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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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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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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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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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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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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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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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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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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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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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7053501 |
Multi-pair aggregate power distribution
Apparatus and methods for transmitting power over non-adjacent multiple conducting pairs and aggregating power from the conducting pairs to power a remote electronic device. In an embodiment, the...
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6900556 |
Power load-leveling system and packet electrical storage
A large-scale, capacitor-based electrical energy storage and distribution system capable of effectuating load-leveling during periods of peak demand on a utility, and of effectuating a cost savings...
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6849962 |
Ground based aircraft electrical power generation system having a voltage regulator that selects from multiple points of regulation
A ground-based aircraft electrical power generation system for regulating the electrical power to an aircraft being serviced on the ground. The aircraft electrical power generation system may...
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6754835 |
Method and system for providing power fault tolerance in a network of chained computer systems through bidirectional links
A method and system for providing computer system for use in a network having a plurality of computer systems linked in a chain is disclosed. The method and system include providing a power supply,...
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6750851 |
Multi-purpose radio T/R system
A multi-purpose radio transmission/reception (T/R) system includes a radio peripheral (PH 200 ) and a multi-purpose transmission/reception device (H 100 ) for executing one-way radio reception or...
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6639331 |
Parallel generator power system
A system for connecting one of a plurality of parallel connected generator sets to a common bus. The system includes a separate module associated with each of the plurality of generator sets. When...
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6597978 |
Method for controlling an automatic transmission
A method is proposed for controlling an automatic transmission driven by a prime mover in which a shift from a first transmission ratio to a second transmission ratio occurs in the form of a pull...
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6355990 |
Power distribution system and method
A power distribution system and method, including a direct-current current source which is commutated among a number of distribution circuits which function as independent and modular power...
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6329725 |
Systems and methods for utilizing excess electric power from a marine transportation vessel
Systems and methods are provided for delivering excess electric power to an electric power grid from a marine transportation vessel while said marine transportation vessel is at port.
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6313693 |
Voltage ratio control circuit for use during power transitions
An electronics module (FIG. 1, 30) requires two distinct voltage inputs (V 1 , V 2 ) and can be damaged when the difference between the two voltages exceeds a maximum value during power up....
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6208038 |
Electrical load management method and apparatus for a vessel
A control system for a vessel utilizes a first and second power source to supply a first and second electrical load on the vessel. Each of the power sources is connected to its particular load and...
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6150736 |
Redundant electrical power source, distribution and consumption system
A system for distributing continuous, uninterrupted power to one or more critical, interdependent electrically powered devices comprising at least one power source; and at least first and second...
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6066897 |
Automatic load distributing apparatus for generator and method of controlling same
An automatic load distributing apparatus for generators is of simple construction and occupies a small space and can automatically distribute loads evenly on respective engines upon parallel load...
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6037752 |
Fault tolerant starting/generating system
A power conversion system allows for redundant starting and generating functions together with fault tolerant operation through the multiple use of power conversion equipment.
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6026349 |
Energy storage and distribution system
An energy storage and distribution system provides energy from a first energy related infrastructure characterized by a first energy grid to a second energy related infrastructure characterized by...
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5977658 |
Voltage doubling alternating current power supply
An alternating current power supply for providing a high-voltage alternating current power output from a first low-voltage alternating current power source and a second low-voltage alternating...
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5917250 |
Isolation circuit and verification controller for a power supply and power plant employing the same
An isolation circuit for use in a power plant having a first power supply that powers a first load and a second power supply that powers a second load. The first and second power supplies are...
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5861684 |
Flexible implementation of distributed DC power
A DC power distribution system can be configured to utilize a variable number of AC power distribution units. Installation of a converter unit in place of a PDU and resetting of associated switches...
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5801961 |
Power management system for a semiconductor processing facility
Semiconductor processing tools in a semiconductor processing facility are coupled to communicate with a power management system. The power management system monitors the power consumption status of...
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5780980 |
Electric car drive system provided with hybrid battery and control method
In an electric car drive system having a car drive motor powered by a mounted direct current power supply, a control system including a signal generating means is provided to generate signals which...
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5736951 |
High speed and high accuracy A/D converter
An analog-to-digital converter comprises the following elements. A reference voltage generation circuit is provided for dividing a reference voltage into a plurality of divided reference voltages...
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5642005 |
Method for interconnecting two synchronous polyphase AC networks and interconnecting apparatus for the same
The method of interconnecting first and second synchronous polyphase AC networks is for regulating transfer of active power from one of the AC networks to the other. The method involves the steps...
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5642006 |
Synchronizing device
A synchronizing device for a parallel connection of a synchronous generator and an a.c. network. The device includes a measuring circuit for measuring the voltage and frequency of the generator and...
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5638295 |
Transfer switch system with subnetwork
A transfer switch system includes a controller which sends separately timed restart signals over a communications network to an addressable relay associated with each load in order to sequentially...
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