| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 03/15/2000 | CN1247404A Efficiency and application of high-frequency electricity |
| 03/15/2000 | CN1247402A AC distribution network |
| 03/15/2000 | CN1050464C Output voltage compensating circuit |
| 03/14/2000 | US6037758 Load controller and method to enhance effective capacity of a photovoltaic power supply |
| 03/09/2000 | WO2000013290A1 Parallel operation device |
| 03/09/2000 | WO2000013287A1 Communications processor, remote host and multiple unit control devices and methods for micropower generation systems |
| 03/09/2000 | WO2000013285A2 Integrated mode control for micropower systems |
| 03/09/2000 | WO2000013284A2 Line power unit for micropower generation |
| 03/09/2000 | WO1999067868A3 Hybrid filter for an alternating current network |
| 03/09/2000 | DE19844750C1 Power supply arrangement |
| 03/08/2000 | EP0983626A1 Remote-control monitoring of an electronic overcurrent trip |
| 03/08/2000 | CN1246972A Series compensation of electric alternating current machines |
| 03/08/2000 | CN1246971A Circuit for selective power supply to electrical unit |
| 03/08/2000 | CN1050183C Electric cooking apparatus |
| 03/07/2000 | US6035285 Electronic bill presenting methods and bill consolidating methods |
| 03/07/2000 | US6034507 Electric vehicle with secondary battery power storage system |
| 03/07/2000 | US6034445 Power source transfer lockout circuit |
| 03/07/2000 | US6034444 Power supply system |
| 03/02/2000 | DE19838111A1 Monitoring method for DC-link filter in HVDC power transmission installation |
| 03/02/2000 | DE19837561A1 Reactive power capacitor battery switching method in three phase symmetrical AC line supply network, using three AC current regulators |
| 03/02/2000 | DE19827755A1 Hybridfilter für ein Wechselspannungsnetz Hybrid filter for an AC power supply system |
| 03/01/2000 | EP0982828A2 Method and device for reactive power compensation of on-board networks |
| 03/01/2000 | EP0982827A1 Compensation device and power transmission system using a compensation device |
| 03/01/2000 | CN2367015Y Capacitor compensation type arrangement for starting electric motor |
| 03/01/2000 | CN2367004Y Domestic electricity saving means |
| 03/01/2000 | CN1245992A Compensation device and power transmission system using one compensation device |
| 02/29/2000 | US6031298 2N redundant power system and method using cross-coupled AC power transfer |
| 02/29/2000 | CA2208646C Multiple output, zero voltage switching, series resonant vhf inverter |
| 02/29/2000 | CA2115843C Computer-controlled circuit breaker energy management arrangement having reliable memory and clock |
| 02/24/2000 | WO1999062161A9 Energy coordination system |
| 02/24/2000 | DE19838229A1 Electric energy transmission system from photo-voltaic cells into electric supply network, stabilizes parameters of central DC voltage and/or current circuit through conventional DC pulse converter |
| 02/24/2000 | DE19836325A1 Current supply arrangement |
| 02/22/2000 | CA2154699C Energy saving power control system |
| 02/15/2000 | US6026349 Energy storage and distribution system |
| 02/15/2000 | US6025701 Static and dynamic mains voltage support by a static power factor correction device having a self-commutated converter |
| 02/15/2000 | US6025582 Output control for a microwave oven, a hood device and associated lamp |
| 02/15/2000 | CA2153834C Power distribution system having effectively zero electromagnetic field radiation |
| 02/10/2000 | WO2000007274A2 Active common-mode compensation for multi-phase inverters |
| 02/10/2000 | DE19912260A1 Stabilisatorvorrichtung und Stabilisierungsverfahren für ein Stromnetz Stabilizer apparatus and method for stabilizing a power grid |
| 02/09/2000 | CN2363421Y Three-phase rectifying circuit with power factor correction and harmonic suppressing circuit |
| 02/09/2000 | CN1244059A Device and method for stabilizing electric power system |
| 02/08/2000 | US6023152 System for stabilizing a power supply system |
| 02/02/2000 | CN2362222Y Domestic electrical equipment with reactive power compensating effect |
| 02/01/2000 | US6021401 Computer system, apparatus and method for calculating demand usage |
| 02/01/2000 | US6021035 Apparatus for protection of power-electronics in series compensating systems |
| 02/01/2000 | US6020726 AC voltage regulator |
| 02/01/2000 | US6019319 Momentum wheel energy storage system using magnetic bearings |
| 01/27/2000 | WO2000004621A1 High frequency energy network |
| 01/27/2000 | WO1999062162A3 Reactive power compensation with variable voltage |
| 01/26/2000 | EP0975080A2 Discharge device |
| 01/26/2000 | EP0974083A1 Flicker controllers using voltage source converters |
| 01/26/2000 | CN2361029Y Compensating delayed starting and controlling device for motor |
| 01/25/2000 | US6018690 Power supply control method, power supply control system and computer program product |
| 01/25/2000 | US6018203 Apparatus for and method of evenly distributing an electrical load across an n-phase power distribution network |
| 01/25/2000 | CA2156688C Converter connection with a balancing circuit |
| 01/19/2000 | EP0973248A2 Control method for constant-frequency inverter |
| 01/19/2000 | CN2359828Y Multipurpose electric-saving compensator |
| 01/18/2000 | US6016262 Converter equipment |
| 01/12/2000 | EP0970559A1 Voltage-stiff converter with high voltage cables of different poles arranged close to each other |
| 01/11/2000 | US6014322 Power supply unit, parallel operation control circuit applied thereto, and parallel operation control method |
| 01/11/2000 | US6014017 Method and apparatus for power factor correction by a compensation device having a pulse converter |
| 01/11/2000 | CA2076211C Energy monitoring system for a plurality of local stations with snapshot polling from a central station |
| 01/05/2000 | EP0969580A2 Secondary battery power storage system |
| 01/05/2000 | CN1048111C Phase-shifting transformer and protection system of phase-shifting transformer |
| 01/04/2000 | CA2016159C Harmonic reduction for multi-bridge converters |
| 12/29/1999 | WO1999067868A2 Hybrid filter for an alternating current network |
| 12/29/1999 | CN1240058A Apparatus for and method of evenly distributing electrical load across n-phase power distribution network |
| 12/29/1999 | CN1239909A Roll stand drive arrangement |
| 12/29/1999 | CN1047890C Control system for power conversion system |
| 12/29/1999 | CN1047889C Control system for power conversion system |
| 12/28/1999 | US6009004 Single-phase harmonic filter system |
| 12/28/1999 | US6008971 Fault protection arrangement for electric power distribution systems |
| 12/28/1999 | US6008633 High-power grid-compatible converter-controlled, voltage-injecting phase-shifting transformer |
| 12/28/1999 | US6008548 Programmable logic controller for resonance control in complex capacitor switching |
| 12/23/1999 | DE19827259A1 Flywheel-type power supply installation e.g. for telecommunications engineering |
| 12/22/1999 | EP0965159A1 An active filter device |
| 12/22/1999 | CN2355488Y Reactive random compensation loaded switch |
| 12/22/1999 | CN1239344A Power electronic circuit for compensating electric network interference and electric voltage disturbance |
| 12/16/1999 | DE19856091A1 Control signal processor for power circuit regulator in generator stimulation system, |
| 12/15/1999 | CN2354287Y Current-sectional capacitance automatic-compensating controller |
| 12/15/1999 | CN2354286Y Reactive comprehensive automatic control device for voltage of serial communication transformer sation |
| 12/14/1999 | US6002289 Voltage peak switch closing method for shunt capacitor energization |
| 12/09/1999 | WO1999063641A1 Detection of faults on transmission lines in a bipolar high-voltage direct current system |
| 12/09/1999 | WO1999063640A1 Power-factor correction arrangement |
| 12/09/1999 | WO1999063639A1 System for compensating harmonics in an electric network |
| 12/08/1999 | CN2353079Y Low voltage full automatic reactive power compensator |
| 12/08/1999 | CN1237823A Magnetic differential induction voltage regulator and its constituent voltage-regulating power supply and power factor compensator |
| 12/08/1999 | CN1237821A (Small self-excited power generation equipment) Electric sea |
| 12/08/1999 | CN1237819A Control signal processing device and electric power system stabilizer |
| 12/07/1999 | US5999430 Inverter control unit |
| 12/07/1999 | US5999422 Control equipment for an active filter |
| 12/07/1999 | US5999388 Method and apparatus for limiting current in a direct voltage network of a power transmission system |
| 12/07/1999 | US5998886 Power supply apparatus having a function of compensating for changes in voltage |
| 12/07/1999 | CA2041272C Phase controlled capacitor for series compensation of a high voltage transmission line |
| 12/02/1999 | WO1999062162A2 Reactive power compensation with variable voltage |
| 12/02/1999 | WO1999062161A1 Energy coordination system |
| 12/02/1999 | WO1999061745A1 Arrangement for the removal of cuttings and gas arising from drilling operations |
| 12/02/1999 | DE19824168A1 Power distribution circuit for two electrical appliances connected to same power supply |
| 12/02/1999 | DE19822467A1 Switching method for multiple electrical loads, such as motors or pumps |
| 12/02/1999 | CA2333367A1 Energy coordination system |