|
Match
|
Document |
Document Title |
|
|
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...
|
|
|
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...
|
|
|
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....
|
|
|
7545052 |
Method for operation of a converter system
The present invention relates to a method for operating a converter system of a wind turbine, wherein the converter system includes converter modules capable of converting electric power produced...
|
|
|
7541686 |
Wind power generator with biased transmission arrangement
In a wind power generation installation comprising a rotor with rotor blades mounted on a tower and connected via a transmission to a generator for generating electric power, an electric machine...
|
|
|
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...
|
|
|
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...
|
|
|
7528496 |
Method for operating or controlling a wind turbine and method for providing primary control power by means of wind turbines
A method for operating at least one wind turbine with a rotor and an electric generator coupled to the rotor for delivering electrical power into an energy distribution system with the aid of a...
|
|
|
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...
|
|
|
7525208 |
Method for operating a wind turbine during a disturbance in the grid
There is provided a method of operating a wind power installation. Under first operating conditions in a normal operating mode the wind power installation delivers a first power to a connected...
|
|
|
7525209 |
Method for the operation of a wind turbine generator system
A method for the operation of a wind turbine generator system adapted to be switched into the mains, including a variable-speed rotor, a torque governor, and a governor for the angle of blade...
|
|
|
7525211 |
Control system for twin turbine wind power generating system
A wind turbine control system for twin turbines mounted in common on an accelerator comprising a DC boost converter having pulse width capability, power, speed, current and voltage sensors...
|
|
|
7525210 |
System and method for creating a networked infrastructure distribution platform of fixed and mobile solar and wind gathering devices
A roadway system for energy generation and distribution is presented. In accordance with one embodiment of the invention, the roadway system comprises a plurality of ground-based wind energy...
|
|
|
7522976 |
Method for adapting a wind energy installation to given wind conditions
A method for operating a wind energy installation, in particular for adapting a wind energy installation ( 10 ) to given wind conditions, the wind energy installation ( 10 ) having a rotor ( 16 ),...
|
|
|
7523001 |
Method and apparatus for operating wind turbine generators
A method of operating a wind farm that includes a plurality of wind turbine generators (WTGs) includes generating wind turbine generator (WTG) availability data for each WTG. The method also...
|
|
|
7518257 |
Hybrid power-generating device
The present invention relates to a hybrid power-generating device and a power generating method thereof. The hybrid power-generating device is primarily comprised of: a primary electrical generator...
|
|
|
7518258 |
System for operating a generator as a motor in a turbine wind power generating system
SYSTEM FOR OPERATING A GENERATOR AS A MOTOR IN A TURBINE WIND POWER GENERATING SYSTEM includes a controller and Four Quadrant or Regenerative Drive Circuitry which alternatively operates one or...
|
|
|
7518256 |
Control and protection of a doubly-fed induction generator system
A control system for a double-fed induction generator (DFIG) comprising a rotor ( 1 ) having rotor windings and a stator ( 2 ) having stator windings connectable to a grid for electric power...
|
|
|
7518255 |
Roof mounted wind turbine
A system for generating electrical power for an individual property ( 10 ) comprises a wind powered electricity generator ( 16 ) mounted on that property and arranged so that the electrical power...
|
|
|
7514809 |
Excitation voltage supply for synchronous generator used in a wind turbine, and method of starting a wind turbine having such excitation voltage supply
A wind turbine is disclosed. The wind turbine includes a synchronous generator having a stator and a rotor, and an AC-DC-AC link for coupling the synchronous generator to a grid, the AC-DC-AC link...
|
|
|
7511385 |
Power converters
The present invention provides_a power converter that can be used to interface a generator ( 4 ) that provides variable voltage at variable frequency to a supply network operating at nominally...
|
|
|
7509190 |
Method for administering an intermittent uncontrollable electric power generating facility
A method for administering an intermittent source of electrical power generation, such as a wind powered electric power generating facility, to produce electric power at a level up to a pre-set...
|
|
|
7508089 |
Over speed control circuit for a wind turbine generator which maximizes the power exported from the generator over time
An over speed control circuit for a wind turbine generator is disclosed which optimizes the time that the wind turbine generator is operational and thus maximizes the power output over time. The...
|
|
|
7508088 |
System and method for installing a wind turbine at an offshore location
A wind turbine system includes a wind turbine generator having a rotor and a nacelle mounted atop wind tower. The wind tower is mounted on a central caisson. The wind turbine system further...
|
|
|
7504741 |
Wind energy plant with a steerable kite
The present invention provides a device for converting wind flow energy into mechanical energy, comprising a wind-engaging member having an aerodynamic profile which generates an uplift force in...
|
|
|
7504742 |
Method for the erection of a wind energy plant, and wind energy plant
A wind power installation, according to one aspect, comprising a pylon which is based on a foundation and a power module, wherein the power module includes at least a transformer, which the...
|
|
|
7504738 |
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,...
|
|
|
7502215 |
Systems and methods for directing a current
A method for directing a current generated by a lightning striking a wind turbine is described. The method includes directing the current from a main shaft of the wind turbine to a brake disc...
|
|
|
7498684 |
System and method for creating a portable networked vehicle infrastructure distribution platform of small wind gathering devices
Creating a large fleet of vehicles to gather wind energy and generate wind generated energy, such as electricity, is impeded by the cost to an individual vehicle owner. Accordingly, a portable...
|
|
|
7498683 |
Device for converting flow energy into electrical energy
A device for converting flow energy of a fluid into electrical energy, said device comprising:
h) a rotor ( 1 ) which can be driven by the fluid and comprises rotor shaft ( 2 ), i) an...
|
|
|
7492053 |
System and method for creating a networked vehicle infrastructure distribution platform of small wind gathering devices
Creating a large fleet of vehicles, which gather wind energy and generate wind generated energy, such as electricity, is impeded by the cost to an individual vehicle owner. Accordingly, a system...
|
|
|
7489047 |
Electric power generating apparatus for decentralized power supply
An electric power generating apparatus ( 2 ) for decentralized power supply, which comprises three types of windings and three types of reactors required for deriving the maximum output that meets...
|
|
|
7485979 |
Method and system for controlling power generator having hydraulic motor drive
A power generator system that is suitable for use on medium-sized and large watercraft. The system includes a generator that is driven by a hydraulic motor that is coupled to the main engine...
|
|
|
7484363 |
Wind energy harnessing apparatuses, systems, methods, and improvements
Improvements to wind farms and wind generators for harnessing wind energy or generating electricity from wind. Secondary wind turbines are provided at particular locations within a wind farm to...
|
|
|
7485980 |
Power converter for doubly-fed power generator system
An excitation power converter of a doubly-fed generator is protected from excess current to be caused by ground fault or system disturbance and operation continuity of the power converter is...
|
|
|
7482720 |
Rotor and electrical generator
A rotor for an electrical generator and a generator incorporating such a rotor, the rotor consisting of a central hub, a radially spaced concentric rim portion with rotor magnetic elements mounted...
|
|
|
7479709 |
Wind-tunnel type power generator
A wind-tunnel type power generator includes an outer cover, a turbine rotor, an air escape valve, and at least a rear fin. The outer cover is a convergent-divergent shape and the turbine rotor is...
|
|
|
7476985 |
Method of operating a wind turbine
In a wind turbine and in a method of operating a wind turbine, the rotor speed and/or the generator power are reduced in response to variables exceeding predetermined values, the variables being...
|
|
|
7476987 |
Stand-alone wind turbine system, apparatus, and method suitable for operating the same
This invention provides a wind turbine-battery-dump load stand-alone renewable energy system and an optimal control of the same. The system may include both power conversion and control units. In...
|
|
|
7471007 |
Method for operating a wind power plant and method for operating it
The invention relates to Method of operating a wind turbine, wherein rotor windings of an induction generator, which comprises stator coils coupled to a voltage grid, fed with rotor currents by a...
|
|
|
7471011 |
Wind turbine over-voltage exposure
The present invention relates to s wind turbine having a power generator for generating power for a first power line of a power grid; said wind turbine comprising a first transformer having a first...
|
|
|
7471010 |
Wind turbine tower for storing hydrogen and energy
A wind turbine tower assembly for storing compressed gas such as hydrogen. The tower assembly includes a wind turbine having a rotor, a generator driven by the rotor, and a nacelle housing the...
|
|
|
7462947 |
Method for operating a wind turbine
A system and method for operating a wind turbine with a generator, drivable by a rotor, for supplying electrical power to an electric load, in particular an electric grid, are disclosed. Briefly...
|
|
|
7462946 |
Method for operating a wind energy plant
The present invention relates to a method for operating a wind turbine with a generator, drivable by a rotor, for supplying electrical power to an electrical load, in particular an electric grid....
|
|
|
7462950 |
Magnetic levitation weight reduction structure for a vertical wind turbine generator
A magnetic levitation weight reduction structure for a vertical wind turbine generator includes a frame, a fixed permanent magnet, an axle, a revolving permanent magnet, a blade hub, and a...
|
|
|
7459799 |
Domestic combined heat and power unit
A domestic combined heat and power (dchp) unit includes a Stirling engine 1 to provide heat for a domestic dwelling along with a source of electrical power. Under normal operation, the dchp is...
|
|
|
7456511 |
Wind powered global positioning tracking device
A wind powered global positioning tracking device, which is disposed on a vehicle, and includes a wind driven generator, a power regulating circuit, a central processing unit, a charging circuit, a...
|
|
|
7456510 |
Wind power generator
When a wind velocity sensor detects a wind velocity higher than a predetermined level, a timer device starts a waiting timer function during an operation timer period shorter than the waiting timer...
|
|
|
7453168 |
Wind-powered generator system for generating electric power over a wide range of wind conditions
A wind-powered turbine generation system configured to generate electric power over a wide range of wind conditions and particularly in high wind speed and wind gust conditions. A plurality of...
|
|
|
7453242 |
Power generation apparatus using AC energization synchronous generator and method of controlling the same
A power generation apparatus and method includes an AC energization synchronous generator, a switching device for connecting to a network disposed on a stator side of the AC energization...
|