H02J 3 - Circuit arrangements for ac mains or ac distribution networks

Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
09/2006
09/21/2006	US20060208916 Components for gas sensor device
09/21/2006	US20060208742 Power line carrier communication system and its communication device, and method for constructing power line carrier communication system
09/21/2006	US20060208571 Energy network using electrolysers and fuel cells
09/21/2006	US20060208567 Transmitter with a remote unit in an electric net data transmission system
09/20/2006	EP1703614A2 Power conditioner
09/20/2006	EP1702392A1 A method and a device for selecting and dimensioning measures in case of instability in an electrical power system
09/20/2006	EP1482617B1 Power generator and system comprising it
09/20/2006	EP0888659B1 Customer side power management system and method
09/20/2006	CN2819585Y Automatic reactive compensated controller
09/20/2006	CN2819584Y Automatic voltage ractive adjuster of substation
09/20/2006	CN2819583Y Electronic energy saver
09/20/2006	CN1836366A Method and inverter for supplying alternating current to a network
09/20/2006	CN1835332A Photovoltaic converter with functions of disconnecting net, connecting net, charging control and regulating power
09/20/2006	CN1835324A Electric network reactive compensator and method thereof
09/20/2006	CN1835323A Power consumption system energy saver for office and enterprise
09/19/2006	US7111195 Method and system for external clock to obtain multiple synchronized redundant computers
09/19/2006	US7110832 Energy management system for an appliance
09/19/2006	US7110273 Inverter controlling method
09/19/2006	US7109605 Electric load apparatus, method for processing abnormality, and computer readable recording medium recording program for causing computer to execute processing of abnormality in electric load apparatus
09/19/2006	US7109604 Device for distributing electrical energy and method for monitoring the distribution of energy
09/19/2006	US7109602 Contactless power supply system and branch box used therefor
09/19/2006	CA2242368C Switching control arrangement for multilevel convertor
09/14/2006	WO2006094952A1 Twelve-pulse high-voltage direct current transfer
09/14/2006	US20060206240 System and method for managing and optimizing power use
09/14/2006	US20060203897 Power-line carrier communication apparatus
09/14/2006	US20060202854 Extremely fast polling method for determining the presence of individual electric meters on a power line
09/14/2006	US20060202673 Method and system for feeding electrical energy into an alternating current electrical mains
09/14/2006	US20060202557 Automatic sensing power systems and methods
09/14/2006	US20060202556 Control device for automatic machine
09/14/2006	DE102005012371A1 Zwölfpuls-Hochspannungsgleichstromübertagung Twelve-pulse high-voltage direct-current meeting
09/13/2006	EP1701436A1 Converter circuit
09/13/2006	EP1701425A2 Voltage regulation of a utility power network
09/13/2006	CN1832296A Automatic input device and control method for emergency power supply of bus for middle-low voltage section factory
09/13/2006	CN1832291A Terminal energy-saving controller
09/13/2006	CN1832290A High-efficient energy-saving power supply method and control system
09/13/2006	CN1832289A Neutral harmonic current managing device and control method thereof
09/13/2006	CN1831301A Turbogenerator
09/13/2006	CN1831300A Turbogenerator
09/13/2006	CN1275371C Automatic even current adjustor for parallel operated variable current power case
09/12/2006	US7106564 Devices and methods for detecting islanding operation of a static power source
09/12/2006	US7105952 Distributed floating series active impendances for power transmission systems
09/12/2006	US7105949 Emergent power supply system and method of achieving input current balance in such system
09/12/2006	US7105948 Apparatus for the voltage maintenance of an electrical AC voltage supply network and method for operating such an apparatus
09/12/2006	US7105947 Method and system for voltage tracking and sequencing in a power supply
09/12/2006	US7105946 Distributed power generation system, and power supply system and power supply method utilizing the same
09/08/2006	WO2006092067A1 Managing congestion in an electrical power transmission network
09/07/2006	US20060198169 Control method for voltage boosting circuit
09/07/2006	US20060197387 Network power splitter for supplying power from a network to a portable electronic device
09/07/2006	US20060197382 Hybrid power supply and power management method thereof
09/06/2006	EP1698834A1 Power load control system and control method for multi-unit air conditioners
09/06/2006	EP1698034A1 Method and apparatus for power inverter synchronization
09/06/2006	EP1509825A4 Valuing and optimizing scheduling of generation assets
09/06/2006	CN2814763Y Electricity economizer
09/06/2006	CN1830128A Method for determining a charge characteristic indicating electric primary components
09/06/2006	CN1829036A Method and apparatus for carrying out combining-net using voltage control type inverter
09/06/2006	CN1829035A Building electric fire hidden trouble alarm power distribution method and its circuit
08/2006
08/31/2006	WO2006090672A1 Power converter
08/31/2006	WO2006090538A1 System stability control method and system for electric power system
08/31/2006	WO2006089989A1 Method and device for injecting reactive current during a mains supply voltage dip
08/31/2006	DE102005005228A1 Verfahren sowie Vorrichtung zur Bestimmung eines Schaltzeitpunktes eines elektrischen Schaltgerätes A method and device for determining a switching time for an electrical switching device
08/31/2006	CA2593971A1 Independent automatic shedding branch circuit breaker
08/30/2006	EP1695434A1 Converter circuit with two partial converters
08/30/2006	EP1442473A4 Alternating current photovoltaic building block
08/30/2006	EP1171946B1 High frequency switch-mode dc powered computer system
08/30/2006	CN2812373Y Reactive power automatic compensator for mine
08/30/2006	CN2812372Y Integrated electric power filter
08/30/2006	CN1826704A Fuel cell generation system
08/30/2006	CN1825731A Apparatus and method for operating controlling of multi-electric power usage system, program and storage medium
08/30/2006	CN1272680C Digital type protective controller
08/29/2006	US7099784 Method and apparatus for preventing overloads of power distribution networks
08/29/2006	US7098773 Power line communication system and method of operating the same
08/29/2006	US7098558 Starting circuit for power-converting apparatus
08/29/2006	US7098555 Intelligent power distribution management for an on-board galley of a transport vehicle such as an aircraft
08/24/2006	WO2006088509A2 Vanadium redox battery energy storage and power generation system incorporating and optimizing diesel engine generators
08/24/2006	WO2006087602A2 Power supply control
08/24/2006	US20060188764 Fuel cell generation system
08/24/2006	US20060187023 PLC breaker bridge
08/24/2006	US20060187021 Automotive gauge system using a power line carrier
08/24/2006	US20060187015 Method and apparatus for communicating control and other information over a power bus
08/24/2006	DE19654161B4 Leistungsfaktor-Korrekturschaltung Power factor correction circuit
08/24/2006	DE102005006336A1 High frequency harmonic computing method for overhead line network, involves dividing complete overhead line section into multiple sections, where each section is represented as multi-pole and is described in matrix equation
08/24/2006	CA2585864A1 Vanadium redox battery energy storage and power generation system incorporating and optimizing diesel engine generators
08/23/2006	EP1692758A2 Universal three phase controllers for power converters
08/23/2006	CN2810006Y Distributed reactive compensator
08/23/2006	CN2810005Y Reactive integrated automatic voltage adjuster for power distribution
08/23/2006	CN1822466A Active power filtering method and its device based on alpha-beta current component directly injection
08/23/2006	CN1822465A Automatic tracking tuning filter
08/23/2006	CN1822464A Control for integrating compressor-turbine-motor train with power grid
08/23/2006	CN1271784C Controllable silicon triggering circuit for equipotential switching of capacitor
08/23/2006	CN1271770C Secondary low-voltage compensator for electric furnace
08/23/2006	CN1271330C Method for operating a wind energy plant
08/22/2006	US7096175 Stability prediction for an electric power network
08/22/2006	US7096165 Method for configuring an electrical installation and corresponding configuration device
08/22/2006	US7095213 Multifunctional complex power supply device
08/22/2006	US7095139 Transformer inrush current elimination system
08/22/2006	US7095138 Controller for plural supplies driving single load
08/22/2006	US7095134 Error recognition for power ring
08/17/2006	WO2006085406A1 Building energy management system
08/17/2006	WO2006084294A1 Rectifier system for supply in a 3-phase network and rectifier unit for a 3-phase network
08/17/2006	US20060184287 System and method for controlling power to resources based on historical utilization data

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