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公开(公告)号：US20230003193A1
公开(公告)日：2023-01-05
申请号：US17856732
申请日：2022-07-01
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Julio Xavier Vianna NETO , Jon SOWMAN
Abstract: Control of a multi-rotor wind turbine system. A local controller is arranged for each wind turbine module and implementing a local model predictive control (MPC) routine. A central controller is arranged to determine a set of operational constraints of the wind turbine modules. Based on a current operational state of the wind turbine module and the set of operational constraints, one or more predicted operational trajectories are calculated and used for controlling the wind turbine module.
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公开(公告)号：US20210172419A1
公开(公告)日：2021-06-10
申请号：US16954084
申请日：2018-11-08
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Julio Xavier Vianna NETO , Germán Claudio TARNOWSKI , Mads BLUMENSAAT , Torben PETERSEN , Søren DALSGAARD
Abstract: A method for controlling a wind turbine is disclosed. During full load operation, a power reference value, Pref, representing a power level to be supplied to the power grid by the wind turbine, is received, and the wind turbine is controlled in order to produce an output power which is at or near the power reference value, Pref, while maintaining a constant torque on the generator. In the case that the produced output power of the wind turbine exceeds the power reference value, Pref, excess produced energy is stored in the energy storage system, and in the case that the produced output power of the wind turbine is below the power reference value, Pref, stored energy is retrieved from the energy storage system. A power level being equal to the power reference value, Pref, is supplied to the power grid.
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公开(公告)号：US20230243334A1
公开(公告)日：2023-08-03
申请号：US18009942
申请日：2021-06-09
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Julio Xavier Vianna NETO , Ander Yde WOLLESEN , Søren DALSGAARD
CPC classification number: F03D7/0204 , F03D1/02 , F03D17/00 , F05B2270/329 , F05B2270/32
Abstract: The present invention relates to a multirotor wind turbine comprising at least two rotor nacelle assemblies mounted to a support arrangement via respective yawing systems, and a toe angle control system for controlling the toe angles of the rotor nacelle assemblies with respect to the support arrangement; wherein the toe angle control system is configured to operate in a first mode in which the rotor nacelle assemblies are held at positive toe angles while the wind turbine is generating power in a main production mode; wherein the toe angle control system is further configured to monitor the operating mode of the wind turbine, and to switch to a second mode in which the yawing systems of the rotor nacelle assemblies are operated to reduce the toe angles of the rotor nacelle assemblies if an operating mode-based trigger condition has been met.
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公开(公告)号：US20220034295A1
公开(公告)日：2022-02-03
申请号：US17290979
申请日：2019-10-09
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Søren DALSGAARD , Julio Xavier Vianna NETO , Kim SØRENSEN , Poul Brandt CHRISTENSEN , Fabio CAPONETTI
Abstract: A method of charging an energy storage system, such as a battery, a capacitor, or a super capacitor, using a wind turbine is described. The method comprises establishing if turbine power production can be increased and establishing if the energy storage system is capable of taking a charge. If both conditions are met, the power generated by the wind turbine is increased above a rated power of the wind turbine and the additional power is used to charge the energy storage systems. A method of control is also disclosed.
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公开(公告)号：US20210270236A1
公开(公告)日：2021-09-02
申请号：US17258430
申请日：2019-07-03
Applicant: VESTAS WIND SYSTEMS A/S
Abstract: A method of damping oscillations in a multi-rotor wind turbine and a wind turbine are provided. The wind turbine comprises a wind turbine support structure and at least a first nacelle with a first rotor and a second nacelle with a second rotor, at least one of the nacelles being located at a position away from a central longitudinal axis of the wind turbine support structure. The method comprises the steps of receiving and processing motion data, selecting a damping algorithm and generating a pitch control signal. The processing comprises determining at least one prominent oscillation mode of the wind turbine support structure and selecting a corresponding damping algorithm.
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Patent Agency Ranking
公开(公告)号：US20250059948A1
公开(公告)日：2025-02-20
申请号：US18723546
申请日：2022-12-22
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Niels Henrik PEDERSEN , Jens-Kristian Egsgaard LANGKJÆR , Julio Xavier Vianna NETO , Søren DALSGAARD , Jesper Lykkegaard NEUBAUER
IPC: F03D7/02
Abstract: Systems, methods, and computer program products for controlling a yaw system of a wind turbine. The yaw system includes mechanical brakes that provide a first amount of braking torque when closed. The yaw system is configured to transition from a yawing state to a parked by brake state by closing mechanical brakes in a first subset of the mechanical brakes and opening each mechanical brake in a second subset of the mechanical brakes. The second subset provides a second amount of braking torque that is less than the first amount of braking torque. In response to detecting a rotation of the nacelle while in the parked by brake state, the yaw system is configured to transition from the parked by brake state to a parked by motor state in which yaw drives are activated to provide a counter acting torque in opposition to the detected rotation of the nacelle.
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公开(公告)号：US20220412305A1
公开(公告)日：2022-12-29
申请号：US17775218
申请日：2020-11-05
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Thomas S. Bjertrup NIELSEN , Brian JØRGENSEN , Kim Hylling SØRENSEN , Julio Xavier Vianna NETO
Abstract: A method for operating a wind turbine with hinged wind turbine blades is disclosed. The wind turbine comprises an adjustable biasing mechanism arranged to apply an adjustable biasing force to each wind turbine blade which biases the wind turbine blade towards a position defining a minimum pivot angle or towards a position defining maximum pivot angle. A biasing force is selected for each wind turbine blade and the selected biasing force is applied to the respective wind turbine blades. The wind turbine is operated while monitoring rotor unbalance of the wind turbine. In the case that the rotor unbalance exceeds a first threshold value at least one of the wind turbine blades is selected, and the biasing force applied to the selected wind turbine blade(s) is adjusted.
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公开(公告)号：US20200347823A1
公开(公告)日：2020-11-05
申请号：US16956987
申请日：2018-12-04
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Anders Yde WOLLESEN , Julio Xavier Vianna NETO , Kim Hylling SØRENSEN
IPC: F03D7/02
Abstract: There is presented a method for controlling a rotor on a wind turbine, wherein the rotor is comprising one or more blades, and wherein the wind turbine is comprising a pitch system, the method comprising: Operating the rotor in a standstill or idling operating state, determining or receiving one or more control parameters, where the control parameters enable determining one or more yawing parameters may be described as a function of the one or more control parameters, wherein the one or more yawing parameters comprises one or more of: An angular yawing velocity of the a yawing section, an angular yawing acceleration of the yawing section, and/or a yawing moment applied by the yawing section on a remainder of the wind turbine, and pitching based on the one or more control parameters one or more blades of the rotor with the pitch system.
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公开(公告)号：US20230120533A1
公开(公告)日：2023-04-20
申请号：US17911109
申请日：2021-03-08
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Søren DALSGAARD , Anders Yde WOLLESEN , Kim Hylling SØRENSEN , Julio Xavier Vianna NETO , Jonathan SAMSON
Abstract: A method for controlling a multirotor wind turbine comprising two or more energy generating units is disclosed. At least one load carrying structure is connected to a foundation or to a tower via a yaw arrangement, and the load carrying structure carries the at least two energy generating units. A requirement to a change in operation of at least a first of the energy generating units is detected. Control commands for the first energy generating unit and for at least a second energy generating unit, mounted on the same load carrying structure, are generated. The control commands cause the required change in operation, and the control commands cause coordinated operation of at least the first energy generating unit and the second energy generating unit. The control commands are generated under the constraint that a yaw moment of the yaw arrangement is maintained below a predefined threshold level.
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公开(公告)号：US20210207583A1
公开(公告)日：2021-07-08
申请号：US17055912
申请日：2019-05-13
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Søren DALSGAARD , Julio Xavier Vianna NETO
Abstract: The invention relates to a method for detecting and controlling whirling oscillations of the blades of a wind turbine. The detection of the whirling oscillations is based on measurement signal indicative of blade oscillations, and a rotation-transformation of the measurement signal from a measurement frame into at least one target frame based on the whirling oscillation frequency. The rotation-transformation comprises a backward or forward rotation transformation direction relative to a rotor rotation direction. The control is based on an oscillation component obtained from the rotation-transformed measurement signal where the oscillation component is indicative of the whirling oscillation in the backward and/or forward rotation direction.
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