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公开(公告)号：WO2019068295A1
公开(公告)日：2019-04-11
申请号：PCT/DK2018/050241
申请日：2018-10-01
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： KJÆR, Martin Ansbjerg , K N, Srinivas , SKALLEBÆK, Christian , DOAN, Duy Duc , GRAU, Thomas Schmidt , KOLDKJÆR, Peter , JAMUNA, Karthik Krishnan
Abstract: The present invention relates to a method for operating a wind power facility during high- wind operations, the method comprising the steps of determining one or more operational parameters, and limiting one or more reactive power capabilities of the wind power facility to one or more predetermined reactive power values if at least one determined operational parameter differs from a predetermined value or a predetermined range. The one or more determined operational parameters may be a measured or estimated wind speed, or it may be based on at least a measured active power value and a measured generator speed. The present invention further relates to a wind power control module for carrying out the method.
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公开(公告)号：WO2019120397A1
公开(公告)日：2019-06-27
申请号：PCT/DK2018/050301
申请日：2018-11-20
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： GUPTA, Manoj , KUMAR, Ravi , SIVASANKARAN, Janakiraman , GRAU, Thomas Schmidt , KJÆR, Martin Ansbjerg , NAYEBI, Kouroush , NIELSEN, John Godsk , THOMSEN, Jesper Sandberg
Abstract: A method (200) for operating a renewable energy power plant comprising a plurality of renewable energy generators. The method comprises: identifying (202) a predetermined condition of the renewable energy power plant, of the grid, or of the connection between the renewable energy power plant and the grid, the predetermined condition indicating a weak grid interconnection between the renewable energy power plant and the grid; and controlling (206) each renewable energy generator in an adaptive active power mode in response to recovery of the grid from a voltage deviation. The adaptive active power mode comprises: determining (210) a thermal capacity of a chopper resistor of the renewable energy generator; calculating (212), based upon the determined thermal capacity, a limit level of rate of change of active power output that may be implemented by the renewable energy generator; and operating (214) the renewable energy generator to output active power at the calculated rate of change limit level.
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公开(公告)号：EP3729589A1
公开(公告)日：2020-10-28
申请号：EP18808220.0
申请日：2018-11-20
Applicant: VESTAS WIND SYSTEMS A/S
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