公开(公告)号：US20200332775A1

公开(公告)日：2020-10-22

申请号：US16959125

申请日：2018-12-11

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： Johnny NIELSEN ,  Lars GLAVIND

IPC: F03D17/00

Abstract: A method for monitoring a wind turbine comprises monitoring an acoustic signal and/or a vibrational signal within a tower of the wind turbine, analyzing the signal to identify one or more predetermined characteristic indicative of an event within the tower, recognizing the event has occurred based on the predetermined characteristic and generating an output based on the recognized event. The one or more predetermined characteristic being at least one of: an amplitude of the signal, a duration of the signal, a shape of the signal, one or more frequencies present in the signal and an energy of the signal.

公开(公告)号：US20180171980A1

公开(公告)日：2018-06-21

申请号：US15845451

申请日：2017-12-18

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： Jacob Deleuran GRUNNET ,  Claus THYBO ,  Johnny NIELSEN ,  Jes RASMUSSEN

IPC: F03D7/04 ,  F03D7/02 ,  G06T17/00

CPC classification number: F03D7/045 ,  F03D7/02 ,  F03D7/0224 ,  F03D17/00 ,  F05B2270/101 ,  F05B2270/328 ,  F05B2270/8042 ,  G06T17/00 ,  Y02E10/723

Abstract: The present disclosure relates to a control system for a wind turbine that is configured to: obtain a 3-dimensional image of at least a portion of a wind turbine blade; recognise a target feature of the wind turbine blade in the obtained image and identify the position of the target feature; and monitor the state of the wind turbine blade and/or control operation of at least one blade in dependence on the identified position of the feature.

公开(公告)号：US20180164183A1

公开(公告)日：2018-06-14

申请号：US15580397

申请日：2016-06-17

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： Ib Svend OLESEN ,  Dan HILTON ,  Johnny NIELSEN ,  Kristian KIIB

IPC: G01M13/02 ,  G01L3/10 ,  G01L1/04 ,  G01B21/32 ,  F16H59/14 ,  F03D17/00 ,  F03D7/02

CPC classification number: G01M13/02 ,  F03D7/00 ,  F03D7/0224 ,  F03D17/00 ,  F05B2270/327 ,  F16H59/14 ,  F16H59/141 ,  F16H59/46 ,  G01B21/32 ,  G01L1/048 ,  G01L3/109 ,  G01L5/26 ,  Y02E10/722 ,  Y02E10/723

Abstract: A method of determining torsional deformation in a drivetrain e.g. of a wind turbine. To provide a reliable and simple deformation assessment, the method comprises the step of generating a first signal representing first rotational speed of a low speed shaft, generating a second signal representing the second rotational speed of a high speed shaft, and determining torsional deformation based on changes in the ratio between the first and second signals.

公开(公告)号：US20240401571A1

公开(公告)日：2024-12-05

申请号：US18686367

申请日：2022-08-25

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： Goncalo Artur DUARTE PEREIRA ,  Jens VAN SCHELVE ,  Johnny NIELSEN

IPC: F03D17/00

Abstract: The invention provides a method of identifying recurrent free-flow wind disturbances associated with a wind turbine. The method comprises monitoring a signal indicative of a parameter associated with operation of the wind turbine, determining an expected signal of the parameter based on the monitored signal, determining a difference between values of the monitored signal and the determined expected signal, and correlating the determined differences with yaw position of a nacelle of the wind turbine. The method includes determining, based on the correlated differences, unexpected values of the parameter for different yaw positions, and identifying, based on a frequency of occurrence of the determined unexpected values, a recurrent free-flow wind disturbance associated with a yaw position of the nacelle.

公开(公告)号：US20240141870A1

公开(公告)日：2024-05-02

申请号：US18500381

申请日：2023-11-02

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： Morten Tim THORSEN ,  Casper Hillerup LYHNE ,  Johnny NIELSEN ,  Mikkel Kåe SKOVDAL

IPC: F03D7/04 ,  F03D7/02

CPC classification number: F03D7/046 ,  F03D7/0264 ,  F05B2270/20 ,  F05B2270/709

Abstract: Disclosed is a method, performed by an electronic device, for control of operation of a wind turbine. The method comprises obtaining wind turbine data indicative of one or more alerting events of the wind turbine, wherein the wind turbine data comprises warning data indicative of a warning of the wind turbine, and/or alarm data indicative of an alarm state of the wind turbine. The method comprises obtaining sensor data from a plurality of sensors of the wind turbine indicative of operating conditions associated with the wind turbine. The method comprises predicting, based on the wind turbine data and the sensor data, an upcoming safety stop by applying a machine learning model to the wind turbine data and the sensor data. The method may comprise providing, based on the predicted upcoming safety stop, control data indicative of a controlled stop or a derating to be performed by the wind turbine.

公开(公告)号：US20200271094A1

公开(公告)日：2020-08-27

申请号：US16068030

申请日：2017-01-10

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： Lars GLAVIND ,  Kristian KIIB ,  Ib Svend OLESEN ,  Johnny NIELSEN

IPC: F03D7/04 ,  F03D80/80 ,  F03D17/00

Abstract: A yaw sensor for a wind turbine is described. The yaw sensor comprises a rotary switch, configured to be coupled to a yaw drive gearbox of a wind turbine nacelle, the rotary switch being operable to activate and deactivate an electrical contact in dependence on an amount of yaw rotation of the nacelle relative to a start position. The electrical contact is active at a plurality of first yaw rotation ranges with respect to the start position, and inactive at a plurality of second yaw rotation ranges with respect to the start position, the first and second yaw rotation ranges being interleaved, at least some of the first yaw rotation ranges having different lengths from each other and/or at least some of the second yaw rotation ranges having different lengths from each other. The electrical contact generates an electrical signal when active.

公开(公告)号：US20180363625A1

公开(公告)日：2018-12-20

申请号：US16063427

申请日：2016-12-22

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： Johnny NIELSEN

IPC: F03D7/02 ,  F03D17/00

Abstract: Controlling a wind turbine comprising a wind direction sensor, a yawing system, and a control system for turning the wind turbine rotor relative to the wind. Over one or more time intervals a data set comprising a direction of the wind relative to the wind turbine as measured by the wind direction sensor and a wind power parameter determined as one of a power, a torque, or a blade load of the wind turbine are obtained. The data sets are sorted into a number of bins of different intervals of wind power parameter. For each power bin, a statistical representation of the wind power parameter as a function of the relative wind direction is determined and then used in estimating a wind direction offset corresponding to the relative wind direction where the wind power parameter attains a peak value. The relative wind direction is then adjusted as a function of the set of wind direction offsets to yield more accurate wind direction data which can be used in controlling the turbine.

公开(公告)号：US20230407849A1

公开(公告)日：2023-12-21

申请号：US18326978

申请日：2023-05-31

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： Pradeep BOSUKONDA ,  Johnny NIELSEN ,  Tobias ROSSEL

IPC: F03D80/40 ,  F03D7/02 ,  F03D17/00 ,  F03D7/04

CPC classification number: F03D80/40 ,  F03D7/0264 ,  F03D17/00 ,  F03D7/048 ,  F05B2270/20 ,  F05B2260/80

Abstract: A method for operating a cluster of a plurality of wind turbines is disclosed. For each of the wind turbines, one or more parameter values of a parameter being indicative for a condition occurring at the wind turbine are derived, based the measurements obtained by the wind turbine. In the case that a derived parameter value for a specific wind turbine exceeds a trigger value, measures for mitigating an effect of the condition at the specific wind turbine are initiated. The derived parameter values for the wind turbines of the cluster of wind turbines are compared to an expected distribution of the parameter values. In the case that a distribution of the derived parameter values differs from the expected distribution of the parameter values, the trigger value is adjusted, and the adjusted trigger value is subsequently applied when comparing the derived parameter values to the trigger value.

公开(公告)号：US20220074386A1

公开(公告)日：2022-03-10

申请号：US17417082

申请日：2019-12-03

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： Johnny NIELSEN ,  Jens VAN SCHELVE ,  Goncalo Lucas MARCOS ,  Dan HILTON ,  Kristian KIIB

IPC: F03D7/02

Abstract: A method of correcting a pitch angle deviation of a blade of a wind turbine is provided. First blade load measurements measured when the wind turbine was operating in a first operational mode are provided, and used to determine calibration parameters. Second blade load measurements measured when the wind turbine was operating in a second operational mode are provided, and the calibration parameters applied to determine calibrated blade load measurements. A pitch angle deviation of at least one blade of the turbine is estimated based on an identified difference between the calibrated blade load measurements, and a pitch angle is adjusted to correct for the pitch angle deviation.

公开(公告)号：US20210262447A1

公开(公告)日：2021-08-26

申请号：US17254800

申请日：2019-06-20

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： Pradeep BOSUKONDA ,  Tobias Østergaard ROSSEL ,  Johnny NIELSEN

IPC: F03D17/00 ,  F03D1/06 ,  G01S17/95

Abstract: A wind turbine blade is provided comprising a main blade portion and a light detection and ranging (LIDAR) element. The main blade portion has a shell defining an outer aerodynamic surface of the blade. The LIDAR element is disposed within a volume bounded by the outer aerodynamic surface and comprises at least one LIDAR system configured to transmit light beams away from the blade and to detect reflected light beams incident upon the blade.