Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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03/27/1996 | EP0557287B1 Electrical energy system |
03/27/1996 | CN1119479A Synchronizing device |
03/27/1996 | CN1119360A Energy-saving distributing apparatus |
03/27/1996 | CN1119294A Power supply apparatus having a function of compensating for changes in voltage |
03/26/1996 | US5502340 Measuring process for obtaining a switching command in a rapid changeover device |
03/26/1996 | US5502339 For controlling electric power usage |
03/22/1996 | CA2158419A1 Method and equipment for the variable allocation of static inverters, which are in operation, to at least one load |
03/21/1996 | DE4435351C1 Verfahren zur Regelung eines als Netzstromrichter fungierenden Vierquadrantenstellers Method for regulating a line power converter functioning as a four-quadrant controller |
03/21/1996 | DE4433428A1 Power supply for room air-conditioning plant |
03/20/1996 | EP0702446A2 Method and apparatus for synchronising a synchronous machine |
03/20/1996 | EP0701743A1 Process and device for reducing asymmetric voltages in a three-phase system by means of a static compensator |
03/20/1996 | EP0613517B1 Steam generating power station, process for operating the same and interlinking network |
03/19/1996 | US5500561 Customer side power management system and method |
03/19/1996 | US5500052 Solar photovoltaic power generation device capable of adjusting voltage and electric power |
03/14/1996 | DE19533288A1 Current resonance type SMPS circuit e.g. for TV system |
03/13/1996 | EP0700590A1 Control of electric loads during generator failure in a multi-generator system |
03/13/1996 | CN1031306C Constant voltage and current modulating reactive compensator |
03/12/1996 | US5499178 System for reducing harmonics by harmonic current injection |
03/12/1996 | US5499155 Circuit analyzing system |
03/12/1996 | US5498994 For filtering harmonic current components in a power line of a system |
03/12/1996 | US5498954 Control system and method for the parallel operation of voltage regulators |
03/12/1996 | US5498915 Electronically switched power receptacle |
03/05/1996 | US5497037 Method and apparatus for decoupling of unused power supply pins of a printed circuit board capable of operating at a plurality of predetermined voltages |
03/05/1996 | CA2047805C Power fault protection for high momentum systems |
02/29/1996 | WO1996006481A2 Control circuit for cryogenically-cooled power electronics employed in power conversion systems |
02/29/1996 | WO1996006477A1 Converter connection with a balancing circuit |
02/29/1996 | WO1996006310A1 Thermal energy storage system with load leveling |
02/29/1996 | CA2197212A1 Control circuit for cryogenically-cooled power electronics employed in power conversion systems |
02/28/1996 | EP0698309A1 Method of phase-shifting voltages applied to susceptances interconnecting two synchronous polyphase ac networks and a phase-shifting interconnecting apparatus thereof |
02/27/1996 | US5495406 Load control system |
02/22/1996 | WO1996005642A1 Generalized fast, power flow controller |
02/22/1996 | DE4443747C1 Electrical energy network coupling |
02/22/1996 | CA2196668A1 Generalized fast, power flow controller |
02/21/1996 | EP0697120A1 Management equipment for generators of electrical energy |
02/20/1996 | US5493155 Electric power supply system |
02/20/1996 | CA2071116C Electrical power distribution busway and bus plug arrangement |
02/08/1996 | WO1996003683A1 Transmission line power controller with a continuously controllable voltage source responsive to a real power demand and a reactive power demand |
02/08/1996 | DE19504271C1 Impedance measuring system for AS network |
02/07/1996 | EP0500789B1 An uninterrupted power supply system having improved power factor correction circuit |
02/07/1996 | CN1116330A Maximum demand power control apparatus |
02/06/1996 | US5489838 Method and apparatus for generating a synchronizing signal for a controlled series compensator |
02/01/1996 | WO1996002969A1 Hybrid filter for reducing distortion in a power system |
02/01/1996 | DE19526359A1 Active filtering device for distorted harmonic-containing voltage waveform of current supply system |
01/31/1996 | CN2218987Y Automatic control module for generator parallel operation |
01/30/1996 | US5488532 System of protection for electric power distribution failures |
01/30/1996 | US5488269 Multi-resonant boost high power factor circuit |
01/30/1996 | CA2056383C A system for discharging electrical power from a high-voltage direct current line |
01/25/1996 | WO1996002025A1 Guide system for a power station |
01/24/1996 | EP0693218A1 Device for assembling power capacitors |
01/23/1996 | US5487016 Apparatus for generating a signal representative of total harmonic distortion in waveforms of an A/C electrical system |
01/18/1996 | WO1996001517A1 Hvdc transmission |
01/18/1996 | WO1996001516A1 Three-phase reactive-power controller |
01/17/1996 | EP0692927A2 Improved printed circuit board and method |
01/17/1996 | EP0692857A1 Switching means for a reactive power-compensation device provided with capacitors |
01/16/1996 | US5485545 Control method using neural networks and a voltage/reactive-power controller for a power system using the control method |
01/16/1996 | US5485075 Reactive power compensating apparatus and method for reducing in switching loss in steady state operation thereof |
01/16/1996 | CA2082914C Controller for controlling operation of at least one electrical load operating on an ac supply, and a method thereof |
01/14/1996 | CA2127928A1 Electrical load controller to regulate power consumption |
01/11/1996 | WO1996000998A1 Apparatus and method for regulating a power line using frequency domain self-synchronization control |
01/11/1996 | WO1996000936A1 Capacitor polarity-based var correction controller for resonant line conditions and large amplitude line harmonics |
01/10/1996 | EP0691003A1 Low cost active power line conditioner |
01/10/1996 | EP0604540B1 Measuring process for obtaining a switching command in a rapid changeover device |
01/09/1996 | US5483462 In an electrical power system |
01/09/1996 | US5483408 In an electrical system |
01/09/1996 | US5483142 Precharge circuit having microprocessor-based firing angle control circuitry |
01/09/1996 | CA2031712C Device for suppressing voltage fluctuation and higher harmonics |
01/04/1996 | DE4423033A1 Dreiphasiger Blindleistungssteller Three-phase reactive power controllers |
01/04/1996 | DE4421914A1 Device for improving performance rating of electrical load |
01/03/1996 | EP0689732A1 Process and regulating arrangements for d.c. transmission |
01/03/1996 | EP0689730A1 Synchronizing device |
01/03/1996 | EP0689729A1 Process and regulating arrangement for d.c. transmission and a regulating device |
01/03/1996 | EP0689689A1 Energy saving power control system |
01/02/1996 | US5481140 Adapted to shut off a power supply to loads |
12/28/1995 | WO1995035532A1 Circuit arrangement for decreasing the energy consumption and for protecting of a variable loaded asynchronous motor |
12/27/1995 | EP0689272A1 Control equipment for a series capacitor connected into an electric power line |
12/26/1995 | US5479358 Urban energy system for controlling an energy plant supplying energy to a community |
12/26/1995 | US5479332 System avoiding regulator detachments in quasi-steady operation of ADC power transmission line |
12/26/1995 | US5479117 Hybrid data processing system including pulsed-power-supply CMOS circuits |
12/26/1995 | CA2104032C Power conversion control apparatus |
12/26/1995 | CA2063643C Magnetoelectric generating system |
12/21/1995 | DE4420853A1 Matching conductors to reduce or remove interference |
12/20/1995 | EP0688095A2 Variable speed generator-motor apparatus capable of improving accuracy of power system |
12/20/1995 | EP0688081A1 Method and arrangement for a d.c. transmission |
12/20/1995 | EP0688080A1 Management device for electrical power-installation |
12/20/1995 | EP0687395A1 Process for preventing damage to numerically controlled machines in the event of a power failure |
12/19/1995 | US5476293 Electric energy storage and distribution system of differential distribution type |
12/19/1995 | CA2075351C Energy-saving control apparatus and control method for induction motor |
12/14/1995 | WO1995034119A1 Structure and method for performing active injection mode filtering on an ac power system |
12/13/1995 | EP0686103A1 Electrical arrangement |
12/13/1995 | CN2215156Y Powerfactor automatic regulating controller |
12/12/1995 | US5475314 Method for estimating natural frequency of distribution system |
12/06/1995 | EP0685919A1 Electronic harmonics compensator |
12/06/1995 | CN1113095A HVDC Transmission |
12/05/1995 | US5473533 Method and apparatus for efficient phase and frequency coherence locking optimized for digital systems |
12/05/1995 | US5473528 Parallel connection of different types of AC power supplies of differing capacities |
12/05/1995 | US5473255 Apparatus for estimating natural frequency of distribution system |
11/30/1995 | WO1995032537A1 Control of an installation for transmission of high-voltage direct current |
11/29/1995 | EP0684694A2 Power factor control of pulse-width modulated inverter supplied permanent magnet motor |
11/29/1995 | EP0684679A1 Method for reducing waveform distortion in an electrical utility system and circuit for an electrical utility system |
11/29/1995 | CN1112742A Intelligent quantitative controller for demand of electricity |