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Matches 1 - 50 out of 5,631

Document Document Title
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...  
WO/2018/105484A1
[Problem] To effectively prevent damage to a drive device and/or a ring gear that would result from excessive force being generated at an engagement part of the drive device and the ring gear. [Solution] A drive device 10 that comprises:...  
WO/2018/104299A1
The invention relates to a method for operating a wind turbine for generating electrical power from wind, wherein the wind turbine comprises an aerodynamic rotor having rotor blades that are adjustable with regards to the blade angle the...  
WO/2018/105590A1
[Problem] To quickly and accurately detect abnormalities at a windmill drive device. [Solution] A windmill drive device 10 that has a drive device main body 20 and a sensor 40. The drive device main body 20 is arranged on one structure o...  
WO/2018/105969A1
Disclosed is an energy converting apparatus for converting mechanical energy obtained by a fluid flow into electric energy. The energy converting apparatus comprises: a blade; a measuring device for measuring reaction of the blade when t...  
WO/2018/105232A1
A wind turbine control device for generating wind power is provided which can perform rotation suppressing control which responds to the wind speed, quickly reacting to increases in wind speed even when the wind speed rises rapidly. This...  
WO/2018/099598A1
The invention relates to a wind power plant having at least one rotor (1), wherein the rotor (1) has at least two rotor blades (2), wherein each rotor blade (2) is rotatable about a substantially radially aligned adjustment axis (4), whe...  
WO/2018/100401A1
A wind turbine blade comprises a flexible external skin and an internal support structure, together defining an aerodynamic profile of the wind turbine blade. At least a portion of the internal support structure is adjustable to thereby ...  
WO/2018/099626A1
The invention relates to a method for controlling a power value of an offshore wind energy system (30), comprising: providing a power setpoint value, wherein the power setpoint value is a power-factor setpoint value and/or a reactive-pow...  
WO/2018/101833A1
A method of controlling a turbine of a floating wind turbine structure to reduce fatigue of its moorings comprises curtailing the turbine based on a pitching motion of the wind turbine structure and on a wind direction at the wind turbin...  
WO/2018/100125A1
The invention relates to a method for rebuilding an electric supply grid of a grid operator by means of at least one wind turbine. The electric supply grid has a first grid section and at least one additional grid section, and the first ...  
WO/2018/095496A1
A wind turbine system comprising a nacelle mounted on a tower, a rotor having a plurality of blades and a boundary layer control system configured to control airflow through blade surface openings in each of the blades. The wind turbine ...  
WO/2018/095493A1
A method, a controller and a wind turbine with a controller for controlling the wind turbine in a cluster of wind turbines. Each wind turbine is controlled individually and each windturbine is configured to deliver power to the same util...  
WO/2018/093593A1
A method and a system (111) for operating a hybrid power generation system (100) are presented, the hybrid power generation system (100) includes a wind power generation system (102), a wind power controller (104), a photo-voltaic (PV) p...  
WO/2018/091057A1
There is presented a method (320) for controlling a wind turbine (100), wherein said wind turbine comprises a wind turbine rotor (102) with one or more blades (103), wherein the wind turbine has a rated angular rotation speed (214) of th...  
WO/2018/091144A1
The invention relates to adjustment and/or drive units that can be used in wind turbines to set the azimuth angle of the wind turbine nacelle or the pitch angle of the rotor blades. Such an adjustment and/or drive unit has at least two a...  
WO/2018/091519A1
The present invention relates to a method for controlling a wind turbine (100), to an associated wind turbine (100) and to a wind farm having a plurality of wind turbines (100). The method comprises: providing a wind speed (350) and an i...  
WO/2018/091241A1
The invention relates to a wind turbine (100), comprising a tower (102), an aerodynamic rotor (106), wherein the aerodynamic rotor (106) can be operated at a variable rotor speed (n) and has a plurality of rotor blades (108), each having...  
WO/2018/091056A1
There is presented a method (320) for controlling a wind turbine (100), wherein said wind turbine comprises a wind turbine rotor (102) with one or more blades (103), wherein the wind turbine has a rated angular rotation speed (214) of th...  
WO/2018/091497A1
The invention relates to a wind turbine (2) and to a method for operating same. The wind turbine (2) comprises a rotor (4) and a brake device (20). The brake device (20) comprises a mechanical brake mechanism (22) which is mechanically c...  
WO/2018/086671A1
A method of identifying an operating parameter of a wind turbine that contributes to the generation of tonal noise. The method comprises acquiring operating parameter data associated with a plurality of operating parameters of the wind t...  
WO/2018/086153A1
A variable pitch encoder for a wind power generator set, comprising a magnetic scale strip that rotates in synchronization with a variable pitch bearing, and a magnetic head for converting the amount of rotation of the magnetic scale str...  
WO/2018/082372A1
A wind-driven power generating windmill having steerable fan blades, comprising: a bottom pillar (1), a windmill head (3) and a fan blade (2), wherein a root portion of the fan blade (2) is provided with a first rotating shaft; further c...  
WO/2018/082377A1
A wind turbine turned by wind, comprising a base post (1), a windmill head (3) and windmill blades (2). The root portion of the windmill blades (2) is provided with a first rotary shaft. A first rotary motor (4) is provided within the wi...  
WO/2018/084485A1
The present invention relates to a wind power generator for producing electric energy by using wind and, more specifically, provides a wind power generator for allowing only blades positioned higher than a horizontal rotary shaft to coll...  
WO/2018/077530A1
Damping wind turbine tower oscillations It is described a method for damping a side-side oscillation (5) of a tower (1) of a wind turbine (20) having a generator (29) connected to a converter (33), the method comprising: measuring an acc...  

Matches 1 - 50 out of 5,631