| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 10/29/1997 | CN1163681A Process and device for generating any desired M-phase Nth order distribution system in converter-fed device |
| 10/29/1997 | CN1163505A Method for controlling power converter and power converting system |
| 10/28/1997 | US5682306 Switched mode power supply with power factor correction |
| 10/28/1997 | US5682305 Method and apparatus for controlling the power of a battery power source |
| 10/22/1997 | EP0802618A2 Control arrangement for a multilevel converter |
| 10/22/1997 | EP0802616A2 Synchronization of power converter arrays |
| 10/22/1997 | EP0801836A2 Energy management and building automation system |
| 10/22/1997 | EP0801833A1 Transmission line power flow controller with unequal advancement and retardation of transmission angle |
| 10/22/1997 | EP0691003A4 Low cost active power line conditioner |
| 10/21/1997 | US5679985 Power supply with automatic recovery system |
| 10/21/1997 | US5678626 Air conditioning system with thermal energy storage and load leveling capacity |
| 10/16/1997 | WO1997038385A1 System and method for providing communications between energy suppliers, energy purchasers and transportation providers |
| 10/16/1997 | WO1997038210A1 Process and plant for operating a block-type thermal power station |
| 10/16/1997 | CA2250905A1 Process and plant for operating a block-type thermal power station |
| 10/15/1997 | EP0800717A1 Interconnection system for transmitting power between electrical systems |
| 10/15/1997 | EP0456728B1 Power supply system |
| 10/15/1997 | CN1162210A Zero current switchover method for power regulator and circuit thereof |
| 10/14/1997 | US5677925 Power converter device for direct current power supply to an electric arc furnace |
| 10/14/1997 | US5677852 Method and arrangement for detecting and damping transcient oscillations at or near a natural resonant frequency in a power transmission system |
| 10/14/1997 | US5677833 Power conditioning system for a four quadrant photovoltaic array with an inverter for each array quadrant |
| 10/14/1997 | US5677832 Active filter |
| 10/14/1997 | CA2066490C Parallel operation system of ac output inverters |
| 10/09/1997 | WO1997037420A1 Public energy-distribution system, method of providing energy supplies and system components for this system |
| 10/09/1997 | WO1997037419A1 Transformer arrangement |
| 10/09/1997 | WO1997037418A1 Method and device for determining short-circuit power in an electric power network |
| 10/09/1997 | WO1997037415A1 Distributed frequency relay |
| 10/09/1997 | CA2250260A1 Distributed frequency relay |
| 10/09/1997 | CA2250112A1 Transformer arrangement |
| 10/07/1997 | US5675503 Adaptive load cycler for controlled reduction of energy use |
| 10/07/1997 | US5675480 Microprocessor control of parallel power supply systems |
| 10/02/1997 | DE19612776A1 Offenes Energieverteilungs-System, Verfahren zur Durchführung von Energielieferungen, sowie Systemkomponenten für dieses System Open power distribution system, method for performing power supplies, and system components for this system |
| 09/30/1997 | US5673189 Device for increasing the power yield of the fundamental component of a self-commutated power inverter |
| 09/30/1997 | US5672957 Method and device for reducing voltage imbalances in a three-phase network by means of a static compensator |
| 09/30/1997 | US5672956 Static reactive power compensating equipment |
| 09/25/1997 | WO1997035374A1 Customer side power management system and method |
| 09/24/1997 | EP0797138A2 Universal ac sequencer for a server |
| 09/24/1997 | EP0796517A1 Process and device for generating any desired m-phase nth order distribution system in a converter-fed device |
| 09/24/1997 | EP0594833B1 Vernier control system for subsynchronous resonance mitigation |
| 09/24/1997 | CN2263411Y Magnetic valve type controlled reactor |
| 09/24/1997 | CN1035973C Power inverting method and system |
| 09/23/1997 | US5670864 Adaptive automatic power capacitor for controlling controller a capacitor bank of a power distribution system |
| 09/18/1997 | WO1997034362A1 Asynchronous intergrid transfer apparatus |
| 09/18/1997 | CA2248574A1 Asynchronous intergrid transfer apparatus |
| 09/18/1997 | CA2200276A1 Single operation detecting apparatus for a distributed power supply |
| 09/18/1997 | CA2200275A1 Single operation detecting apparatus for a distributed power supply |
| 09/17/1997 | EP0794919A1 Reserve power system |
| 09/17/1997 | EP0709000B1 Method and device for firing an m-pulse d.c./a.c. converter assembly consisting of a master d.c./a.c. converter and at least one slave d.c./a.c. converter |
| 09/17/1997 | CN2262770Y High and low voltage capacitor complete compensator |
| 09/17/1997 | CN1035914C Method and apparatus for harmonic distortion correction |
| 09/16/1997 | US5668715 Multiple output, zero voltage switching, series resonant VHF inverter |
| 09/16/1997 | US5668458 Synchronous machine with harmonics dampening |
| 09/16/1997 | US5668418 For damping current harmonics |
| 09/13/1997 | CA2196013A1 Control system and circuits for distributed electrical power generating stations |
| 09/12/1997 | WO1997033355A1 Modular power management system and method |
| 09/10/1997 | EP0793869A1 Series compensator inserting real and reactive impedance into electric power system for damping power oscillations |
| 09/10/1997 | CN1159255A Generalized fast power flow controller |
| 09/09/1997 | US5666277 Series-compensated converter station |
| 09/09/1997 | US5666275 Control system for power conversion system |
| 09/09/1997 | US5665965 Encoder apparatus and methods employing optical and graphical programming |
| 09/03/1997 | EP0793160A1 System-interconnected generator |
| 09/03/1997 | EP0793104A2 Electrical system monitoring apparatus with programmable custom display |
| 09/03/1997 | EP0792534A1 Methods of enhancing capacity of transformer equipment and of power flow control using phase-shifting transformers and series impedances in parallel arrangements |
| 09/03/1997 | EP0792533A1 A system for off-mains switching of current consuming devices such as actuators |
| 09/03/1997 | EP0792483A1 Transmission line power controller with a continuously controllable voltage source responsive to a real power demand and a reactive power demand |
| 09/02/1997 | US5663643 Position detecting apparatus using offset calculated from sum of three-phase signals |
| 09/02/1997 | US5663636 Method for reducing waveform distortion in an electrical utility system and circuit for an electrical utility system |
| 08/28/1997 | DE19603116A1 Reactive power compensation in AC networks |
| 08/27/1997 | EP0792002A2 System interconnection generator |
| 08/27/1997 | EP0791875A1 Drive system for lifting gears and tool machines |
| 08/27/1997 | EP0791280A1 System and method for optimizing energy efficiency of a building system for a target energy consumption level |
| 08/27/1997 | CN1158189A A power transmission system for high-voltage direct current |
| 08/26/1997 | US5661658 Electrical system monitoring apparatus with programmable custom display |
| 08/21/1997 | DE19606244A1 Avoiding overcurrent using capacitors in wattless power compensation regulators |
| 08/20/1997 | EP0790689A2 Method for the improvement of the voltage quality in an AC network and apparatus for implementing this method |
| 08/14/1997 | WO1997020375A3 Apparatus and method for interline power flow control |
| 08/13/1997 | CN1156922A Control system for power conversion system |
| 08/12/1997 | US5657213 Method and device for control of a series-compensated converter station |
| 08/12/1997 | US5656924 System and method for providing harmonic currents to a harmonic generating load connected to a power system |
| 08/07/1997 | WO1997022169A3 Voltage based var compensation system |
| 08/07/1997 | DE19600073A1 Controlled ON and/or OFF switch for AC HV networks |
| 08/05/1997 | US5654627 Method of automatically changing upper, balanced and lower voltage in electric power saving transformer and the device of the same |
| 08/05/1997 | US5654625 Switching circuit for a reactive power compensation device having synchronized on and off switching |
| 08/05/1997 | CA2040211C Gate pulse generator of a reactive power compensation device |
| 07/31/1997 | WO1997027664A1 Converter equipment |
| 07/31/1997 | WO1997027658A1 Intelligent power supply with staged loading capability |
| 07/31/1997 | DE19701191A1 Control method for controlling several voltage converters connected to mains |
| 07/29/1997 | US5652504 Energy saving power control system |
| 07/24/1997 | WO1997026696A1 A device for control of controller equipment for the purpose of damping of oscillations in a power line |
| 07/24/1997 | WO1997026453A1 Automatic load distributing apparatus for generator and method of controlling same |
| 07/23/1997 | EP0784882A1 A power transmission system for high-voltage direct current |
| 07/23/1997 | CA2167751A1 Electrical load management method and apparatus for a vessel |
| 07/22/1997 | US5650936 Power monitor apparatus and method with object oriented structure |
| 07/22/1997 | US5650931 Generator output controller for electric vehicle with mounted generator |
| 07/17/1997 | WO1997020373A3 Process and device for regulating n power converter stations of a multipoint hvdct network |
| 07/17/1997 | WO1997018385A3 Method and device for rapid output adjustment of a power-generating facility |
| 07/16/1997 | EP0783789A1 Generalized fast, power flow controller |
| 07/16/1997 | EP0783702A1 Method and device for measuring impedance in alternating current networks and method and device for preventing the formation of separate networks |
| 07/16/1997 | EP0771486A4 Dynamic method for preventing voltage collapse in electrical power systems |
| 07/16/1997 | EP0700590B1 Control of electric loads during generator failure in a multi-generator system |
| 07/15/1997 | US5648894 Active filter control |