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Patent Searching and Data


Matches 401 - 450 out of 5,903

Document Document Title
WO/2017/029294A1
The invention relates to a method for operating a wind turbine (1), a wind turbine (1) designed to carry out the method, and a computer program product. The method according to the invention for operating a wind turbine (1), in which at ...  
WO/2017/025640A1
A wind turbine blade (10) for a horizontal axis wind turbine (2), wherein the wind turbine blade (10) extends in a longitudinal direction parallel to a longitudinal axis and having a tip end (14) and a root end (16), and wherein the wind...  
WO/2017/022746A1
[Problem] To provide a vertical-type wind-power generation system which can handle wide ranges of wind speeds from light wind to strong wind, and which has high efficiency of conversion into rotational energy. [Solution] A vertical-type ...  
WO/2017/018112A1
Provided is an abnormality diagnosing device capable of detecting detachment of a vibration sensor from an object to be measured. The abnormality diagnosing device is provided with a vibration sensor and a control device. The vibration s...  
WO/2017/016518A1
Disclosed are a yaw control method and device for a wind generator set. The method includes: acquiring first wind information at the present moment characterized by current operation data of one wind generator set adjacent to the wind ge...  
WO/2017/019004A1
Vertical axis wind turbine and horizontal wind turbine each with a rotary airfoil assembly that has helical swept airfoils whose free ends each have a spoiler. The vertical axis wind turbine has permanent magnet discs for levitating stat...  
WO/2017/013997A1
A status-monitoring device (80) for a wind-power generation system is provided with: an orientation sensor (83) installed in a nacelle (90), the orientation sensor (83) detecting the orientation of the nacelle (90); and a status-monitori...  
WO/2017/013249A1
The invention relates to an assembly, comprising a first component (4), and a second component that rotates with respect to the first component (4), wherein on the first component (4), at least two antennae (21, 22) arranged at a distanc...  
WO/2017/009943A1
Provided are a downwind-type wind power generation system and a method for controlling said system, whereby deviation between the wind direction and the orientation of the axis of rotation of a rotor can be reduced with a comparatively s...  
WO/2017/006657A1
The purpose of the present invention is to provide a wind-following horizontal-axis wind turbine which can turn the front surface of a rotor upwind, reacting sensitively to changes in the direction of even light winds. A horizontal-axis ...  
WO/2017/005266A1
The present invention relates to a control method and a wind turbine configured to determine a load signal of at least one component of the wind turbine, and to calculate a damage rate based on this load signal. The control method calcul...  
WO/2017/006658A1
A rotation speed control method for a wind turbine is provided which, at low wind speeds, greatly increases power generation efficiency by increasing the rotation speed of the rotor to a fixed speed. When a wind speed detection means 24 ...  
WO/2017/005945A1
The invention relates to a control system for correcting systematic errors in the alignment of the wind turbine by means of mathematical algorithms implemented in the controller of the wind turbine. Different optimisation algorithms have...  
WO/2017/000955A1
A method of controlling a wind turbine is provided. Data is obtained that identifies, based on forecast data, one or more future periods of time during which it would be desirable to over-rate the wind turbine, and measures of the fatigu...  
WO/2017/001321A1
Pitch system (1) comprising at least one pitch motor drive (3) connected an electrical network (5). Each pitch motor drive (3) is connected to a power bank, and the pitch system comprises a test module adapted to be activated in a test p...  
WO/2017/000958A1
A method is provided of controlling a wind turbine that is operating according to a control signal causing the wind turbine to be over-rated above the wind turbine's rated power. The method comprises: obtaining one or more signals, or va...  
WO/2017/003355A1
The present invention relates to a floating VAWT comprising a wind turbine body having a lower body portion and an upper body portion; at least one blade attached to the upper body portion for converting wind energy to rotation of the wi...  
WO/2017/000569A1
An equivalent variable pitch differential control method and apparatus. The method comprises: acquire a first control parameter and a second control parameter respectively by means of a static energy deviation PI control method; acquire ...  
WO/2017/000946A1
A method is provided of protecting a wind turbine with a doubly-fed induction generator (DFIG) against a sub-synchronous resonance (SSR) event acting on the wind turbine. A plurality of power-output values or current-output values is mea...  
WO/2017/000959A1
A method is provided of controlling a wind turbine. The method comprises over-rating the wind turbine above the wind turbine's rated power in response to a control signal and applying an over-rating control algorithm that restricts the a...  
WO/2017/000954A1
A method for controlling a wind turbine is provided. The wind turbine is a turbine of the type that is operated to perform a control function that controls the amount of power produced based upon measures of fatigue life consumption of o...  
WO/2017/000957A1
A method of controlling a wind turbine is provided. The method comprises determining a target fatigue life consumption for each of one or more components of the wind turbine; comparing the target fatigue life consumption with a measure o...  
WO/2017/000949A1
A method of determining torsional deformation in a drivetrain e.g. of a wind turbine. To provide a reliable and simple deformation assessment, the method comprises the step of generating a first signal representing first rotational speed...  
WO/2017/000952A1
A method of generating a control schedule for a wind turbine is provided, the control schedule indicating how the turbine maximum power level varies over time, the method comprising: determining a value indicative of the current remainin...  
WO/2017/000950A1
Methods and Systems for Generating Wind Turbine Control Schedules A method of generating a control schedule for a wind turbine is provided,, the control schedule indicating how the turbine maximum power level varies over time, the method...  
WO/2017/000964A1
A method of generating a control schedule for a wind turbine is provided, the control schedule indicating how the turbine maximum power level varies over time, the method comprising: receiving input indicative of a target minimum wind tu...  
WO/2017/001695A1
Method for controlling a rotor blade adjustment device (14) of a wind turbine or water hydroelectric powerplant (1), wherein the rotor blade adjustment device (14) has a drive (20) which is connected to a rotor blade (8) which is subject...  
WO/2017/000951A1
A method of generating a control schedule for a wind turbine is provided, the control schedule indicating how the turbine maximum power level varies over time, the method comprising: determining a value indicative of the current remainin...  
WO/2017/000956A1
A method of operating a wind power plant comprising a plurality of wind turbines, the method comprising: identifying operation of the wind power plant in a reduced noise regime; determining that at least one of the wind turbines in the w...  
WO/2017/000963A1
A method of generating a control schedule for a wind turbine is provided, the control schedule indicating how the turbine maximum power level varies over time, the method comprising: receiving input indicative of the maximum number of ti...  
WO/2017/000953A1
Methods for calculating a maximum safe over-rated power demand for a wind turbine operating in non-standard conditions include the steps of determining a value indicative of a risk of exceeding an ultimate design load during operation in...  
WO/2016/206698A1
The present invention relates to a method for controlling a wind turbine, the wind turbine comprises a rotor connected to a generator, and a rotational speed controller configured to control a speed of the rotor in response to a generato...  
WO/2016/206696A1
A method for controlling a wind turbine, comprising: receiving a signal indicative of a power reference for the wind turbine; determining a variability parameter based on the signal; determining a structural oscillation parameter associa...  
WO/2016/202338A1
Disclosed are a method and a control arrangement for frequency regulation of an electrical grid operatively coupled with at least one wind turbine generator. The method includes operating the wind turbine generator to consume electrical ...  
WO/2016/200270A1
A system and a method for control of a wind turbine for prevention of collisions between the rotor and flying objects such as birds, bats, and remotely-piloted aircraft is disclosed. The position and velocity of one or more flying object...  
WO/2016/200277A1
A blade 20 for a horizontal-axis wind turbine rotor comprises a radially-outer, energy-extraction portion 32 and a radially-inner, ventilation portion 30. The radially-inner ventilation portion 30 is shaped to ventilate a central area 34...  
WO/2016/200277A9
A blade 20 for a horizontal-axis wind turbine rotor comprises a radially-outer, energy-extraction portion 32 and a radially-inner, ventilation portion 30. The radially-inner ventilation portion 30 is shaped to ventilate a central area 34...  
WO/2016/198076A1
The invention relates to a control system for a wind turbine. The wind turbine comprises a power generator configured to generate power dependent on a power reference and a pitch system configured to adjust the pitch of a blade of the wi...  
WO/2016/198077A1
The invention relates to a control system for a wind turbine. The wind turbine comprises a power generator configured to generate power dependent on a power request. The control system comprises a ramp rate limiter configured to restrict...  
WO/2016/198530A1
The invention relates to a wind turbine (1) for obtaining electric energy from wind, having a generator system (2) and a foundation (3) for introducing the loads of the wind turbine (1) into the ground (4). The generator system (2) is mo...  
WO/2016/192731A1
A method and control arrangement are disclosed for controlling power output of a wind power plant (WPP) including a plurality of wind turbine generators (WTGs). The method includes determining that overboosting is required for the WPP to...  
WO/2016/194912A1
A drive device (1) for a wind turbine is provided with: a motor (22); a pinion (25a); a speed reducer (24) for reducing the speed of the drive force of the motor (22) and transmitting the drive force to the pinion (25a); a first friction...  
WO/2016/188532A1
The present invention relates to control of wind turbines where a fatigue load measure is taken into account. Control of a wind turbine is described where a control trajectory is calculated based on a fatigue load measure, the fatigue lo...  
WO/2016/190836A1
A wind-driven power plant contains at least one main high-voltage generator, which consists of a rotor in the form of two discs with permanent magnets secured equidistantly in a circle on the periphery thereof such as to alternate in an ...  
WO/2016/184665A1
The invention relates to a measuring assembly of a wind turbine (100), which has a tower (102) and an aerodynamic rotor (106) having at least one rotor blade (108), which measuring assembly is designed to sense wind conditions, said meas...  
WO/2016/183649A1
The present invention patent aims at the generation of electrical energy from wind power. It comprises a central shaft (1); four blades, of which one is depicted with closed shutters (2) and on the other side of the shaft, another with o...  
WO/2016/184915A1
The present invention is concerned with an operation of a wind farm with a plurality of wind turbines in view of a dynamic frequency response. According to the invention, dynamic frequency support and power production for all wind turbin...  
WO/2016/183942A1
Provided is a linear rack based rotor blade adjustment mechanism, comprising: a drive motor fixation disc (2), a cylindrical nacelle wall (6), a front rack fixation disc (5), a rear rack fixation disc (12), a front pressure plate (1), a ...  
WO/2016/184470A1
A method of controlling a wind turbine, the method comprising monitoring a speed reference parameter of the wind turbine, and setting an overspeed threshold in dependence on the speed reference parameter, so that the overspeed threshold ...  
WO/2016/180512A1
The invention relates to a gearing, comprising a driving shaft (8) supported in a flange part (3) by means of a bearing (7), wherein the driving shaft is hollow, in particular the driving shaft has a cavity, which is arranged centrally i...  

Matches 401 - 450 out of 5,903