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)
12/2004
12/30/2004	US20040263122 Electronic apparatus and power control method
12/30/2004	US20040263116 Intelligent distributed energy storage system for demand side power management
12/30/2004	US20040262997 Backup power management system and method of operating the same
12/30/2004	US20040262996 Phase conversion device with built-in demand reduction / power boosting.
12/29/2004	WO2004114496A1 Electrical appliance energy consumption control methods and electrical energy consumption systems
12/29/2004	WO2004114495A1 Frequency based power monitoring and management
12/29/2004	WO2004114493A2 Wind farm
12/29/2004	EP1490941A1 Energy management system and method
12/29/2004	EP1490701A1 Method for determining a negative sequence component
12/29/2004	CN1559097A Method for operating a wind park
12/29/2004	CN1182641C Electric machine
12/29/2004	CA2791889A1 Frequency based power monitoring and management
12/29/2004	CA2520765A1 Frequency based power monitoring and management
12/28/2004	US6836099 Electrical power conservation apparatus and method
12/28/2004	US6835481 Fuel cell system with load management
12/23/2004	WO2004111389A1 System and method for transmitting electric power into a bore
12/23/2004	US20040260489 Energy management system in a power and distribution system
12/23/2004	US20040260430 Automatic generation control of a power distribution system
12/23/2004	US20040257858 Dynamic economic dispatch for the management of a power distribution system
12/23/2004	US20040257840 Power converter cooling
12/23/2004	US20040257730 Power supply method and power supply system
12/23/2004	US20040257059 Method of dynamic economic dispatch
12/23/2004	US20040256916 Switching assembly
12/22/2004	EP1489714A1 Detecting electromechanical oscillations in power systems
12/22/2004	EP1488491A1 A power distribution/generation system
12/22/2004	CN2666011Y Low pressure reactive power dynamic phase-splitting compensator with filtering function
12/22/2004	CN2666010Y Device for eliminating harmonic
12/22/2004	CN2666005Y Device for protecting, observing and controlling electric load equipment
12/22/2004	CN1557044A Power converter
12/22/2004	CN1556578A Parallel synchronous phase locking method of uninterrupted power source
12/22/2004	CN1556572A Control method of series mixed active power filter having base wave by-pass channel
12/21/2004	US6833635 Dual input DC-to-DC power converter
12/16/2004	WO2004109914A1 A method and a system for automatic management of demand for non-durables
12/16/2004	WO2004109890A1 Generator system
12/16/2004	WO2004109832A1 Fuel cell power generating system with learning control
12/16/2004	WO2004068162A3 System and method for identifying and location an acoustic event (sniper)
12/16/2004	WO2003017405A3 Systems for and methods of providing primary, auxiliary or backup power to one or more loads
12/16/2004	US20040254899 Electric power trading support system
12/16/2004	US20040254688 Electrical power distribution control methods, electrical energy demand monitoring methods, and power management devices
12/16/2004	US20040254654 Electrical appliance energy consumption control methods and electrical energy consumption systems
12/16/2004	US20040252525 Method and apparatus for disconnecting an electrical generator from the electricity supply
12/16/2004	CA2528045A1 A method and a system for automatic management of demand for non-durables
12/15/2004	EP1487079A2 Energy management device
12/15/2004	EP1485978A2 Separate network and method for operating a separate network
12/15/2004	EP1039621B1 Photovoltaic power generation device
12/15/2004	CN2664253Y Radio frequency interference suppressing filter for household electric washing machine
12/14/2004	US6832169 Substation system
12/14/2004	US6832167 Method of the identification of weak and/or strong branches of an electric power transmission system
12/09/2004	WO2004107543A2 Power converter for a solar panel
12/09/2004	US20040249876 Method for determining RMS values for grid-linked converters
12/09/2004	US20040249775 Very short term load prediction in an energy management system
12/09/2004	US20040249516 Energy management device
12/09/2004	US20040246643 Very short term load prediction
12/09/2004	CA2431467A1 System and method for optimizing the cost of buying and selling electrical energy
12/08/2004	CN2661954Y Wattless dynamic automatic compensation device for wind power generator
12/08/2004	CN1553553A Rectification transformers with self coupling compensation and resournace shield
12/07/2004	CA2304882C Power distribution network incorporating a voltage support transformer and process of use
12/02/2004	WO2004023622A8 System of super super decoupled loadflow computation for electrical power system
12/02/2004	WO2003075126A3 One wire self referencing circuits for providing power and data
12/02/2004	US20040243377 Real time power flow method for distribution system
12/02/2004	US20040240244 Parallel operating system for uninterrupible power units
12/02/2004	US20040240242 Integrated power supply apparatus for information appliances
12/02/2004	US20040239302 Method and structure for active power supply control and stabilization
12/02/2004	DE202004014639U1 Motor vehicle with high power generator such as battery or fuel cell has a power interface connection to the outside of the vehicle for external power supply
12/02/2004	CA2526544A1 Methods and apparatus for control of inductively coupled power transfer systems
12/01/2004	EP1482618A1 Power source switching unit and power source management system comprising it
12/01/2004	EP1482617A1 Power generator and system comprising it
12/01/2004	EP1482616A1 Setting device of distributed energy supply system
12/01/2004	CN2660762Y Reactive power dynamic automatic compensator
12/01/2004	CN2660761Y Net distribution and automation terminal having regulatable phase sequence
12/01/2004	CN1551475A Power supply system and air conditioning device
12/01/2004	CN1178360C Ac transmission system
12/01/2004	CN1178344C Power source system switching device
11/2004
11/30/2004	US6826061 Off-line non-step voltage regulation uninterruptible power supply
11/30/2004	CA2340492C Electric service load limiter
11/25/2004	WO2004102766A1 Power distribution system
11/25/2004	US20040236659 Method and apparatus for an engine system supporting transactions, schedules and settlements involving fungible, ephemeral commodities including electrical power
11/25/2004	US20040236526 Substation system
11/25/2004	US20040233688 Power converter
11/25/2004	US20040232894 Hybrid AC / DC system for electric power transmission
11/25/2004	US20040232768 Portable electronic device for receiving power over a network
11/24/2004	EP1479149A1 Circuit protection system
11/24/2004	EP1479147A2 Method and apparatus for ground fault protection
11/24/2004	EP1479145A2 Integrated protection, monitoring and control system
11/24/2004	EP1479144A2 Method and system for external clock to obtain multiple synchronized redundant computers
11/24/2004	EP1478985A1 Data sample and transmission modules for power distribution systems
11/24/2004	EP1478984A1 Method and system for conditionally triggered system data capture
11/24/2004	EP1478983A1 Protection system for power distribution systems
11/24/2004	EP0919077A4 High efficiency lighting system
11/24/2004	CN2659000Y Power transformer capable of dynamic reactive compensation
11/24/2004	CN2658999Y Power transformer capable of filtering
11/24/2004	CN1549417A Method and apparatus for primary and secondary corresponding electric power generator group reactive power compensation
11/24/2004	CN1549071A Control circuit for electric refrigerator
11/23/2004	US6822363 Electromagnetic device
11/23/2004	CA2210943C Control arrangement and method for high-speed source-transfer switching system
11/18/2004	WO2004100348A1 Power supply circuits
11/18/2004	WO2004100337A1 Power supply including system interconnection inverter
11/18/2004	US20040227406 Centralized AC/DC converter for collections of similar servers or other multiple individual electronic units
11/18/2004	CA2744948A1 Operating method for a wind park
11/17/2004	EP1478075A2 Very short term load predictor

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