency to two pairs of rectifiers 4a, 4b and 4c, 4d which generate respective d.c. outputs connected to positive, negative and neutral d.c. conductors 6, 7, 8. The outputs from each pair of rectifiers are connected together, and the outputs from the two pairs are connected in series to create a high-voltage d.c. output. Inverters 10a, 10b, 10c, 10d then convert the d.c. power to a.c. at a fixed frequency and voltage suitable for In connection to the mains grid. To reduce the effect of common-mode noise, a capacitor is connected between the 1 neutral conductor 7 and earth, and a respective filter circuit 30 is connected between each of the a.c. outputs of the inverters 10a, 10b, 10c, 10d and earth. To reduce the effect of voltage surges during lightning, a surge protection device is also connected between the neutral d.c. conductor 7 and earth. Any imbalance in the current in the positive and negative conductors 6, 8 is compensated by detecting the presence of current flowing in the neutral conductor 7. Power supplied to auxiliary circuits from the output of one of the inverters, e.g. 10a, of the wind turbine is measured, and any resulting imbalance between the current in the positive and negative conductors is compensated. In the event of an earth-leakage fault in the conductors connecting the a.c. outputs of the inverters to the grid, when isolated, isolation detection relays 25 are provided.

    Abstract translation: 风力发电机1提供三相交流电。 可变电压和可变频率的电流到两对整流器4a，4b和4c，4d，它们产生相应的直流 输出连接到正，负和中性直流。 导体6,7,8。每对整流器的输出端连接在一起，两对输出端串联连接，产生高压直流。 输出。 逆变器10a，10b，10c，10d然后转换直流 权力到a.c. 在固定的频率和电压适用于连接到电网。 为了降低共模噪声的影响，电容器连接在1个中性导体7和地之间，并且相应的滤波器电路30连接在每个直流电平之间。 逆变器10a，10b，10c，10d和地的输出。 为了减少雷击期间电压浪涌的影响，浪涌保护装置也连接在中性点间。 导体7和地球。 通过检测在中性导体7中流动的电流的存在来补偿正和负导体6,8中的电流的任何不平衡。从一个逆变器的输出，例如， 测量风力涡轮机的10a，并补偿在正和负导体之间的电流之间的所有不平衡。 在连接交流电的导线中发生漏电故障的情况。 当隔离的隔离检测继电器25被提供时，逆变器的输出到电网。

    POWER GENERATION SYSTEM AND METHOD FOR OPERATING A POWER GENERATION SYSTEM
    44.
    发明授权
    POWER GENERATION SYSTEM AND METHOD FOR OPERATING A POWER GENERATION SYSTEM 有权
    发电系统一种用于操作发电系统

    公开(公告)号：EP2732523B1

    公开(公告)日：2015-10-14

    申请号：EP12735444.7

    申请日：2012-07-11

    Applicant: Vestas Wind Systems A/S

    Inventor： NIELSEN, John Godsk ,  STYHM, Ove

    IPC: H02H7/12 ,  F03D9/00 ,  H02J3/38 ,  H02M5/458

    CPC classification number: H02H7/1216 ,  F03D9/255 ,  H02J1/102 ,  H02J3/386 ,  H02M1/36 ,  H02M3/1582 ,  H02M2001/325 ,  Y02E10/72 ,  Y02E10/763

    Abstract: According to an embodiment, a power generation system is provided comprising a power generator; a plurality of converter modules, each converter module having a DC link, wherein the DC link of each converter module is connected to the DC links of the other converter modules of the plurality of converter modules via a fuse associated with the converter module; and a controller configured to, if it is detected that there is a fault in one of the converter modules, disconnect the converter module in which there is a fault from the power generator and connect two or more other converters module of the plurality of converter modules to the power generator and to control the power generation system to supply power to the DC links of the two or more other converter modules such that power is supplied to the converter module in which there is a fault via the fuse associated with the converter module such that the fuse associated with the converter module melts.

    POWER GENERATION SYSTEM AND METHOD FOR OPERATING A POWER GENERATION SYSTEM
    45.
    发明公开
    POWER GENERATION SYSTEM AND METHOD FOR OPERATING A POWER GENERATION SYSTEM 有权
    维多利亚女士系列

    公开(公告)号：EP2732523A2

    公开(公告)日：2014-05-21

    申请号：EP12735444.7

    申请日：2012-07-11

    Applicant: Vestas Wind Systems A/S

    Inventor： NIELSEN, John Godsk ,  STYHM, Ove

    IPC: H02H7/12 ,  F03D9/00 ,  H02J3/38 ,  H02M5/458

    CPC classification number: H02H7/1216 ,  F03D9/255 ,  H02J1/102 ,  H02J3/386 ,  H02M1/36 ,  H02M3/1582 ,  H02M2001/325 ,  Y02E10/72 ,  Y02E10/763

    Abstract: According to an embodiment, a power generation system is provided comprising a power generator; a plurality of converter modules, each converter module having a DC link, wherein the DC link of each converter module is connected to the DC links of the other converter modules of the plurality of converter modules via a fuse associated with the converter module; and a controller configured to, if it is detected that there is a fault in one of the converter modules, disconnect the converter module in which there is a fault from the power generator and connect two or more other converters module of the plurality of converter modules to the power generator and to control the power generation system to supply power to the DC links of the two or more other converter modules such that power is supplied to the converter module in which there is a fault via the fuse associated with the converter module such that the fuse associated with the converter module melts.

    Abstract translation: 根据实施例，提供一种发电系统，其包括发电机; 多个转换器模块，每个转换器模块具有DC链路，其中每个转换器模块的DC链路经由与转换器模块相关联的熔丝连接到多个转换器模块的其它转换器模块的DC链路; 以及控制器，其被配置为，如果检测到所述转换器模块之一存在故障，则从所述发电机断开其中存在故障的转换器模块，并且连接所述多个转换器模块中的两个或更多个其他转换器模块 并且控制发电系统向两个或更多个其他转换器模块的DC链路供电，使得通过与转换器模块相关联的保险丝将功率提供给存在故障的转换器模块， 与转换器模块相关的保险丝熔断。

    WIND-TURBINE CONVERTER CONTROL FOR MODULAR STRING CONVERTERS
    50.
    发明公开
    WIND-TURBINE CONVERTER CONTROL FOR MODULAR STRING CONVERTERS 审中-公开
    模块化转换器的风力涡轮机转换器控制

    公开(公告)号：EP3213383A1

    公开(公告)日：2017-09-06

    申请号：EP15787448.8

    申请日：2015-10-19

    Applicant: Vestas Wind Systems A/S

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

    IPC: H02J3/38 ,  F03D7/02 ,  F03D7/04

    CPC classification number: H02J3/386 ,  F03D7/042 ,  F03D9/255 ,  H02M2001/0003 ,  H02P2101/15 ,  Y02E10/723 ,  Y02E10/763

    Abstract: A wind turbine converter system with a rectifier and an inverter and a converter controller has at least first and second converter strings. The converter system is controlled by a master-converter controller and a slave-converter controller. The master-converter controller controls the first converter string and the slave-converter controller controls the second converter string. The master-converter controller receives commands from a superordinate wind turbine controller, provides the slave-converter controller with string-control commands on the basis of the superordinate control commands, and controls the conversion operation of the first converter string on the basis of the superordinate control command. The slave-converter controller receives the string-control commands from the master-converter controller and controls the conversion operation of the second converter string on the basis of the string-control commands received. The first and the second converter strings can be arranged in a bipolar configuration giving access to a neutral point. Fault detection can be performed based on current through the neutral. The system is capable of fault ride-through. Also, in case of failure of the master-converter controller, a redundant unit takes its place.

    Abstract translation: 具有整流器（4）和逆变器（5）以及转换器控制器（11）的风力涡轮机转换器系统（3）具有至少第一和第二转换器串（24,25）。 变流器系统由主变流器控制器（13）和从变流器控制器（12）控制。 主变换器控制器（13）控制第一变换器串（25），并且从变换器控制器（12）控制第二变换器串（24）。 主变流器控制器（13）接收来自上级风力涡轮机控制器（21）的命令，基于上级控制命令向从变流器控制器（12）提供串控制命令，并且控制 第一转换器串（25）基于上级控制命令。 从变换器控制器（12）接收来自主变换器控制器（13）的串控制命令，并基于接收到的串控制命令来控制第二变换器串的变换操作。 第一和第二转换器串（24,25）可以布置成能够进入中性点（62）的双极配置。 故障检测可以基于通过中性线（62）的电流进行。 该系统能够进行故障穿越。 而且，在主变换器控制器（13）发生故障的情况下，冗余单元取代它。

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