Patents for H02J 4 - Circuit arrangements for mains or distribution networks not specified as ac or dc (1,909)
04/2005
04/12/2005US6879477 Power switching device in an electrical power distribution system on board a helicopter
03/2005
03/30/2005CN1601848A Digital dummy method of power system
03/29/2005US6873063 Electrical power distribution suitable for a substantially underwater system
03/08/2005US6864600 Apparatus and method for providing multiple power supply voltages to an integrated circuit
03/03/2005US20050046396 Inter-regulator control of multiple electric power sources
03/02/2005EP1511151A2 Inter-regulator control of multiple electric power sources
02/2005
02/16/2005CN2679905Y Dynamo energy saving controller of electric cltohes vehicle
02/10/2005DE10331823A1 Schiffs-Energieversorgungs- und -verteilungsanlage Ship Supply and distribution installation
01/2005
01/26/2005CN1571239A Line concentration system for uniform power supply
01/19/2005EP1498997A2 Power supply and distribution for a ship
01/19/2005CN2672935Y Real time monitor for small hydropower station
01/19/2005CN1185421C Power changing system for two-way changing between hydraulic energy and electric energy
01/12/2005EP1495379A1 Measuring device used in process technology, comprising a central power supply unit
11/2004
11/24/2004EP0919077A4 High efficiency lighting system
11/24/2004CN2659001Y Switch power-supply monitoring board based on CAN bus
11/09/2004US6815931 Marine charge source switching system
10/2004
10/13/2004CN1171369C Modular power management system
10/07/2004US20040199478 Energy and power interchange system and its method
10/06/2004CN2646930Y A power feeding equipment
08/2004
08/17/2004US6778921 Modular architecture for industrial power delivery system
08/17/2004US6778414 Distributed system and methodology of electrical power regulation, conditioning and distribution on an aircraft
08/12/2004WO2004052073A3 Optimal feeder design in distribution system planning
07/2004
07/08/2004US20040130215 Submarine power feeding branching device for submarine power feeding system having submarine feeding cables arranged in mesh pattern
06/2004
06/30/2004CN1508936A Method for preventing cut-joff equipment power source from unlicensed opening
06/24/2004WO2004052073A2 Optimal feeder design in distribution system planning
06/24/2004US20040119454 Distributed system and methodology of electrical power regulation, conditioning and distribution on an aircraft
06/17/2004US20040117077 Electrical system for a ship
06/10/2004US20040109374 Failure tolerant parallel power source configuration
06/02/2004CN1502158A Electrical system for a ship
05/2004
05/25/2004CA2207989C Multicurrent traction chain and its implementation process
05/19/2004CN1498450A Energy system for watercraft
05/18/2004US6738692 Modular, integrated power conversion and energy management system
04/2004
04/15/2004US20040070284 Marine electrical system protector
04/15/2004US20040069251 Energy system for watercraft
04/08/2004WO2004028899A1 Electric boat propulsion system
03/2004
03/25/2004WO2004025802A1 Failure tolerant parallel power source configuration
03/04/2004WO2003007454A3 Dc ladder bus
02/2004
02/26/2004US20040036455 Microenergy device for producing mechanically modulated microenergy output from digital microenergy output from digital microenergy input
01/2004
01/27/2004US6684134 Electrical fault protection system
01/22/2004US20040015245 Modular architecture for industrial power delivery system
01/20/2004CA2219293C Power conversion system for bi-directional conversion between hydraulic energy and electrical energy
12/2003
12/18/2003US20030230934 Modular power supply with multiple and interchangeable output units for AC- and DC-powered equipment
11/2003
11/27/2003WO2003098703A2 Circuit arrangement for a photovoltaic system
11/20/2003WO2003096511A1 Power supply system for island networks
11/18/2003US6650969 Electrical fault protection system
11/04/2003US6640901 Retrievable module and operating method suitable for a seabed processing system
10/2003
10/29/2003EP1356568A1 Electrical system for a ship
10/23/2003WO2003087964A1 Measuring device used in process technology, comprising a central power supply unit
10/22/2003EP1354387A1 Energy system for watercraft
09/2003
09/09/2003US6618265 Wiring arrangement ensuring all-or-none operation of a series of modular load elements
04/2003
04/10/2003WO2003030330A1 Wiring arrangement ensuring all-or-none operation of a series of modular load elements
04/03/2003US20030063446 Wiring arrangement ensuring all-or-none operation of a series of modular load elements
03/2003
03/19/2003CN2540695Y Thermoelectric load optimization distributor for power plant
02/2003
02/20/2003WO2003015238A1 Household system comprising a connection to an alternating current
02/20/2003US20030036806 Modular, integrated power conversion and energy management system
01/2003
01/30/2003US20030020330 DC ladder bus
01/23/2003WO2003007454A2 Dc ladder bus
11/2002
11/27/2002CN1095234C Device for distributing energy for airplane
11/20/2002CN1380738A Modular construction of industrial power supply system
11/19/2002US6483204 Power supply system with information exchange between plural loads and plural power sources
10/2002
10/29/2002US6472774 Device for distributing energy between a plurality of electronic modules with possibility of shedding
10/15/2002US6465908 Intelligent power management system
10/09/2002EP1248343A2 Modular architecture for industrial power delivery system
09/2002
09/12/2002US20020128749 Energy and power interchange system and its method
08/2002
08/15/2002US20020109413 Apparatus and method for providing multiple power supply voltages to an integrated circuit
08/14/2002DE10104892A1 Schiffs-Elektrosystem Marine electrical system
08/08/2002WO2002061912A1 Electrical system for a ship
07/2002
07/25/2002WO2002058206A1 Energy system for watercraft
07/18/2002WO2002024523A3 Electrical marine installation with energy production, distribution and consumer units and cryogenic supply device
07/11/2002DE10111156C1 Track and earth current reduction method for electrically-operated railway track uses controlled voltage sources incorporated in return line coupled to track at given intervals
07/03/2002EP1219002A1 Electrical power distribution suitable for a substantially underwater system
06/2002
06/19/2002EP1214770A1 Intelligent power management system
06/19/2002EP1214500A1 A retrievable module and operating method suitable for a seabed processing system
05/2002
05/23/2002US20020060497 Energy and power interchange system and its method
03/2002
03/28/2002WO2002024523A2 Electrical marine installation with energy production, distribution and consumer units and cryogenic supply device
03/14/2002US20020030956 Power switching device in an electrical power distribution system on board a helicopter
01/2002
01/10/2002US20020003379 High efficiency lighting system
01/03/2002US20020000793 Electric power supply system
12/2001
12/11/2001US6329725 Systems and methods for utilizing excess electric power from a marine transportation vessel
10/2001
10/25/2001DE10045446C1 Energy switching device for helicopter electrical energy distribution system uses optical fibre cable for transmission of control signals from overhead console for preventing electromagnetic interference
06/2001
06/28/2001US20010005802 Energy and power interchange system and its method
05/2001
05/29/2001US6239999 Multiple power supply traction system, and a method of Implementation
05/16/2001EP1099630A2 Power supply system for an aircraft
05/02/2001EP1095438A1 Device for distributing energy between a plurality of electronic modules with possibility of shedding
03/2001
03/22/2001WO2001020746A1 Electrical power distribution suitable for a substantially underwater system
03/22/2001WO2001020128A1 A retrievable module and operating method suitable for a seabed processing system
03/15/2001WO2001018932A1 Intelligent power management system
02/2001
02/21/2001CN1284776A Remote pinpoint electric energy transmitting method by means of X-ray and laser beam
02/21/2001CN1062221C Multiple power sources supplied propulsion system and realizing method thereof
02/13/2001US6188139 Integrated marine power distribution arrangement
02/01/2001DE19958080C1 Track and earth current reduction method for electric rail track uses controlled voltage source inserted in each track-return current conductor loop for compensating track current within latter
01/2001
01/10/2001CN2414539Y High-efficiency electricity-saving device
11/2000
11/21/2000US6150738 Constant current power supply system for connectable modular elements
11/09/2000WO2000067357A1 Device for distributing energy between a plurality of electronic modules with possibility of shedding
11/09/2000CA2335934A1 Device for distributing energy between a plurality of electronic modules with possibility of shedding
11/07/2000US6144312 System of wire-bus net control devices with minimal rest current requirements
10/2000
10/24/2000US6137188 Method for shared voltage regulation with multiple devices
10/04/2000CN1268796A Time division electricity-saving power supplying method and its circuit
08/2000
08/24/2000WO2000049698A1 Systems and methods for utilizing excess electric power from a marine transportation vessel
08/24/2000DE19906076A1 Vorrichtung zur Leistungsversorgung von elektrischen Verbrauchern, die an Sitzen in einem Flugzeug zugeordneten dezentralen Stromversorgungseinheiten angeschlossen sind An apparatus for power supply of electrical consumers that are connected to the associated seats in an aircraft remote power supply units
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