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Matches 751 - 800 out of 5,949

Document Document Title
WO/2014/198725A1
The invention relates to a method for feeding electric power into an electric supply network (8) by means of a wind park (2) comprising a plurality of wind turbines (4). The method comprises the steps of - feeding the electric power at a...  
WO/2014/199760A1
A wind-power generation system (1) is equipped with: a plurality of series-connection wind-turbine groups (10-1 to 10-k) configured so as to electrically connect in series a plurality of power-generating wind turbines (11-1 to 11-n) for ...  
WO/2014/197671A1
A system and method is disclosed for calculating potential power generation for a wind farm, the wind farm including a plurality of wind turbines. The system and method include measuring the power generated by the wind farm; acquiring tu...  
WO/2014/195931A1
A device for automatic control of an angular position of turbine blades of a propeller device, in which the turbine blades are rotatable about a rotational axis and are pivotally displaceable about their respective pivot axes. The device...  
WO/2014/194914A1
The present invention relates a power plant controller (PPC), the power plant controller to control produced power from a wind power plant (WPP), the wind power plant comprises at least a plurality of wind turbine generators,the wind pow...  
WO/2014/195428A1
A method of dynamically controlling a wind turbine having a rotor supporting a plurality of blades and a main bearing supporting the rotor, the method comprising detecting a load profile around the circumference of the main bearing, gene...  
WO/2014/191067A1
The invention relates to a method for operating a wind turbine park (51) with multiple wind turbines (1 - 48), wherein maintenance work is to be carried out on at least a number of wind turbines (1 - 48). The method according to the inve...  
WO/2014/193085A1
The present invention relates to an apparatus for controlling a blade angle of a wind power generator according to wind velocity, and a wind power generator having the same, the apparatus comprising: a shaft; a housing provided to enable...  
WO/2014/192028A3
The present disclosure discloses a reconfigurable mechanism for wind turbine blades. The wind turbine is provided with only a single actuator for reconfigurable mechanism which is adapted for expansion and contraction of blades. The reco...  
WO/2014/191001A1
The present invention relates to methods and apparatus for removing or substantially reducing negative damping effects on a floating wind turbine. An operating point signal is received and a gain scheduling parameter is determined based ...  
WO/2014/189978A3
A method for controlling an inclination of a floating wind turbine platform comprising a generator, a set of turbine blades connected to a shaft inside a turbine nacelle, the turbine nacelle being mounted onto a tower, and at least three...  
WO/2014/187510A1
A wind turbine comprising a number of wind turbine blades extending substantially radially from a hub on a main shaft having a substantially horizontal axis is described. The wind turbine blades together with the hub form a rotor, which ...  
WO/2014/187463A1
The present invention relates to a method and to a wind turbine for determining the tip angle of a blade of a wind turbine rotor during rotation of the rotor. The method comprising: (a) transmitting a light signal from a first blade of t...  
WO/2014/186867A1
An independently controlled three-unit drivetrain assembly for a wind turbine and method for controlling same is disclosed. The disclosed drivetrain assembly seeks to overcome disadvantages of the prior art such as not being operable in ...  
WO/2014/183941A1
The invention relates to a linear actuator having a double pump (23, 24) and a differential cylinder (9), the annular chamber (48) or piston rod chamber of which is delimited by an annular surface (A1) or piston rod surface of a piston a...  
WO/2014/184247A1
The present application comprises a wind turbine (10) having an axis of rotation (12) extending perpendicularly to the direction of the wind, said wind turbine having a plurality of driving chambers (14). The wind turbine (10) is charact...  
WO/2014/183138A1
Disclosed is a method for operating a drive train having a drive shaft (2), a prime mover (4) connected to an electrical grid (12), and a differential gearing (3) having a total of three input and output elements, an output element being...  
WO/2014/181341A1
The present invention relates to a yaw drive for horizontal axis wind turbine using friction drive. The yaw drive of the present invention is used for maintaining plane of rotation of the blade tips towards favourable wind direction/desi...  
WO/2014/180717A1
The invention relates to a method for feeding electric power from at least one wind energy installation (100) or a wind farm (112) into an electric power supply system (120) at a mains voltage (U) and a mains frequency (F), wherein the m...  
WO/2014/181367A1
The present invention concerns a method for converting mechanical energy from a generator (2) operated by a turbine (T) into electric energy to be input into an electric network (R), said method comprising the following steps: (A) supply...  
WO/2014/180781A1
The invention relates to a method for feeding electrical power (PS) into an electric supply network (120) using at least one first and one second wind farm (112). A first electrical farm power (PP1) is provided by the first wind farm (11...  
WO/2014/181349A3
The present invention relates to a wind turbine with braking system for generating power at rated wind speed and stopping the turbine at predetermined conditions by means of selected number of generators (1). The wind turbine with brakin...  
WO/2014/177234A1
The invention relates to a method for monitoring a wind turbine comprising a longitudinally extended component (10), wherein four sensors (1-4) are arranged around the circumference of the component in a sensor arrangement made of two se...  
WO/2014/176862A1
Disclosed is a method capable of conducting adjustment at a low wind speed so that a fan operates under the condition of an optimal blade tip speed ratio, and simultaneously conducting periodic automatic correction on the value of the op...  
WO/2014/177151A1
A method of starting a wind turbine in a cold climate environment includes providing a wind turbine in the cold climate environment in a stand-still or near stand-still condition; allowing the rotation speed of the rotor to increase duri...  
WO/2014/178210A1
The present invention addresses the problem of providing a wind power generator that is capable of maximizing use of wind power with a vertical-axis windmill and that can perform control suitable for various purposes such as prevention o...  
WO/2014/175755A1
The brake has a rotor with substantially vertical blades (1 ) mounted to the ends of the horizontal arms (2) connected to the rotor shaft (3) at an equal central angle spacing. The arms (2) are rigidly connected to the rotor shaft (3) wi...  
WO/2014/173043A1
A carbon crystal anti-icing method. The method comprises: printing nanosized conductive carbon crystal on a carrier, preparing a thin carbon crystal electric hot plate with two electrodes by means of curing and hot-pressing technologies,...  
WO/2014/173417A1
A method for controlling a wind turbine during shutdown is disclosed, said wind turbine comprising a rotor carrying at least three wind turbine blades adapted to be pitched individually. A first shutdown strategy is initially selected, a...  
WO/2014/173685A1
A wind park is provided having a central wind park control unit (200), a plurality of wind turbines (100) and a data bus (210, 220) for coupling said central wind park control unit (200) to the plurality of wind turbines (100). Each of t...  
WO/2014/172800A1
Mechanical transmission system for a multidirectional fluid flow turbine, electricity generation that overcomes the unidirectional constraint in the flow direction, that comprises a mechanic component, an eletromechanical component; an e...  
WO/2014/173600A1
The invention relates to a method for supplying electric power from a wind park (112) having a plurality of wind turbines (100) to an electric power supply grid (120), wherein each of the wind turbines (100) provides an electric power tu...  
WO/2014/176525A1
Predictively adjusting the pitch of blades and/or sections of a blade based on fluid velocity measurements. In one embodiment, the measurements are obtained of an upstream portion of a fluid flow using a laser Doppler velocimeter. The pi...  
WO/2014/172096A1
A method for operating a wind farm having at least two wind turbines includes measuring wind velocity at a selectable distance in front of at least one wind turbine of the wind farm in an upwind direction of the wind turbine, generating ...  
WO/2014/168745A1
A system and method for detecting ice on a rotor blade of a wind turbine are disclosed. In one embodiment, the method may include releasing a pitch brake of a pitch adjustment mechanism associated with the rotor blade, controlling the pi...  
WO/2014/168287A1
The present invention relates to a hydraulic power unit which generates electricity from water flowing in a water pipe that supplies water from a reservoir, a purification plant or a water tank of a building, and more specifically, to a ...  
WO/2014/166824A1
Disclosed is a wind turbine comprising a rotor (106) with at least two rotor blades (108), an electric generator, which is directly or indirectly coupled to the rotor (106) of the wind turbine and generates electric power when the rotor ...  
WO/2014/165328A1
Methods are provided for controlling wind turbine loading. In one embodiment, a method includes the steps of determining a current thrust value for the wind turbine, calculating a thrust differential based on the current thrust value and...  
WO/2014/164891A1
A wind turbine includes a hub sub-system comprising a main hub and a shaft adapted to rotate about an axis, and a plurality of turbine blades having a pitch angle. The blades are adapted to drive the rotation of the hub sub-system to a f...  
WO/2014/161215A1
A wind turbine with full blade tips comprises a yaw platform (3) fixed on a tower (1), a horizontal blade impeller set mounted on the yaw platform (3), a power generator (4), and a hydraulic pipeline. The horizontal blade impeller set co...  
WO/2014/162312A1
A vertical axis wind turbine system is presented, the turbine system comprising a rotor connected to a load through a power transmitting shaft and a control unit configured to determined load level to thereby maintain a tip-speed-ratio. ...  
WO/2014/165366A1
A multi-farm wind power dispatch management system is provided which includes wind turbine dispatch controllers for controlling wind power dispatch of respective wind farm components and wind farm dispatch management systems for receivin...  
WO/2014/161626A1
The invention relates to a method for the efficiency monitoring of a wind farm. The method according to the invention is characterised by the following steps: measuring at least one wind speed and one wind direction over a specifiable ti...  
WO/2014/154298A1
The invention relates to a method for the computer-aided ascertainment of the impedance of an electrical energy network (EN), wherein the electrical voltage (VPCC), the active power (PPCc) and the reactive power (QPCC) are measured at a ...  
WO/2014/155482A1
A power generation prediction device that predicts the amount of power to be generated by wind power is characterized by comprising: a power curve storing unit that stores power generation characteristics information for converting wind ...  
WO/2014/153673A1
A method and system are provided of monitoring and controlling a plurality of wind turbines via a network. Different levels of access and control are permitted with respect to the plurality of wind turbines for a variety of users amongst...  
WO/2014/152051A1
A vertical axis wind turbine having a plurality of air foils arranged along the periphery of a rotor and moveable with the wind. The air foils configured to capture wind energy from the front of the wind turbine and upon exit. Wind diver...  
WO/2014/147109A1
A wind turbine comprising a tower, a fixed reference structure on top of the tower,and a rotor having a rotor hub with one or more turbine blades. The wind turbine further comprising one or more pitch actuators for rotating one or more o...  
WO/2014/149364A1
A control strategy for uprating the rated power of a wind turbine at times during the design life includes measuring an operating parameter for a component of the wind turbine as the wind turbine operates at a design rated speed and a de...  
WO/2014/146764A1
The invention relates to a method for stopping the rotor (6) of a wind turbine (1), the rotor having at least one rotor blade (10), which can be displaced about its longitudinal axis by means of a displacement device (12) from an operati...  

Matches 751 - 800 out of 5,949