494 patents
Page 5 of 25
Utility
Bearing unit for a yawing system of a wind turbine
14 Mar 23
A bearing unit of a yawing system of a wind turbine having a tower and a nacelle connected by the yawing system.
Flemming Christensen, David Österberg
Filed: 2 Sep 19
Utility
Dynamic control of trip temperature for power module
14 Mar 23
A wind turbine with a power converter system having a plurality of power modules each with a semiconductor component, such as IGBTs, and a temperature sensor arranged in thermal connection with the semiconductor component for generating a temperature signal according to a sensed temperature.
Thomas Lundgren Andersen, Kristian Bonderup Pedersen, Hardik Bodiwala
Filed: 11 Dec 19
Utility
Recurring fault protection for wind power plants
7 Mar 23
A method for operating a wind turbine generator connected to a power network to account for recurring voltage faults on the power network caused by automatic reclosure of at least one circuit breaker following a short-circuit.
Manoj Gupta, Janakiraman Sivasankaran
Filed: 20 Nov 18
Utility
Stray current detection in wind turbine generators
28 Feb 23
An electrical power generating assembly (20) for a wind turbine (1).
Peter Mongeau, Nicolaj Olesen, Lars Brink Christensen, Marek Swies
Filed: 17 Dec 19
Utility
Equipotential bonding of wind turbine rotor blade
28 Feb 23
A wind turbine rotor blade has a spar cap including conductive material, and a lightning conductor extending over the spar cap.
Angela Thwaites, Toby Collard, Robert Hunter
Filed: 15 Nov 19
Utility
Wind turbine blade manufacture
21 Feb 23
Improvements relating to wind turbine blade manufacture 5 A method of making a wind turbine blade is described.
Robert Charles Preston, Sean Keohan, Andrew Hedges
Filed: 6 Nov 18
Utility
Pressure relief arrangement with magnets
21 Feb 23
A cabinet For electronic components, the cabinet comprising an outer wall, a closure, and an attachment structure, the cuter wall encapsulating an internal space and forming an opening, the closure being attached to the outer wall by the attachment structure, and the attachment structure allowing movement of the closure relative to the outer wall between an open position where the opening is uncovered and a closed position where the opening is covered by the closure.
Kenneth G. Hansen, Hans Christian Bisgaard-Clausen, Dennis Iversen
Filed: 7 Nov 18
Utility
Rotor speed control of a wind turbine
14 Feb 23
Techniques for controlling rotor speed of a wind turbine.
Jacob Deleuran Grunnet, Tobias Gybel Hovgaard, Jan-Willem Van Wingerden, Sebastiaan Mulders
Filed: 22 Apr 20
Utility
Torsional testing of a wind turbine blade
14 Feb 23
A test apparatus for torsional testing of a wind turbine blade is provided.
William David Richards, Pierre-Emmanuel Verrien, Michael Dann
Filed: 29 Nov 17
Utility
Method and system for controlling a wind turbine to reduce nacelle vibration
7 Feb 23
The present invention relates to a method of controlling a wind turbine comprising a tower supporting a rotor comprising a plurality of pitch-adjustable rotor blades.
Karthik Vasudevan, Poul Brandt Christensen, James Alexander Nichols, Jacob Deleuran Grunnet
Filed: 3 Jul 19
Utility
Wind turbine design method
31 Jan 23
A radiating component of the wind turbine is modelled as a plurality of elements, wherein each element represents a physical portion of the radiating component and at least a portion of each of the elements are acoustically coupled to one or more of the other elements.
Mranal Gupta, Alf Søe-Knudsen
Filed: 14 Dec 18
Utility
Electro-thermal heating elements
31 Jan 23
The present invention relates to methods and electro-thermal heating elements in which the electro-thermal heating element comprises a cut-out.
Luke Spandley, Paul Badger
Filed: 15 Jun 18
Utility
Method for determining a yaw position offset of a wind turbine
24 Jan 23
A method for determining a yaw position offset of a wind turbine (1) is provided.
Brian Melgaard Christensen
Filed: 1 Mar 17
Utility
Damper unit for a tower structure
24 Jan 23
The present invention relates to a damper unit for damping oscillations of a tower structure when secured thereto, the damper unit comprising a damper unit structure adapted for attachment to the tower structure, a pendulum structure, a suspension arrangement for suspending the pendulum structure from the damper unit structure such that the pendulum structure is allowed to displace from a neutral position for the pendulum structure, the suspension arrangement comprising one or more wires for suspending the pendulum structure, a sensor adapted for measuring oscillations of the tower structure, and tuning means configured for adjusting the natural frequency of the suspended pendulum structure in response to measured oscillations of the tower structure.
Søren Bøgelund Madsen, Jes Grøn Andersen
Filed: 26 Jun 19
Utility
DC chopper for MMC cell with integrated chopper resistor
24 Jan 23
This disclosure proposes a topology that integrates a DC chopper into the Modular Multilevel Converter (MMC) cells of a power converter.
Ciprian Biris, Cem Özgür Gerçek, Lars Helle, Duy Duc Doan, Tune Pedersen
Filed: 27 Dec 21
Utility
Blade pitch control monitoring system for a wind turbine
10 Jan 23
A method is provided for monitoring a pitch control system for a rotor blade of a wind turbine.
Christian Jeppesen, Silvia Estelles Martinez
Filed: 2 Mar 21
Utility
Method for performing maintenance on a wind turbine part
10 Jan 23
A method for performing maintenance on an outer surface of at least one wind turbine part, such as a tower (2), a nacelle (3) or a wind turbine blade (5), of an offshore wind turbine (1) is disclosed.
Jan Christensen
Filed: 26 Oct 18
Utility
Method and apparatus for monitoring the condition of a yaw system
3 Jan 23
A first aspect of the invention provides a method of monitoring the condition of a yaw system of a wind turbine, the wind turbine comprising a rotor, the yaw system arranged to control a yaw rotation of the rotor, the method comprising: providing design data 5 representing an expected relationship between yaw moment and yaw rotation speed; measuring a pair of parameters, the pair of parameters comprising a yaw moment parameter indicative of a yaw moment applied to the yaw system, and a yaw rotation speed parameter indicative of a yaw rotation speed caused by the yaw moment; using the design data to evaluate whether the pair of parameters deviates from the expected 10 relationship; and determining a condition of the yaw system on the basis of the evaluation.
Søren Dalsgaard, Peter Bøttcher, Jesper Lykkegaard Neubauer, Anders Yde Wollesen, Julio Xavier Vianna Netø
Filed: 17 Dec 19
Utility
Apparatus and methods for monitoring the ambient environment of wind turbines
3 Jan 23
An apparatus for monitoring an ambient environment of a wind turbine is described.
Jacob Deleuran Grunnet, Claus Thybo, Johnny Nielsen
Filed: 14 Jun 18
Utility
Electro-Thermal Heating system for wind turbine blades
3 Jan 23
The present invention relates to a method of controlling an electro-thermal heating system in a wind turbine blade, comprising measuring a supply voltage to the electro-thermal heating system, determining a duration of a variable time based enforced off period based on the measured supply voltage, and inserting the variable time based enforced off period between subsequent switching duty cycles that controls the electro-thermal heating system.
Arran Wood, Stephen Buggy, Paul Badger
Filed: 21 Jun 18