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Patent Searching and Data


Matches 401 - 450 out of 6,037

Document Document Title
WO/2017/144631A1
The invention relates to a method for determining an equivalent wind velocity of a rotor blade plane of a wind turbine (100) having a rotor (106) having blade-angle-adjustable rotor blades (108), comprising the following steps: determini...  
WO/2017/144063A1
The invention relates to a wind turbine system (1) with several wind turbine modules (2) mounted to a support structure (3). A control system is configured to determine a lift command (21) for a particular wind turbine module (2') of the...  
WO/2017/144061A1
A method for damping an oscillation of a tower of a wind turbine is disclosed, wherein a pitch angle of each of the one or more rotor blades is individually adjustable, the method comprising damping the oscillation of the tower by pitchi...  
WO/2017/144576A1
The invention relates to a method for controlling a windfarm (1) which has a plurality of wind turbines (2) and feeds energy into an electrical supply grid (8) at a grid connection point (6), comprising the steps of inputting at least on...  
WO/2017/140316A1
The present invention relates to control of a wind turbine, and in particular it relates to a distributed control system including a blade controller for each blade of the wind turbine. The electrical connection between each blade contro...  
WO/2017/137050A1
A method of controlling a wind turbine is described. The method comprises calculating a current wear rate for each of the main bearing of a turbine rotor and the blade bearings of rotor blades mounted on the turbine rotor, and calculatin...  
WO/2017/137051A1
A yaw sensor for a wind turbine is described. The yaw sensor comprises a plurality of rotary switches, each configured to be coupled to a yaw drive gearbox of a wind turbine nacelle, the rotary switches each being operable to activate an...  
WO/2017/135657A1
The present invention relates to a torque mode switch control system for maintaining a rated output of a wind turbine and, more specifically, to a torque mode switch control system and method for a wind turbine, the system comprising: a ...  
WO/2017/134821A1
The present invention is provided with: a reference light source (1) for oscillating a laser light; an optical phase modulator (3) for phase-modulating transmitted light of the laser light on the basis of a linear phase-modulated signal ...  
WO/2017/134208A1
A method for heating a wind turbine facility (42) comprises: charging a DC link (24) of an electrical converter (10) connected with a wind turbine (14) of the wind turbine facility (42); heating air inside the wind turbine facility (42) ...  
WO/2017/134604A1
A highly efficient wind turbine is used to generate electricity from wind. The highly efficient wind turbine includes a cowling, a turbine wheel, a support shaft, and an electricity-generating unit. The cowling is mounted around the supp...  
WO/2017/134608A1
Vertical axis wind turbine (10) comprising a blade support assembly (12) having a central hub (13) defining a vertical axis of rotation (A), a power take¬ off shaft which is connected to an electrical power generator and a pair of resis...  
WO/2017/129740A1
The invention relates to a method for feeding electrical power into an electrical supply network at a network connection point by means of at least one wind turbine, comprising the following steps: generating electrical power from wind; ...  
WO/2017/126798A1
A thermal blind device having a wind power generation function, which is proposed by the present invention, is configured to store power generated through wind power generation in a rechargeable battery, and supply the power of the recha...  
WO/2017/084755A3
The present invention relates to adjustment and/or drive units as those which can be used in wind power plants for adjusting the azimuth angle of the nacelle of the wind power plant or the pitch angle of rotor blades, wherein such an adj...  
WO/2017/121433A1
A yaw sensor for a wind turbine is described. The yaw sensor comprises a rotary switch, configured to be coupled to a yaw drive gearbox of a wind turbine nacelle, the rotary switch being operable to activate and deactivate an electrical ...  
WO/2017/121697A1
The invention relates to a wind power installation comprising a rotor (6) which can be turned with wind power, and has a rotor hub (10) and at least one rotor blade (11) rotatably mounted thereon, a higher-level operation control device ...  
WO/2017/121860A1
The invention relates to a method for evaluating an inflow on a rotor blade (108) of a wind turbine (100), having the following steps: - detecting at least one part of a pressure spectrum of a pressure (P), in particular wall pressure, o...  
WO/2017/118460A1
The present invention relates to a method for controlling a wind power plant, WPP, comprising a plurality of wind turbine generators, WTGs, connected to an electrical grid, the method comprising: setting a plant power reference (Ptotal) ...  
WO/2017/115565A1
[Problem] To provide a vertical wind power generation system which is adapted for a wide range of wind speeds from gentle wind to strong wind, and which has a high efficiency of conversion into rotational energy, and a control method the...  
WO/2017/114527A1
A method for controlling a wind power plant comprising a plurality of wind turbine generators, wherein the method comprises: deriving an estimated value for electrical losses in the wind power plant, deriving a measured value for electri...  
WO/2017/117414A1
A system can include a wind turbine and a generator coupled with the wind turbine for converting wind energy to electrical energy. The system can also include a variable displacement machine configured to use the wind energy to compress ...  
WO/2017/107693A1
Disclosed are a computer storage medium, a computer program product, and a yaw control method and an apparatus of a wind power generation unit. The yaw control method of a wind power generation unit comprises: acquiring, in real time and...  
WO/2017/107919A1
A system for operating a wind turbine farm, comprising a plurality of wind turbines (1) having at least one ambient sensor (7) and optionally at least one operating sensor (9). The wind turbines are in communication with a remote control...  
WO/2017/108047A1
There is presented a wind turbine system (1), wherein the wind turbine system is comprising a support structure (3), a plurality of wind turbine modules (2) mounted to the support structure (3) wherein each of the plurality of wind turbi...  
WO/2017/108044A1
There is presented a method for controlling a plurality of wind turbines (206) comprising measuring wind turbine operation parameters (212) in a model relating a plurality of wind turbine parameters to each others, estimating one wind tu...  
WO/2017/111645A1
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/2017/110131A1
The present invention realizes, in a simpler manner, an output control device for wind power generation, which is capable of more efficiently extracting power and outputting the power through characteristics approximate to those of a sol...  
WO/2017/107920A1
Method and system for operating a wind turbine farm, comprising a plurality of wind turbines (1) having at least one ambient sensor (8) and at least one operating sensor (10). The wind turbines (1) are in communication with a control uni...  
WO/2017/108062A1
The invention relates to a method of controlling a wind turbine comprising a wind direction sensor, a yawing system, pitchable wind turbine blades, and a control system for pitching the blades and for turning the wind turbine rotor relat...  
WO/2017/108063A1
The invention relates to a method of controlling a wind turbine comprising a wind direction sensor, a yawing system, and a control system for turning the wind turbine rotor relative to the wind. The method comprises firstly obtaining at ...  
WO/2017/102570A1
The invention relates to a method for controlling a wind turbine with rotor blades having an adjustable blade angle (α), comprising the steps of: operating the wind turbine in a part-load operation for wind speeds up to a rated wind spe...  
WO/2017/105244A1
A wind turbine includes a rotor; a blade; and a periodic stall system. The periodic stall system selectively moves at least part of the blade in an oscillating motion whereby an angle of incidence continuously varies to invoke periodic s...  
WO/2017/103585A1
A turbine arrangement is described that comprises a turbine including a plurality of turbine blades (14) and a laser device (22) located behind the turbine blades (14) relative to a wind direction and operable to output a laser beam in a...  
WO/2017/102986A1
The invention relates to a method for determining an azimuth angle of a wind turbine (100), having the steps of attaching at least two GNSS receivers (300) to a nacelle (104), comparing the received signals of the GNSS receivers, and der...  
WO/2017/097307A1
A method and associated control arrangement are disclosed for controlling a power output of a wind power plant (WPP) according to a predetermined power ramp rate limit, the WPP comprising a plurality ofwind turbine generators (WTGs). The...  
WO/2017/099334A1
The present invention relates to a yaw brake system comprising: a multi-stage disk member which is disposed on the top of a tower frame of a wind power facility and comprises at least two disks; and a braking member which is disposed on ...  
WO/2017/099335A1
The present invention relates to a method and a system for maintaining a wind power facility on the basis of weather information. According to the present invention, maintenance time of the wind power facility can be efficiently calculat...  
WO/2017/096645A1
An adjustable pitch changing device having a front end support based on inclined hinge blades, comprising blades, a hub, a fan main shaft, a front end support connecting assembly, and a front-end variable pitch adjusting assembly; each b...  
WO/2017/092773A1
The present invention relates to a wind turbine and a method of operating a wind turbine for reducing edgewise vibrations, wherein the wind turbine comprises a wind turbine control system having at least one vibration sensor for measurin...  
WO/2017/092762A1
A wind turbine system comprising a plurality of wind turbine modules mounted to a common support structure is described. The wind turbine system comprises a control system configured to designate at least one wind turbine module as a ref...  
WO/2017/092769A1
A method for controlling a wind turbine system including an electrical generator, a power converter system, a DC-link, and at least a grid-side breaker arrangement controllable between open and closed states, wherein the method comprises...  
WO/2017/088315A1
A control method and apparatus for a wind turbine. The method comprises: obtaining a wind speed at the position of a wind turbine, calculating a turbulence intensity according to the wind speed, and determining a distribution range of a ...  
WO/2017/089129A1
The invention relates to a method for outputting control instructions with an evaluation device (24) to at least one first wind energy installation (100a) or one first wind farm (112a) and/or for outputting an event message about the ope...  
WO/2017/089130A1
The invention relates to a method for graphically presenting sensor data (16) of multiple wind turbines (100). Sensor data (16) is first received from wind turbines (100) and/or wind parks (112) by means of a data interface (10) of a dev...  
WO/2017/088878A1
A method for monitoring and assessing power performance changes of one or more wind turbines of a wind farm, the method comprising the steps of: for each wind turbine to be monitored, defining a group of reference wind turbines, the grou...  
WO/2017/089047A1
The invention relates to a vertical axis wind turbine for converting wind energy of wind coming from a wind direction (W) into mechanical energy, having a central vertical rotation axis (2) about which a rotor (3) with a number of rotor ...  
WO/2017/088879A1
A method for assessing performance impact of a power upgrade of one or more wind turbines (2, 3, 4) of a wind farm (1) is disclosed. At least some of the wind turbines (2, 3, 4) of the wind farm (1) are divided into a group of target win...  
WO/2017/088877A1
A method for monitoring and assessing power performance changes of one or more wind turbines (2, 3, 4, 5, 6, 7, 8) of a wind farm (1) is disclosed. For each wind turbine (2, 5) to be monitored, a group of reference wind turbines (2, 3, 4...  
WO/2017/084755A2
The present invention relates to adjustment and/or drive units as those which can be used in wind power plants for adjusting the azimuth angle of the nacelle of the wind power plant or the pitch angle of rotor blades, wherein such an adj...  

Matches 401 - 450 out of 6,037