REGISTER now for FREE 
|
FREE patent keyword monitoring and additional FREE benefits. REGISTER now for FREE
|
|
|
Prime-mover Dynamo Plants > Electric Control > Fluid-current Motors > Wind WindWind patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.11/29/07 - 20070273155 - 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 converter (26) comprises a generator-side power converter (32), to be connected to the generator (14), a grid-side power ... 11/29/07 - 20070273154 - Method of conducting service on a wind turbine using equipment mounted on the hub The invention relates to a method for conducting service on a wind turbine after the wind turbine is erected and after the hub (1) of the wind turbine is mounted on the main shaft (3) of the wind turbine. The method comprises mounting of servicing equipment a crane (8) on ... 11/22/07 - 20070267872 - Redundant blade pitch control system for a wind turbine and method for controlling a wind turbine A redundant and fail-safe blade system of a wind turbine includes at least one blade pitch drive (20, 21, 22) and at least two power control modules (60, 61, 62, 6′) for controlling the blade pitch drive (20, 21, 22). The power control modules (60, 61, 62, 6′) are connected ... 11/15/07 - 20070262583 - 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 of the wind turbine. The wind turbine generator system includes a generator connected to the shaft of the wind turbine ... 11/01/07 - 20070252390 - Renewable energy resources Wind power is used to generate electricity as A.C. that can be used to supplement or replace national grid power. A plug-in unit takes electrical power from one or more wind generators and delivers the required A.C. to the mains. ... 10/25/07 - 20070246943 - 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 one embodiment, the power conversion unit features a wind-turbine-driven three-phase induction generator, a diode rectifier, a battery charger, a boost dc/dc ... 10/04/07 - 20070228738 - 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 the direction of a load cable when the airflow direction is perpendicular to the load cable, a steering mechanism configured to produce ... 09/20/07 - 20070216164 - Variable speed wind turbine having an exciter machine and a power converter not connected to the grid A variable speed wind turbine having a doubly fed induction generator (DFIG), includes an exciter machine mechanically coupled to the DFIG and a power converter placed between a rotor of the DFIG and the exciter machine. Thus, the power converter is not directly connected to the grid avoiding the introduction ... 09/20/07 - 20070216163 - 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 over speed control circuit forms a closed feedback loop which periodically measures the output voltage of the wind ... 09/06/07 - 20070205602 - Methods and apparatus for controlling rotational speed of a rotor A method for controlling a rotational speed of a rotor having at least one rotor blade, a rotor shaft, and an electrical generator coupled thereto. The method includes controlling a torque of the rotor shaft by controlling a torque of the electrical generator, alternating between changing an angle of pitch ... 08/30/07 - 20070200350 - Wind wheel and electricity generator using same A wind-driven power source comprises a propeller-driven rotor structure and a stator structure carrying clusters of copper-wire wound ferromagnetic cores as voltage generators. The cores are arranged in pairs spaced apart by hard rubber rollers which engage the inside surface of a load ring forming part of the rotor structure. ... 08/30/07 - 20070200349 - Wind wheel and electricity generator using same A wind-driven power source comprises a propeller-driven rotor structure and a stator structure carrying clusters of copper-wire wound ferromagnetic cores as voltage generators. The cores are arranged in pairs spaced apart by hard rubber rollers which engage the inside surface of a load ring forming part of the rotor structure. ... 08/30/07 - 20070200348 - Wind turbine generator system To shorten a startup interval to reach a synchronizing condition, a phase difference and an amplitude difference between the grid voltage and the stator voltage of one phase of a winding are obtained. The difference in amplitude is decreased prior to or in parallel to synchronizing the stator voltage with ... 08/16/07 - 20070187955 - Generator with utility fault ride-through capability A wind powered turbine with low voltage ride-through capability. An inverter is connected to the output of a turbine generator. The generator output is conditioned by the inverter resulting in an output voltage and current at a frequency and phase angle appropriate for transmission to a three-phase utility grid. A ... 08/16/07 - 20070187954 - Automatic braking and locking of a wind turbine A wind turbine rotor is decelerated and locked in a target rotational position in relation to rotation of the rotor about the rotor axis. The rotational position of the rotor in relation to the rotational axis is detected relative to at least one target rotational position. Once the rotor reaches ... 07/19/07 - 20070164567 - Wind turbine dump load system and method A wind turbine braking system including: a wind turbine including turbine blades and a control system; a generator coupled to the turbine blades; a generator converter coupled to the generator and connectable to a utility power grid; at least one dump resistor coupled to the generator and generator converter, and ... 07/05/07 - 20070152449 - Method for the erection of a wind energy plant, and wind energy plant A wind power installation comprising a pylon which is based on a foundation and a power module, wherein the power module has at least one transformer, by means of which the electrical energy provided by the generator of the wind power installation is transformed to a medium voltage or a ... 06/21/07 - 20070138798 - Methods and apparatus for advanced wind turbine design A wind turbine system includes a variable blade assembly including adjustable sails and wing shaped masts expanding the wind velocity capture envelope. The blade assembly turns a hydraulic pump, which pressurizes fluid and stores the pressurized fluid in a chamber in the support tower. Pressurized fluid is directed via an ... 06/21/07 - 20070138797 - 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 generate additional electricity, in some embodiments, using a common electrical power collection system. Enclosures or venturis may surround wind turbines to ... 06/21/07 - 20070138796 - Systems and methods for testing a wind turbine A system for testing is described. The system includes a wind turbine, a grid generator configured to generate power and coupled to the wind turbine, and a portable load coupled to the grid generator. ... 06/14/07 - 20070132248 - System and method of operating double fed induction generators A protection system and a protection method are provided for protecting a double fed induction generator and a gearbox during a grid fault. The protection system includes a plurality of controlled impedance devices. Each of the controlled impedance devices is coupled between a respective phase of a stator winding of ... 06/14/07 - 20070132247 - Electric power generation system An electric generating system configured to use the force of wind to drive at least one wind pump that pumps fluid in a hydraulic system for driving a hydroelectric generator. The wind pump has a blade assembly with blade boundary characteristic and pitch controls. The wind pump includes an inductive ... 05/31/07 - 20070120370 - Wind power installation with an asynchronous machine for establishing the azimuth position An asynchronous machine has a first rotor/stator arrangement in which the rotor is connected to a shaft, and a method of controlling such an asynchronous machine is provided. A drive is provided which permits nullification of the play of the mechanical components in the predetermined target position without involving mutual ... 05/31/07 - 20070120369 - System and method for utility and wind turbine control An exemplary embodiment includes a wind turbine system. The wind turbine system includes a wind turbine generator operable to supply wind turbine power to a utility system. A converter is coupled to the wind turbine generator and the utility system. The wind turbine system also includes a controller comprising an ... 05/24/07 - 20070114798 - Lightweight hub for rotors A structure for a hub of a rotor includes a space frame having truss members configured to carry primary torsion, bending, and direct loading. The structure also includes a shell on the space frame configured to stabilize the space frame and carry shear loading. ... 05/24/07 - 20070114797 - 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 attached to the shaft, and directing the current from the brake disc to one of a ... 05/17/07 - 20070108771 - Power converters The present invention provides a power converter that can be used to interface a generator that provides variable voltage at variable frequency to a supply network operating at nominally fixed voltage and nominally fixed frequency and including features that allow the power converter to remain connected to the supply network ... 05/17/07 - 20070108770 - Rotor for a wind energy turbine A the rotor for a wind energy turbine includes a hub and at least one rotor blade connected to the hub. The rotor also includes comprises at least one sensor for sensing at least one physical value of the rotor, e.g. mechanical stress, and a power supply for supplying electrical ... 05/17/07 - 20070108769 - Operating method for a wind park The present invention concerns a method of operating a wind park having a plurality of wind power installations. The invention further concerns a wind power installation having an electrically excited generator and a wind park having a central apparatus for controlling the park. Therefore the object of the present invention ... 05/10/07 - 20070102934 - Integrated wind power generator An integrated wind power generator is a device that integrates the functions of a wind turbine and a generator. In the main part of the induced structural component are located the induction circuits, the core and the coil, and in the motor-inducer component, the blades supports and the induction poles ... 04/26/07 - 20070090651 - Method for operating a wind park A wind park system is disclosed. Briefly described, one embodiment comprises at least one wind power installation having a generator for the delivery of electrical power to an electrical network, characterized in that the power delivered to the network by the wind park is regulated or adjusted in dependence on ... 04/19/07 - 20070085345 - Corrosion protection for wind turbine units in a marine environment A corrosion protected wind turbine unit includes a wind turbine unit support structure or foundation implanted in water and an impressed current anode electrochemically coupled to the wind turbine unit support structure or foundation through the water. Also included is a controlled current source configured to receive electrical current from ... 04/19/07 - 20070085344 - Method for operating a frequency converter of a generator Method for operating a frequency converter of a generator The method relates to the operation of a frequency converter of a generator in particular of a wind energy turbine, in the event of a substantial grid voltage drop, wherein the frequency converter (10) comprises an AC/DC converter (20), to be ... 04/19/07 - 20070085343 - 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 control device ensures that the wind turbine operates within its operating range. The wind turbine is ... 04/05/07 - 20070075546 - System and method for upwind speed based control of a wind turbine A method for controlling power output of a wind turbine generator in response to an anticipated change in wind speed is provided. The method includes sensing wind speed at a desired distance from the wind turbine generator in a direction of the wind. The method further includes controlling pitch of ... 03/29/07 - 20070069522 - 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, and means for determining a shifted torque-speed curve in response to the determined actual grid frequency if the determined actual ... 03/22/07 - 20070063519 - 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 described, one embodiment generates electrical power from an electrical generator coupled to the wind turbine, outputs the generated ... 03/15/07 - 20070057517 - Wind turbine load control method A method for limiting loads in a wind turbine by using measured loads or wind speed to increase the minimum pitch angle for extended periods. The minimum pitch angle will be allowed to relax down to the default when load excursions diminish. The method will allow turbines to capture more ... 03/15/07 - 20070057516 - Pitch control battery backup methods and system A method for controlling a pitch control system of a wind turbine includes providing a charged backup battery configured to supply no energy to a DC link when full AC input power is available, wherein the DC link includes a DC link capacitor. The method further includes using energy stored ... 03/15/07 - 20070057515 - Dual wind or hydraulic electric generating turbine A wind turbine with a hydraulic motor in the nacelle configured to provide constant rotation of a generator (6). A wind turbine is connected to a generator (6) through a rotor (1), clutches (3, 9), a geared transfer case (2), and a gearbox (7). When insufficient wind is present, an ... 03/08/07 - 20070052244 - Control system for doubly fed induction generator A controller (28) for a doubly fed induction generator (12,20) adjusts control signals to a rotor side converter (24) and line side converter (22) to adjust rotor current when a voltage transient on a utility grid (10) occurs, so that the doubly fed induction generator can ride through the transient. ... 02/22/07 - 20070040387 - Producing useful electricity from jetstreams A device for producing electricity from jet streams made of a part, which is found at heights where I the jet streams flow. The device gets the wind's energy by sails or wings, and turns it to energy, which can be used on the face of the earth. A second ... 02/22/07 - 20070040386 - Electric power generating apparatus for dispersed 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 a wind velocity or a flow velocity to obtain a DC output, has problems that many reactors are required and the ... 02/22/07 - 20070040385 - Wind power generation system, arrangement of permanent magnets, and electrical power-mechanical force converter A wind power generation system 10 comprising a frame, an impeller 12 rotatably supported by the frame, plural permanent magnets 31 aligned at equal intervals from the rotation center, and coils 32 aligned annularly on the frame. The relative motion of the permanent magnets 31 and the coils 32 in ... 02/15/07 - 20070035136 - 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 primary coil connected to said power generator and a first secondary coil connected to said first ... 02/15/07 - 20070035135 - Wind power generation evaluation system and predictive control service system for use with wind power generator A wind power generation evaluation system includes: a laser aerovane that measures, with a laser, the direction and velocity of wind at a distance from a wind power generator' connected to an electric power system, to predict the direction and velocity of wind at the wind power generator; a second ... 02/08/07 - 20070029802 - Wind turbine for producing electrical power and a method of operating the same A wind turbine includes a turbine rotor with at least one blade and a generator with a rotor and a stator. The turbine rotor is mechanically coupled with the rotor of the generator. A diode rectifier is electrically coupled to the stator of the generator. A direct current link is ... 02/08/07 - 20070029801 - Wind driven electric generator apparatus A wind driven electric generator apparatus includes a pair of wind-driven, counter-rotating propeller units placed back to back with each other. A first power transmission system is connected to the pair of counter-rotating propeller units for converting wind energy into mechanical energy. A second power transmission system is connected to ... 02/01/07 - 20070024059 - System and method for power control in wind turbines A system and method for power control in wind turbines are provided. The method includes switching a plurality of switching devices in a power conversion component of the wind turbine system in a normal switching mode to provide power flow through the power conversion component. The method further includes switching ... 02/01/07 - 20070024058 - Methods and apparatus for advanced wind turbine design A wind turbine system includes a variable blade assembly including adjustable sails and wing shaped masts expanding the wind velocity capture envelope. The blade assembly turns a hydraulic pump, which pressurizes fluid and stores the pressurized fluid in a chamber in the support tower. Pressurized fluid is directed via an ... 01/25/07 - 20070018457 - 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 one or more of wind direction relative to horizontal direction of main shaft of turbine, turbulence of the ... 01/18/07 - 20070013194 - Wind turbine and method of manufacture A variable voltage and frequency output wind turbine. Variations of the wind turbine include use of a slotless alternator to reduce alternator noise, a high power AC output to facilitate transmission of the output over extended distances, AC to DC converters and DC to AC converters, and sensors for systems ... 01/18/07 - 20070013193 - Auxiliary power supply for a wind turbine A wind turbine comprises a nacelle, a generator and a high voltage transformer which are connected to each other and are located inside the nacelle. The wind turbine is provided with a low voltage power supply source which is located remotely from the high voltage transformer and comprises a low ... 01/04/07 - 20070001461 - System and method for controlling effective wind farm power output A method for controlling variability in power output of a wind farm supplying power to a grid includes monitoring a power output level of the wind farm. The monitored power output level is compared to a target power output level. A command is issued to increase or decrease electrical power ... 01/04/07 - 20070001460 - Method and system for power generation A magneto-turbine power generating system allows for the clean, efficient generation of excess electrical power on a small or large scale. The magneto-turbine power generating system is a self-contained system that generates power greatly in excess of the system's needs, thereby allowing the system to act as an energy source ... 12/14/06 - 20060279088 - Methods and systems for generating electrical power A power generation system including a wind turbine generator for generating electrical power, an alternate power source, and a processor programmed to control operation of the alternate power source to control a power output of the alternate power source at least partially based on at least one of a wind ... 12/07/06 - 20060273595 - System and method for operating a wind farm under high wind speed conditions A technique is provided for operating a wind farm at increased rated power output. The technique includes sensing a plurality of operating parameters of the wind turbine generator, assessing the plurality of operating parameters with respect to respective design ratings for the operating parameters, and intermittently increasing a rated power ... 11/23/06 - 20060261597 - Offshore power generator with current, wave or alternative generators An offshore power generator is disclosed. The offshore power generator includes an offshore platform, which can be a new, existing, abandoned, removed, dumped or relocated fixed or floating offshore platform; one or more types of current, wind, wave and other renewable energy generators mounted to the offshore platform; and interconnecting ... 11/16/06 - 20060255594 - Voltage control for wind generators A wind turbine generator control system includes relatively fast regulation of voltage near the individual generators with relatively slower overall reactive power regulation at a substation or wind farm level. The setpoint of the relatively fast voltage regulator is adjusted by the relatively slow reactive power regulator. The fast voltage ... 11/16/06 - 20060255593 - Tidal power generation A tidal power generator has a floating vessel hull that is subject to rising and falling water levels so that the hull moves vertically up and down. Linear-to-rotary converters are coupled between the vessel hull and a fixed object. The converters allow the hull to move vertically while constraining the ... 11/09/06 - 20060249957 - 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 period. After the waiting timer period is over, the waiting timer function is switched to an operation timer ... 11/02/06 - 20060244265 - Wind turbine generator system To shorten a startup interval to reach a synchronizing condition, a phase difference and an amplitude difference between the grid voltage and the stator voltage of one phase of a winding are obtained. The difference in amplitude is decreased prior to or in parallel to synchronizing the stator voltage with ... 11/02/06 - 20060244264 - 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 rotor and further comprising a nacelle and a mounting means adapted to allow rotation of the turbine and ... 10/19/06 - 20060232073 - Method and installation for extracting energy from a flowing fluid Turbine farm comprising at least a first turbine and at least a second turbine for energy extraction from a flowing fluid, wherein when the second turbine is on the lee side of the first turbine, under nominal power, the axial induction of the first turbine is lowered with respect to ... 10/12/06 - 20060226657 - Method and apparatus for generating electricity by waste airflow of air conditioning equipment A method and an apparatus of generating electric power by recycling waste wind energy produced by a heat dissipating ventilation machine of an air conditioning equipment comprise: a motive power end producing waste wind energy during its operation; a passive select driver installed at the motive power end for receiving ... 10/05/06 - 20060220386 - Method for the erection of a wind energy plant and wind energy plant The object of the invention is to develop a method by means of which the erection of wind power installations can be effected even more advantageously but in particular also more quickly. A further aim of the invention is to provide in particular a solution which is suitable for offshore ... 09/28/06 - 20060214429 - Wind turbine generator system A wind turbine generator system is equipped with a three phase generator connected to a shaft of a windmill, a converter connected to a stator of the generator, and an inverter connected to the converter and also to an electric power system. The system extracts a torsional vibration component of ... 09/28/06 - 20060214428 - Wind farm The invention relates to a wind-driven power-plant comprising a rotor (100) which is fitted with at least one rotor blade and which is connected directly or indirectly to a generator for power generation, further including an electrical assembly made up of different electrical sub-assemblies including electronic, electrical and/or electromechanical and/or ... 09/21/06 - 20060208493 - Methods and apparatus for pitch control power conversion A method for powering a pitch motor drive system for at least one DC pitch motor of a wind turbine includes rectifying a voltage using a bridge circuit to thereby supply a DC link voltage to a bridge comprising active switching devices, and utilizing at least one link capacitor to ... 08/31/06 - 20060192390 - 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 distribution. The control system comprises a converter (17-0, 171), having a clamping unit comprising at least one passive voltage-dependent resistor ... 08/24/06 - 20060186670 - Method and apparatus for converting wind generated electricity to constant frequency electricity for a utility grid A method and apparatus are disclosed for converting wind generated electricity to constant frequency electricity for supplying it to a utility grid. The disclosed system and method uses a wind turbine generator having a doubly fed induction generator. Above the synchronous speed of the generator, the electricity from the rotor ... 07/27/06 - 20060163882 - Wind power plant comprising a rotor blade adjusting device A wind power plant including a rotor having at least one angle-adjustable rotor blade, a generator that, for generating electrical power, can be directly or indirectly coupled to the rotor and, for supplying the electrical power, can be directly or indirectly coupled to an electrical grid, at least one rotor ... 07/27/06 - 20060163881 - 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 feed-in unit are driven by a rotor of the wind turbine; wherein the frequencies of the fed-in rotor ... 07/27/06 - 20060163880 - Offshore wind park The present invention relates to wind farms, so called, comprising at least two wind turbines, and in particular to offshore wind farms. In order to provide a wind farm in which transport between separate wind turbines can be effected more safely and with less dependence on weather, at least one ... 07/13/06 - 20060152010 - Method of operating a wind power installation and a wind power installation 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 particular an electrical network. The invention further concerns a ... 07/06/06 - 20060145483 - Method of controlling aerodynamic load of a wind turbine based on local blade flow measurement The present invention relates to a method of controlling the aerodynamic load of a wind turbine's blades individually in such a way that the dynamic aerodynamic loads on the turbine are reduced and power production is optimised. In general the present invention will improve the overall stability of the turbine ... 06/15/06 - 20060125241 - Apparatus and method for generating hydrogen gas through the use of wind power This invention teaches an apparatus, method, means, and computer readable media to address the problem of the inconsistent, unreliable nature of wind, and in particular low-wind speeds, through utilizing a blower and/or startup assist to aid in turning an electricity generating electrical generator during periods of low-wind speed. This generator ... 06/08/06 - 20060119106 - Wind power system A system for capturing and converting and/or storing wind energy includes a vessel adapted to receive at least one wind machine for capturing wind and a device for converting wind energy to storable energy. A method of adapting a vessel, such as a surplus cargo ship or an oil tanker, ... 06/08/06 - 20060119105 - Power generating system and its control method A power controller 5 calculates the induced voltage or rotor magnetic flux from the output voltage and the output current of a generator 3, estimates a shaft speed of the generator 3 from the phase of the induced voltage or the phase of the rotor magnetic flux, and calculate the ... 06/01/06 - 20060113801 - Device and method for a functional test of one wind turbine generator plant A method for a functional test of a wind turbine generator plant which comprises the following procedural steps: a control unit for the wind turbine generator plant reads in actual values from at least one structural part of the wind turbine generator plant and generates control signals for actuators of ... 06/01/06 - 20060113800 - Operating method for a a wind turbine with a supersynchronous cascade The invention relates to a wind energy system having a rotor that can be driven by the wind, preferably having one or more rotor blades that can be adjusted in angle, a generator directly or indirectly connected with the rotor, to generate electric energy, which is configured as an asynchronous ... 05/18/06 - 20060103137 - Wind power installation A wind power installation having external and/or internal redundancy derived by multiple, independent power generating systems arranged in parallel, but switchably interconnected to allow substantial continued operation in the event of a critical component failure. ... 05/11/06 - 20060097519 - Wind energy system, as well as a method for operating such a wind energy system A wind energy system is specified, which comprises at least two generators (2) which are driven by means of wind rotors (1), a rectifier unit (3) for each generator (2), an energy storage circuit (4) for each rectifier unit (3), a first busbar system (7), to which the energy storage ... 05/04/06 - 20060091675 - Apparatus for generating electric power using wind energy An apparatus for generating electric power using wind energy includes a structural frame configured with a vertical array of accommodating spaces and having two pairs of sides. Each pair of the sides are opposite to each other. Each of a plurality of electric generating units includes a windmill mounted rotatably ... 04/27/06 - 20060087124 - Power control interface between a wind farm and a power transmission system A power control interface between an unstable power source such as a wind farm and a power transmission line employs an electrical energy storage, control system, and electronic compensation module which act together like an “electronic shock absorber” for storing excess power during periods of increased power generation and releasing ... 03/30/06 - 20060066111 - Vibration damping system and method for variable speed wind turbines A vibration damping technique for a wind turbine system is described. The wind turbine system includes a vibration damper, which provides a variable signal to control torque produced by a generator of the wind turbine system. The variable signal is based on generator speed and has a first local peak ... 03/30/06 - 20060066110 - Electrical machine with double-sided lamination stack The machine includes a rotor with an inner rotor core and an outer rotor core and a double-sided stator with an inner stator side and an outer stator side. The double-sided stator is concentrically disposed between the inner rotor core and the outer rotor core of the wind turbine generator. ... 03/23/06 - 20060061107 - Energy scavenging methods and apparatus Methods and devices for efficiently extracting long-term energy from the external environment or the propulsion system of a vehicle in motion or operation are described. The vehicle can be in the form of a missile, aircraft, sensor-pod, Space Shuttle, ship, submarine, propeller, or other moving body. Methods and devices are ... 03/02/06 - 20060043737 - Integrated power pole Self powered Integrated Power Pole converting solar, wind, thermal and compressed air energy into consumable electrical power for application uses with any high mounted device that requires electrical power to function. The present invention relates generally to a self propelled power device for use in any high mounted outdoor fixture ... 02/16/06 - 20060033340 - Electrical power generation assembly An electrical power generation assembly (10) comprises a main body (12) having a low density to provide lift and wind driven means (18) on a surface of the main body (12) to generate electrical power. The main body (12) has a prismatic shape and has a part-circular, or a part-elliptical, ... 02/16/06 - 20060033339 - Method in a wind power plant A method for preventing mechanical oscillation in a wind power plant, the method comprising the steps of determining wind speed, controlling a generator of the power plant with speed control when the wind speed is below a predefined limit to maintain the rotation speed of the generator below a predefined ... 02/16/06 - 20060033338 - Wind flow estimation and tracking using tower dynamics A turbine control system for a variable speed electrical generator in a wind turbine mounted atop a support tower. The wind turbine converts wind energy into a driving torque applied to the generator. The control system includes a turbine support tower position sensor and may also include other tower acceleration ... 02/09/06 - 20060028025 - 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 of the wind turbine. The wind turbine generator system includes a generator connected to the shaft of the wind turbine ... 01/19/06 - 20060012181 - Voltage control for wind generators A wind turbine generator control system includes relatively fast regulation of voltage near the individual generators with relatively slower overall reactive power regulation at a substation or wind farm level. The setpoint of the relatively fast voltage regulator is adjusted by the relatively slow reactive power regulator. The fast voltage ... 01/05/06 - 20060001269 - Electrical machine with double-sided rotor Machines useful for wind turbine and ship propulsion purposes include a double-sided generator or motor with two concentric air gaps. In one embodiment, the machine includes a double-sided rotor with an inner rotor side and an outer rotor side; and a stator with an inner stator core and an outer ... 01/05/06 - 20060001268 - Methods and apparatus for rotor load control in wind turbines A wind turbine having a rotor, at least one rotor blade, and a plurality of generators, of which a first generator is configured to provide power to an electric grid and a second generator is configured to provide power to the wind turbine during times of grid loss. The wind ... 12/29/05 - 20050285406 - Telescoping wind turbine blade A wind turbine blade made of a fixed blade section with an integral mounting flange for attachment to a wind turbine hub. A moveable blade section is attached to the fixed blade section and is free to move in a longitudinal direction relative to the fixed blade section. A positioning ... 12/15/05 - 20050275225 - Wind power system for energy production A wind power energy system includes a compression system that produces pressurized air with a first temperature that is received by a storage system at a second temperature that is approximately equal to the first temperature. The wind power energy system is insulated with about ten centimeters of glass-wool insulation ... 11/17/05 - 20050253396 - Variable speed wind turbine generator A variable speed system for use in systems, such as, for example, wind turbines, is described. The system comprises a wound rotor induction generator, a torque controller and a proportional, integral derivative (PID) pitch controller. The torque controller controls generator torque using field oriented control, and the PID controller performs ... 11/10/05 - 20050248160 - Omni-directional wind turbine electric generation system An omni-directional wind turbine electric generation system including a wind rotor carrying wind responsive vanes which on one surface exert an aerodynamic lifting force and on the other a blocking force both of which exert a torque in the same rotational sense, and an electric generator directly connected to said ... 11/03/05 - 20050242590 - Wind turbine system Wind turbine system, and related method, is provided that exploits an aerodynamically enhanced wind zone of a structure by aligning a wind turbine generator, and preferably a plurality thereof, along a wall thereof. Each generator includes a structural support, a wind turbine rotor and a generator set. The system includes ... 10/27/05 - 20050236839 - Dual-user wind generator The alternators are driven by the same rotor, but connected to the national grid or users in a wholly independent way from the other alternator, and are connected to one another by a joint (6) fitted with a brake (7). ... 10/27/05 - 20050236838 - Protection for wind power station A wind power station comprises a wind rotor; a transmission mechanically coupled to the wind rotor; an asynchronous generator having a generator rotor mechanically coupled to the transmission, and a generator stator electrically coupled to a power grid; and a protection unit protecting the generator and the transmission against accidental ... 10/20/05 - 20050230980 - Wind turbine mounted on power transmission tower A power transmission tower carrying power lines has a wind turbine mounted to an upper portion of the tower. The wind turbine has a rotor which drives a generator for generating electric power. The generated power is stepped up using a transformer before being fed into one of the power ... 10/20/05 - 20050230979 - Direct drive wind turbine A wind turbine is provided that minimizes the size of the drive train and nacelle while maintaining the power electronics and transformer at the top of the tower. The turbine includes a direct drive generator having an integrated disk brake positioned radially inside the stator while minimizing the potential for ... 10/20/05 - 20050230978 - Solar/wind actuated faraday principle turbine generator A wind actuated turbine which causes a permanent maqnet-brush spinner and a copper foil covered disk spinner to counter rotate and generate electricity by the Faraday Principle is improved by fastening a solar recharged battery driven electromagnet to the spinner to work in combination with the generators permanent magnet brush, ... 10/13/05 - 20050225091 - Method and apparatus for using wind turbines to generate and supply uninterrupted power to locations remote from the power grid The present invention relates to a wind energy generating and storing system comprising methods and apparatuses for providing energy dedicated for immediate use and energy storage, to provide electrical power on an uninterrupted and continuous basis, to locations remote from an electrical power grid. In a large application, the invention ... 10/13/05 - 20050225090 - Island network and method for operation of an island network The invention relates to an island network with at least one energy generator, using regenerative energy sources, whereby the energy generator is preferably a wind energy plant with a first synchronous generator, a DC link, at least one first power rectifier and a power inverter, a second synchronous generator and ... 09/08/05 - 20050194790 - Wind power generating system In a wind power generating system, a pair of axially spaced turbines are connected to an outer rotor and an inner rotor of a generator, respectively, and are provided with blades having equal but opposite pitch angles so that the inner and outer rotor rotate at a same rotational speed ... 08/11/05 - 20050173928 - Framework composition windmill A framework composition windmill includes a cylindrical tower and a wind power dynamic component positioned at the top end of the tower. The wind power dynamic component includes a wind-driven rotor and an STS energy exchange coupling element which includes an annular mechanical moving module and an annular stationary electronic ... 07/28/05 - 20050161950 - Wind power system A system for capturing and converting and/or storing wind energy includes a vessel adapted to receive at least one wind machine for capturing wind and a device for converting wind energy to storable energy. A method of adapting a vessel, such as a surplus cargo ship or an oil tanker, ... 07/21/05 - 20050156432 - Power generation system incorporating a vanadium redox battery and a direct current wind turbine generator A power generation system includes a wind turbine generator and a vanadium redox battery to compensate for fluctuations in wind power. The wind turbine generator provides DC power that may be used to charge the vanadium redox battery. Generated DC power may also be used for power distribution and, if ... 07/21/05 - 20050156431 - Vanadium redox battery energy storage and power generation system incorporating and optimizing diesel engine generators A power generation system includes a vanadium redox battery that interfaces with a control system to optimize performance and efficiency. The power generation system may include one or more wind turbine generators and one or more diesel fuel generators. The control system manages the vanadium redox battery's absorption and power ... 07/14/05 - 20050151377 - Wind turbine generator system To shorten a startup interval to reach a synchronizing condition, a phase difference and an amplitude difference between the grid voltage and the stator voltage of one phase of a winding are obtained. The difference in amplitude is decreased prior to or in parallel to synchronizing the stator voltage with ... 07/14/05 - 20050151376 - Wind power plant with vertical axix turbine A wind-power unit has a wind turbine has an electric generator connected to the wind turbine. The stator of the generator has a winding formed of a high-voltage cable having a core of conducting material, a first layer of semiconducting material surrounding the core, an insulating layer of solid material ... 07/07/05 - 20050146141 - Drive line for fluid flow power engine with speed guidance, power impact reduction and short-term energy storage Procedure for the control of a drive line the input shaft of which, at the very least, is directly driven by a power input from a wind power or waterpower machine or from another flow power machine and of which the output shaft, at the very least, directly drives an ... 06/16/05 - 20050127680 - System, method and computer program product for enhancing commercial value of electrical power produced from a renewable energy power production facility A method, system and computer program product enhance the commercial value of electrical power produced from a wind turbine production facility. Features include the use of a premier power conversion device that provides an alternative source of power for supplementing an output power of the wind turbine generation facility when ... 06/02/05 - 20050116477 - Automatic power generation light-image fan device An automatic power-generation light-image fan device is described. It has a fan motor, a vane set, a circuit board, a programmable chip, an automatic power-generation component and a rectifier filter circuit. In this device, the circuit board is mounted on the vanes of the vane set and also has plural ... 06/02/05 - 20050116476 - Circuit to be used in a wind power plant The invention relates to a circuit with a variable rotational speed to be used particularly in a wind power plant, comprising a double fed asynchronous generator (DASM), a crow-bar, an additional resistor (R15) and a converter. In order to meet the requirements of the network provider, whereby a particularly permanent ... ### FreshPatents.com Support |