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公开(公告)号：WO2017202428A1
公开(公告)日：2017-11-30
申请号：PCT/DK2017/050156
申请日：2017-05-16
Applicant: VESTAS WIND SYSTEMS A/S
Abstract: Aspects of the present invention relate to a method for controlling an amount of power to be delivered from a wind turbine generator to a power grid during an abnormal power grid event, the method comprising the steps of detecting an abnormal power grid event; controlling an active current delivered to the power grid in response to a measured or determined total active current; and controlling a reactive current delivered to the power grid in response to a measured or determined total reactive current. Aspects of the present invention further relate to a computer program product for carrying out the method as well as a wind turbine generator being capable of carrying out embodiments of the invention.
Abstract translation: 本发明的各方面涉及一种用于控制在异常电网事件期间从风力涡轮发电机输送到电网的功率量的方法，所述方法包括以下步骤：检测 异常电网事件; 响应于测量或确定的总有功电流来控制传送至电网的有功电流; 以及响应于测量或确定的总无功电流来控制传送到电网的无功电流。 本发明的各方面还涉及用于执行该方法的计算机程序产品以及能够执行本发明实施例的风力涡轮发电机。
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2.发明申请BALANCING REACTIVE CURRENT BETWEEN A DFIG STATOR AND A GRID-SIDE INVERTER 审中-公开平衡DFIG定子和网侧逆变器之间的无功电流
公开(公告)号：WO2017202429A1
公开(公告)日：2017-11-30
申请号：PCT/DK2017/050157
申请日：2017-05-16
Applicant: VESTAS WIND SYSTEMS A/S
Abstract: Aspects of the present invention relate to a method for controlling an amount of reactive current provided from a wind turbine generator to a power grid during an abnormal power grid event, said wind turbine generator comprising a doubly-fed induction generator having a rotor and a stator, and a power converter coupling the rotor to the power grid, the power converter comprising a grid-side inverter, wherein the method comprises the step of balancing the reactive current provided to the power grid between a reactive stator current and a reactive grid-side inverter current, wherein the reactive grid-side inverter current is controlled in accordance with a reactive current capacity of a grid breaker receiving the reactive current provided by the grid-side inverter. Aspects of the present invention also relate to a wind turbine generator being capable of performing the method.
Abstract translation: 本发明的各方面涉及一种用于在异常电网事件期间控制从风力涡轮发电机提供给电力网的无功电流量的方法，所述风力涡轮发电机包括双馈 感应发电机，其具有转子和定子;以及功率转换器，其将所述转子耦合到所述电网，所述功率转换器包括网侧逆变器，其中所述方法包括以下步骤：将提供给所述电网的无功电流平衡到所述电网 定子电流和无功电网侧逆变器电流，其中无功电网侧逆变器电流根据接收由电网侧逆变器提供的无功电流的电网断路器的无功电流容量来控制。 本发明的各方面还涉及能够执行该方法的风力涡轮发电机。
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公开(公告)号：WO2019052614A1
公开(公告)日：2019-03-21
申请号：PCT/DK2018/050217
申请日：2018-09-03
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： GUPTA, Manoj , SIVASANKARAN, Janakiraman , CHRISTENSEN, Leif Svinth
Abstract: A renewable energy power plant comprising a plurality of renewable energy generators and a control system for controlling the power output of the plurality of renewable energy generators, a power network connecting those renewable energy generators to a Point of Interconnection (PoI) with which the power network is connected to an external power grid, and measurement means configured to measure electrical parameters associated with the Point of Interconnection, wherein the control system is configured to: operate each renewable energy generator to achieve a respective current level at a terminal of the generator that is equal to a current set point; implement, during a grid fault event, a feedback control routine in which the control system: determines a measured value of an electrical parameter at the Point of Interconnection, determines a target value of the electrical parameter; and modifies the current set point based on the measured value and the target value of the electrical parameter.
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公开(公告)号：WO2019120400A1
公开(公告)日：2019-06-27
申请号：PCT/DK2018/050305
申请日：2018-11-20
Applicant: VESTAS WIND SYSTEMS A/S
Abstract: A method for controlling a renewable energy generator, the renewable energy generator being connected to a Point of Interconnection of an external power grid by a connecting network, wherein the connecting network has an associated impedance level. The method comprising: monitoring at least one parameter of the connecting network and the voltage level at the Point of Interconnection; generating, during normal operating conditions, at least one current injection profile based upon the at least one measured parameter and a predetermined injection profile; and operating the renewable energy generator, during a grid fault, to output current according to the at least one current injection profile, so as to achieve a current set point at the Point of Interconnection.
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公开(公告)号：WO2016155739A1
公开(公告)日：2016-10-06
申请号：PCT/DK2016/050065
申请日：2016-03-08
Applicant: VESTAS WIND SYSTEMS A/S
Abstract: The present invention relates to a method for operating a doubly fed induction generator wind power facility during an OVRT event, said the wind turbine facility being adapted to inject active and/or reactive current into an associated grid, the method comprising the steps of determining the occurrence of an over voltage grid event, and maintaining a grid-side inverter of the doubly fed induction generator wind power facility fully operable during the over voltage ride though event so as to maintain a controllable active and/or reactive current capability during the over voltage grid event,
Abstract translation: 本发明涉及一种用于在OVRT事件期间操作双馈感应发电机风力发电设备的方法，所述风力涡轮机设施适于将有源和/或无功电流注入到相关联的电网中，所述方法包括以下步骤： 发生过电压电网事件，并且保持双馈感应发电机风力发电设备的电网侧逆变器在过电压乘车事件期间完全可操作，以便在过电压期间保持可控的有功和/或无功电流能力 网格事件，
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Patent Agency Ranking
公开(公告)号：EP3371882B1
公开(公告)日：2019-08-14
申请号：EP17726107.0
申请日：2017-05-16
Applicant: Vestas Wind Systems A/S
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公开(公告)号：EP3371882A1
公开(公告)日：2018-09-12
申请号：EP17726107.0
申请日：2017-05-16
Applicant: Vestas Wind Systems A/S
CPC classification number: H02P9/007 , F03D7/0284 , F05B2270/1071 , H02J3/18 , H02J3/1892 , H02P2207/073 , Y02E40/30
Abstract: Aspects of the present invention relate to a method for controlling an amount of reactive current provided from a wind turbine generator to a power grid during an abnormal power grid event, said wind turbine generator comprising a doubly-fed induction generator having a rotor and a stator, and a power converter coupling the rotor to the power grid, the power converter comprising a grid-side inverter, wherein the method comprises the step of balancing the reactive current provided to the power grid between a reactive stator current and a reactive grid-side inverter current, wherein the reactive grid-side inverter current is controlled in accordance with a reactive current capacity of a grid breaker receiving the reactive current provided by the grid-side inverter. Aspects of the present invention also relate to a wind turbine generator being capable of performing the method.
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公开(公告)号：EP3682519A1
公开(公告)日：2020-07-22
申请号：EP18766124.4
申请日：2018-09-03
Applicant: Vestas Wind Systems A/S
Inventor： GUPTA, Manoj , SIVASANKARAN, Janakiraman , CHRISTENSEN, Leif Svinth
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公开(公告)号：EP3278447A1
公开(公告)日：2018-02-07
申请号：EP16709267.5
申请日：2016-03-08
Applicant: Vestas Wind Systems A/S
Abstract: The present invention relates to a method for operating a doubly fed induction generator wind power facility during an OVRT event, said the wind turbine facility being adapted to inject active and/or reactive current into an associated grid, the method comprising the steps of determining the occurrence of an over voltage grid event, and maintaining a grid-side inverter of the doubly fed induction generator wind power facility fully operable during the over voltage ride though event so as to maintain a controllable active and/or reactive current capability during the over voltage grid event,?
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公开(公告)号：EP3729592A1
公开(公告)日：2020-10-28
申请号：EP18811438.3
申请日：2018-11-20
Applicant: VESTAS WIND SYSTEMS A/S
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