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8183710 |
Pre-stressed stiffening system for a wind turbine generator frame
A system for stiffening and pre-stressing a generator frame in a wind turbine is provided. The system includes a plurality of stress-inducing members configured for imparting a predetermined amount...
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8183709 |
Electricity generation from forced air flow
The present invention is used for generating electricity from forced air flow. An electricity generator may have a first panel attached at a peripheral edge to a second panel at a peripheral edge...
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8182234 |
Spaceframe wind turbine energy converter structure
A wind turbine that includes a spaceframe mounted atop a support structure is provided. The spaceframe houses and is integrated with a wind turbine drivetrain. The spaceframe transfers primary...
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8185331 |
Systems, methods and apparatus for indexing and predicting wind power output from virtual wind farms
This disclosure describes systems, methods, and apparatus for predicting electrical power output from wind farms using statistical methods and measured wind speeds near boundaries of control...
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8178993 |
Floating wind turbine with turbine anchor
The wind turbine 20 includes a wind driven turbine wheel 22 rotatable about a central axis 29 that has sail wings 30 that catch the wind and rotate the turbine wheel 22. An anchor 58 has its anchor...
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8178991 |
Wind power generation system
The inventive technology described herein generally relates to the field of renewable energy production and/or more particularly wind power generation. More specifically, methods and apparatus for...
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8178992 |
Axial flux alternator with air gap maintaining arrangement
Axial flux alternator for a wind turbine arrangement includes at least one magnetic disk including magnets and at least one coil disk including electromagnetic assemblies. One or both disks are...
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8178987 |
Wind turbine
A wind turbine includes a rotary shaft having an axis of rotation, a plurality of turbine blades supported for rotary motion by the shaft, and a plurality of magnets supported by and spaced...
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8174143 |
Control device of wind turbine generator and control method thereof
A control device of a wind turbine generator capable of controlling an active power based on an instruction value, includes a measurement means configured to measure a frequency of a utility grid....
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8174142 |
Wind turbine with paired generators
A wind turbine 20 has a turbine wheel 22 with a perimeter rim 24 and/or an intermediate rim 117 that are concentric with the axis of rotation of the turbine wheel. Electrical generators 46 and 48...
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8174138 |
Modular converter for converting the electric power produced by aerogenerators, and wind-power plant that uses said converter
A modular converter 30 for converting the electric power produced by aerogenerators, designed to be used within a wind-power plant, which is equipped with: input terminals 30a designed to be...
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8174144 |
Bearings having radial half cage
A bearing is provided having an inner ring with one or more inner raceways, and an outer ring positioned substantially radially outward from the inner ring. The outer ring has one or more outer...
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8174139 |
Wind turbine providing reduced radio frequency interaction and related methods
A wind turbine electrical generator may include a monopole tower extending upwardly from ground level. The wind turbine electrical generator may also include an electrical power generator carried...
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8174137 |
Method for the damping of tower oscillations in wind power installations
A method for controlling a wind turbine installation for the damping tower oscillations, in particular a buoyant wind turbine installation comprising a buoyant body, a tower arranged over the...
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8174135 |
Marine energy hybrid
A marine energy hybrid includes a support structure locatable at or near the surface of a body of water and at least two of (a) a hubless upper carriage movable along an upper track of the support...
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8169098 |
Wind turbine and operating same
A method for operating a wind turbine erected in a body of water, comprising: measuring vibrations of the wind turbine during operation; identifying at least one periodic component of said measured...
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8169099 |
Deep offshore floating wind turbine and method of deep offshore floating wind turbine assembly, transportation, installation and operation
A deep off-shore floating wind turbine apparatus and methods of manufacturing, operating, maintaining, protecting and conveying the wind turbine apparatus. The wind turbine includes a rotor...
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8169102 |
Vertical-axis windpower fan unit and module and power generating system thereof
The present invention provides a vertical-axis windpower fan unit using a central axle having modulized design for assembling or disassembling quickly and includes supporting arms with capability...
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8169095 |
Wind energy plant with a rotor
A wind energy plant with a rotor, which is connected to a gearbox and/or a generator via a rotor shaft, wherein the rotor shaft is bearing mounted on a carrier unit via two taper roller bearings in...
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8169096 |
Power generator and motor device
The fluid power generator is provided. The fluid power generator includes: a rotating member that rotates by fluid force; a generator motor that is mechanically linked with the rotating member and...
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8169093 |
Method and apparatus for extracting energy from wind and wave motion
A method and apparatus for extracting energy from wind and wave motion using a common floating platform comprising a ship hull (10) which is moored in an offshore location and which supports wind...
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8164205 |
Power generation for a cellular tower
Generating electrical power for a cellular tower using solar troughs. Unlike typical long, straight solar troughs, the solar troughs are formed into circular or other shapes such that they at least...
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8164211 |
Wind turbine generator
A wind-driven generator whose yaw system (10A) installed at the upper part of a support (2) is reduced in the number of its components and weight. The wind-driven generator has the yaw system (10A)...
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8162589 |
Moving fluid energy recovery system
A moving fluid energy recovery system for generating electricity through rotational motion produced by positioning the present invention in a fluid flow produced by nature or a moving vehicle. The...
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8164210 |
Vertical axis wind turbine with angled braces
An improved wind turbine comprises: (i) a turbine rotor with a support platform; (ii) a rotatable vertical shaft extending from or through that platform; (iii) at least one bearing for the shaft;...
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8164212 |
Floating wind turbine with turbine anchor
The wind turbine 20 includes a wind driven turbine wheel 22 rotatable about a central axis 29 that has sail wings 30 that catch the wind and rotate the turbine wheel 22. An anchor 58 has its anchor...
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8164213 |
Orbital track wind turbine
An orbital track wind turbine for generation of electrical energy from wind power is provided. The wind turbine includes a plurality of spaced vertical supports to which at least two parallel...
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8154144 |
Linear generator with a primary part and a secondary part for power generation in a wave-driven power station and wave-driven power station
A linear generator for power generation in a wave-driven power station is provided. The linear generator includes a primary part which has a plurality of annular primary coils, which are arranged...
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8154143 |
Wind energy converter comprising a superposition gear
A wind energy converter configured for transmitting power to an electric grid includes a variable ratio gear system mechanically coupled between a rotor and a generator. A control system is...
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8154140 |
Air regeneration for a moving vehicle
Airflow regeneration device, which generates electricity from air resistance, but only when the vehicle is in the speed reduction mode. In the non-speed reduction mode, the air resistance is...
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8154141 |
Wind power installation and method of modifying the blade pitch in a wind power installation
The wind power installation comprises a rotor with at least one rotor blade, a generator, and a pitch control system for controlling the pitch of the rotor blades, said pitch control system...
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8151569 |
System and method for transmitting thermal energy
A system and method for transmitting thermal energy. The system includes an intake for introducing air at a first temperature; an exhaust for exhausting the air, the exhaust being provided at a...
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8154146 |
Generator, nacelle, and mounting method of a nacelle of a wind energy converter
An apparatus for wind energy conversion includes a nacelle having a main frame, the main frame having a lower part and an upper part joined to the lower part, the upper part having a first strap...
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8148838 |
Systems and methods for tethered wind turbines
According to some embodiments, a plurality of airborne bodies may each extend horizontally along an axis between a first point and a second point. Each body may be, for example, at least partially...
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8148837 |
Offshore wind turbine
An offshore wind turbine is comprised of a tower structure body configured with a tower and foundation, a rotor supported at the tower top, a power generator generating electricity by the rotation...
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8148841 |
Modular wind turbine system
A windmill includes a rotor having an outer blade edge of a stacked blade configuration windmill which generates electricity through outside rings which include wire windings. The outer blade edges...
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8148840 |
Ocean wind water pump for de-energizing a storm
An engine for reducing the temperature at the surface of a body of water during a storm includes at least one floatation member for supporting the engine, an elongate tube mounted on the floatation...
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8148835 |
Method for controlling a wind energy plant
The present invention is related to a method for controlling a wind energy plant with plural control units, which perform control tasks in the wind energy plant, comprising the following steps: a)...
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8143738 |
Hyper-surface wind generator
An electric generator capable of generating electric power using kinetic energy of wind includes a first plurality of rotor plates, a second plurality of rotor plates, and a first plurality of...
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8143739 |
Wind turbine comprising a detuner
A wind turbine includes a wind-driven rotor and a drive chain for transmitting the driving force to a power converter, the drive chain including at least one rotatable driving element, including...
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8143740 |
Apparatus for storing and using wind energy
An apparatus for storing and using wind energy has a hub, blades extending radially outwardly from the hub, a shaft interconnected to the hub, a generator connected to the shaft, a first coupler...
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8143734 |
Wind plant and method of initiating braking actions in different operating modes
A method for the operation of a wind power plant 10) with a rotor (12), which has at least one angle-adjustable rotor blade (14), wherein the wind power plant (10) is operated in a first operating...
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8138620 |
Methods and systems for operating a wind turbine power converter
A method for providing an output power to a load is described. The method includes coupling a multi-thread power converter system to an alternating current (AC) generator and to a load and...
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8138621 |
Wind energy installation and method of controlling the output power from a wind energy installation
A wind energy installation and a method of controlling the output power from a wind energy installation to an electrical grid with a specified nominal grid frequency are provided, in which the...
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8138619 |
Non-grid-connected wind turbine with double-stator double-salient brushless dc-generator
Disclosed is a non-grid-connected wind turbine generator system with high power, low cost and high efficiency. The wind turbine generator system includes a wind rotor, a generator and a tower. The...
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8134251 |
Wind turbine
The wind turbine 20 has sail wings 92 that catch the wind and rotate the turbine wheel 22. The sail wings may be twisted about their longitudinal axis 94 to form pitch and twist in the said wings....
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8134248 |
Aerogenerator having rotation support unit for facilitating rotation of rotational body
Disclosed herein is an aerogenerator having a rotation support unit for facilitating rotation of a rotational body. The aerogenerator includes a support pillar, a rotational body, vanes, a rotating...
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8134252 |
Converting wind energy to electrical energy
A system for converting wind energy to electrical energy for use in a building. Conduits positioned within the building have end portions open to exterior wall surfaces of the building. Wind...
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8134249 |
Wind system for converting energy through a vertical-axis turbine actuated by means of kites and process for producing electric energy through such system
A wind system for converting wind energy including at least one kite that can be driven from ground immersed in at least one wind current and a vertical-axis wind turbine placed at ground level....
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8134250 |
Wind generator system suitable for both small and big wind applications
The present invention is a new and novel wind generator system particularly suitable for both small and big wind applications that harnesses low velocity wind effectively. In a preferred embodiment...
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