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公开(公告)号：US09803621B2
公开(公告)日：2017-10-31
申请号：US14404129
申请日：2013-06-06
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Kenneth Tougaard Simonsen , Paw Rosenvard , David Steele
CPC classification number: F03D7/0296 , F03D7/0212 , F03D7/0224 , F03D7/0264 , F03D7/0268 , F03D7/047 , Y02E10/723
Abstract: The present invention relates to methods, apparatus and computer program products for controlling a wind turbine that comprises a nacelle and one or more turbine blades to reduce or prevent edgewise vibrations building up on the one or more turbine blades. It is identified 202 whether the nacelle is unable to yaw to an upwind position and initiating a corrective action 203 to prevent edgewise vibrations building up on the one or more turbine blades if the nacelle is unable to yaw to an upwind position.
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公开(公告)号：US20150132128A1
公开(公告)日：2015-05-14
申请号：US14404159
申请日：2013-06-06
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Ali Zaib , Kenneth Tougaard Simonsen
CPC classification number: F03D7/0224 , F03D7/024 , F03D7/042 , F03D7/043 , F05B2260/966 , F05B2270/331 , G05B13/0205 , Y02E10/723
Abstract: The invention provides a wind turbine, a control system for a wind turbine and a method for controlling a wind turbine where asymmetry in load on the rotor is compensated by individual pitching by comparing a load distribution over the rotor plane with a threshold value. To avoid unnecessary compensation, the threshold value is adjusted based on a loading of the wind turbine or based on climate conditions under which the turbine operates.
Abstract translation: 本发明提供了一种风力涡轮机，用于风力涡轮机的控制系统和用于控制风力涡轮机的方法，其中通过将转子平面上的负载分布与阈值进行比较，通过单独俯仰来补偿转子上的负载的不对称性。 为了避免不必要的补偿，基于风力涡轮机的负载或基于涡轮机运行的气候条件来调整阈值。
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公开(公告)号：US09970413B2
公开(公告)日：2018-05-15
申请号：US14404159
申请日：2013-06-06
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Ali Zaib , Kenneth Tougaard Simonsen
CPC classification number: F03D7/0224 , F03D7/024 , F03D7/042 , F03D7/043 , F05B2260/966 , F05B2270/331 , G05B13/0205 , Y02E10/723
Abstract: The invention provides a wind turbine, a control system for a wind turbine and a method for controlling a wind turbine where asymmetry in load on the rotor is compensated by individual pitching by comparing a load distribution over the rotor plane with a threshold value. To avoid unnecessary compensation, the threshold value is adjusted based on a loading of the wind turbine or based on climate conditions under which the turbine operates.
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