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公开(公告)号：US20200291922A1
公开(公告)日：2020-09-17
申请号：US16770869
申请日：2018-12-03
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Tobias Gybel HOVGAARD , Jacob Deleuran GRUNNET
Abstract: A main computing system maintains and optimizes a predictive control model for an energy system, wherein the main computing system receives state information for the energy system, optimizes the predictive control model, and generates control rules for control of the energy system. The one or more local computing systems, each have a local memory for storing control rules for controlling the associated local state. The main computing system receives local state information and updates control rules, wherein the updated control rules comprise a subset of the control rules generated by the main computing system selected to be appropriate to the local state information received at the main computing system.
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公开(公告)号：US20200271093A1
公开(公告)日：2020-08-27
申请号：US16647267
申请日：2018-09-11
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Jacob Deleuran GRUNNET , Tobias Gybel HOVGAARD
Abstract: A method of controlling pitch of individual blades in a wind turbine is described, together with a suitable controller. Wind speed is determined as a function of azimuthal angle. Wind speed is then predicted for individual blades over a prediction horizon using this determination of wind speed as a function of azimuthal angle. The predicted wind speed for each individual blade is used in a performance function, which is optimized to control individual blade pitches.
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公开(公告)号：US20190055923A1
公开(公告)日：2019-02-21
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
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.
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公开(公告)号：US20190048849A1
公开(公告)日：2019-02-14
申请号：US16076564
申请日：2017-02-10
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Jacob Deleuran GRUNNET , Damien CASTAIGNET , Keld HAMMERUM , Kasper ZINCK
Abstract: A method of controlling a wind turbine is described. The method comprises calculating a current wear rate for each of the main bearing of a turbine rotor and the blade bearings of rotor blades mounted on the turbine rotor, and calculating a blade pitch adjustment of the rotor blades to achieved a desired ratio between main bearing wear and blade bearing wear in dependence on the calculated current wear rates of the main bearing and the blade bearings.
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公开(公告)号：US20180171974A1
公开(公告)日：2018-06-21
申请号：US15735524
申请日：2016-06-09
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Martin Ansbjerg KJÆR , Jesper Sandberg THOMSEN , Jacob Krogh KRISTOFFERSEN , Jacob Deleuran GRUNNET
IPC: F03D7/02
CPC classification number: F03D7/028 , F05B2270/1033 , F05B2270/309 , F05B2270/335 , Y02E10/723
Abstract: The invention relates to a control system for a wind turbine. The wind turbine comprises a power generator configured to generate power dependent on a power request. The control system comprises a ramp rate limiter configured to restrict a rate of change of the power request according to a rate of change limit and configured to determine the rate of change limit dependent on a power difference between the power request and an estimated available wind power.
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Patent Agency Ranking
公开(公告)号：US20180051675A1
公开(公告)日：2018-02-22
申请号：US15554356
申请日：2016-02-29
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Martin Ansbjerg KJÆR , Robert BOWYER , Robert GRØN-STEVENS , Jacob Deleuran GRUNNET , Carsten Nørlund THOMSEN , Jesper Sandberg THOMSEN
CPC classification number: F03D7/0284 , F03D7/0224 , F03D7/0276 , F05B2220/706 , F05B2270/1033 , F05B2270/32 , F05B2270/327 , F05B2270/328 , F05B2270/337 , G05B15/02 , Y02E10/723 , Y02E10/725
Abstract: Embodiments herein describe varying the rotor speed based on the current wind speed when operating in a low power mode. Generally, as the wind speed increases above the rated wind speed (i.e., the wind speed at which the turbine is capable of producing its rated or maximum output power), the rotor speed can be reduced thereby minimizing the risk that the turbine experiences smearing or torque reversals. In one embodiment, as the rotor speed decreases, the turbine maintains the ability to ramp to the rated power of the turbine only by pitching in the blades to an optimal blade pitch angle. Thus, upon receiving a request to cease operating in the low power mode, the turbine can increase the output power to the rated power without first increasing the rotor speed.
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公开(公告)号：US20160377058A1
公开(公告)日：2016-12-29
申请号：US15102955
申请日：2014-12-05
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Fabio CAPONETTI , Thomas KRÜGER , Ian COUCHMAN , Ilias Konstantinos ARISTON , Martin BRØDSGAARD , Jacob Deleuran GRUNNET , Jesper Sandberg THOMSEN , Peter Mortensen SIGFRED
CPC classification number: F03D7/0296 , F03D7/0224 , F03D7/024 , F03D7/0272 , F03D7/043 , F03D9/25 , F05B2220/706 , F05B2240/2211 , F05B2260/821 , F05B2260/964 , F05B2270/334 , Y02E10/723 , Y02E10/725
Abstract: The present invention refers to a method for operating a wind turbine, the wind turbine particularly comprising a tower and a rotor with rotor blades. The pitch angles of the rotor blades are adjusted to generate a force on the rotor and the tower. The force is adjusted to counteract and damp an oscillation. The adjustment is enabled by an activation decision unit, if the activation decision unit decides that certain parameters characterising the oscillation or loads of the tower indicate a requirement and/or if the activation decision unit determines that the generated force is sufficient to counteract an oscillation of the tower. In various embodiments the parameters characterising the oscillation or loads of the tower comprise current oscillations and their amplitude, an estimate of loads incurred in the turbine structure, an estimate whether damping in the near future might become necessary, an indication whether a different oscillation damping algorithm than individual blade pitch control is currently performing, and an indication whether a wind speed is above a certain portion of a rated wind speed.
Abstract translation: 本发明涉及一种用于操作风力涡轮机的方法，所述风力涡轮机特别地包括塔和具有转子叶片的转子。 调整转子叶片的桨距角以在转子和塔上产生力。 调节力以抵消和阻尼振荡。 如果激活判定单元确定表征塔的振荡或负载的某些参数指示要求，和/或如果激活判定单元确定所产生的力足以抵消振荡的振荡 塔。 在各种实施例中，表征塔的振荡或负载的参数包括电流振荡及其振幅，涡轮机结构中引起的负载的估计，是否需要在不久的将来阻尼的估计，是否有不同的振荡阻尼算法 比单个叶片桨距控制正在执行，以及风速是否高于额定风速的某一部分的指示。
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公开(公告)号：US20230265829A1
公开(公告)日：2023-08-24
申请号：US18010771
申请日：2021-06-10
Applicant: VESTAS WIND SYSTEMS A/S
IPC: F03D7/02
CPC classification number: F03D7/0224 , F05B2270/328 , F05B2270/1033
Abstract: A method of controlling a wind turbine blade of a wind turbine comprising: providing data comprising a plurality of pitch angles of the wind turbine blade and corresponding expected power coefficients for the wind turbine, each pitch angle corresponding to a maximum expected power coefficient for a degradation state of the wind turbine blade; obtaining a current power coefficient of the wind turbine; determining a desired pitch angle for the wind turbine blade, the desired pitch angle being equal to a pitch angle from the dataset corresponding to an expected power coefficient equal to the current power coefficient; and changing a pitch angle of the wind turbine blade to the desired pitch angle.
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公开(公告)号：US20220393466A1
公开(公告)日：2022-12-08
申请号：US17763146
申请日：2020-08-26
Applicant: VESTAS WIND SYSTEMS A/S
Inventor： Jacob Deleuran GRUNNET , Tobias Gybel HOVGAARD
Abstract: A method of controlling a wind power plant including an energy storage device, the wind power plant being connected to a power grid and comprising one or more wind turbine generators that produce electrical power for delivery to the power grid, the method comprising: processing input data related to one or more inputs to the wind power plant to determine a probability forecast for each input; and controlling charging and discharging of the energy storage device in accordance with each probability forecast and a prescribed probability of violating one or more grid requirements.
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公开(公告)号：US20180363627A1
公开(公告)日：2018-12-20
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
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.
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