公开(公告)号：US20240247639A1

公开(公告)日：2024-07-25

申请号：US18566574

申请日：2022-06-01

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： Lennart PETERSEN ,  Germán Claudio TARNOWSKI ,  Mark FABER ,  Poul Brandt CHRISTENSEN

IPC: F03D7/02 ,  F03D7/04 ,  H02J3/24 ,  H02K7/18

CPC classification number: F03D7/0284 ,  F03D7/048 ,  H02J3/24 ,  H02K7/183 ,  F05B2220/706 ,  F05B2270/337

Abstract: A method is provided for controlling power oscillations at a point of common coupling in a wind park. Individual power reference offsets defining an adjustment to a wind turbine power reference signal for counteracting mechanical oscillations in the respective wind turbines are received from respective wind turbine controllers. Based on an aggregated power reference offset, a total power oscillation compensation signal is determined. Individual power oscillation compensation signals for adjusting the wind turbine power reference signal of respective wind turbines are determined based on the individual power reference offsets and the total power oscillation compensation signal. These individual power oscillation compensation signals are then sent to the respective wind turbines.

公开(公告)号：US20230050448A1

公开(公告)日：2023-02-16

申请号：US17787911

申请日：2020-12-18

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： Esmaeil EBRAHIMZADEHVESHAREH ,  Torsten LUND ,  Mark FABER ,  Poul Brandt CHRISTENSEN ,  Gert Karmisholt ANDERSEN

IPC: F03D7/02 ,  H02P23/04

Abstract: The invention relates to a method for damping drive train oscillations of a VSM configured wind turbine. The method comprises determining a drive train damping power signal based on speed signal representing a generator speed, determining a power deviation based on a combination of a power reference for a desired power production, the drive train damping power-signal, a grid power supplied by the line side converter to the grid and a damping power, determining a virtual synchronous machine angle based on the power deviation so that the derivative of the virtual synchronous machine rotational speed is indicative of the power deviation, determining a converter reference for controlling the line side converter to generate the desired active power based on the virtual synchronous machine angle and a voltage reference for a voltage amplitude to be generated by the line side converter, and applying the converter reference to the line side converter.