Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy › 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)
11/1996
11/14/1996WO1996036097A2 Process and device for the static and dynamic support of a mains voltage by means of a static compensator with a self-commutated converter
11/14/1996WO1996035979A1 Electrical load optimization device
11/14/1996DE19523565C1 Static converter for variable speed drive
11/14/1996DE19516838A1 Verfahren und Schaltungsanordnung zur Deckung von Energiespitzenbedarf bei elektrischen Wechselstrom- bzw. Drehstromnetzen Method and circuit arrangement to cover energy peak demand for electrical AC or three-phase systems
11/14/1996CA2218708A1 Electrical load optimization device
11/13/1996EP0742631A2 Filtering device
11/12/1996US5574653 Switchboard
11/12/1996US5574631 For a power circuit
11/12/1996US5574356 Active neutral current compensator
11/06/1996CN2239670Y Digital distributing line protection and low frequency load reducing device
11/06/1996CN1135155A Multi-Resonant boost high power factor circuit
11/05/1996US5572438 Engery management and building automation system
11/05/1996CA2062452C Reactive power compensator
10/1996
10/31/1996WO1996034443A1 Balancer executed with z-connected windings
10/31/1996WO1996034326A1 A utility current feedback filter with pulse-width modulated power converter
10/31/1996WO1996034293A2 Process for monitoring a three-phase mains for a change in the tuning of the arc supression coil
10/31/1996CA2218851A1 Balancer executed with z-connected windings
10/30/1996EP0740387A2 Interconnection system for transmitting power between electrical systems
10/30/1996CN2239091Y a.c. generator and axial carrying a.c. generating electric voltage adjusting device
10/30/1996CN1134382A Distribution system for ship cabin
10/29/1996US5570007 Method and apparatus for static VAR compensator voltage regulation
10/24/1996WO1996033544A1 Dynamic method for preventing voltage collapse in electrical power systems
10/24/1996WO1996033541A1 Circuitry for reduction of the magnetic field in the vicinity of multiphase power lines
10/24/1996CA2192174A1 Circuitry for reduction of the magnetic field in the vicinity of multiphase power lines
10/23/1996EP0739087A2 Asynchronous conversion method and apparatus for use with variable speed turbine hydroelectric generation
10/22/1996US5568371 Active harmonic power filter apparatus and method
10/22/1996US5568370 Tactical power adapter
10/22/1996US5568368 Square-wave converters with soft voltage transitions for ac power distribution systems
10/22/1996US5568042 Monitoring and control of a filter in a power network
10/22/1996US5567994 From an ac power source
10/22/1996CA2170686A1 Interconnection system for electrical systems having differing electrical characteristic
10/16/1996CN1133545A Method for stabilizing electric net resisting reactive load fluctuation and compensator for reactive power
10/16/1996CN1133530A Method and equipment for distributing minimum non-firm power
10/16/1996CN1133502A Single-chip computer controlled all solid state electric power system time-sharing reactive compensation equipment
10/15/1996US5566085 Stability transfer limit calculation in a power transmission network
10/15/1996US5565713 High-voltage filter
10/09/1996EP0736949A1 Protective equipment in a bipolar HVDC station
10/08/1996US5563455 Method and apparatus for sequencing and controlling power distribution
10/03/1996WO1996030843A1 System for optimizing power network design reliability
10/03/1996CA2216862A1 System for optimizing power network design reliability
10/02/1996EP0734620A1 Method and apparatus for signal coupling at medium voltage in a power line carrier communications system
10/02/1996CN2236698Y Special receptacle for TV set, audio system and computer
10/01/1996US5561597 Compact and efficient transformerless power conversion system
09/1996
09/26/1996DE4443745A1 Earth electrode for return of current from HVDC transmission
09/25/1996CN2236188Y Numerically-controlled network power factor compensator
09/24/1996US5559421 Apparatus for removing harmonic components of an electric power frequency generated in electric power generation equipment
09/18/1996CN2235671Y Electricity distribution and control arrangement for lamps of corridor
09/17/1996CA2057717C Parallel inverter system
09/12/1996DE19508504A1 Energy flow control arrangement
09/11/1996CN2235171Y Safety energy-saving comprehensive control cabinet for low-voltage AC electric machine
09/10/1996US5555151 No-brake power transfer phase balance sychronization sense circuit and method
09/07/1996CA2150615A1 Load tapchanger transformer paralleling by daisy chain comparison of load currents
09/06/1996WO1996027118A1 Optically programmed encoder apparatus and methods
09/04/1996EP0730333A2 Ship propulsion system
09/04/1996EP0729662A1 Converter connection with a balancing circuit
09/04/1996EP0681755B1 Method for interconnecting two synchronous polyphase ac networks and interconnecting apparatus for the same
09/04/1996EP0667054A4 Harmonic controller for an active power line conditioner.
09/04/1996CN1032724C Energy saving control apparatus and control method for induction motor
09/03/1996US5553003 Method for controlling a power generating system
09/03/1996US5552696 Multiple setpoint configuration in a voltage regulator controller
08/1996
08/28/1996CN2234150Y Phase split current controller for power transmission line
08/28/1996CN2234149Y Domestic electric appliance with capacitive load property
08/27/1996US5550444 Device and process for the reversible storage of electric energy by its reversible conversion to kinetic energy
08/27/1996US5550410 Gas turbine electrical power generation scheme utilizing remotely located fuel sites
08/27/1996US5549524 Multiple functioned combined power system
08/22/1996WO1996025784A1 Method and apparatus for reducing the power consumption of switchmode electric vehicle battery chargers while operating at low power levels
08/22/1996DE19605221A1 Excitation control unit for absorption of harmonics on sync machine
08/21/1996EP0727859A2 Method for improving the power quality in an alternative distribution network and apparatus therefor
08/21/1996EP0727668A1 Method for the energy management in a domestic ambient
08/21/1996EP0667051B1 Synchronizer
08/21/1996CN2233638Y Quasi-reactive power compensator
08/20/1996US5548504 Power line linking apparatus for linking a power generator to a commercial power line
08/20/1996US5548203 Capacitor polarity-based var correction controller for resonant line conditions and large amplitude line harmonics
08/20/1996US5548165 Hybrid filter for reducing distortion in a power system
08/15/1996WO1996024983A1 Method and device for filtering and damping conducted interference caused by ultimate consumers
08/15/1996WO1996024978A1 Installation for transmission of electric power by means of high-voltage direct current
08/14/1996EP0726696A2 Power factor circuit
08/14/1996EP0725994A1 Device for measuring the time element of a power switch
08/14/1996EP0528016B1 Reactive power compensator
08/14/1996DE19520603C1 Mobile charging station for traction batteries of electric vehicles
08/13/1996US5546298 Method for the parallel connection of inverters by reference to extreme current values
08/08/1996WO1996024188A1 Dynamic mechanically switched damping system and method for damping power oscillations using the same
08/08/1996WO1996024186A1 Dynamic power and voltage regulator for an ac transmission line
08/08/1996DE19502786A1 Connection of electrical apparatus to mains through controllers e.g. for complete household electrical equipment
08/08/1996CA2211907A1 Dynamic mechanically switched damping system and method for damping power oscillations using the same
08/08/1996CA2211710A1 Dynamic power and voltage regulator for an ac transmission line
08/07/1996EP0725470A1 Phase-shifting transformer and protection system of phase-shifting transformer
08/07/1996CN2232635Y Open capacity offset voltage device
08/07/1996CN1128431A Method and device for control of an installation for transmission of high-voltage direct current
08/06/1996US5544036 Energy management and home automation system
08/06/1996US5543667 Load control for partially increasing/decreasing power usage
08/06/1996US5543666 Method of reducing the peak load of energy supply network systems and apparatus for limiting the power consumption of a consumer unit fed from an energy supply connection
08/06/1996US5543602 Method for the storage and controlled supply of electric energy for discontinuous loads in steelworks
07/1996
07/31/1996EP0724320A2 Method for providing a signal characterizing the central position of pendulum type oscillations
07/31/1996EP0724319A2 Method for providing a signal indicating an oscillation in an electrical distribution network
07/31/1996CN1127949A Uninterruptible power supply
07/31/1996CN1127892A Device for controlling electric power tide
07/30/1996US5541808 Switchgear incorporating an active filter
07/30/1996US5541498 In an alternating current electric power system
07/30/1996US5541497 Power storing apparatus
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