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8093749 |
Sharing redundant power supply modules among physical systems
A system may include a switchover element configurable to source or sink power from or to an electronic device electrically coupled to the switchover element and a controller in communication with...
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8072093 |
Intelligent power system
An intelligent power system includes one or more common power sources and one or more subsystem components interconnected with the common power sources. Each common power source includes an...
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8041466 |
Method for operating a wind turbine connected to a utility grid during a utility disturbance, wind turbine and wind park
The invention relates to a method for operating a wind turbine connected to a utility grid during a utility grid disturbance. The method comprises the steps of controlling active current in...
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8022570 |
Systems and methods for lighting control in flight deck devices
Systems and methods for illuminating flight deck devices are disclosed. In one embodiment, a flight deck panel illumination system includes at least one illuminated panel having at least one...
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8004111 |
DC-DC switching cell modules for on-board power systems
A DC-DC switching cell module includes a switch, a rectifier, an output filter coupled to the rectifier, and an input port for receiving an external PWM control signal from a controller. The...
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7989980 |
Portable self regenerating power system
An energy storage system, more particularly to a power distribution system for providing power for an indeterminate period of time. The power distribution system comprises means for converting the...
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7970518 |
Method and system for keyless machine operation
The keyless power system has an ignition system including an ignition switch having an “OFF” position and one or more electrical components associated with a work machine. The keyless power sys...
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7952224 |
Power supply system, vehicle including the power supply system, control method for power supply system, and computer-readable recording medium having program recorded thereon for computer to execute the control method
A discharge share ratio calculation unit (52) calculates, for each power storage device, a remaining electric power quantity before an SOC is reached with respect to which an allowable discharge...
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7944082 |
Connection module for providing N+N and M+1 redundant power distribution
A device may include an interconnect module that includes a number of ports, where each port is configured to receive both an alternating current (AC) power supply and a direct current (DC) power...
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7944083 |
Method and apparatus for characterizing a circuit coupled to an AC line
A method and apparatus for characterizing a circuit coupled to an AC line. The apparatus comprises a consumption measurement unit (CMU), adapted for coupling, independent of voltage and current...
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7939962 |
System and method for supplying power to user systems onboard an aircraft
The invention relates to a power supply system for several user systems onboard an aircraft. This system comprises at least two power supply electronics (10, 11) and means of connecting these at...
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7932637 |
Control of small distributed energy resources
A method includes operating a microsource in a grid mode in which the microsource is connected to a utility grid. The microsource is located in a microgrid and is configured to deliver a power P1...
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7872367 |
Method and device for redundantly supplying several electric servomotors or drive motors by means of a common power electronics unit
A method and a device for redundantly supplying several electric servomotors or drive motors by a common power electronics unit, particularly in an aircraft, wherein the power electronics unit...
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7863772 |
Balancing current drawn from multiple power supply inputs using multiple-input inductors
Novel techniques for balancing current drawn from multiple power supply inputs. A multiple-input inductor is coupled between the power supply inputs and the switching circuits associated with the...
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7830035 |
Power supply unit
The power supply unit has a sample-and-hold circuit that samples a voltage supplied from a power source to a load according to a sample timing signal and holds the voltage as an output set value...
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7825536 |
Intelligent power system
An intelligent power system includes one or more common power sources and one or more subsystem components interconnected with the common power sources. Each common power source includes a...
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7808123 |
Power supply system, multiple dwelling, and computer program
A power supply system for supplying power to a plurality of loads includes a plurality of fuel cells for generating and supplying power to be supplied to the respectively corresponding loads,...
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7800248 |
Backup power system
The subject matter of the invention is a backup power system configured to be a UPS system, with a customer generation system and with a network monitoring device with a switch topology including a...
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7800245 |
Method and architecture for reduction in vehicle wiring
Systems and methods perform power conversion and distribution. A system for power conversion and distribution, according to one embodiment comprises: a first generator substation (70) receiving...
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7768150 |
Power management unit for battery-operated devices
A power management unit for a battery-operated electronic device having a bus interface for the interconnection with another electronic device, the power management unit including an electric...
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7737577 |
Power supply system and method on board an aircraft
A system and a power supply method, on board an aircraft, in which the power supply system of an aircraft includes several generators powering with 230 volts A.C. several distinct electrical cores,...
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7701082 |
Aerospace electrical power DC subsystem configuration using multi-functional DC/DC converter
An apparatus for regulating voltage and aerospace electrical power systems are implemented. A multi-functional apparatus for regulating voltage, according to one embodiment, comprises: a DC to DC...
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7671484 |
Device for controlling power transfer between two cores of a direct current network
A device for controlling power transfer between two cores of a direct current network, in which the cores, which are source-charge interconnection nodes, include protective and contact members,...
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7634079 |
Telephone terminal and method for supplying power to the same
A telephone terminal includes: a main unit; an optional unit that performs an arbitrary additional communication function and detachably attached to the main unit; a distribution unit that...
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7602075 |
Systems, methods and apparatuses for a wind turbine controller
The disclosure describes implementations of methods, systems and apparatuses that are configured to facilitate normal operating characteristics for a wind turbine during normal operation, as well...
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7602080 |
Systems and methods to balance solar panels in a multi-panel system
Systems and methods to balance currents among a plurality of photovoltaic units connected in series. In aspect, a management unit is coupled between a photovoltaic energy production unit and a...
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7573152 |
Power sequencing circuit
The present invention provides a self-contained power management device, such as a power management IC or an IC including power management functions, which allow sequenced start up of power...
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7545055 |
Multi-pair aggregate power distribution
Apparatus and method for transmitting over non-adjacent multiple conducting pairs and aggregating powers from the conducting pairs to power remote electronic devices at an end station include, at a...
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7545053 |
Power supply and power supply method upon interruption of electric service
A power supply system includes a power line for supplying power from a distributed power source to a load upon interruption of electric service from a power system, the load being supplied with...
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7541690 |
Signal transmission method, signal transmission device, and liquid crystal projector
A signal transmission method for transmitting a signal between a regulated power supply unit that operates and controls a high intensity discharge lamp and a setting unit that gives various kinds...
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7521820 |
Electrical apparatus system
An electrical apparatus system includes a depilator (first electrical apparatus) that depilates body hair, a cleaning apparatus (second electrical apparatus) that cleans the depilatory and an AC...
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7518262 |
Power supply system, multiple dwelling, and computer program
A power supply system for supplying power to a plurality of loads includes a plurality of fuel cells for generating and supplying power to be supplied to the respectively corresponding loads,...
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7518266 |
Method and apparatus for improving AC transmission system dispatchability, system stability, and power flow controllability using DC transmission systems
An electric power transmission system that isolates a local AC transmission network from a surrounding AC system includes a local AC load center having a plurality of local AC loads, and a...
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7498689 |
Power supply device for vehicle
A power supply device for vehicles is disclosed, which device includes a backup unit to the power supply as an auxiliary power supply employing a capacitor unit formed of plural capacitors. The...
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7495355 |
Method and system for providing auxiliary power for anesthesia delivery and patient monitoring
The present invention is a method and system for providing auxiliary power to an integrated anesthesia delivery and patient monitoring system. When AC main power is unavailable or inadequate to...
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7489051 |
Adaptive power system with improved efficiency and distribution space reduction
The present disclosure provides a method and system using a power protector, such as an uninterruptible power supply (power protector) or a power line conditioner. An input of the power protector...
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7394167 |
Express power load center
A power load center comprises a first terminal block adapted to receive multiple high voltage DC power feeder pairs, a protector block adapted to receive the multiple high voltage DC power pairs...
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7394169 |
Power distribution system
A power distribution system and method may include a first power domain having a first plurality of power rails, a second power domain having a second plurality of power rails, where the first...
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7388303 |
Stand-alone electrical system for large motor loads
An electrical power system that can be used to interconnect a plurality of generators to a plurality to loads while being rated at less than a total power consumed. The system is preferably used to...
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7362005 |
Isolated dual battery system
An isolated dual power source system for isolating a first power source of a vehicle, connected to an engine starter, from a second power source of the vehicle which has an electrical circuit for...
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7301309 |
Method and device for providing the supply voltage for the loads of a vehicle on-board electrical system, using a plurality of generators
A method and a device for providing the supply voltage for the loads of a vehicle on-board electrical system, using a plurality of generators. A regulator unit having at least one output stage...
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7287389 |
Feeding energy to a gas terminal from a ship for transporting liquefied gas
The invention relates to feeding a gas terminal with energy from a ship transporting liquefied gas while said liquefied gas is being transferred between a tank of the ship and a tank of the gas...
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7285873 |
Inverter and bi-directional converter
The present invention concerns a device that combines the functionality of an inverter and a bi-directional converter. The device provides, on a number of identical channels, transformation of a DC...
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7276811 |
Submarine power feeding system having submarine feeding cables and power feeding branching devices
A submarine power feeding branching device comprises a constant current-constant current converter which isolates an input side for a trunk submarine cable from an output side for a branch...
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7259474 |
Method and apparatus for aggregating power from multiple sources
A method and apparatus for aggregating power from multiple sources generates a single direct current regulated voltage. The apparatus comprises a plurality of slave voltage converters and a master...
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7194338 |
Voltage collapse diagnostic and ATC system
An analysis method for an electrical power system whereby the plurality of buses are grouped into agents, family lines of agents and families of agents based on the reactive reserves depleted when...
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7183667 |
Method and apparatus for power inverter synchronization
A control circuit synchronizes an ac power inverter to the mains voltage of an electrical grid by matching the fundamental phasor components of the inverter's output voltage to the fundamental...
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7154722 |
Loop control for distribution systems
The invention contemplates a technique for providing loop control on a faulted overhead or underground loop system, while preventing restored current from being fed or back fed into the fault. In...
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7151326 |
System and method for safely and efficiently capturing power currently produced by already available power supplies to power electrical devices in a truck while its engine is turned off
The present invention is directed to an electrical system and method for providing power to a truck's cab while the truck's engine is turned off. An already available primary power supply of the...
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7105946 |
Distributed power generation system, and power supply system and power supply method utilizing the same
A plurality of distributed power generation systems are connected via the Internet to a managing apparatus in a managing company. A power company communicates with the managing apparatus via...
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