BASIC GRID SUPERVISION OF A WIND POWER PLANT
    1.
    发明申请
    BASIC GRID SUPERVISION OF A WIND POWER PLANT 审中-公开
    风力发电厂基本监理

    公开(公告)号:US20170022977A1

    公开(公告)日:2017-01-26

    申请号:US15039386

    申请日:2014-10-30

    Abstract: The present invention relates to a method for supervision of an electrical measurement in a wind power plant, with a plurality of wind turbine generators, the method comprises, a) measuring a measurement of an electrical parameter in the wind power plant, b) determining a difference between the measurement and a reference value, c) in case the difference is greater than a threshold value, incrementing an event counter, d) in case the event counter is incremented, raising a first warning flag. The invention also relates to a power plant controller arranged to supervise a wind power plant according to the method; the wind power plant comprises a plurality of wind turbine generators.

    Abstract translation: 本发明涉及一种用于监测风力发电厂中的电测量的方法,具有多个风力涡轮发电机,所述方法包括:a)测量风力发电厂中的电参数的测量,b)确定一个 测量和参考值之间的差异,c)在差值大于阈值的情况下,增加事件计数器,d)在事件计数器增加的情况下,提高第一警告标志。 本发明还涉及一种按照该方法对风力发电厂进行监督的发电厂控制装置; 风力发电厂包括多个风力涡轮发电机。

    RECONFIGURATION OF THE REACTIVE POWER LOOP OF A WIND POWER PLANT
    4.
    发明申请
    RECONFIGURATION OF THE REACTIVE POWER LOOP OF A WIND POWER PLANT 审中-公开
    风力发电厂反应动力环的重新构建

    公开(公告)号:US20170025858A1

    公开(公告)日:2017-01-26

    申请号:US15039379

    申请日:2014-11-03

    Abstract: The present invention relates a method of controlling a wind power plant connected to an electrical grid, the wind power plant comprises a power plant controller (350), a plurality of wind turbine generators (1) and a STATCOM (230), with a STATCOM controller, comprises: controlling the plurality of wind turbine generators in a first control mode, with the power plant controller controlling a reactive power production from each of the plurality of wind turbine generators according to a closed loop control scheme, and controlling in a first control mode with a closed loop control scheme a reactive power production from the STATCOM according to a first setpoint dispatched from the power plant controller, and controlling the reactive power production from the STATCOM in a second control mode from the STATCOM controller according to an electrical measurement in the grid, and controlling the plurality of wind turbine generators in a second control mode, with the power plant controller controlling a reactive power production from the plurality of wind turbine generators, according to a feedforward control or a close loop control, based on a second setpoint from the STATCOM controller, and switching between the first control mode and the second control mode when receiving at least one trigger signal. The invention also relates to a wind power plant according to the method.

    Abstract translation: 本发明涉及一种控制与电网连接的风力发电厂的方法,该风力发电厂包括一个发电厂控制器(350),多个风力发电机(1)和一个STATCOM(230),带有STATCOM 控制器包括:以第一控制模式控制所述多个风力涡轮发电机,其中所述发电厂控制器根据闭环控制方案控制所述多个风力涡轮发电机中的每一个的无功功率产生,并且在第一控制中控制 闭环控制方案根据从发电厂控制器发出的第一个设定值从STATCOM产生无功功率,并根据STATCOM控制器的电气测量,以第二控制模式从STATCOM控制无功功率产生 并且以第二控制模式控制多个风力涡轮发电机,其中电厂控制器控制 根据来自STATCOM控制器的第二设定点,根据前馈控制或闭环控制,从多个风力涡轮发电机输出无功功率产生,以及当至少接收时在第一控制模式和第二控制模式之间切换 一个触发信号。 本发明还涉及根据该方法的风力发电设备。

    A METHOD FOR CONTROLLING A WIND POWER PLANT

    公开(公告)号:US20210167603A1

    公开(公告)日:2021-06-03

    申请号:US16065591

    申请日:2016-12-12

    Abstract: A method for controlling a wind power plant comprising a plurality of wind turbine generators, wherein the method comprises: deriving an estimated value for electrical losses in the wind power plant, deriving a measured value for electrical losses in the wind power plant, based on a difference between an aggregated power production from the plurality of wind turbine generators and a power measurement at a point of common coupling; applying the estimated value for electrical losses and the measured value for electrical losses in an active power control loop, comprising a regulator; and controlling by means of the active power control loop an active power production of the wind power plant at the point of common coupling.

    BOOST AND REGULATION GROUPS FOR WIND POWER PLANT

    公开(公告)号:US20190048852A1

    公开(公告)日:2019-02-14

    申请号:US15759781

    申请日:2016-09-08

    Abstract: A method, control arrangement, and wind power plant (WPP) comprising a plurality of wind turbine generators (WTGs) are disclosed. The method includes operating, responsive to a received power demand corresponding to the WPP, a boost group of one or more WTGs of the plurality of WTGs to begin producing a boosted power output, wherein the boosted power output of each of the one or more WTGs of the boost group is regulated independent of the power demand. The method further includes determining, based on a measured amount of boosted power production, power production set points for a regulation group of one or more different WTGs of the plurality of WTGs to thereby meet the power demand.

    CONTROL OF REACTIVE POWER IN A WIND POWER PLANT
    7.
    发明申请
    CONTROL OF REACTIVE POWER IN A WIND POWER PLANT 审中-公开
    控制风力发电厂的反应动力

    公开(公告)号:US20170025859A1

    公开(公告)日:2017-01-26

    申请号:US15039514

    申请日:2014-11-04

    Abstract: The invention relates to a method for controlling injection and absorption of reactive power in a wind power plant (WPP). In addition to wind turbine generators (WTG), the wind power plant comprises reactive power regulating devices, such as MSU and STATCOM devices. The reactive power regulating devices are controlled by wind power plant controller so that the combined amount of reactive power produced by the wind turbine generators and the reactive power regulating devices satisfies a desired amount of reactive power. In case of communication fault between the power plant controller and one of the reactive power regulating devices, the power plant controller is reconfigured so as to compensate the capability of the reactive power regulating device to inject or absorb the amount of reactive power.

    Abstract translation: 本发明涉及一种用于控制风力发电厂(WPP)中无功功率的注入和吸收的方法。 除风力发电机(WTG)外,风力发电厂还包括无功功率调节装置,如MSU和STATCOM装置。 无功功率调节装置由风力发电厂控制器控制,使得由风力发电机和无功功率调节装置产生的无功功率的组合量满足期望的无功功率量。 在发电厂控制器与无功功率调节装置之一发生通讯故障的情况下,对发电厂控制器进行重新配置,以补偿无功功率调节装置注入或吸收无功功率的能力。

    METHOD AND CONTROL ARRANGEMENT FOR CONTROLLING A REACTIVE POWER SOURCE
    8.
    发明申请
    METHOD AND CONTROL ARRANGEMENT FOR CONTROLLING A REACTIVE POWER SOURCE 审中-公开
    用于控制电源的方法和控制装置

    公开(公告)号:US20160084229A1

    公开(公告)日:2016-03-24

    申请号:US14958522

    申请日:2015-12-03

    Abstract: The present invention relates to a method for controlling a reactive power source in a wind power plant, the method comprising the steps of providing a wind turbine reactive power control signal and providing an active power reference signal, said active power reference signal being a measure of an active power production of the wind power plant. A control signal for the reactive power source is generated by combining the wind turbine reactive power control signal and the active power reference signal in such a way that the control signal for the reactive power source becomes a weighted signal of the wind turbine reactive power control signal. Moreover, the present invention relates to control units and wind power plants suitable for carrying out the present invention.

    Abstract translation: 本发明涉及一种用于控制风力发电厂中的无功功率源的方法,所述方法包括以下步骤:提供风力涡轮机无功功率控制信号并提供有功功率参考信号,所述有功功率参考信号是 风力发电厂的有功电力生产。 通过组合风力涡轮机无功功率控制信号和有功功率参考信号,使得无功功率源的控制信号成为风力涡轮机无功功率控制信号的加权信号,从而产生无功功率源的控制信号 。 此外,本发明涉及适用于实施本发明的控制单元和风力发电设备。

    STATE MACHINE FOR WIND POWER PLANT

    公开(公告)号:US20210098992A1

    公开(公告)日:2021-04-01

    申请号:US16603709

    申请日:2018-04-09

    Abstract: The present invention relates to a state machine for controlling a wind power plant (WPP), comprising at least one wind turbine connected to an electrical grid, the state machine is adapted to, receive a plant power reference (P_total) according to at least one electrical value of the electrical grid, manage a plurality of control modes and output signals, in relation to the plurality of control modes, select within the control modes, according to controller inputs and contingency at that moment in time, transfer the corresponding control values to a power controller, and dispatch a power reference to each of the at least one wind turbines according to the selected control mode. The invention also relates to a control system arranged to control power output of a wind power plant (WPP), comprising at least one wind turbine connected to an electrical grid, and the control system having a state machine.

    CONTROL OF A WIND POWER PLANT
    10.
    发明申请

    公开(公告)号:US20190003456A1

    公开(公告)日:2019-01-03

    申请号:US16067786

    申请日:2016-12-20

    Abstract: The present invention relates to a method for controlling a wind power plant, WPP, comprising a plurality of wind turbine generators, WTGs, connected to an electrical grid, the method comprising: setting a plant power reference (Ptotal) according to an electrical value of the electrical grid; determining an inertia delta power reference (IRdeltaP) required for the WPP to meet a power demand in response to a change in the electrical value; adding the inertia delta power reference and the plant power reference (Ptotal) to form a power reference (Ptotalref); deriving an overboost reference (PrefOB) as the difference between the power reference (Ptotalref) and an available power value; dispatching the power reference (Ptotalref) to each wind turbine generator; dispatching the overboost reference (PrefOB) to each wind turbine generator. The invention also relates to a wind power plant control system and a wind power plant comprising a control system.

Patent Agency Ranking