| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
|---|
| 06/18/2002 | US6407536 Power conversion equipment and control device for the power conversion equipment |
| 06/18/2002 | CA2219326C A plant and method for transmitting electric power |
| 06/13/2002 | WO2000079669A9 Automatic transfer switch |
| 06/13/2002 | US20020072868 System and method for monitoring and controlling energy usage |
| 06/13/2002 | US20020070719 Electrical power conservation apparatus and method |
| 06/13/2002 | US20020070610 Rack mountable power distribution apparatus |
| 06/12/2002 | EP0791280B1 System and method for optimizing energy efficiency of a building system for a target energy consumption level |
| 06/12/2002 | CN1353880A Dynamic series voltage compensator and method thereof |
| 06/12/2002 | CN1086256C Combined power filter with both active and passive parts |
| 06/12/2002 | CA2364740A1 Method for running electric energy storage system |
| 06/11/2002 | US6404656 Control equipment for thyristor-controlled series capacitor equipment, and a method for control thereof |
| 06/06/2002 | WO2002045235A1 A device and a method for voltage control in an electric transmission network |
| 06/06/2002 | WO2002044560A1 Wind energy turbine and wind farm consisting of a plurality of wind energy turbines |
| 06/06/2002 | US20020067628 AC interconnection apparatus and control method therefor |
| 06/06/2002 | DE10059018A1 Windenergieanlage bzw. Windpark bestehend aus einer Vielzahl von Windenergieanlagen Wind turbine or wind farm consisting of a plurality of wind turbines |
| 06/05/2002 | EP1211775A1 Method and device for assessing the stability of an electric power transmission network |
| 06/05/2002 | CN1352819A A wind power plant |
| 06/05/2002 | CN1352731A A wind power plant and a method for control |
| 06/04/2002 | US6400585 Method and control system for voltage control at a converter station |
| 06/04/2002 | US6400216 Multi-driving apparatus by a multi-level detection and a method for controlling the same |
| 06/04/2002 | US6400119 Energy conserving motor controller |
| 05/30/2002 | WO2002043218A1 Household appliance provided with energy management |
| 05/30/2002 | WO2001047082A9 Rack mountable power distribution apparatus |
| 05/30/2002 | US20020065749 Maintenance information management system and method of providing a maintenance plan |
| 05/30/2002 | US20020063487 Electromagnetic device |
| 05/29/2002 | EP1209795A1 Topology initialization and actualization method of a high or medium voltage electrical installation |
| 05/29/2002 | EP1209789A2 Solar battery module and power generation apparatus |
| 05/29/2002 | CN2494067Y Vacuum idle automatic compensator |
| 05/29/2002 | CN2494066Y High-voltage person free mechanical-vacuum combined idle compensation device |
| 05/29/2002 | CN2494053Y Power source socket capable of filtering pulse stray wave interference |
| 05/28/2002 | US6396248 Versatile power flow transformers for compensating power flow in a transmission line |
| 05/28/2002 | US6396172 Switching apparatus and method for a segment of an electric power line |
| 05/28/2002 | US6396170 Method and apparatus for coordinating uninterruptible power supply modules to provide scalable, redundant power |
| 05/23/2002 | WO2002041463A2 System for correcting power factor and harmonics present on an electroduct in an active way and with high-dynamics |
| 05/23/2002 | WO2002041459A1 Switching apparatus and method for varying a phase line impedance of an electric power transport line section |
| 05/23/2002 | WO2001073916A3 Synchronous frame regulation to extract a positive sequence component of a line voltage |
| 05/23/2002 | US20020062293 Method for collectively receiving at high voltage and distributing at low voltage, and collective housing using same |
| 05/23/2002 | US20020062231 Method and computerized system for reducing risk in an energy industry |
| 05/23/2002 | US20020060556 Detection of islanded behavior and anti-islanding protection of a generation in grid-connected mode |
| 05/23/2002 | US20020060497 Energy and power interchange system and its method |
| 05/22/2002 | EP1174993A9 Method and control system for voltage control at a converter station |
| 05/22/2002 | EP0908001A4 Independent load sharing of ac power systems connected in parallel |
| 05/22/2002 | EP0908000A4 Wireless selective tripping of ac power systems connected in parallel |
| 05/22/2002 | CN2492969Y Very long distance power transmitting apparatus |
| 05/22/2002 | CN1350354A Minimum time controller with controllable serial capacitor compensation and its control method |
| 05/22/2002 | CN1085427C Power source linkage of system |
| 05/21/2002 | US6392856 Method and system for providing voltage support to a load connected to a utility power network |
| 05/16/2002 | WO2001073915A3 Distributed internal fault bypass in a modular uninterruptible power supply |
| 05/16/2002 | US20020059477 Configuration of a control system for an electrical switchgear assembly |
| 05/16/2002 | US20020057146 Method and apparatus for supplying power to a load circuit from alternate electric power sources |
| 05/16/2002 | US20020057027 Rotating variable frequency transformer with high voltage cables |
| 05/15/2002 | EP0603374B1 Computer-controlled circuit breaker arrangement with circuit breaker having identification circuit |
| 05/15/2002 | CN1349294A Adaptive oscillation fault opening method |
| 05/15/2002 | CN1084955C Controller for power transfer device |
| 05/14/2002 | US6389122 Method and system for controlling and switching power source associated with electrical devices |
| 05/14/2002 | US6389041 Synchronization system and synchronization method of multisystem control apparatus |
| 05/10/2002 | WO2002037639A2 Distributed control method for multiple connected generators |
| 05/10/2002 | WO2002037638A2 Distributed energy network control system and method |
| 05/09/2002 | US20020054096 Man-machine interface for a custom tabular display |
| 05/08/2002 | EP1204186A2 Power supply device for electrical loads in a vehicle |
| 05/08/2002 | EP1203272A1 Electric power supply network, in particular for public lighting |
| 05/08/2002 | EP0956628A4 APPARATUS FOR AND METHOD OF EVENLY DISTRIBUTING AN ELECTRICAL LOAD ACROSS AN n-PHASE POWER DISTRIBUTION NETWORK |
| 05/07/2002 | US6385063 Hybrid filter for an alternating current network |
| 05/07/2002 | US6384581 Versatile power flow transformers for compensating power flow in a transmission line |
| 05/07/2002 | US6384580 Communications device for use with electrical source |
| 05/07/2002 | US6384565 Method and apparatus for deriving characteristics of a utility signal in an AC machine drive system |
| 05/02/2002 | US20020051368 Mobile power generation system |
| 05/02/2002 | US20020050829 Thyristor linked inductor |
| 05/02/2002 | EP1202594A2 Electricity generation equipment management system |
| 05/02/2002 | EP1202425A2 System and method for planning energy supply and interface to an energy management system for use in planning energy supply |
| 05/02/2002 | EP1202142A1 Maintenance planning system and method |
| 05/02/2002 | DE10050896A1 Reactive load compensation method for single- or multi-phase energy supply network, uses selective switching-in of reactive load compensation devices |
| 05/01/2002 | CN1347181A Solar cell assembly and electric generating device |
| 05/01/2002 | CN1347180A Phase-splitting cross-zero trigger controller for switching capacitor of thyristor |
| 05/01/2002 | CN1347179A Electric generating apparatus |
| 05/01/2002 | CN1084070C Controlling system, protection controlling system for power system and storage medium for storing program |
| 04/30/2002 | USRE37678 Secondary battery power storage system |
| 04/30/2002 | US6380719 Integrated control system and method for controlling mode, synchronization, power factor, and utility outage ride-through for micropower generation systems |
| 04/30/2002 | US6380715 Electric power system |
| 04/25/2002 | WO2001091013A3 Method and systems supporting trading of fungible ephemeral commodities and fungible non-ephemeral commodities incorporating transmission contracting |
| 04/25/2002 | US20020049563 Maintenance planning system and method |
| 04/25/2002 | US20020048179 Line linkage protective device for electricity generation equipment |
| 04/25/2002 | US20020047699 Interconnection protective device for generator set |
| 04/25/2002 | US20020047439 High voltage ac machine winding with grounded neutral circuit |
| 04/25/2002 | US20020047268 Rotating electrical machine plants |
| 04/25/2002 | DE10141036A1 Circuit arrangement for static generation of variable electrical power for consumer has consumer consisting of parallel circuit of two reactive power consumers in form of choke and capacitor |
| 04/25/2002 | DE10050004A1 Operating method for 3-wire transmission system has 2 out of 3 wires connected in parallel in alternating sequence during direct current transmission |
| 04/24/2002 | EP1199782A2 Separation of protection and automation functions in a protective relay for power systems |
| 04/24/2002 | EP1198876A1 System for controlling the delivery of power to dc computer components |
| 04/24/2002 | EP1198872A1 A wind power plant |
| 04/24/2002 | CN2488216Y Pulse convertor for high-voltage static dynamic reactive power compensator |
| 04/24/2002 | CN2488215Y Reactive compensator |
| 04/24/2002 | CN1083626C Apparatus and method for interline power flow control |
| 04/24/2002 | CN1083391C Apparatus for controlling rescue operations and for improving power efficiency |
| 04/23/2002 | US6377283 Man-machine interface for a custom tabular display |
| 04/23/2002 | US6376937 Meter collar with interface for connecting on-site power source, and the interface itself |
| 04/20/2002 | CA2359456A1 Separation of protective and automation functions in a protective relay for power systems |
| 04/18/2002 | WO2002031954A1 A power load-leveling system and packet electrical storage |
| 04/18/2002 | WO2002031944A2 A system for monitoring and controlling a plurality of electrical loads |
| 04/18/2002 | WO2002031940A2 Method for operating a three-wire transmission system |