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Prime-mover Dynamo Plants > Electric Control

Electric Control

Electric Control patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

03/20/14 - 20140077494 - Methods and apparatus to power an exercise machine
Methods and apparatus to power an exercise machine are disclosed herein. An example method includes measuring a power supply current produced by a user of the exercise machine. A rotations per minute of the exercise machine is measured. A power supply reference current is determined, the power supply reference current...

01/02/14 - 20140001756 - Electromagnetic braking systems and methods
An electromagnetic braking system of a power generation system includes an electrically conductive disc coupled to a rotatable shaft operatively coupled between a prime mover and a generator; a controller for receiving a status signal from the power generation system and for generating a control signal based on the status...

01/02/14 - 20140001757 - Control system and method for power plant
A method of operation of a thermal power plant having an air separation system with a plurality of air storage unit (ASU) compressors and a liquid oxygen/liquid air (LOX/LA) storage facility for oxyfuel firing of fossil fuel and a power plant having a control system to perform the same are...

11/21/13 - 20130307269 - Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange
A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments of the invention, a motor-generator. The reversible air compressor-expander uses...

11/07/13 - 20130292941 - Electrical machine
An electromagnetic machine, comprising: a first stator winding having a first number of pole pairs; a second stator winding having a second number of pole pairs which is different to the first number of pole pairs; and, a modulator having a plurality of pole pieces arranged relative to the first...

08/15/13 - 20130207390 - Hydroelectric in-pipe turbine uses
An in-pipe turbine has uses in energy storage and circulation. Specific applications are in storage systems working by elevation, smart grid systems, pressure release, and heating/cooling systems....

07/04/13 - 20130168960 - Method and apparatus for pole-slip detection in synchronous generators
A system and method for predicting a pole slip in a synchronous generator is provided. The system includes a stator voltage frequency detector to determine the frequency of the stator voltage, a mechanical frequency detector to determine the rotational speed of the rotor and a prediction unit that is operative...

07/04/13 - 20130168961 - Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange
A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments of the invention, a motor-generator. The reversible air compressor-expander uses...

04/25/13 - 20130099492 - Engine operating machine
The present invention provides an air cooling means forcibly cools inside of an operation box of controlling an engine generator by using engine cooling air. An engine generator has a generator driven by an engine and an operation box housing a controller for the generator. The engine is cooled by...

03/28/13 - 20130076034 - Leisure vehicle
The present invention is to provide a leisure vehicle in which a load applied to an engine is controlled and a driving property and an output are improved. The leisure vehicle has a generator 30 to be driven by the engine for generating power, and a power generation control device...

03/21/13 - 20130069367 - Power generation control device and power generation control method for vehicle
A device that controls a power generator driven by power from an engine includes: a brake operation amount detection unit that detects a brake operation amount; and a power generation amount setting unit that sets a power generation amount of the power generator to be lower when a vehicle is...

03/07/13 - 20130056981 - Methods and apparatus for control of biomechanical energy harvesting
An apparatus for harvesting energy from motion of a human or animal body segment and providing the energy to an electrical load is disclosed. The apparatus comprises a generator operatively coupled to the body segment such that particular movement of the body segment causes the generator to output a generator...

03/07/13 - 20130056982 - Gas turbine generator
A gas turbine generator 1 comprising a combustor (2), a turbine (4), a compressor (6), a drive shaft (7) and at least one generator. The turbine (4) is driven by the combustor (6). The drive shaft (7) links the turbine (4) and the compressor (6) along a common rotational drive...

03/07/13 - 20130056983 - Power generation control apparatus
When electric generators operate in parallel, field current control operations thereof are synchronized thereby to equalize load balance therebetween. A first power generation control device connected to a main electric generator and a second power generation control device connected to a subordinate electric generator are each provided with an external...

02/14/13 - 20130038056 - Methods and apparatus for harvesting biomechanical energy
Methods and apparatus are disclosed for harvesting energy from motion of one or more joints. Energy harvesters comprise: a generator for converting mechanical energy into corresponding electrical energy; one or more sensors for sensing one or more corresponding characteristics associated with motion of the one or more joints; and control...

01/24/13 - 20130020803 - Steady-state and transitory control for transmission between engine and electrical power generator
A system for transforming a variable output into an input having a desired speed value, including a transmission receiving the output having a first speed (Ve) and producing the input having a second speed (Vgen), first, second and third sensors producing data corresponding to the first speed (Ve), second speed...

01/17/13 - 20130015658 - Method and device for damping torsional oscillations
A method for damping torsional oscillations in a power production plant includes a drive train, a rotor fitted to a rotor-side end of the drive train, and a generator driven via the drive train and fitted to a generator-side end of the drive train. By using at least one angular...

12/27/12 - 20120326443 - Variable speed power generation from industrial fluid energy sources
Method and apparatus are provided for the process optimization of a working fluid stream and energy recovery therefrom. A turbine in the working fluid stream is coupled to a variable speed generator for forming a turbine-generator pair. One controls the turbine speed for affecting the fluid stream for achieving a...

12/20/12 - 20120319403 - Wheel turbine rotor
A turbine rotor is provided and includes a rotor plate, wherein the rotor plate is substantially circular in shape and includes a rotor plate surface having a rotor plate center and a rotor plate periphery. The turbine rotor further includes a plurality of rotor blades, wherein the plurality of rotor...

12/06/12 - 20120306201 - Fluid-cooled load resistor for use in energy production and use therefor
A load resistor device for a generator driven by a turbine in a fluid string wherein the load resistor is provided with at least one electrical element in heat conducting connection with the turbine driving fluid. Also described is a method for use of such a device....

11/01/12 - 20120274066 - In-pipe turbine
An in-pipe hydraulic turbine system includes a pipeline for fluid transport, the pipeline having an inlet and an outlet, and a turbine disposed within the pipeline, between the inlet and the outlet. The turbine is actuated by fluid moving through the pipeline and leaves usable fluid pressure downstream of the...

07/05/12 - 20120169049 - Gas pressure reduction generator
A Gas Pressure Reduction Generator (GPRG) System and a method for implementing a GPRG System is provided, where the GPRG System includes a gas inlet configured to receive a pressurized gas flow from a gas supply, at least one expander in flow communication with the gas inlet to receive the...

06/07/12 - 20120139239 - Inverter generator
An inverter generator includes a motor, an electric generator and an ECU generating a pulse at each predetermined rotation angle of the motor. Estimating means estimates an initial electrical angle of alternating voltage produced by the generator from the pulse and calculates a phase shift angle to estimate continuous electrical...

02/09/12 - 20120032440 - Stationary energy generation plant having a control device and method for controlling the same
A stationary energy generation plant includes a control device that serves to control current and energy flow. The energy generation plant includes at least one mechanically driven rotor and a generator mechanically coupled to the rotor. To this end, power electronics operationally connected to the generator enable variable energy flow...

01/26/12 - 20120019000 - Generator set calibration controller
A calibration system for a generator set controller is disclosed. The calibration system may have a source of electric power, a controller in communication with the source and configured to monitor a parameter of the electric power and produce at least one output corresponding to the monitored parameter, and a...

12/22/11 - 20110309618 - Electromechanical energy harvesting system
A method of electromechanical energy harvesting includes sensing electrical current generated by relative movement of a coil and a magnetic flux source produced by movement of a cantilevered beam in response to ambient vibration energy, determining a vibration characteristic of the ambient vibration energy, and adjusting an effective flexible length...

12/15/11 - 20110304139 - Hybrid engine-driven power generator
A power generator starts an engine by overcoming an inrush current occurs. A calculator (21) retrieves an outputtable current of a generator according to an engine speed. A calculator (23) calculates the lacking amount of the outputtable current relative to a load current. When the remaining battery level is sufficient,...

12/01/11 - 20110291411 - Power distribution system having priority load control
A power distribution system is disclosed. The power distribution system may have a generator, a first load interruption device associated with the generator, and a load powered by the generator. The power distribution system may also have a second load interruption device associated with the load, and a generator controller....

10/13/11 - 20110248498 - Generating electrical power utilizing surface-level hot air as the heat source, high atmosphere as the heat sink and a microwave beam to initiate and control air updraft
The invention describes a method of generating electrical power utilizing hot surface air as the heat source, high atmosphere as the heat sink and a microwave beam aimed upward providing updraft to initiate and control the large-scale air circulation. The frequency of the microwave beam is centered at approximately 60...

09/29/11 - 20110233931 - Energy management system for heavy equipment
Equipment having an energy management system includes an articulated arm, a work implement, an energy management system, and a hydraulic circuit. The articulated arm includes hydraulic actuators designed to maneuver the articulated arm, and the work implement is fastened to the articulated arm. The energy management system is adjustable between...

09/29/11 - 20110233932 - Method and apparatus for providing an electrical energy system
Embodiments of the subject invention relate to a method and apparatus for providing an electrical energy system. A specific embodiment can incorporate at least one energy harvesting module (H-module), at least one energy storage module (S-module), and at least one power electronic circuit module (C-module). The various modules can be...

09/29/11 - 20110233933 - Pressure regulation device adapted to maintain a predetermined pressure drop and derive energy thereby
A pressure regulation device adapted to maintain a predetermined pressure drop. The device includes: a fluid inlet; a turbine rotated by a flowing fluid; a shaft rotated by said turbine; a generator in mechanical communication with said shaft; a fluid outlet. Wherein said predetermined pressure drop across said turbine is...

09/15/11 - 20110221192 - Generator for generating eletrical energy from mechanical vibrations, and method for adjusting the resonant frequency of such a generator
A universally and flexibly applicable generator generates electrical energy from mechanical vibrations. The generator includes a mechanically vibrating system having a spring system and device for changing the mechanical tension of the spring system. A method for adjusting the resonant frequency of the generator allows electrical energy to be generated...

07/28/11 - 20110181044 - Method and apparatus for improving power generation in a thermal power plant
A method and apparatus for improving power generation in a thermal power plant. A dynamic reactive compensation system is provided and is connected to a high voltage bus or a generator bus of the power plant. The dynamic reactive compensation system comprises power electronic devices and is operable to provide...

05/19/11 - 20110115222 - Vibration energy harvester for converting mechanical vibrational energy into electrical energy
A vibration energy harvester for converting mechanical vibrational energy into electrical energy, the vibration energy harvester comprising a device for generating electrical energy when subjected to mechanical vibration, and a current control circuit electrically connected to the device for providing a substantially constant output current at an electrical output of...

05/19/11 - 20110115223 - Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange
A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments of the invention, a motor-generator. The reversible air compressor-expander uses...

03/24/11 - 20110068576 - Method for early detection and anticipatory control of consumer-end load shedding in an electrical grid, and appartus for carrying out the method
A method for early detection and anticipatory control of consumer-end load shedding in a single-phase or polyphase electrical grid supplied with single phase or polyphase by at least one generator driven by at least one rotating machine includes measuring a current and a voltage between the at least one generator...

03/17/11 - 20110062708 - Generator control having power grid communications
A system is provided for controlling power generation. For example, the system may include a drive, an electrical generator coupled to the drive, and a controller coupled to the drive. The controller may include a stabilizing mode responsive to a utility signal representative of a grid destabilizing event....

03/10/11 - 20110057441 - Overload control of an electric power generation system
A control system for an electrical power generation system (EPGS) provides overload protection without disconnecting a generator of the EPGS from an excessive electrical load. Available engine power and current levels of the electrical load are continuously measured. A command voltage is calculated that corresponds to a voltage required to...

02/17/11 - 20110037260 - Portable mechatronical device for generating electric power
The device includes, in a housing, an actuator electrically connected to a battery for charging a portable item such as a mobile terminal. For a rotating actuator comprising a first member submitted to an oscillatory motion, for example a walker carrying the housing, and a second member making up at...

01/27/11 - 20110018264 - Energy conversion and accumulation device and relative method
An energy conversion and accumulation device, for the conversion of environmental energy into electric energy, includes a transducer, able to convert external environmental stress into an electric quantity, a storage element to accumulate and/or transfer the electric quantity to an electric device, a first switch element, activated in order to...

01/27/11 - 20110018265 - Power station system and method for operating
A combined-cycle power plant (10) has at least one power train (60) including a steam turbine (24) and a second generator (8) directly driven by the steam turbine (24) and generating alternating current, the output of which generator is connected to a power grid (21) having a given grid frequency...

01/13/11 - 20110006523 - Method and system for a more efficient and dynamic waste heat recovery system
The present invention relates to a method and system for a more efficient and dynamic waste heat recovery system in an automobile. The present invention includes a heat exchanger connected to a generator. The heat exchanger includes variable pitch impellers attached to and rotating a shaft. The pitch of the...

05/06/10 - 20100109323 - Device and method for converting energy
A device for transforming thermal energy to electric energy including a magnetic circuit including at least a portion made of a magnetic material, a temperature-varying device for varying the temperature in the portion made of the magnetic material alternately above and below a phase transition temperature of the magnetic material...

04/01/10 - 20100078938 - Method and apparatus for an electrical bus leveling unit
A method and apparatus for an electrical bus leveling unit are provided. The electrical bus leveling unit includes a first power supply configured to generate electrical energy having a first set of electrical parameters and a power converter electrically coupled to said power supply. The power converter is configured to...

02/25/10 - 20100045034 - Steam-based electric power plant operated on renewable energy
Wind or solar power may be converted to hydrogen in an electrolysis unit to produce hydrogen. A phase separator unit that operates by cavitation of the geothermal fluids removes gases from the source fluid. A pollution prevention trap may be used to remove solids and other unneeded constituents of the...

02/18/10 - 20100038907 - Power generation
In one aspect, power generation is accomplished by capturing off-gas from a wellhead of an oil producing well, sensing a change in pressure from which a change in available off-gas can be determined, and adjusting a torque supplied by a prime mover to a generator responsive to the change in...

12/31/09 - 20090322079 - Method for the operation and use of a converter
The converter is operated by a regulation device regulating the converter as an active audio frequency block. At least one audio frequency current of at least one specified audio frequency is detected. An AC current progression that is to be transmitted to the converter in the regulation device is determined,...

09/17/09 - 20090230680 - Power control system and method
This invention discloses a power control system comprising a prime mover and a generator driven by the prime mover. A control device is coupled with the generator to ascertain a change in speed of the generator and vary an output power of the generator according to the change. The control...

09/10/09 - 20090224539 - Distributed system of electrical generators utilizing wind driven natural motion of trees
A distributed system of electrical generators utilizing wind driven natural motion of trees comprises a novel energy producing system. The network of the generators, PRGs, derives torque from the back and forth swaying of neighboring trees. Cables, one set of cables for support and the other acting as a spring-tensioned...

09/10/09 - 20090224540 - Power control system and method
This invention discloses a power control system comprising a prime mover and a generator driven by the prime mover. A control device is coupled with the generator to ascertain a change in speed of the generator and vary an output power of the generator according to the change. The control...

09/10/09 - 20090224541 - Method and system for managing an electrical output of a turbogenerator
The entire right, title and interest in and to this application and all subject matter disclosed and/or claimed therein, including any and all divisions, continuations, reissues, etc., thereof are, effective as of the date of execution of this application, assigned, transferred, sold and set over by the applicant(s) named herein...