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Matches 601 - 650 out of 5,951

Document Document Title
WO/2016/023554A1
An apparatus and method is disclosed for over-rating a wind turbine using turbulence prediction. Weather forecast information is used to determine whether there is a risk of turbulent conditions occurring at the site of the wind turbine....  
WO/2016/016266A1
A pitch drive system for rotating a wind turbine blade with respect to a wind turbine rotor, the blade or the hub having an annular gear or annular gear segment. The pitch drive system comprises a motor, a drive pinion operationally conn...  
WO/2016/017396A1
A state monitoring system of a wind power generator (10) is provided with: a sensor that detects the state of a yaw bearing; a monitoring apparatus (80) that generates diagnostic parameters on the basis of the detection results from this...  
WO/2016/011833A1
Disclosed is an apparatus for controlling the load and deformation of a wind turbine blade. A free rotation type blade (5) of an appropriate length is mounted on a blade tip of a wind turbine blade (1), and a steering engine (6) inside t...  
WO/2016/008500A1
Wind turbine generator (WTG) yaw correction system (2) comprising a wind turbine sensor input configured to input sensory input from a WTG (6), a regulator output configured to output regulatory output to a WTG controller (10) which is c...  
WO/2016/010450A1
The invention relates to propeller-type horizontal-axis wind turbine assemblies. All of the present assembly variants comprise, mounted on a tower, a wind turbine with two coaxial wind propellers on a rotating platform, a gearbox, system...  
WO/2016/011462A1
The invention presents a wind turbine blade with truss-supported structure and twisted face for higher power output and better protection of wind turbine in different weather conditions, this kind of wind turbine blade can be made of met...  
WO/2016/008492A1
The present invention relates to a method for shutting down a wind power facility, said wind power facility comprising a power generator, a power converter comprising generator side and grid side converters being separated by an intermed...  
WO/2016/011454A1
Methods, systems, and devices are disclosed for wind power generation. In one aspect, a wind power generator includes a support base; inductors positioned over the support base in a circular array; an annulus ring track fixed to the base...  
WO/2016/006321A1
The objective of the present invention is to provide a system that is for monitoring a wind power generation device and that can determine abnormalities in a pitch drive unit section by means of a simple device. The system is for monitor...  
WO/2016/004546A1
Provided is a vertical-axis fan blade dynamic drive apparatus, comprising a connecting rod (1), a damping frame (2), a frame (3), a damping block (4), a tension spring (5), a spring fixing base (6), a fan blade bearing (7), a snap ring (...  
WO/2016/004950A1
The invention relates to a method for determining dynamic parameters associated with damping properties of a wind turbine. The method involves active excitation of tower oscillations by adjusting the pitch or rotor torque. After the acti...  
WO/2016/007275A1
Wind energy systems, such as an Airborne Wind Turbine ("AWT"), may be used to facilitate conversion of kinetic energy to electrical energy. An AWT may include an aerial vehicle that flies in a path to convert kinetic wind energy to elect...  
WO/2016/002991A1
The present invention, relates to a cylindrical windmill for a wind turbine generator in which vertical wing plates, supported on circular ends plates respectively attached at both ends of a rotating shaft, are rotated by a driving power...  
WO/2015/199451A1
The present invention relates to a turbine apparatus for wind power generation using compressed air, characterized by features consisting of a combination of: a housing (100), through the outer circumferential surface of which compressed...  
WO/2015/197071A1
The present invention relates to control of the power output of wind turbine generator that operates in derated mode to generate a produced power output level lower than an available power level. A pitch system 48 sets the blade pitch of...  
WO/2015/198814A1
In a configuration, a rotary drive unit (1) is provided with: an annular track (2) having a plurality of first teeth which are annularly arranged on one of a base side structure (100) and a rotational side structure (101); and a swingabl...  
WO/2015/199450A1
The present invention relates to a wind power generation system using compressed air, characterized by comprising: a compressed air generation unit (100) provided with an air tank (120), which accommodates a predetermined quantity of com...  
WO/2015/198793A1
A condition monitoring system for a wind power generation device (10) is provided with sensors that detect conditions of equipment, a monitor device (80) that generates a diagnosis parameter on the basis of detection results of the senso...  
WO/2015/196739A1
Disclosed is a tip regulation control method for increasing minimum clearance for a large-scale wind powered power-generation unit. On the basis of traditional control strategies, a power tip regulation is added, and when the power reach...  
WO/2015/197876A1
The invention relates to a device for changing the angle of inclination (13) in wind turbines, which device is formed by a connection part (4) having a peripheral rolling ring (10) on which three support points (11), which support a bed ...  
WO/2015/192852A1
The present invention relates to a system for dynamic pitch control primarily for wind turbine blades, which system calculates the pitch position of the wind turbine blades independently, which control system performs feedback regulation...  
WO/2015/193652A1
A wind turbine arrangement (70) comprising a first rotatable blade arrangement and a second rotatable blade arrangement. The first blade arrangement forms part of a first wind turbine (76) and the second blade arrangement forms part of a...  
WO/2015/192856A1
A wind turbine is controlled in response to an estimate of vertical and/or horizontal wind shear. A tilt moment is estimated from flapwise and edgewise blade bending moments, azimuth and blade pitch positions and used to estimate vertica...  
WO/2015/192853A1
The present invention relates to a control system for thrust-limiting of wind turbines, which wind turbine comprises at least one tower, which tower carries at least one nacelle which nacelle comprises a rotating shaft, which shaft is ro...  
WO/2015/190945A1
A wind- and/or water-powered drive with a substantially vertical positioning of the drive shaft is provided with a set of rotating vanes, forming a right-hand rotation shaft and a left-hand rotation shaft. In the sleeves of said left-han...  
WO/2015/189032A2
The present invention is concerned with a flexible way of operating a wind farm with a plurality of degrading wind turbine components. According to the invention, maintenance scheduling and power production in the wind farm are handled c...  
WO/2015/189032A3
The present invention is concerned with a flexible way of operating a wind farm with a plurality of degrading wind turbine components. According to the invention, maintenance scheduling and power production in the wind farm are handled c...  
WO/2015/192102A1
A horizontally channeled vertical axis wind turbine for electrical power generation is provided. The wind turbine may collect ambient wind speed from between 0 - +/-50 ft. above ground level. The collected wind is accelerated and concent...  
WO/2015/185299A1
A vertical axis wind turbine (10) comprises two or more cells (Z1, Z2) arranged one above the other along a vertical machine axis (MA), wherein each of the cells (Z1, Z2) comprises a plurality of vertical wings (13) which are arranged wi...  
WO/2015/185720A1
The invention relates to a wind turbine comprising at least one rotor blade (108) and at least one optical pressure sensor (18) which is arranged on the rotor blade (108) and to a method for operating the wind turbine.  
WO/2015/180727A1
The present invention relates to a method for controlling a wind power plant, the wind power plant comprising a plurality of wind turbine generators, each wind turbine generator comprising at least one power converter for providing activ...  
WO/2015/180095A1
A drum-shaped retractable wind wheel (10) and a horizontal-axis wind-driven generator. The drum-shaped retractable wind wheel (10) comprises a main shaft (100), a frame assembly, a blade group, an adjustment apparatus (600), and a blade ...  
WO/2015/176611A1
A vertical axis wind machine having controllable output power, comprising a wind machine base, and an integrated shaftless circular three dimensional framework having a rigid connection with an annular floating body; blades are installed...  
WO/2015/178788A1
The invention relates to vertical-type wind turbine installations. A wind-energy installation contains a load-bearing structure in the form of a three-dimensional framework having mounted thereon two rotors, capable of counter-rotation, ...  
WO/2015/171347A1
Includes a structurally optimized axial wind turbine, comprising a tilted or horizontal axis rotor, a tower, supported by guy wires near the top, blades on suspension cables and, optionally, non-axial power removal. Variations of it on t...  
WO/2015/169605A1
The invention relates to an adjusting device (1) for adjusting an azimuth position of a nacelle (104) of a wind turbine (100) comprising an encircling perforated flange (2) provided with bores, and at least one adjusting means (4) with a...  
WO/2015/168008A1
A solar and wind energy collection system, wherein solar power is gathered to perform the task of restarting the wind turbine. The system includes a wind turbine assembly with the wind turbine assembly including a plurality of wind turbi...  
WO/2015/165893A1
A manufacturing method is described for a wind turbine blade (10), where layers of fibre material (72) are laid up in a mould to form a portion of the blade structure. The fibre layers are infused with a resin which is subsequently cured...  
WO/2015/159041A2
Power generating apparatus (10) comprises a housing (14) and a wind turbine (12) within the housing. The wind turbine comprises a plurality of rotatable turbine blades (66). The housing has a forward region (20) extending forwardly of th...  
WO/2015/158348A1
The present invention relates to a wind turbine structure comprising a wind turbine tower with a nacelle arranged on the top to which a rotor hub with one or more rotata- ble mounted wind turbine blades are mounted which form a rotor pla...  
WO/2015/159041A3
Power generating apparatus (10) comprises a housing (14) and a wind turbine (12) within the housing. The wind turbine comprises a plurality of rotatable turbine blades (66). The housing has a forward region (20) extending forwardly of th...  
WO/2015/155080A1
The invention relates to a method for feeding electrical energy into an electrical supply grid by means of a wind turbine (100), wherein the wind turbine (100) generates electric power (P) from wind having a variable wind speed by means ...  
WO/2015/148784A1
A hanging windmill has a wind turbine and a generator mounted on an airframe supported by a hanger at the center of gravity of the assembly. A stop is provided for preventing the tipping of the airframe on the hanger beyond a point where...  
WO/2015/146705A1
This state monitoring system monitors the state of an apparatus provided to a wind power generator device, and is provided with: a wireless measurement unit containing a sensor provided to the apparatus; and a data collection device that...  
WO/2015/142363A1
A rail mounted wind turbine (100) includes a pivotable housing (104) placed between rails (108) of a rail track (106). The pivotable housing (104) can move into at least one upward position (110) and at least one downward position (112) ...  
WO/2015/140093A1
The invention relates to a rotor blade (20) of a wind turbine having a rotor which in particular has a substantially horizontal axis of rotation, wherein the rotor blade (20) has a rotor blade shell (29) having a suction side (10) and a ...  
WO/2015/135547A1
Methods and systems for reducing an output power of a group of wind turbines are provided. A measure of life usage by at least one component of each of a plurality of the turbines is determined, and is compared to a threshold value for l...  
WO/2015/138252A1
In order to increase efficiency in aerial wind turbine vehicles, it is desirable to reduce the system drag associated with airflow across radiator in those cases where airflow exceeds the necessary flow to sufficiently cool the motor/gen...  
WO/2015/136687A1
Provided is a wind farm control system that allows an entire wind farm to operate efficiently by taking into consideration the influence of slipstream generated in the wind farm. A wind farm control system comprising a plurality of wind ...  

Matches 601 - 650 out of 5,951