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)
10/2007
10/30/2007	US7289920 Method and apparatus for capture of grid characteristics corresponding to fluctuation events
10/30/2007	US7289888 Active filter and method for scheduling transistor bridge trigger times for each phase of power grid
10/30/2007	US7289325 Power converter cooling
10/30/2007	US7288921 Method and apparatus for providing economic analysis of power generation and distribution
10/25/2007	WO2007119855A1 Power converting device, and control method therefor
10/25/2007	WO2007118436A1 Method for monitoring the electrical energy quality in an electrical energy supply system, power quality field device and power quality system
10/25/2007	WO2007036573A3 Method for supporting electrical power systems meshed by means of high-voltage overhead power lines, and associated assembly
10/25/2007	US20070247878 "Low Loss Propulsion System"
10/25/2007	US20070247005 Apparatus and Method for inductive Power Transfer
10/24/2007	EP1848085A2 Modular bidirectional bus system for exchanging energy between modules
10/24/2007	CN200966003Y A rapid response type reactive power stepped compensation and balancing control device
10/24/2007	CN101060730A Arc furnace power supply device
10/24/2007	CN101060251A Energy-saving control device for beam pumping unit
10/24/2007	CN101060250A Outdoor low voltage feeder cabinet with the intelligent power factor compensator
10/24/2007	CN101060249A Hybrid power filter
10/24/2007	CN101060248A Static hybrid automatic voltage control method
10/24/2007	CN101060247A Power supply method for wireless transmission ecological environment digital monitor system
10/24/2007	CN101060246A Actuator power-saving device
10/24/2007	CN101060035A Wide value range decade capacitance box
10/23/2007	US7286918 Mobile energy management system
10/23/2007	US7286910 Installation for controlling power in an aircraft
10/18/2007	WO2007115893A1 Space-saving inverter with reduced switching losses and increased life
10/18/2007	WO2007115733A1 Energy supply device for a plurality of energy consumers connected thereto
10/18/2007	WO2006079053A3 Secure network cable switch apparatus
10/18/2007	US20070244603 Method of determination of a distribution of energy to a plurality of electrical loads and corresponding system
10/18/2007	US20070242402 Circuit protection system
10/18/2007	US20070241617 Output suppressing method of a plurality of dispersed power sources and dispersed power source managing system
10/18/2007	US20070241615 Switched outlet module and method therefor
10/17/2007	EP1844534A2 Method for retrofitting wind turbine farms
10/17/2007	CN200962527Y Intelligent multi-functional digital step-adjustment meter
10/17/2007	CN200962526Y Intelligent lighting power-saving device
10/17/2007	CN200962525Y Dynamic compensation controller of the coiling electromotor power factor
10/17/2007	CN200962524Y A power mixing filter capable of improving the filtering efficiency
10/17/2007	CN200962523Y Low-voltage dynamic power saver
10/17/2007	CN101055997A Digital allocation method of the electric power transfer system
10/17/2007	CN101055996A Control method and control system for optical voltage parallel network power generation based on the Z source power conversion
10/17/2007	CN101055995A Intelligent peak and valley time-division power saver
10/17/2007	CN101055994A Integrated control method for the combined network power generation and grid power active filtering
10/17/2007	CN101055993A Power network harmonic wave management method and device
10/17/2007	CN101055992A High-efficiency filtering compensation integration power saver
10/17/2007	CN101055991A 380V system active power filtering device
10/17/2007	CN101055990A United accident-prevention rehearse method for provincial and city power system
10/17/2007	CN101055989A Virtual grounding power transmission and distribution system
10/17/2007	CN101055283A Three-range current recording and balance analysis method and device
10/17/2007	CN100344042C Method for realizing driving and power generation by using harmonic wave and apparatus using same method
10/16/2007	US7283344 Electronic switch
10/16/2007	US7282814 Battery controller and method for controlling a battery
10/11/2007	WO2007113312A1 Device for supplying a plurality of loads from an electrical power feed network
10/11/2007	WO2007031357A3 Decentralized power supply device and method
10/11/2007	WO2007006565A3 Power control of a wind park
10/11/2007	US20070239477 Multi-utility energy control and facility automation system with dashboard having a plurality of interface gateways
10/11/2007	US20070236086 Circuit board
10/11/2007	DE102006015031A1 Verfahren zur Verringerung des Blindleistungsbedarfs eines grundfrequent getakteten netzseitigen Stromrichters im Leerlauf sowie bei geringer motorischer Belastung A method for reducing the reactive power requirement of a fundamental frequency clocked network-side converter in idle and at low motor load
10/11/2007	CA2650439A1 Device for powering a plurality of loads from an electrical power supply network
10/10/2007	EP1843444A2 Apparatus and Method for Controlling Power of Fixing Unit
10/10/2007	EP1842272A1 Distribution voltage land connection for ships
10/10/2007	CN200959518Y High-magnetic comprehensive electricity economizer
10/10/2007	CN101053137A Power control of an induction machine
10/10/2007	CN101053136A Management system for in-house power quantity sonsumed
10/10/2007	CN101051793A Megawatt direct driving type wind and electric joint-net current transformer
10/10/2007	CN101051751A Active power filter including power unit and its control method
10/10/2007	CN101051750A Voltage external fixed gradual control method for power autive filter
10/10/2007	CN101051749A Distributive analysis method of power system low frequency vibration
10/10/2007	CN101051748A Rotary electromagnetic type uniform tidal current controller
10/10/2007	CN100342611C Voltage variation compensator
10/09/2007	US7280938 Method for determining a negative sequence component
10/09/2007	US7280893 Business management system and method for a deregulated electric power market
10/09/2007	CA2351783C Electricity transfer station
10/06/2007	CA2649838A1 Electrical power distribution control systems and processes
10/04/2007	WO2007111541A1 A device and a method for control of power flow in a transmission line
10/04/2007	WO2007092503A3 System and method for remotely regulating the power consumption of an electric appliance
10/04/2007	US20070228843 Causing operation of load in alternate, reduced peak power mode
10/04/2007	US20070228837 Apparatus for and methods of polyphase power conversion
10/04/2007	US20070228836 Power generation system and method
10/04/2007	US20070228832 Power manager with selective load reduction
10/04/2007	US20070228830 Method and architecture for power management of an electronic device
10/04/2007	DE20221770U1 System für die Steuerung der Energieversorgung von Großsportstätten System for controlling the energy supply for major sporting venues
10/03/2007	EP1841050A2 Method of converting a DC voltage into a three-phase voltage
10/03/2007	EP1841037A2 System, method, and article of manufacture for determining parameter values associated with an electrical grid
10/03/2007	EP1841036A2 System, method and article of manufacture for controlling operation of an electrical power generation system
10/03/2007	EP1840479A1 Domestic heat and power generation system
10/03/2007	EP1839257A1 Reducing the cost of distributed electricity generation through opportunity generation
10/03/2007	EP1660821B1 Domestic heat and power generation system
10/03/2007	CN200956517Y Three-phase inter-supplement power saver
10/03/2007	CN200956516Y UPS device for underground leakage test
10/03/2007	CN101048592A Method and device for preventing releasing from electric net in power plant
10/03/2007	CN101047317A Digital synchronous indication, control method for ship power station generator
10/03/2007	CN101047316A System, method, and article of manufacture for determining parameter values associated with an electrical grid
10/03/2007	CN101047315A System, method, and article of manufacture for controlling operation of power generation system
10/03/2007	CN101047285A Bus groove transmission device and multi-layer bus groove electric connection method
10/03/2007	CN100341222C 一种电能质量调节器 POWER QUALITY regulator
10/02/2007	US7276817 Output voltage control apparatus for vehicular AC generator
10/02/2007	US7276812 Method and device for non-contact energy transmission
10/02/2007	US7276811 Submarine power feeding system having submarine feeding cables and power feeding branching devices
09/2007
09/27/2007	WO2007108427A1 Voltage regulator
09/27/2007	WO2006105879A9 Electrical low-voltage switchgear
09/27/2007	US20070223723 Combination low voltage speaker / light fixture
09/27/2007	US20070222298 High efficiency lighting system
09/27/2007	US20070222295 System and method for power load management
09/27/2007	US20070222294 Underfrequency Load Shedding Protection System

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