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Patent Searching and Data


Matches 501 - 550 out of 6,037

Document Document Title
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/2016/198076A1
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...  
WO/2016/177578A1
The invention relates to a method for operating a wind turbine (WEA), which has a generator, for supplying electric power to an electric supply grid. After being operated in a first operating state with a first power output and a first r...  
WO/2016/173304A1
A novel wind turbine linkage variable pitch system drives blades (6) to pitch actively or passively. The power-driven variable pitch is achieved by means of a few sets of the blades (6) having rotating shafts evenly installed on the peri...  
WO/2016/174233A1
A method for testing the condition of a backup power supply of an axis in a wind turbine, wherein the backup power supply has an associated voltage, the method comprising: electrically isolating the axis of the wind turbine from a grid p...  
WO/2016/169964A1
The present invention relates to a method of correcting rotor imbalance and a wind turbine thereof. The correction method comprises measuring the vibrations within at least one time window and determining an imbalance factor and an imbal...  
WO/2016/169963A1
The present invention relates to a method of correcting rotor imbalance and a wind turbine thereof. The correction method comprises measuring the vibrations within at least one time window and determining an imbalance factor and an imbal...  
WO/2016/167754A1
A wind turbine blade is provided. The wind turbine blade includes an active element disposed in a section of the wind turbine blade and configured to deform in a first direction from an initial position to generate torque upon activation...  
WO/2016/162421A1
The invention relates to an adjusting device for adjusting an angle of attack of a rotor bland of a wind turbine. According to the invention, the adjusting device comprises at least two direct-current motors (320, 330), said at least two...  
WO/2016/134385A3
A method and system of distributed Compressed Air Energy Storage with thermal energy interchange network of cooling and heating circuits and dynamically scheduled power production, energy storage and power generation from storage, of int...  
WO/2016/162762A1
An advertising board-type sail-type rail-type pneumatic device comprises four portions: the first portion is a driving body portion including blades (1) and fixed seats (5); the second portion is a control portion including angle locks (...  
WO/2016/157831A1
A wind power generation system of the present embodiment has a windmill, a power generator, aerodynamic regulators, a measuring instrument, a windmill control instrument, and a conversion instrument. The windmill, which has vanes, is rot...  
WO/2016/159927A1
The invention relates to a method of controlling a wind turbine (10) comprising a nacelle (12), a rotor (18), a rotating hub (13), a first rotor blade (201) and at least a second rotor blade (202), both rotor blades (201, 202) being moun...  
WO/2016/157503A1
The objective is to estimate the fatigue deterioration state of a windmill with good precision. Therefore, this windmill, which operates to generate power when wind is received, is characterized by being equipped with a strain measuremen...  
WO/2016/149719A1
The invention relates to a method for determining a change in blade position of a wind turbine (1) having a rotor with at least two rotor blades (3a, 3b, 3c). In order to be able to particularly simply determine the change in blade posit...  
WO/2016/149718A1
The invention relates to a method for determining a yaw angle error (αg) in a wind powerplant (1) having a rotor which is mounted in a gondola (14) so as to be rotatable about a rotor axis (2) and which has one or more rotor blades (3a,...  
WO/2016/150447A1
The present invention relates to control of a wind turbine system comprising a plurality of wind turbine modules mounted to a common support structure, i.e. to control of a multi-rotor wind turbine system. The invention discloses a contr...  
WO/2016/126064A3
Disclosed is an automatically opening/closing wind power generation device wherein upper and lower rotating plates are identically fabricated and installed about a center fixed shaft; an excessive rotation prevention shaft and an automat...  

Matches 501 - 550 out of 6,037