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7619332 |
Permanent magnet type electric rotating machine and wind turbine electric power generation system
A permanent magnet type electric rotating machine comprises a stator having a distributed winding and a permanent magnet rotor, wherein the permanent magnet rotor is provided with a wind passage in...
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7619321 |
Method of operating a wind power station
When planning and setting up wind power installations, the visual detractions to be expected on the part of the wind power installation on the environment play an increasingly important part in...
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7619320 |
Hydro electrical generator
An hydraulic electrical generator comprises a plurality of water wheels, means connecting said wheels hydraulically in series with at least two said water wheels being driven in the same sense, an...
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7615884 |
Hybrid wind turbine system, apparatus and method
A hybrid wind turbine assembly and method capable of providing a total firm power output. There is a wind power section which delivers non-firm power from the wind turbine to a generator section....
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7615883 |
Wind driven venturi turbine
A venturi tube wind turbine comprising a venturi tube having inlet and outlet openings, opposed side members and a constricted throat section, where two of the opposing side members comprise...
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7615880 |
Wind turbine generator system
A wind turbine generator system can regulate the rotational velocity of the wind turbine within an operation range even when the wind velocity suddenly changes and can perform continuous operation...
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7612463 |
Generator
Within a power generating arrangement 1 it is typically necessary to provide a coupling with an electrical power distribution cable 5 . Previously this was sometimes achieved through use of...
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7612462 |
Floating wind turbine system
A floating wind turbine system with a tower structure that includes at least one stability arm extending therefrom and that is anchored to the sea floor with a rotatable position retention device...
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7610723 |
Wind energy plant with drainage
A wind power installation comprising a pylon comprising a pylon, a generator supported by the pylon and rotor blades coupled to the generator. The wind power installation further includes a first...
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7608939 |
Methods and apparatus for assembling and operating monocoque rotary machines
A method and apparatus of assembling a rotary machine includes providing at least one component. The component is at least one of a rotating member and a stationary member. The method and apparatus...
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7605491 |
Apparatus for generating electric power using wind energy
An apparatus for generating electric power from wind energy includes: a blade unit having upright blades connected fixedly to an upright rod that has a lower end disposed pivotally in a base such...
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7605489 |
Airflow power station
An airflow power station preferably comprises a windmill engine rotatable by wind including a main shaft and a rotational speed sensor, a compressed-air tank, a compressor charging the tank, an...
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7605488 |
Method for eliminating the impact of backlashes in the gearbox of a wind turbine
Method for operating a wind turbine comprising a drive train driving one or more electrical generators that supply power to an electric grid, by which, in events that can create a load inversion in...
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7605487 |
Method for operating a frequency converter of a generator and wind energy turbine having a generator operated according to the method
The method for operating a frequency converter ( 26 ) of a generator ( 14 ) in particular of a wind energy turbine ( 10 ), in the event of a substantial grid voltage drop, wherein the frequency...
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7603202 |
Method for optimizing the operation of wind farms
A method for optimizing the operation of wind energy installations includes operating target and reference wind energy installations to optimize the target installation first using a first set of...
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7602077 |
Systems and methods for tethered wind turbines
According to some embodiments, an airborne body extends horizontally along an axis between a first point and a second point. The body may be, for example, at least partially filled with a gas. Two...
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7595566 |
Method for the operation of a wind energy plant with a synchronous generator and a superimposition gearbox
A method for the operation of a wind energy plant, with a synchronous generator and a superimposition gearbox, which is connected between rotor and generator, and the gear ratio of which is...
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7595565 |
Do-it-yourself wind power generation wall
A do-it-yourself wind power generation wall includes a plurality of wind power generation modules, each having a bushing, a wind power generation unit and a connecting rod. The exterior of the...
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7595563 |
Method of operating a wind power installation and a wind power installation
The present invention concerns a method of operating a wind power installation comprising an electric generator drivable by a rotor for outputting electrical power to an electrical consumer, in...
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7592712 |
Electric generator device actuated by a fluid flow
An electric generator device comprising a panel bearing one or more electric generating machines each including a stator and a rotor concentric and substantially co-planar. The rotor is supported...
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7592711 |
Self-propelled wind power generator
A self-propelled wind power regenerator powered by the natural wind, by a propeller or a combination of both, depending on the condition of the wind and the demand of the electricity. During the...
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7586209 |
Power unit
An improved power unit placed in a fluid stream, comprises a common stationary hollow axle, two coaxially mounted orthogonal turbines, having hollow shafts oppositely rotatable around the axle,...
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7586206 |
Wind turbine and method for operating same
A wind turbine includes an asynchronous generator having a rotor and a stator, means for determining an actual torque-speed curve of the generator, means for determining an actual grid frequency,...
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7586205 |
Method and system for regulation of the rotational speed of a rotor on a wind turbine
The invention relates to a method and a system for regulation of the rotational speed ( 52 ) of a rotor on a wind energy unit with a generator and a rotor blade. The first set parameter is a pitch...
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7582982 |
Omni Directional wind generator
A wind generator comprising omni directional wind vanes as the source of mechanical energy. The generator comprises an inner and outer rotor, each rotor supporting a plurality of radially extending...
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7582981 |
Airborne wind turbine electricity generating system
An airborne system for producing electricity from wind energy includes a shaft, at least two turbines rotatably mounted to the shaft and arranged to rotate independent of one another and in...
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7579706 |
Wind energy system with a fully integrated machine assembly
A wind energy system comprising a tower, a machine housing which is rotatably arranged on the tower about its axis, receiving a gear mechanism, a generator, a slip ring arrangement, a brake, and a...
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7579705 |
System and method for generating electrical energy using a floating dock
A system for converting mechanical wave energy into electrical energy comprising a translating generator apparatus located on a floating dock.
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7579701 |
Insulation and power generation system for buildings
A system for insulating a building and generating electricity includes a method for providing insulation for a building that resists heat transfer through conduction, convection and radiation,...
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7573149 |
System and method for controlling a wind power plant
An apparatus and method for extending the power-capture region of a wind turbine during certain operating conditions is disclosed. The actual set point of an operational parameter is selected so as...
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7573148 |
Boundary layer wind turbine
A wind turbine including a stator assembly having a plurality of stator blades for tangentially redirecting wind into a rotor assembly having a plurality of vertical rotor blades disposed...
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7569944 |
Wind power generation system and operating method thereof
A wind power generation system wherein procedure for controlling the blade pitch is changed in accordance with the rate of decrease in the amplitude of the grid voltage, and when over current...
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7569943 |
Variable speed wind turbine drive and control system
A variable speed wind turbine utilizes a hydraulic transmission including a hydraulic pump coupled to a rotor and a hydraulic motor coupled to an induction generator to produce variable frequency...
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7566983 |
Power installation for conversion of energy of water and air streams
The proposed water-wind combined energy conversion installation comprises a hydro-unit including two lower rotors below the water level furnished with blades providing their rotation in opposite...
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7566981 |
Actuating drive and emergency energy supply device
An actuating drive for a rotor blade in a wind power installation is provided with an electric motor and a frequency converter which has a rectifier that is to be fed from a power supply system, a...
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7560824 |
Power train for a wind power plant
A power train for a wind power plant includes a rotor ( 1 ) for driving a gear ( 4 ), wherein the rotor blades ( 2 ) of the rotor are pivotally arranged around the longitudinal axis thereof on the...
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7560823 |
Wind energy system and method of operation thereof
A method for operating a wind energy system is provided comprising the steps of setting the value of an operational parameter of the wind energy system, measuring a yield parameter of the wind...
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7557458 |
Soundproof type engine generator
A soundproof type engine generator has a first external air inlet and a second external air inlet formed on a soundproof case K. A first cooling passage guides external air drawn in through the...
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7555897 |
Independent system of energy and heat supply
The invention concerns devices of power supply and is intended for independent energy, heat and hot water supply of living and industrial premises. The system of independent energy and heat supply...
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7550864 |
Wind turbine
A rotor for a wind turbine comprising a plurality of radial blades and a ring-shaped aerofoil diffuser connecting the outer tips of the blades. Also disclosed is a wind turbine comprising said...
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7550863 |
Wind turbine
The invention concerns a wind turbine comprising a vertical tower with a yaw bearing, a nacelle on top of the yaw bearing, a hub with blades rotatable around a more or less horizontal rotation...
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7550862 |
Wind turbine and method for the automatic correction of wind vane settings
The invention relates to a wind turbine comprising a machine housing ( 12 ) equipped with a rotor ( 14 ), which is mounted to pivot on a sub-structure ( 10 ). Wind parameters and an...
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7547986 |
Wind power generating device
A wind power generating device includes a housing, a transmission unit, at least one winding disc, at least one magnetic disc, and a rotating unit. When there are a plurality of winding discs and a...
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7547985 |
Wind turbine apparatus
Conventionally, a main shaft of the wind turbine apparatus has awkward such as heaviness or difficulties of assembling, since the length of the main shaft must be long to support a generator rotor....
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7538447 |
Energy recovery system including a flow guide apparatus
An energy recovery system includes a ventilation system of a defined area, at least one windmill located exterior to the defined area and at least one flow guide apparatus positioned between the at...
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7538446 |
Gear integrated generator for wind turbine
A gear integrated generator for a wind turbine having a tower, a nacelle, and a hub is described. The gear integrated generator includes: a stator supporting frame having a stator supporting...
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7531911 |
Reactive power control for operating a wind farm
A system and method of reactive power regulation in a wind farm having a plurality of wind turbines that provides optimum control of the reactive power compensation in the wind farm and is able to...
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7531910 |
Wing energy unit
The invention relates to a wind energy unit, connected to an electrical 3-phase AC network, comprising a generator with a rotor, provided with a regulator device, whereby the regulator device...
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7528498 |
Wind power system
The provided wind power system includes a frame, at least a power module installed in the frame and a motor, wherein the number of the at least a power module is increasable, and the respective...
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7528497 |
Wind-turbine with load-carrying skin
A horizontal axis wind-turbine includes a stationary support structure, a two-bladed rotor supported by the stationary support structure, and a hollow shaft rotationally attached to the stationary...
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