公开(公告)号：US11187210B2

公开(公告)日：2021-11-30

申请号：US16627414

申请日：2018-06-21

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： Jacob Deleuran Grunnet ,  Johnny Nielsen

IPC: F03D80/40 ,  F03D17/00

Abstract: Embodiments herein describe a system used to estimate the presence of water on a sensor. A parameter maintains a wind sensor temperature. The parameter can be tracked and evaluated to indicate a likelihood of water on the sensor. Alternatively, or in combination with the above, the sensor is adjusted intentionally or deactivated and reactivated to track a parameter response which is then used to indicate a likelihood of water on the sensor.

公开(公告)号：US10982651B2

公开(公告)日：2021-04-20

申请号：US16079772

申请日：2017-02-24

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： Fabio Caponetti ,  Jesper Sandberg Thomsen ,  Jacob Deleuran Grunnet ,  Poul Brandt Christensen

IPC: F03D7/02 ,  F03D80/00 ,  F03D1/00 ,  F03D7/04 ,  F03D80/80

Abstract: A method for damping an oscillation of a tower of a wind turbine is disclosed, wherein a pitch angle of each of the one or more rotor blades is individually adjustable, the method comprising damping the oscillation of the tower by pitching each rotor blade individually according to tower damping pitch control signals, wherein each tower damping pitch control signal comprises a first periodic component, where a first frequency of the first periodic component corresponds to a frequency difference between a tower frequency of the oscillation of the tower and a rotor frequency of a rotation of the rotor, and where a second periodic component has been reduced or removed. A second frequency of the second periodic component corresponds to a frequency sum of the tower frequency and the rotor frequency.

公开(公告)号：US10982650B2

公开(公告)日：2021-04-20

申请号：US16079189

申请日：2017-02-24

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： Jacob Deleuran Grunnet ,  Erik Carl Lehnskov Miranda

IPC: F03D7/02 ,  F03D1/02

Abstract: The invention relates to a wind turbine system (1) with several wind turbine modules (2) mounted to a support structure (3). A control system is configured to determine a lift command (21) for a particular wind turbine module (2′) of the 5 plurality of wind turbines modules (2). The control system is applying the lift command (21) to a corresponding rotor blade pitch adjustment system of the particular wind turbine module (2′) so as to create a lift force (F_up) in the opposite direction of gravity on the particular wind turbine module mounted on the support structure. Providing an upwards lift force on one, or more, particular 10 wind turbine module(s) may reduce, or eliminate, static and/or dynamical loads from the wind turbine module on the support structure.

公开(公告)号：US10975845B2

公开(公告)日：2021-04-13

申请号：US16088739

申请日：2017-03-30

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： Jacob Deleuran Grunnet ,  Thomas Krüger

IPC: F03D7/04 ,  F03D7/02

Abstract: A wind turbine control system comprising a controller of a control mechanism of a wind turbine, wherein the controller implements a computerized real-time blade model to calculate operational parameters of the controller, and wherein the computerized real-time blade model receives as inputs a determined wind turbine operating point and a rotor-plane wind speed value that is estimated in real-time. In another aspect, the embodiments of the invention provide a method of controlling a control mechanism of a wind turbine. Advantageously, the invention provides a more flexible and responsive control system that is able to adapt to changing wind conditions even if those wind conditions are beyond what is usually predicted.

公开(公告)号：US10815971B2

公开(公告)日：2020-10-27

申请号：US15844273

申请日：2017-12-15

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： Jacob Deleuran Grunnet ,  Johnny Nielsen ,  Jes Rasmussen ,  Claus Thybo

IPC: F03D7/04 ,  F03D17/00 ,  F03D1/06 ,  G01S17/89

Abstract: The present disclosure relates to a system for determining at least one blade state parameter of a wind turbine blade, wherein the system is configured to: obtain blade data relating to the wind turbine blade from a sensor system associated with the wind turbine blade; compare at least one reference model of at least a portion of the wind turbine blade with the blade data; identify a reference model in dependence on the comparison; and determine at least one blade state parameter in dependence on the identified reference model. The blade data may take the form of an image, for example a 3-dimensional measurement such as a point cloud representing at least a portion of the blade.

公开(公告)号：US10724499B2

公开(公告)日：2020-07-28

申请号：US16060104

申请日：2016-12-01

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： Kouroush Nayebi ,  Jacob Deleuran Grunnet ,  Jesper Sandberg Thomsen

IPC: G05B13/02 ,  F03D7/04 ,  F03D17/00 ,  F03D7/02 ,  G05B13/04

Abstract: There is presented a method for controlling a plurality of wind turbines comprising measuring wind turbine operation parameters in a model relating a plurality of wind turbine parameters to each other, estimating one wind turbine operation parameter value based on the model and the measured remaining wind turbine operation parameter values, providing a reliability parameter value for each wind turbine based on a difference value, said difference value being a difference between the estimated wind turbine operation parameter value, and the measured wind turbine operation parameter value corresponding to the wind turbine operation parameter for which the estimated wind turbine operation parameter value is provided, and controlling the plurality of wind turbines based on the corresponding plurality of reliability parameter values.