Siemens Gamesa Renewable Energy A/s

Siemens Aktiengesellschaft

Bonus Energy A/s

Peder Bay Enevoldsen

Alejandro Gomez Gonzalez

Per Egedal

Busra Akay

Søren Hjort

Moritz Fiedel

Ib Frydendal

Rune Rubak

Jesper Monrad Laursen

Bodo Richert

Steffen Frydendal Poulsen

Gustav Hoegh

Carsten Thrue

Florian Girschig

Alex Loeven

Henrik Stiesdal

Peter Fuglsang

Stefan Oerlemans

Mikkel Aggersbjerg Kristensen

Michael J Asheim

Jens Jørgen Østergaard Kristensen

Drew Eisenberg

Jens Joergen Kristensen

Soeren Hjort

Karsten Schibsbye

Steffen Udluft

Thomas Esbensen

Volkmar Sterzing

Marc Christian Weber

Clemens Otte

Jason Stege

Kaj Olsen

Alexander Hentschel

Jesper Blok

Bo Birkemose

Bjarne Skovmose Kallesøe

Sigmund Wenningsted Torgard

Esther Meyer

Manjinder J Singh

Martin Winther-Jensen

Jonas Madsen

Giridhar Ramanujam

Anders Vangsgaard Nielsen

Lasse Gilling

Alonso O Zamora Rodriguez

Eduardo Raymaska Wiputra

Oriol Ferret Gasch

Arni T Steingrimsson

Liekele Broersma

Michael Nørlem

Søren Forbech Elmose

Claus Vad

Jochen Cleve

Anders Smaerup Olsen

Markus Kaiser

Tommy Hastrup Knudsen

Frank Scheurich

Erik Steven Haugen

Lennart Froelund

Julian Ehlers

Kristoffer Ahrens Dickow

Valerio Lorenzoni

Martin Greiner

Michael Hind

Kaj Johansen

Jens Jørgen Ø Kristensen

Cornelis Jan Stam

Sune Niemann Jensen

Peter J Rimmington

Jesper Laursen

Jens Jørgen ØStergaard Kristensen

A rotor blade of a wind turbine is provided, the rotor blade including a lift modifying device having at least one fluid jet module and at least one compressed fluid source, wherein the at least one fluid jet module includes multiple fluid jets, which are fluidically connected to the at least one compressed fluid source, whereby the at least one fluid jet module is mounted as an add-on onto an outer surface of the suction side or the pressure side of the rotor blade. Also provided is a method for installing this rotor blade, whereby a rotor blade is provided and the at least one fluid jet module is mounted as an add-on onto the outer surface of the suction side or the pressure side of the rotor blade.

Rotor blade of a wind turbine comprising a lift modifying device and method for installing thereof

A lift modifying device for a rotor blade of a wind turbine is provided, the lifting modifying device including at least one fluid jet module and at least one compressed fluid source, wherein the at least one fluid jet module includes multiple fluid jets, which are fluidically connected to the at least one compressed fluid source, the at least one fluid jet module is configured to be arranged at a suction side or a pressure side of an airfoil of the rotor blade, and the at least one fluid jet module is configured to generate a fluid curtain separating an air flow on the suction side or the pressure side of the airfoil, when the rotor blade is provided with the lift modifying device on its suction side or pressure side and the at least one compressed fluid source supplies compressed fluid to the at least one fluid jet module.

Lift modifying device for a rotor blade, rotor blade of a wind turbine and method for modifying the lift of a rotor blade

A wind turbine blade includes a plurality of add-on elements, which are arranged on an outer surface of the blade, wherein the plurality of add-on elements includes at least one flexible add-on element and at least one stiff add-on element of the same add-on element type, wherein the flexible add-on element is made at least predominantly of an elastic material and the stiff add-on element are made at least predominantly of a stiff material, which is stiffer than the elastic material, wherein the flexible add-on element and the stiff add-on element are arranged offset in span-wise direction and/or in chord-wise direction of the blade.

Wind turbine blade and wind turbine with a plurality of add-on elements

A load mitigation arrangement of a non-mounted rotor blade, includes at least one actuatable lift-modification device arranged on a surface of the rotor blade; a monitor configured to estimate the magnitudes of loads acting on the non-mounted rotor blade; a controller configured to actuate the lift-modification device on the basis of the estimated magnitudes to mitigate the loads acting on the non-mounted rotor blade. Further provided is a rotor blade assembly, and a method of performing load mitigation on a non-mounted rotor blade.

Load mitigation arrangement

A method of controlling a pitching system of a rotating rotor blade of a wind turbine includes: controlling the pitching system such that unintended pitching due to gravity is reduced.

Compensating gravity cycles of a pitching system

Provided is an adaptable spoiler for a wind turbine blade, including: a flexible body including: an outer surface to be exposed to air flow; an internal surface limiting a cavity to be inflated with fluid to different level, wherein a shape and/or position and/or orientation of the surface to be exposed to air flow changes upon inflating the cavity to different level.

Adaptable spoiler for a wind turbine blade

Provided is a method for detecting the operative status of an aerodynamic device for influencing the airflow which flows from the leading edge of a rotor blade for a wind turbine to the trailing edge of the rotor blade, the aerodynamic device being movable by an actuator between a first protruded configuration and a second retracted configuration. The method includes the steps of measuring a temporal course of an operational value of the wind turbine, comparing the measured temporal course of the operational value with a desired temporal course of an operational value, and deriving an operative status of the aerodynamic device.

Wind turbine blade flow regulation

Provided is an adaptable spoiler for a wind turbine rotor blade, including: a base element adapted to be connected at or integrated with a rotor blade; an airfoil element being attachable to the base element and having an airfoil shaped surface to be exposed to an air flow.

Provided is an apparatus and method for cooperative controlling wind turbines of a wind farm, wherein the wind farm includes at least one pair of turbines aligned along a common axis approximately parallel to a current wind direction and having an upstream turbine and a downstream turbine. The method includes the steps of: a) providing a data driven model trained with a machine learning method and stored in a database, b) determining a decision parameter for controlling at least one of the upstream turbine and the downstream turbine by feeding the data driven model with the current power production of the upstream turbine which returns a prediction value indicating whether the downstream turbine will be affected by wake, and/or the temporal evolvement of the current power production of the upstream turbine; c) based on the decision parameter, determining control parameters for the upstream turbine and/or the downstream turbine.

Method and apparatus for cooperative controlling wind turbines of a wind farm

Provided is a method for determining at least one characteristic of a boundary layer a wind turbine rotor blade, including capturing at least one movement of at least one flexible element of at least one sensor being attached to or being part of a surface of the rotor blade, determining the at least one characteristic of the boundary layer based on the at least one captured movement of the at least one flexible element. Further, a sensor device, a wind turbine and a device as well as a computer program product and a computer readable medium are suggested for performing the method.

Determining at least one characteristic of a boundary layer of a wind turbine rotor blade

Provided is a method of manufacturing wind turbine rotor blades, wherein each rotor blade includes an inboard section and an outboard section, and wherein an inboard blade section including a root end and a transition region is manufactured using a first casting process; and an outboard blade section including an airfoil region is manufactured using a second casting process, which second casting process is different from the first casting process. The invention further describes a wind turbine rotor blade manufactured using such a method.

Method of manufacturing wind turbine rotor blades

Provided is a method for adjusting a pitch angle of a rotor blade connected to a rotor of a wind turbine, the method includes: pitching the rotor blade towards a target blade pitch angle, the manner of pitching depending on a load on a pitch bearing and/or an azimuthal position of the rotor.

Method for load reduction on wind turbine blade pitch bearings

A wind turbine with a rotor blade, wherein the rotor blade includes a pneumatically activatable aerodynamic device and the wind turbine includes a pressure supply system for controlling the activatable aerodynamic device is provided. The pressure supply system includes a pressurized air supply system, a pressurized air transmission system with pressure lines for transmitting the supplied pressurized air from the pressurized air supply system to the aerodynamic device, and at least one pneumatic actuator for activating the aerodynamic device.

Pressure supply system for a pneumatically activatable aerodynamic device of a rotor blade of a wind turbine

A rotor blade of a wind turbine including an aerodynamic device which can be actuated pneumatically by the use of a pressure supply system is provided. The pressure supply system includes a pressurized air supply system, a pressurized air transmission system with pressure lines for transmitting the supplied pressurized air from the pressurized air supply system to the aerodynamic device, at least one pneumatic actuator for activating the aerodynamic device, and a safety system to protect the rotor blade from damages caused by overpressure in the pressurized air transmission system and/or the actuator. The safety system includes means for discharging pressurized air from the pressurized air transmission system and/or the actuator. Also provided is a wind turbine for generating electricity including at least one such rotor blade.

Safety system for an aerodynamic device of a wind turbine rotor blade

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Vejle, Denmark

Peder Bay Enevoldsen