|
Match
|
Document |
Document Title |
|
|
US20120299558 |
SUBMERGED RAM AIR TURBINE GENERATING SYSTEM
A submerged ram air turbine generating system adapted for use in a pod mounted to the wing of an aircraft comprises a submerged inlet extending substantially entirely around the outer surface of...
|
|
|
US20110241630 |
POWER CONVERSION SYSTEM FOR A MULTI-STAGE GENERATOR
An electric power generation system is provided, including a generator having a plurality of stages engaged by a prime mover; and a plurality of branches for connecting the stages to an electrical...
|
|
|
US20120133342 |
WIND TURBINE GENERATOR AND SURPLUS ENERGY CONTROL METHOD FOR WIND TURBINE GENERATOR
A wind turbine generator includes a synchronous generator that generates electric power via rotation of a rotor provided with blades that receive wind and that supplies the generated electric power...
|
|
|
US20120056601 |
ROTOR BASED AIR GAP HEATING FOR AIR DRIVEN TURBINE
A generator apparatus comprises a deicing circuit. The deicing circuit is operable during a time when a main generator rotor is not being rotated by a generator shaft. The deicing circuit includes...
|
|
|
US20120133150 |
COMBINATION LOW SPOOL GENERATOR AND RAM AIR TURBINE GENERATOR
A power generating apparatus for use with an aircraft gas turbine engine has a low pressure spool assembly which includes an electrical generator. The electrical generator includes a generator...
|
|
|
US20120007361 |
Water Handling Environment Water Electric Generator
A variable volume and velocity water electric generator system for use in a narrow channel in which variable amounts of water flow. The system includes an electric generator/water wheel unit...
|
|
|
US20120049805 |
FAULT RIDE THROUGH SWITCH FOR POWER GENERATION SYSTEM
A power generation system that includes a prime mover configured to generate mechanical energy. The power generation system also includes a power generator configured for generating electrical...
|
|
|
US20110273147 |
Electric Tap in a Voltage Regulator Circuit
In one aspect of the present invention, a voltage regulator circuit comprises at least one coil disposed around a rotor coupled to a first rectifier. The coil comprises an electric tap connected to...
|
|
|
US20120001597 |
ELECTRIC POWER CONVERTING APPARATUS
A microcomputer that exercises driving control and power-generation control over a motor generator unit and a power-generation maintaining unit that, separately from the power-generation control...
|
|
|
US20120242295 |
Method and arrangement for controlling an operation of an electric energy production facility during a disconnection to a utility grid
A method is provided for operating an electric energy production facility during a fault in a utility grid to which energy is to be delivered. The energy production facility includes at least one...
|
|
|
US20120049521 |
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...
|
|
|
US20110215578 |
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...
|
|
|
US20110210705 |
METHOD FOR REGULATING THE REACTIVE POWER GENERATED OR ABSORBED BY A SYNCHRONOUS ELECTRIC GENERATOR AND SYNCHRONOUS ELECTRIC GENERATOR
A method for regulating the reactive power generated or absorbed by a synchronous electric generator includes regulating a quantity of coils disposed in line with a stator winding. Additionally, a...
|
|
|
US20120248772 |
CONTROL DEVICE OF WIND TURBINE GENERATOR, WIND TURBINE GENERATOR, WIND FARM, AND CONTROL METHOD FOR WIND TURBINE GENERATOR
An object is to rapidly recover from a voltage drop in a power grid. When the value of a grid voltage detected by a grid voltage detection unit has fluctuated so as to satisfy a condition set in...
|
|
|
US20120074930 |
MOVING MAGNETIC FIELD GENERATING APPARATUS
A moving magnetic field generating apparatus includes a magnet array including magnets disposed at a first pitch such that N and S poles of adjacent magnets in the magnet array are alternated, and...
|
|
|
US20110115445 |
POWER SYSTEM
A power system is provided for delivering a custom level of electrical power to an industrial or commercial facility, comprising a local generator connected to a turbine operating in accordance...
|
|
|
US20130049708 |
OUTPUT CONTROL DEVICE OF ELECTRIC GENERATOR
A rising temperature of components of an electric generator is restrained without deteriorating the quality of electricity output and the user-friendliness of the electric generator. AVR (7) and a...
|
|
|
US20120326678 |
Method for Protecting an Automotive Generator From Overheating
A method for protecting an automotive generator from overheating, in which a predefined limiting characteristic curve, related to a base temperature and describing a maximally allowed excitation...
|
|
|
US20110050182 |
GENERATOR DEVICE WITH OVERVOLTAGE MONITORING
A generator device with a generator regulator and a generator unit having a generator and a rectifier arrangement. The generator regulator has an operating voltage connection and a phase voltage...
|
|
|
US20110101927 |
POWER GENERATION SYSTEM AND METHOD WITH VOLTAGE FAULT RIDE-THROUGH CAPABILITY
A power generation system includes a generator mechanically coupled to a turbine to generate electrical power. The system includes a fault ride through system having a variable resistor and a...
|
|
|
US20110248686 |
METHOD FOR THE OPERATION OF A WIND ENERGY PLANT AT SUDDEN VOLTAGE CHANGES IN THE GRID
A method for the operation of a wind energy plant with a rotor, which transfers a driving moment to a generator via a drive train, wherein the generator provides a pre-settable generator moment...
|
|
|
US20120223531 |
Generator Selection in a Power Plant
A power plant includes an engine coupled to a first generator and a second generator. The first generator includes a synchronous generator wherein the first generator is configured to provide...
|
|
|
US20110227545 |
VIBRATION POWER GENERATOR, VIBRATION POWER GENERATING DEVICE AND COMMUNICATION DEVICE HAVING VIBRATION POWER GENERATING DEVICE MOUNTED THEREON
Electricity generated by a vibration power generator 200 can be extracted efficiently by providing the vibration power generator 200, a rectifier circuit bridge 205, an output controlling circuit...
|
|
|
US20110115444 |
ELECTRIC LOAD DAMPER FOR DAMPING TORSIONAL OSCILLATION
An electric load damper assembly includes a synchronous generator operable to provide a plurality of phases of electrical output in response to a mechanical input from a rotating shaft. An electric...
|
|
|
US20120133343 |
WIND TURBINE HAVING A HIGH-VOLTAGE RIDE THROUGH (HVRT) MODE
A wind turbine connected to a power grid is provided. The wind turbine is selectively activated to operate at a high-voltage ride through (HVRT) mode. The wind turbine includes a grid voltage...
|
|
|
US20130027003 |
DOUBLY-FED INDUCTION GENERATOR SYSTEM AND THE SELF-TEST METHOD FOR THE ACTIVE CROWBAR CIRCUIT THEREOF
Provided is a doubly-fed induction generator system and a self-test method for the active crowbar circuit of the doubly-fed induction generator system. The invention is featured by using the...
|
|
|
US20110057630 |
Vehicular Alternator, and Rectifier of Vehicular Alternator
A rectifier of vehicular alternator that rectifies AC electrical power into DC electrical power comprises: a rectifier that includes a plurality of MOS FETs that are used as rectifier elements; a...
|
|
|
US20120299559 |
Energy Collection
An energy collection system may collect and use the energy generated by an electric field. Collection fibers are suspended from a support wire system supported by poles. The support wire system is...
|
|
|
US20110018270 |
DOUBLY-CONTROLLED ASYNCHRONOUS GENERATOR
An electric power generator system or a motor comprising a doubly-fed asynchronous generator or motor comprising a stator and a rotor; a transformer having a first winding and a second winding, the...
|
|
|
US20080001579 |
Gravity propelled generator
The Gravity Propelled Generator is a machine used as a method of renewable energy. It uses a pendulum attached to a solid lever that is connected to an axle. The axle is connected on both sides to...
|
|
|
US20120074912 |
INVERTER GENERATOR
A control circuit (microcomputer) is provided in each of two inverter portions. Magnitude of a target waveform signal corresponding to a voltage to be output by each of the inverter portions is...
|
|
|
US20110193534 |
MAGNETIC CONTROL CIRCUIT SEPARATION SLIT
An electric alternator/motor having a stator with at least two non-overlapping sectors is provided. Each sector includes a first winding, first and second magnetic circuits and a saturation control...
|
|
|
US20130009612 |
ENERGY EXTRACTION DEVICE WITH ELECTRICAL GENERATOR AND METHOD OF OPERATING ENERGY EXTRACTION DEVICE ELECTRICAL GENERATOR
A wind turbine generator, or other energy extraction device, has a hydraulic circuit comprising a hydraulic pump driven by a rotating shaft and a hydraulic motor driving an electricity generator....
|
|
|
US20110273148 |
OUTPUT CONTROL DEVICE FOR HYBRID ENGINE-DRIVEN POWER GENERATOR
A power generator has a battery and an alternator driven by an engine. The battery assists a power energy of the alternator. An inverter circuit is connected to an output of a rectifying circuit. A...
|
|
|
US20120262129 |
DOUBLE FED INDUCTION GENERATOR CONVERTER AND METHOD FOR SUPPRESSING TRANSIENT IN DEACTIVATION OF CROWBAR CIRCUIT FOR GRID FAULT RIDETHROUGH
A double fed induction generator (DFIG) system and controller are presented in which the rotor side converter is preloaded with one or more initial values for resuming regulated operation to...
|
|
|
US20110133703 |
ARCHITECTURE FOR DUAL SOURCE ELECTRIC POWER GENERATING SYSTEM
A dual source electric power generating system (EPGS) provides both a regulated AC output and a regulated DC output. The EPGS includes a rotating portion and a stationary portion. The stationary...
|
|
|
US20110074366 |
PERMANENT MAGNET GENERATOR HAVING PASSIVE FLUX CONTROL
A permanent magnet generator assembly has a permanent magnet generator with magnetic flux control windings, a passive rectifier, and a passive control element. The passive control element...
|
|
|
US20080218131 |
No emission portable generator
A generator without emissions that portably temporarily and quietly is capable of producing electrical power for household appliances in the event of a blackout. The generator has a power source...
|
|
|
US20120211983 |
METHOD AND SYSTEM FOR OPERATING AN ELECTROMECHANICALGENERATOR
A method for operating an electromechanical generator is provided, the method comprising: determining a magnetic field reference parameter based on an electromagnetic power reference representing a...
|
|
|
US20090302808 |
Flywheel electricity generator
A flywheel (magnet rotors or stators) assembly to create electricity, by attaching motor to provide kinetic energy to magnet rotors or stators, so magnet rotors or stators can run on principal of...
|
|
|
US20110266799 |
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...
|
|
|
US20120161723 |
Switched Reluctance Generator Integrated Controls
A method of controlling a generator (110) of an electric drive (104) associated with an engine (102) is provided. The method may determine an operational state of the electric drive (104) based on...
|
|
|
US20120126758 |
HIGH VOLTAGE DC POWER GENERATION
A DC power system includes a permanent magnet generator (PMG), and an active rectifier in electrical communication with the PMG. The active rectifier is adapted to actively rectify power output...
|
|
|
US20070126406 |
Turbine with Configurable Generator Circuit
A device for generating electricity including a turbine capable of spinning at variable revolutions per minute (RPM), an electric generator circuit configurable to either a Wye-type generator...
|
|
|
US20120025788 |
LOW-LOSS ZERO CURRENT SWITCHING SHUNT REGULATOR FOR AC ALTERNATOR
A control circuit for use with an AC alternator has a plurality of outlet lines leading from the alternator, each receiving a phase of current generated by the alternator. Tap lines are associated...
|
|
|
US20120206112 |
High voltage oscilloscope
The invention described above is a method of producing high voltage alternating current electricity for use in the electrolysis of liquid. The advantages of using high voltage alternating current...
|
|
|
US20060214535 |
Energy converter utilizing electrostatics
An electrostatic energy converter comprising a rotor having a working surface provided with a plurality of distinct charged regions. A stator extends parallel to the rotor and has a working surface...
|
|
|
US20090045782 |
POWER CONVERSION SYSTEM
A power conversion system includes two three-level converters, and a phase shifted transformer coupled to the converters.
|
|
|
US20100320762 |
WIND ENERGY INSTALLATION HAVING A DOUBLE-ENERGIZED ASYNCHRONOUS GENERATOR AND CONVERTER CONTROL
A method for controlling a converter of a wind energy installation. The converter is connected to the rotor of a doubly-fed asynchronous generator in order to feed electrical power into an...
|
|
|
US20100295518 |
ROBUST DIGITAL VOLTAGE REGULATOR
A system and method are disclosed for regulating a generator controlled power signal. An exemplary embodiment of the system may include both a digital voltage regulator and an analog voltage...
|