Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
10/2006
10/26/2006WO2006111428A1 Method for operating an inverter comprising an upstream step-up device
10/26/2006WO2006111074A1 Low harmonic current power regulating method and apparatus
10/26/2006US20060238176 Method for regulating the time constant matching in DC/DC converters
10/26/2006US20060238029 DC/DC power converter
10/26/2006DE102005019438A1 Electrical installation e.g. for electrical power distribution in buildings, enables work equipment to be isolated without interruption in electric installation
10/25/2006EP1715557A1 Power converter
10/25/2006EP1715354A2 Control system, method of protectively controlling electric power system and storage medium storing program code
10/25/2006EP1714370A1 Apparatus for connecting a prime mover driven alternator to a circuit with an existing alternating current
10/25/2006CN2831577Y Intelligence reactive power compensation controller
10/25/2006CN2831576Y Power saver
10/25/2006CN2831575Y Low voltage electrical network dynamic purifier
10/25/2006CN2831574Y Automatic matcher of wind generation
10/25/2006CN2831361Y Phase changed capacitor compensating cabinet
10/25/2006CN2831205Y Reactive power auto compensating control cabinet
10/25/2006CN1853335A Pwm cycle converter
10/25/2006CN1851998A Parallel-in inverter current control method adopting filter intermediate current feed-back
10/25/2006CN1851997A Distribution-type real-time voltage power-less optimized controlling method
10/24/2006US7127330 Business management system and method for a deregulated electric power market using consumer site anomaly detection
10/19/2006WO2006108890A1 Voltage sag generator device
10/19/2006WO2005052362A3 Renewable energy resources
10/19/2006US20060232254 Charging unit with a transmission unit
10/19/2006US20060232134 Reconfigurable backplane power distribution
10/19/2006US20060232132 System for and a ship having a system for connecting of shore power to the ship while docked
10/19/2006DE112004001744T5 PWM-Steuerumrichter PWM cycloconverter
10/18/2006CN2829211Y Power-supply filter circuit
10/18/2006CN2829177Y Transformer or loading zero line harmonic suppressor
10/18/2006CN2829163Y Intelligent combined box type transformer station
10/18/2006CN1848599A Conversion device with power factor correcting and DC-DC conversion function
10/18/2006CN1848585A Three-phase unified electric energy quality controller without isolation link
10/18/2006CN1848584A Apparatus for providing current loop for serial compensation equipment
10/17/2006US7123994 Power consumption management method
10/17/2006US7123495 Inverter controlled generator set
10/17/2006US7122917 Control arrangement and isolated power supplies for power electronic system
10/17/2006US7122916 Multi-unit power generation system for stand-alone and grid connected operation
10/12/2006WO2006106314A2 A zero power loss ac power transmission system
10/12/2006WO2006105879A1 Electrical low-voltage switchgear
10/12/2006WO2006105693A1 Converter transformers with self-coupling compensation and harmonic shielding
10/12/2006WO2006084294A8 Rectifier system for supply in a 3-phase network and rectifier unit for a 3-phase network
10/12/2006US20060229768 Electrical power distribution control methods, electrical energy demand monitoring methods, and power management devices
10/12/2006US20060229767 Method for calculating power flow solution of a power transmission network that includes unified power flow controllers
10/12/2006US20060226705 Hot insertion and extraction of power supply module
10/12/2006US20060226704 Load drive apparatus and method
10/12/2006DE102005017690A1 Kabeldurchführung Cable entry
10/12/2006CA2600539A1 Electrical low-voltage switchgear assembly
10/11/2006EP1711039A1 Multi-phase input ballast
10/11/2006CN2826792Y Cosine signal generator for power active filter
10/11/2006CN2826489Y Digitalized active regulation energy-saving device
10/11/2006CN1845440A Switch power supply quasi active power factor correction circuit
10/11/2006CN1845430A Load current quality regulator
10/11/2006CN1845416A Compensation process of reactive-load track compensation apparatus and its control software
10/11/2006CN1845415A Dynamic capacity compensation controller and its switching mode
10/11/2006CN1279691C Electric control energy saving device for oil pump unit
10/11/2006CN1279674C Motor-generator equipment
10/10/2006US7120520 Accumulator, consumption unit, and a generator; data processing; information exchange
10/10/2006US7119607 Apparatus and method for resonance reduction
10/10/2006US7119452 Voltage control for wind generators
10/05/2006WO2006037231A8 System and method of parallel loadflow computation for electrical power system
10/05/2006US20060221521 Electric circuit breaker
10/05/2006US20060220472 System for controlling and optimizing the emission of a catalytic combustor in a single-shaft gas turbine
10/05/2006US20060220468 Power converter with an adjustable output cable
10/05/2006DE112004002002T5 Gleichrichtungssystem zur Verbesserung der Qualität von Stromversorgungssystemen Detection system to improve the quality of power supply systems
10/05/2006DE102006012044A1 Generator switch for rotary generators has switching unit for controlling switching state of circuit breaker according to phases of load and alternating voltage supply source
10/04/2006EP1706937A1 Dc/dc converter and decentralized power generation system comprising a dc/dc converter
10/04/2006EP1706936A1 Decentralized power generation system
10/04/2006EP1236261B1 Voltage regulation of a utility power network
10/04/2006CN2824422Y Efficient energy-saving digital voltage regulator
10/04/2006CN2824402Y Programmable automatic FM load Regulating device for ship electric station
10/04/2006CN2824352Y Integrated multi-position power socket capable of eliminating computer radiation
10/04/2006CN1842237A Multi-phase input ballast with dimming and method therefor
10/04/2006CN1841877A Noise suppressor
10/04/2006CN1841876A Mixed THF based on symmetrical component method
10/03/2006US7117105 Method and apparatus for ground fault protection
10/03/2006US7117070 Power flow controller responsive to power circulation demand for optimizing power transfer
10/03/2006US7116013 Electronic power source voltage regulator with UPS function
10/03/2006US7116010 Control of small distributed energy resources
10/03/2006US7116007 Protecting medium voltage inductive coupled device from electrical transients
10/03/2006CA2302921C System for analysing reliability of an electrical distribution network
09/2006
09/30/2006CA2532235A1 Multi-phase input ballast with dimming and method therefor
09/28/2006WO2006100918A1 Electric power supplying apparatus
09/28/2006WO2006099722A1 Generator transient regulator
09/28/2006US20060214645 Frequency converter for high-speed generators
09/28/2006US20060214643 Wind power fed network
09/28/2006US20060214512 Power source and image forming apparatus
09/28/2006US20060214511 Combined modulator and MP3 player having socket power supply adapter and/or universal connector
09/28/2006US20060214509 Power supply including system interconnection inverter
09/28/2006US20060214507 Power line terminating circuit and method, and power line relay device
09/28/2006US20060214428 Wind farm
09/28/2006DE112004001647T5 Übertragung elektrischer Leistung von einer Primärseite zu einer Sekundärseite eines Umformers Transmitting electrical power from a primary side to a secondary side of a transformer
09/28/2006DE102005046919A1 Verfahren und Vorrichtung zur Zwischenspeicherung von aus Windkraft erzeugter elektrischer Windenergie Method and apparatus for caching of generated electricity from wind power wind turbine
09/27/2006EP1705793A2 Electrical installation for energy delivery to an electric network and its method of operation
09/27/2006CN2821994Y Intelligent protector without power compensation
09/27/2006CN2821993Y Active power filter for multiple circuit structure and control method
09/27/2006CN2821992Y Electric power even distributor for stairs lamp
09/27/2006CN2821991Y AC/DC distribution device for ship
09/27/2006CN2821834Y Improved switching switch of power factor correcting circuit
09/27/2006CN1838500A Electric power load regulating system and method
09/26/2006US7113075 Power supply methods and apparatus
09/26/2006US7112896 Power system with load matrix
09/24/2006CA2540936A1 A method and system for wide-range synchronization to alternating current power signals
09/21/2006US20060210851 Fuel cell power generating system with learning control