| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 06/07/2000 | EP1006641A2 System and method for providing an uninterruptible power supply to a critical load |
| 06/06/2000 | US6073054 Information processing system |
| 06/06/2000 | US6072302 Integrated control system and method for controlling mode, synchronization, power factor, and utility outage ride-through for micropower generation systems |
| 06/02/2000 | WO2000031863A1 System with choke in parallel with a/c line for load conditioning |
| 06/02/2000 | WO2000031853A1 Automatic generator on-line control with dead bus sensor |
| 05/31/2000 | EP1004032A1 Battery testing and classification |
| 05/31/2000 | DE19855070A1 Distributing energy in power supply network involves consumers informing provider of power required, provider informing relevant consumer whether lower or higher tariff applies |
| 05/31/2000 | CN1254870A Method and equipment for overall increasement of electricity quality |
| 05/30/2000 | US6069779 Method for operating a line |
| 05/30/2000 | US6069469 Controller for power converter |
| 05/25/2000 | WO2000030241A1 Voltage switch-over device |
| 05/25/2000 | DE19853347A1 Verfahren zum Verteilen von Energie auf einem Stromversorgungsnetz A method of distributing energy in a power supply system |
| 05/25/2000 | DE19852140A1 Method for balancing differences between needed and offered power in an electrical energy supply system ensures electricity quality with regard to constant voltage and frequency while protecting generators and power stations. |
| 05/25/2000 | CA2349611A1 Voltage switch-over device |
| 05/24/2000 | EP1003265A1 Method for energy distribution in a power supply network |
| 05/24/2000 | EP1003264A2 Wind power plant |
| 05/24/2000 | EP1002353A2 Method and device for improving the current quality of a superimposed network |
| 05/24/2000 | CN1052697C Distribution system for ship cabin |
| 05/23/2000 | US6067482 Load shifting control system for commercial refrigeration |
| 05/23/2000 | US6067238 Method for reconstruction of a plant for transmitting electric power as well as such a plant |
| 05/23/2000 | US6066945 Method and device for automatically switching three-phase voltage for power saving transformer |
| 05/23/2000 | US6066897 Automatic load distributing apparatus for generator and method of controlling same |
| 05/18/2000 | WO2000028636A2 Energy storage system |
| 05/18/2000 | DE19850886A1 Anordnung zur Energiespeicherung Arrangement for energy storage |
| 05/17/2000 | CN2378869Y Arrangement for discriminating and compensating residence electric voltage |
| 05/17/2000 | CN2378868Y Self-controlling electric network power factor compensating apparatus |
| 05/17/2000 | CN2378867Y Low-voltage network boosting compensating box |
| 05/17/2000 | CN1052582C Circuit on-off device for power system with three-phase conductors and middle wire |
| 05/11/2000 | DE19851572A1 AC power network e.g. distributed AC power cells |
| 05/10/2000 | EP0998777A1 Method for injecting reactive power in an alternating current system, and inverter therefor |
| 05/10/2000 | EP0904621A4 Modular power management system and method |
| 05/10/2000 | CN1252641A Universal capacitor compensation method for fuzzy control |
| 05/09/2000 | US6061609 Electrical power distribution monitoring system and method |
| 05/09/2000 | US6060697 Substrate processing apparatus having regulated power consumption and method therefor |
| 05/09/2000 | CA2059062C Arc furnace electrode control |
| 05/04/2000 | WO2000025407A1 Device and method for adapting the power of an electric power supply system to actual peak loads |
| 05/04/2000 | DE19850565A1 Island sea water desalination plant sub-divided for discrete operation of each stage using only limited wind-generated power |
| 05/04/2000 | DE19850496A1 Tariff dependent control of energy consumers in electrical power supply networks, involves passing tariff information via node of terrestrial network to energy consumers for load control |
| 05/03/2000 | EP0998006A1 Arrangement and method for adapting the power of an electric distribution network to temporary peak loads |
| 05/03/2000 | EP0998005A1 Command and control system and method for multiple turbogenerators |
| 05/03/2000 | CN1251952A Complementary electric saver |
| 05/03/2000 | CN1052123C Speed variable generator-motor arrangement for improving stability of power system |
| 05/02/2000 | US6057674 Energy saving power control system |
| 05/02/2000 | US6057673 Compensation device and power transmission system using a compensation device |
| 05/02/2000 | US6057672 Control signal processor and power system stabilizer using the same |
| 05/02/2000 | US6056782 Synchronous machine simulator and synchronous machine simulation method |
| 04/27/2000 | WO2000024109A1 Automatic power-saving device |
| 04/27/2000 | DE19849020A1 Vorrichtung und Verfahren zum Orten von Störstellen in elektrischen Verteilnetzen Apparatus and method for locating defects in electric distribution systems |
| 04/27/2000 | CA2677758A1 Command and control system and method for multiple turbogenerators |
| 04/26/2000 | EP0996244A2 Device and method for location of interference sources in electrical distribution networks |
| 04/26/2000 | EP0995256A1 Aircraft secondary power system |
| 04/26/2000 | EP0995255A1 A plant for transmitting electric power including bidirectionally controlled thyristors (bct) |
| 04/26/2000 | CN2376117Y Long-life heavy current AC power supply filter overvoltage protector |
| 04/25/2000 | US6055163 Communications processor remote host and multiple unit control devices and methods for micropower generation systems |
| 04/20/2000 | DE19951216A1 Fuel cell control method for supply of residential network connected with public electricity network, involving measuring and regulating energy supplied in dependence on momentary power requirements |
| 04/19/2000 | CN2374998Y Multifunctional socket |
| 04/18/2000 | US6052297 Power conversion apparatus |
| 04/18/2000 | US6052293 Converter device for connection between a single-phase side on a single or multi-phase side |
| 04/13/2000 | WO2000021186A1 Electrical power transmission system |
| 04/13/2000 | DE19853464C1 Wind power generator plant e.g. for wind power-generating station |
| 04/13/2000 | DE19846981A1 Method for generating compensator current set-point space vector for controlled shunt active filter |
| 04/13/2000 | DE19846378A1 Derivation of reactive components of electrical pulse energy involves determining reactive power or resistance operator using trigonometric equations derived from electron or ion flow theory |
| 04/12/2000 | EP0993093A2 Method and control device for stabilising a power supply network |
| 04/12/2000 | CN1250217A Electric distribution transformer and distribution connection method |
| 04/11/2000 | CA2195085C Transmission line power controller with a continuously controllable voltage source responsive to a real power demand and a reactive power demand |
| 04/11/2000 | CA2042351C Power adaptor |
| 04/06/2000 | WO2000019576A1 System for supplying power to a load connected to a distribution network |
| 04/06/2000 | WO2000019575A1 Device for removing noise in ac power waveform |
| 04/06/2000 | DE19845903A1 Elektrische Energieübertragungsanlage Electric power transmission system |
| 04/06/2000 | DE19845851A1 Verfahren und Regelungseinrichtung zur Stabilisierung eines Stromversorgungsnetzes A method and control apparatus for stabilizing a power supply network |
| 04/06/2000 | DE19843100A1 Three-phase current cable with insulated and screened cable wires has winding of at least one turn in each cable wire at one or more points and is placed in window of iron core |
| 04/05/2000 | EP0991169A2 Wave shaping circuit |
| 04/05/2000 | CN2372829Y Reactive automatic compensation device for motor |
| 04/05/2000 | CN2372771Y Distribution electrisity-saving device |
| 04/05/2000 | CN1249554A Four-phase AC transmission system |
| 04/05/2000 | CN1051180C Zero current switchover circuit for power regulator |
| 04/04/2000 | US6046513 Load distribution and management system |
| 04/01/2000 | CA2273814A1 Wave shaping circuit |
| 03/30/2000 | WO2000017984A1 Energy management system and method |
| 03/30/2000 | CA2303896A1 Energy management system and method |
| 03/29/2000 | EP0989663A2 Circuit for reducing voltage fluctuation and flicker |
| 03/29/2000 | EP0988682A1 Control equipment for active filters and a method for reduction of harmonics in a bipolar dc link |
| 03/29/2000 | EP0988681A1 A plant for transmitting electric power and a method for changing the direction of power transmission in such a plant |
| 03/29/2000 | EP0988680A1 A plant for transmitting electric power including bidirectionallycontrolled thyristors (bct) |
| 03/29/2000 | EP0906654A4 Power line harmonic reduction by hybrid parallel active/passive filter system with square wave inverter and dc bus control |
| 03/29/2000 | EP0888659A4 Customer side power management system and method |
| 03/29/2000 | CN2371717Y AC 690V and below unit element three-phase reactive compensator |
| 03/29/2000 | CN2371716Y Efficient phase-controlled reactive power automatic compensator |
| 03/29/2000 | CN1248811A Network collection method and apparatus for large scale collecting dispersed electric energy |
| 03/28/2000 | US6043999 Apparatus and method for controlling an elevator power supply |
| 03/28/2000 | US6043569 Zero phase sequence current filter apparatus and method for connection to the load end of six or four-wire branch circuits |
| 03/23/2000 | WO2000016463A1 Man-machine interface for a custom tabular display |
| 03/23/2000 | WO2000016461A1 Electric power supply system for an electrical equipment |
| 03/22/2000 | EP0986491A1 A plant for feeding alternating voltage |
| 03/22/2000 | CN1050712C Apparatus for controlling resource interchange equipment |
| 03/16/2000 | DE19842043A1 Automatic and user oriented minimizing of overall current consumption and power peaks of loads individually connected at power supply mains, exchanging data and controlling on-off switching |
| 03/15/2000 | EP0986165A2 Power conversion system |
| 03/15/2000 | EP0876700B1 Intelligent power supply with staged loading capability |
| 03/15/2000 | CN2369394Y Automatic intellectual low voltage reactive compensator |
| 03/15/2000 | CN1247406A Power converting system |