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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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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.
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....
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...
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...
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...
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.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
Matches 1 - 50 out of 94 1 2 >