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Patent Searching and Data


Matches 201 - 250 out of 6,037

Document Document Title
WO/2018/162100A1
The invention relates to a rotor blade (20) of a wind turbine (10) comprising an aerodynamic device (28) which can be actuated pneumatically by the use of a pressure supply system (30). The pressure supply system (30) comprises a pressur...  
WO/2018/162706A1
The invention relates to a method for determining the available power of a wind park (112). The wind park comprises multiple wind turbines (100) with a rotor (106) comprising rotor blades (108) with adjustable blade angles. The invention...  
WO/2018/158180A1
The invention relates to an adjustment unit (202, 302) for azimuth adjustment and/or pitch adjustment of a wind turbine (100), to an adjustment device, to a pitch adjustment device (200), to an azimuth adjustment device (300), to a wind ...  
WO/2018/157896A1
The invention relates to a method for monitoring performance of a multi-rotor wind turbine. According to the method parameter for each of the wind turbine modules of the multi-rotor wind turbine is obtained. The parameters of each of the...  
WO/2018/157897A1
The invention relates to a method for testing yaw system operation of a multi- rotor wind turbine. The multi-rotor wind turbine comprises a tower with a support structure, at least two wind turbine modules mounted to the support structur...  
WO/2018/153521A1
There is described a method of detecting a hazardous state of operation for a wind turbine (1), the hazardous state of operation being caused by a yaw error, the wind turbine (1) comprising a rotor having a hub which is covered by a spin...  
WO/2018/153591A1
It is described a method of controlling a permanent magnet generator (101), the method comprising: measuring mechanical noise (121) of the generator (101); deriving two quantities (125) indicative of an amplitude and a phase of an undesi...  
WO/2018/153524A1
The invention refers to an arrangement and to a method to detect an oil leakage (LKG) between a first section (S1) of a hydraulic cylinder (HC) and a second section (S2) of the hydraulic cylinder (HC). A movable piston (MP) is arranged b...  
WO/2018/153518A1
Method for load reduction on wind turbine blade pitch bearings It is described a method for adjusting a pitch angle (α) of a rotor blade (5) connected to a rotor (3) of a wind turbine (1), the method comprising: pitching the rotor blade...  
WO/2018/153526A1
It is described a method for controlling wind turbines (103a, 103b, 103c) of a wind park (100, 200) connected to a utility grid (111, 211), in case of a drop of a grid frequency, the method comprising: controlling each of the wind turbin...  
WO/2018/150623A1
Provided is a wind power generation device with which resonating of a wind turbine can be easily avoided. A wind power generation device (1) comprises a wind turbine (100), a rotational speed sensor (7) for detecting the rotational speed...  
WO/2018/149527A1
An arrangement to reduce vortex induced vibrations in a building structure. A building structure is disclosed, comprising an outer surface, whereby a vortex generator is connected to the outer surface of the building structure. The vorte...  
WO/2018/149369A1
A wind generating set, comprising a stand column (1) and a nacelle (2). The nacelle (2) is mounted on the upper end of the stand column (1), and a first electrical energy conversion component (21) is provided within the nacelle (2); a fi...  
WO/2018/145801A1
The invention relates to wind turbine with an auxiliary power supply (APU). The wind turbine further comprises a generator (G), a main converter (MCONV) and a transformer (TR). The generator (G) is connected with the main converter (MCON...  
WO/2018/147765A1
The invention relates to a wind turbine. A wind turbine with a vertical shaft, consisting of a disc on which vanes are uniformly mounted around the entire perimeter so as to be capable of rotating 180°, each vane being in the form of a ...  
WO/2018/145948A1
The invention relates to the rotor brake system of a wind turbine, wherein the brake arrangement is acted on by a hydraulic actuating arrangement having a tank (1), a motor-pump unit (2), at least one actuating cylinder (3), and a line a...  
WO/2018/146069A1
The present invention relates to a wind turbine, comprising a substantially vertically oriented rotation shaft, at least one wing or blade that is attached to said rotation shaft for rotating the shaft when there is a wind force exerted ...  
WO/2018/145715A1
A method for controlling a wind turbine, the wind turbine comprising a wind turbine blade, the method comprising: measuring one or more wind turbine parameters; determining, based on the one or more wind turbine parameters, whether negat...  
WO/2018/145710A1
The present invention relates to control of a wind turbine where nacelle vibration is reduced by use of blade pitching. The nacelle vibrations are reduced based on a position signal of the nacelle. A pitch signal is determined based on t...  
WO/2018/111153A3
The invention relates to the field of wind power engineering. An aerostatic floating wind motor with wind rotors contains an aerostatic floating module comprised of an aerostat skin, a wind power unit including a generator and orthogo...  
WO/2018/137099A1
Embodiments of the present invention relate to the technical field of the internet of things. Disclosed are a wind power generator set monitoring method and system based on the internet of things. The method comprises: receiving paramete...  
WO/2018/134331A1
The invention relates to a method for rotating the rotor (2) of a wind turbine (1), in particular in still air conditions. The method for rotating the rotor (2) of a wind turbine (1) having a rotor (2) which can rotate about a rotor axis...  
WO/2018/130641A1
This invention relates to a noise reducing device and a wind turbine blade comprises such a noise reducing device. The noise reducing device comprises a number of noise reducing elements projecting from a base part. A plurality of airflo...  
WO/2018/131821A1
The present invention provides an automatic angle-of-attack control wing that always maintains a reference angle of attack with optimum efficiency by automatically controlling the angle of attack of a wing according to changes in the dir...  
WO/2018/130651A1
This invention relates to a noise reducing device, a wind turbine blade comprises such a noise reducing device, a method of retrofitted a noise reducing device, and a method of manufacturing such a noise reducing device. The noise reduci...  
WO/2018/128058A1
[Problem] To provide a wind power generation device that can supply stable electrical power and a hydraulic device used in the wind power generation device. [Solution] A hydraulic device 100A is provided with a plurality of hydraulic pum...  
WO/2018/127261A1
The present disclosure relates to wind turbines, pitch adjustment cylinders for adjusting a pitch angle of a blade of a wind turbine, to methods of assembling pitch adjustment cylinders, and to use of pitch adjustment cylinders in wind t...  
WO/2018/128812A1
Power converters for use in wind turbine systems are included. For instance, a wind turbine system can include a full power generator having a stator and a rotor. The generator is configured to provide a low voltage alternating current p...  
WO/2018/125517A1
A hub assembly permits a rotor portion of a horizontal axis, fluid-driven turbine (e.g., with three or more blades) to teeter relative to a hub shaft. An outer hub member configured to receive turbine blades is permitted to rotate relati...  
WO/2018/121667A1
Disclosed are a method and a system of evaluating operation (100) of at least one wind turbine generator (WTG) (1) in a set of wind turbine generators (WTGs) controlled by at least one controller (20) operating the WTG based on at least ...  
WO/2018/121825A1
The invention relates to a method for controlling a wind turbine to change a power reference Pref from a first power level to a second power level dependent on a comparison of a grid frequency f with a frequency threshold fT. In order to...  
WO/2018/121668A1
Disclosed is a method of evaluating (100) performance of a specific wind turbine generator (WTG) (11) amongst a set of wind turbine generators (WTGs) (23). The method may comprise the following acts: measuring (110) actual power producti...  
WO/2018/122195A1
The invention discloses an apparatus for measuring the torsion between a first point (41) and a second point (42) of a test object (1), said second point being spaced apart from the first point. The apparatus comprises the following: a s...  
WO/2018/116218A1
A method for controlling wind turbine farm level loads by control strategy through site-specific topology effects. The method involves the steps of: providing wind velocity data from wind sensors mounted on the wind turbines, the velocit...  
WO/2018/113862A1
A method and apparatus for estimating a characteristic of a wind turbine electrical signal comprises buffering a sequence of sample values of the wind turbine electrical signal and a sequence of sample times corresponding with the sequen...  
WO/2018/115431A1
The present disclosure relates to a method and system for controlling an operation of a wind farm connected to a grid, the wind farm comprising a plurality of wind turbines, each wind turbine having a local controller, the method compris...  
WO/2018/113871A1
A method of controlling noise produced by a wind turbine is disclosed. The wind turbine comprises one or more component cooling devices, and the method comprises: receiving one or more inputs indicative of noise generated by the one or m...  
WO/2018/113873A1
A method of detecting electrical failures in a wind turbine generator control system is described. The method comprises sending a test pulse through a signal path within the control system and detecting the test pulse once it has passed ...  
WO/2018/114923A1
The invention relates to a method for controlling a wind turbine. The wind turbine has an aerodynamic rotor with rotor blades, the blade angle of which can be individually adjusted, and the rotor can be operated at a variable rotor rotat...  
WO/2018/113889A1
Temperature Control Based on Weather Forecasting Examples are generally directed to techniques for controlling a temperature of a blade, such as a blade in a wind turbine system. One example of the present disclosure is a method of contr...  
WO/2018/109100A1
The invention relates to a method for operating a wind turbine having a rotor and a generator driven by the rotor for generating electrical power, wherein, according to the invention, an adapted rotational speed of the rotor of the wind ...  
WO/2018/109141A1
The invention relates to a method for operating a wind turbine (100), and the wind turbine (100) has an aerodynamic rotor (106) with a rotor hub and with rotor blades (202) whose blade angle can be adjusted, and the azimuth direction of ...  
WO/2018/111128A1
The invention relates to the field of wind power and can be used for creating and modifying wind energy installations such as to operate more efficiently in a wide range of wind conditions, including at low annual average wind speeds (3-...  
WO/2018/108506A1
The invention relates to a rotor arresting device (10), to a wind turbine (100), and to a method for arresting and/or rotating a rotor (106). The rotor arresting device according to the invention comprises a rotor, a rotation assembly an...  
WO/2018/108974A1
The invention relates to a method for operating wind turbines (100), in particular of a wind farm (112). In this context, the power-limiting mode encompasses the steps of switching off at least one of the wind turbines (100) and operatin...  
WO/2018/109029A1
The invention relates to a bearing device (4) for a rotor blade (3), to a rotor-blade adjusting device, and to a rotor (1) of a wind turbine, and to such a wind turbine. The bearing device (4) comprises a solid-body joint (12). The solid...  
WO/2018/108795A1
The invention relates to a method for starting a wind turbine (14), in which a sector (28) containing the actual wind direction is chosen from a plurality of sectors (31), wherein, for the sector (28), a start threshold value (32) differ...  
WO/2018/105231A1
A wind turbine control device is provided which can perform a suppression operation for preventing rotation speed of a wind turbine from becoming too high when the wind speed is high, and can cancel said suppression operation when the wi...  
WO/2018/103286A1
Provided are a method and device for detecting an equivalent load of a wind turbine generator system. The method comprises: within each detection period, detecting environment data of each wind turbine generator system in a wind farm (S1...  
WO/2018/103801A1
A control system for one or more wind turbines comprising an RF receiver used as a method for adaptively controlling the noise mode of operation of a wind turbine. Preferably, this involves multilateration to determine location of RF sou...  

Matches 201 - 250 out of 6,037