| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 04/18/2002 | US20020044473 Power converting apparatus and power generating apparatus |
| 04/18/2002 | US20020044464 Method and system for detecting a negative sequence for three phase grind-connected inverter systems |
| 04/18/2002 | US20020043968 Active filter and method for suppressing current harmonics |
| 04/17/2002 | EP1198056A2 Power converting apparatus and power generating apparatus |
| 04/17/2002 | EP0870354B1 Load distribution and management system |
| 04/17/2002 | EP0864193B1 Apparatus and method for interline power flow control |
| 04/17/2002 | CN2487082Y Circular iron core winding |
| 04/17/2002 | CN1345112A No-delay zero-crossing trigger circuit with thuristor throw-in and throw-off capacitor |
| 04/16/2002 | US6374202 Processing data signals |
| 04/16/2002 | US6373729 Electric power source apparatus including electric power converter circuit and method for controlling the same |
| 04/16/2002 | US6373150 Electric service load limiter |
| 04/13/2002 | CA2358745A1 Electricity generation equipment management system |
| 04/13/2002 | CA2342483A1 Method and apparatus for distributing electric power |
| 04/11/2002 | WO2002029953A1 System and method for power generation control, program, and medium |
| 04/11/2002 | WO2002029952A1 Power supply/demand control system |
| 04/11/2002 | WO2002029514A2 Web bridged energy management system and method |
| 04/11/2002 | US20020041502 Bi-directional power supply circuit |
| 04/11/2002 | US20020041126 Power load-leveling system and packet electrical storage |
| 04/11/2002 | DE10046989A1 Voltage supply arrangement for electrical load in motor vehicle, has individual switching elements in auxiliary positive point connecting high current loads to common supply line |
| 04/10/2002 | EP1194997A1 System with choke in parallel with a/c line for load conditioning |
| 04/10/2002 | EP1194993A2 Method and apparatus for coordinating uninterruptible power supply modules to provide scalable, redundant power |
| 04/10/2002 | EP1194991A1 Universal harmonic mitigating system |
| 04/10/2002 | CN2485865Y Self-adapt energy-saving controller for electric motor |
| 04/10/2002 | CN1344053A Method and device for switching one from multiple AC circuits |
| 04/10/2002 | CN1082708C Voltage lowering device and asynchronous traction system supplied from single-phase mains supply incorporating device of this kind |
| 04/09/2002 | US6369462 Maximum power tracking solar power system |
| 04/04/2002 | WO2002027910A2 Sub-cycle static voltage regulator and controller |
| 04/04/2002 | WO2002027892A1 Local area grid for distributed power |
| 04/04/2002 | WO2002027891A1 Current adjusting apparatus and current adjusting method |
| 04/04/2002 | WO2002027621A1 Genetic algorithm method for aggregating electricity consumption and optimizing electric buying groups |
| 04/04/2002 | WO2002027616A1 Energy descriptors using artificial intelligence to maximize learning from data patterns |
| 04/04/2002 | WO2002027240A2 Automated new energy technology consulting and demand aggregation system and method |
| 04/04/2002 | WO2001093397A3 Current management system for a telecommunications power system |
| 04/04/2002 | US20020040356 Automated new energy technology consulting and demand aggregation system and method |
| 04/04/2002 | US20020039299 Isolated operation prevention device for distributed power supply and interharmonic detection method |
| 04/04/2002 | US20020038980 Power load control system |
| 04/04/2002 | US20020038667 Solar battery module and power generation apparatus |
| 04/04/2002 | DE10044096A1 Inselnetz und Verfahren zum Betrieb eines Inselnetzes Isolated network and method for operating an isolated network |
| 04/03/2002 | EP1193852A2 Inverter parallel operation system |
| 04/03/2002 | EP1193804A2 Power converter, power generating apparatus and plug |
| 03/28/2002 | US20020038279 Method and apparatus for using a transaction system involving fungible, ephemeral commodities including electrical power |
| 03/28/2002 | US20020036911 Uniterruptible power system |
| 03/28/2002 | US20020036483 Generator apparatus |
| 03/28/2002 | US20020036432 Power converter, power generating apparatus and plug |
| 03/28/2002 | US20020036430 Local area grid for distributed power |
| 03/27/2002 | EP1191662A1 Configuration of a control system of an electrical installation |
| 03/27/2002 | EP1191661A2 Uninterruptible power system |
| 03/27/2002 | EP1191659A2 Generator apparatus |
| 03/27/2002 | EP1190176A1 A wind power plant and a method for control |
| 03/27/2002 | CN2483879Y Valve circuit of crystal thyratron in high-voltage static type dynamic reactive power compensating unit |
| 03/27/2002 | CN1081848C Method for controlling power plant |
| 03/26/2002 | US6362988 System and method for synchronizing the phase angle for an AC power source in parallel operation with a grid |
| 03/26/2002 | US6362985 Power transmission apparatus and method for power transmission |
| 03/26/2002 | CA2198675C Electrical system monitoring apparatus with programmable custom display |
| 03/21/2002 | WO2002023693A2 System for creating a cost effective retail electric power exchange service |
| 03/21/2002 | US20020034086 Line side power and energy management system and methods |
| 03/21/2002 | US20020033020 Solar power generation administration system, and solar power generation administration method to provide useful information to user |
| 03/21/2002 | DE10044262A1 Gear-less wind power system has blade angle adjustment for active vibration damping in drive train, and no mechanical gears but slow synchronous generator directly driven by wind wheel |
| 03/21/2002 | DE10039918A1 Power factor control method for parallel connected three phase current transformer, involves comparing actual and desired power factors of transformer, based on which electromotive force is adjusted |
| 03/20/2002 | CN2482758Y Capacitor main switch mechanism in low-voltage reactive-load compensation equipment |
| 03/20/2002 | CN1340895A Motor-generator equipment |
| 03/20/2002 | CN1340894A Motor-generator equipment |
| 03/20/2002 | CN1340716A Electric power consumption system, information assembly and media |
| 03/19/2002 | US6359423 Method and system for suppressing a voltage fluctuation in a power system |
| 03/19/2002 | US6359422 Surge resistor for protecting active source of variable inductance in a power-factor correction arrangement |
| 03/19/2002 | CA2241795C Intelligent power supply with staged loading capability |
| 03/14/2002 | WO2002021661A1 Island network and method for operation of an island network |
| 03/14/2002 | WO2002021660A1 System and device for monitoring at least one household electric user, in particular a household appliance |
| 03/14/2002 | WO2001082438A3 Method and system for providing voltage support to a load connected to a utility power network |
| 03/14/2002 | WO2001055577A3 Method and device for generating power and heat |
| 03/14/2002 | WO2001039356A3 Method, system and computer program for controlling energy transfer from an energy storage device |
| 03/14/2002 | WO2001039345A3 Method and apparatus for providing power to a utility network |
| 03/14/2002 | US20020030478 Power consumption system and method, information assembly and medium |
| 03/14/2002 | US20020030365 Integrated control system and method for controlling mode, synchronization, power factor, and utility outage ride-through for micropower generation systems |
| 03/14/2002 | DE10041340A1 Device for feeding electrical energy from a photovoltaic device into an electrical energy mains supply, feeds DC electrical energy generated in the photovoltaic device into an AC electrical energy mains supply. |
| 03/13/2002 | EP1187293A2 Engine generator apparatus |
| 03/13/2002 | EP1187292A2 Engine generator apparatus and cogeneration system |
| 03/13/2002 | EP1187291A2 Method and system for connecting and synchronizing supplemental power source to a power grid |
| 03/13/2002 | EP0914700B1 Method and device for maintaining electric power supply in a multiphase electric energy distribution network |
| 03/13/2002 | CN1080943C Protection system for power receiving station |
| 03/12/2002 | US6356472 Interconnection system for transmitting power between electrical systems |
| 03/07/2002 | US20020027791 Inverter parallel operation system |
| 03/07/2002 | US20020027759 Reduction of harmonics in ac machines |
| 03/07/2002 | US20020027392 Battery storage for grid scale power within rights-of-way |
| 03/07/2002 | US20020027131 Thermal control apparatus and method for thermally controlling a plurality of objects within a predetermined temperature range |
| 03/07/2002 | DE10061724A1 System for supplying current from DC generator to AC supply, has switching element(s) for changeover to separate current generator from first inverter and connect to second inverter |
| 03/06/2002 | EP1184951A2 Method and system for controlling a power supply to electric loads |
| 03/06/2002 | EP1184768A2 Thermal control apparatus and method for thermally controlling a plurality of objects within a predetermined temperature range |
| 03/06/2002 | EP0861366B1 Method and device for rapid output adjustment of a power-generating facility |
| 03/06/2002 | CN2481037Y Phase-division classified reactive power compensation controller |
| 03/06/2002 | CN1339196A Method and apparatus for deriving characteristics of utility signal in AC machine drive system |
| 03/06/2002 | CN1338800A Power factor corrector with switching function and its method |
| 03/06/2002 | CN1080475C Ground fault protecting apparatus and method for solar power generating and solar power generation apparatus using apparatus and method |
| 02/28/2002 | WO2002017475A1 System and method for dual mode control of a turbogenerator/motor |
| 02/28/2002 | WO2002017151A1 Method to enable customers to respond to prices in a pool type energy market |
| 02/28/2002 | US20020024332 Methods and apparatus for controlling electric appliances during reduced power conditions |
| 02/28/2002 | US20020024325 Engine generator apparatus and cogeneration system |
| 02/28/2002 | US20020024323 Engine generator apparatus |
| 02/28/2002 | DE10039231A1 Electrical installation for building, has computer which controls or monitors switch member based on measured current values or time program |
| 02/28/2002 | DE10036866A1 Vorrichtung und Verfahren zur Verteilung von elektrischer Last auf eine Vielzahl von Lastverbrauchsvorrichtungen Apparatus and method for distribution of electrical load on a plurality of load devices consumption |