1037 patents
Page 50 of 52
Utility
Wind turbine controller with pitch feedback control loop in partial load
30 Dec 19
The control of the power output of wind turbine generator that operates in a derated mode to generate a produced power output level lower than an available power level.
Martin Ansbjerg Kjær, Jesper Sandberg Thomsen
Filed: 21 Jun 15
Utility
Systems and methods for generating an inertial response to a change in the voltage of an electrical grid
30 Dec 19
Systems, methods, and computer program products for providing an inertial response by a wind power system to power fluctuations in an electrical grid.
Germán Claudio Tarnowski
Filed: 18 Jul 17
Utility
Electrical connector for a wind turbine
30 Dec 19
An electrical connector for providing power between a nacelle and a hub of a wind turbine.
Christian Krogh Nielsen
Filed: 12 Oct 14
Utility
Wind Turbine Main Rotor Arrangement with Integrated Lubrication Facility
25 Dec 19
A main rotor arrangement for a wind turbine, comprising a shaft which is rotatable within a shaft housing about a rotational axis, a bearing including an inner ring, an outer ring, and a plurality of rolling elements, wherein the bearing is located between the shaft and the housing thereby to enable the shaft to rotate within the shaft housing.
Lutz Heuser
Filed: 1 Feb 18
Utility
DC-DC Converter and DC-DC Conversion Method
18 Dec 19
A DC to DC power converter is described which comprises a transformer, a primary side connected to a primary winding of the transformer, a secondary side connected to a secondary winding of the transformer, and a controller.
Catalin Gabriel DINCAN, Phillip Came KJÆR
Filed: 28 Jan 18
Utility
Control System for Wind Turbines for Reducing Disturbances In an Electrical Grid
18 Dec 19
The present invention relates to a method for controlling a power plant for reducing spectral disturbances in an electrical grid being operative connected to the power plant, the power plant comprising a plant controller, at least one wind turbine and at least one auxiliary energy source, wherein the at least one wind turbine comprises a rotor adapted to drive a power generator via a shaft, wherein the generator is connectable with the electrical grid, and at least one damping controller configured to compensate structural oscillations of the wind turbine by controlling a torque on the shaft, wherein the at least one damping controller is capable of setting a limit of a control action on the shaft, the method comprising the steps of determining disturbance information for the power plant in the form of an electrical disturbance at a point of measurement electrically connected to the power plant, determining set-points for the at least one auxiliary energy source based on the determined disturbance information, and assigning the set-points to the at least one auxiliary energy source in order to counteract at least part of the electrical disturbance at the point of measurement using at least part of an available amount of energy from the at least one auxiliary energy source.
Tobias Gybel HOVGAARD, Poul Brandt Christensen
Filed: 27 Jun 19
Utility
a Method of Controlling a Wind Turbine, a Controller for a Wind Turbine and a Wind Turbine
18 Dec 19
A method, a controller and a wind turbine with a controller for controlling the wind turbine in a cluster of wind turbines.
Kasper Zinck ØSTERGAARD, Gustavo MONJO, Martin Ansbjerg KJÆR
Filed: 12 Nov 17
Utility
Tool and a method for moving a wind turbine drivetrain component
16 Dec 19
The invention provides a tool for moving a drivetrain component in a nacelle of a horizontal axis wind turbine, the nacelle comprising a nacelle structure, the component being connected, in operation of the wind turbine, to a rotor of the wind turbine, the tool comprising at least drive unit for moving the component in relation to the nacelle in a direction parallel to the rotational axis of the rotor, and a plurality of position adjustment devices adapted to be located between the nacelle structure and the component, and distributed so that rotational movement of the component can be provided by coordinated control of the position adjustment devices.
Erland Falk Hansen, Morten Mogensen, Mads Damgaard
Filed: 14 Nov 12
Utility
Methods and apparatus for controlling wind turbines
9 Dec 19
Methods and systems for controlling a wind turbine in a manner that takes into account the degree of loading of and damage to one or more components of the turbine are provided.
Thomas Krüger, Martin Atzler, Poul Brandt Christensen, Robert Bowyer
Filed: 5 Oct 14
Utility
Transport frame for a wind turbine blade
9 Dec 19
Transport frame and method; the transport frame having a longitudinal, lateral and upright extent, and configured for transporting a root end of a longitudinally extending wind turbine blade having a root face with protruding stud-bolts, said frame comprising a root saddle, said frame further comprising a releasable interface clamp configured for fixing a said blade root in said frame, said interface clamp extending from a forward nose through a rear hinge point in said root frame and, said interface clamp comprising a body with a forward abutment surface and a bearing surface rearward of said abutment surface, said body being hingedly movable into or out of engagement with one or more stud bolts protruding from the root face of a blade when positioned in said saddle, said interface clamp having a retracted position with its body away from said blade root face and away from said protruding stud-bolts, said interface clamp having an engagement position in which its said bearing surface extends transverse and adjacent to one or more said stud-bolts such that a tightening force applied to a said bearing surface pushes said abutment surface against said root face.
Peter Frans Thomsen, Adrian Botwright, Michael Kastrup, Troels Vahle, Jacob Antonsen, Kristoffer Lolk Fredriksen, Lucia Quintana
Filed: 22 Dec 16
Utility
Methods for erecting or dismantling a multirotor wind turbine
9 Dec 19
A method for erecting a multirotor wind turbine (10) is disclosed.
Torben Ladegaard Baun, Jesper Lykkegaard Neubauer, Gunnar K. Storgaard Pedersen, Erik Carl Lehnskov Miranda
Filed: 13 Jul 16
Utility
a Method for Controlling Air Deflectors and Pitch Angles of Wind Turbine Blades
4 Dec 19
A method for controlling a wind turbine is disclosed, the wind turbine comprising a set of wind turbine blades (1), each wind turbine blade (1) being provided with at least one air deflector (2) being movable between an activated position in which it protrudes from a surface of the wind turbine blade (1) and a de-activated position.
Poul Brandt CHRISTENSEN, Claus THYBO, Jesper Sandberg THOMSEN
Filed: 19 Sep 17
Utility
Detecting Electrical Failures In a Wind Turbine Generator Control System
4 Dec 19
A method of detecting electrical failures in a wind turbine generator control system is described.
Lars Rohrmann ANDERSEN, John BENGTSON, Karl Axel PÉTURSSON
Filed: 11 Dec 17
Utility
Method for Operating a Power Generation System
4 Dec 19
A method for operating a power generation system coupled to a power grid during a grid unbalance event, a method for determining an injection current to be supplied into a power grid by a power generation system, and a method for addressing an asymmetric grid fault in a power grid connected to a power generation system are provided.
Amit Kumar GUPTA, John Godsk NIELSEN, Liang YANG
Filed: 9 Jul 17
Utility
Control method for a wind turbine
2 Dec 19
The invention relates to a method of controlling a wind turbine, the wind turbine comprising wind turbine blades attached to a rotor hub and a control system for pitching the blades relative to the rotor hub.
Erik Carl Lehnskov Miranda, Martin Atzler, Shuang Li, Thomas Scheel
Filed: 22 Feb 15
Utility
Power ramping a turbine from a low-power mode
2 Dec 19
Embodiments herein describe varying the rotor speed based on the current wind speed when operating in a low power mode.
Martin Ansbjerg Kjær, Robert Bowyer, Robert Grøn-Stevens, Jacob Deleuran Grunnet, Carsten Nørlund Thomsen, Jesper Sandberg Thomsen
Filed: 28 Feb 16
Utility
Method and Apparatus for Assembling a Wind Turbine Blade Having an Internal Web
27 Nov 19
A method and apparatus for assembling a wind turbine blade (10) including first and second outer shell portions (16, 18) and an internal web (12) are provided.
Andrew Hedges, Arne Haahr
Filed: 9 Jan 18
Utility
Method of Attaching a Tip Extension to a Wind Turbine Blade
27 Nov 19
A method of attaching a tip extension to a wind turbine blade is described.
Leon Barton, Alan Bower
Filed: 13 Sep 17
Utility
Power System and Method for Operating a Wind Power System with a Dispatching Algorithm
27 Nov 19
The present invention relates to a power system having a plurality wind turbine generators and a power plant controller arranged to communicate with the plurality of wind turbines generators, where each of the plurality of wind turbine generator being related to a wind turbine controller, the wind turbine controller being arranged to control an active power output in its related wind turbine generator according to an active power set point received from the wind power plant controller; a first subset of wind turbine generators operating at an active power output unrestricted of the active power set point; and a second subset of wind turbine generators operating according to an active power set point; and wherein the wind power plant controller communicates the active power set point, in accordance with the active power output of the first subset of the plurality of wind turbines generators, so as to reduce active power fluctuation of the aggregated active power output of the first and second subset of the plurality of wind turbines generators.
Germán Claudio TARNOWSKI
Filed: 16 Jun 19
Utility
Insulated Shaft Joint
27 Nov 19
The present invention relates to an insulated shaft joint (1) for electrically insulating a rotational member (2) from an end section of a shaft (3) to which the rotational member (2) is connected.
Christian Bager, Noel Yambeh Yambaha
Filed: 16 Nov 17