| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 08/23/2001 | WO2001061838A1 An energy generating and supply system |
| 08/23/2001 | WO2001061833A1 Dual-input, automatic-switching power supply |
| 08/23/2001 | WO2001061820A1 Decentralised energy network system |
| 08/22/2001 | EP1126573A2 Damping device for at least one electrical cable |
| 08/22/2001 | CN2444331Y Electric source device capable of regurating peak value by user |
| 08/22/2001 | CN1309451A Electric power transformation system and method for controlling power transformer |
| 08/22/2001 | CN1309448A Power factor compensator for correcting unbalance in three phases of current |
| 08/21/2001 | US6278622 Electric power source apparatus including electric power converter circuit and method for controlling the same |
| 08/21/2001 | US6278262 Auxiliary power unit system and method of operating an auxiliary power unit |
| 08/21/2001 | US6278200 Current management system for a telecommunications power system |
| 08/21/2001 | CA2145471C Overcurrent trip unit with separately adjustable neutral protection |
| 08/16/2001 | DE10004458A1 Schaltungsanordung zur Reduzierung von Oberschwingungsströmen in einem ein- oder mehrphasigen Versorgungsnetz mit oder ohne Nulleiter Circuit arrangement for reducing harmonic currents in a single- or multi-phase power supply with or without neutral |
| 08/15/2001 | CN1308787A Device for creating a neutral point in an electrical system |
| 08/15/2001 | CN1308785A Method and device for reducing the current in the neutral conductor |
| 08/14/2001 | CA2247353C Encoder apparatus and methods employing optical and graphical programming |
| 08/09/2001 | US20010012211 Power system stabilization system and method employing a rechargeable battery system |
| 08/09/2001 | US20010011618 Elevator control apparatus using charge/discharge control circuit for power storage apparatus |
| 08/08/2001 | EP1122856A2 Power system stabilization system and method employing a rechargeable battery system |
| 08/08/2001 | CN2442437Y One group silicon controlled reactifier projection and switch multiway capacitance compensator |
| 08/08/2001 | CN1307389A Fully automatic contactless throw-in and throw-off reactive compensator |
| 08/02/2001 | WO2001056131A1 Improved method for supplying electric power to a network using an alternating current generator associated with a turbine |
| 08/02/2001 | WO2001055577A2 Method and device for generating power and heat |
| 08/02/2001 | DE10003186A1 Verfahren und Vorrichtung zur Strom- und Wärmeerzeugung Method and apparatus for generating electricity and heat |
| 08/02/2001 | CA2365632A1 Improved method for supplying electric power to a network using an alternating current generator associated with a turbine |
| 08/01/2001 | EP1119893A1 System for supplying power to a load connected to a distribution network |
| 08/01/2001 | EP0640254B1 A non-contact power distribution system |
| 08/01/2001 | CN2441254Y Reactance style energy saving device |
| 08/01/2001 | CN1306687A Hybrid filter for alternating current network |
| 07/26/2001 | WO2001054256A1 Method and apparatus for a solar power conditioner |
| 07/25/2001 | EP1118151A1 Electrical power transmission system |
| 07/19/2001 | WO2001052379A2 Electric power system based on renewable energy sources |
| 07/18/2001 | CN2439746Y Reactance type electric power compensator |
| 07/18/2001 | CN2439745Y Stepped voltage regulating type high voltage dynamic reactive compensator |
| 07/18/2001 | CN1304201A Switchover apparatus and method for electric source system |
| 07/12/2001 | WO2001050570A1 Method and apparatus for multifrequency power distribution |
| 07/12/2001 | WO2001050568A1 Method and circuit for using polarized device in ac applications |
| 07/11/2001 | CN1303159A Dynamic analog device of controllable serial capacitors compensation |
| 07/11/2001 | CN1303158A Tripper for electric consumption |
| 07/10/2001 | US6259614 Power factor correction control circuit |
| 07/05/2001 | DE19961705A1 Arrangement for decentralized supply of regenerative energy performs voltage regulation at combination point for controlled improvement of quality of electrical supply |
| 07/05/2001 | DE19960491A1 Vorrichtung und Verfahren zur Steuerung des Antriebs einer Fördereinrichtung Apparatus and method for controlling the drive of a conveyor device |
| 07/04/2001 | EP1113560A2 Power converter system and method of controlling power converter |
| 07/04/2001 | CN1302110A Power system monitor and controller, its equipoment information forming device, and its storage medium |
| 07/04/2001 | CN1301662A Lift controller |
| 07/04/2001 | CN1068147C Method for static and dynamic control of mains voltage and device for realizing said method |
| 07/03/2001 | US6255806 Supply device for power supply to an electronic unit in a semiconductor valve in a shunt-connected thyristor-switched capacitor |
| 07/03/2001 | US6255805 Device for electrical source sharing |
| 06/28/2001 | WO2001047100A1 Auxiliary electrical power generation system and method of operating same |
| 06/28/2001 | WO2001047098A1 Energy conserving motor controller |
| 06/28/2001 | WO2001047086A1 Sub-harmonic detection and control system |
| 06/28/2001 | WO2001047082A1 Rack mountable power distribution apparatus |
| 06/28/2001 | US20010005802 Energy and power interchange system and its method |
| 06/28/2001 | US20010005321 Power converter system and method of controlling power converter |
| 06/28/2001 | CA2362651A1 Sub-harmonic detection and control system |
| 06/27/2001 | CN2437070Y Self-fault diagnosis type power distributor |
| 06/27/2001 | CN1301424A Power system |
| 06/26/2001 | US6252753 Energy service stabilizer |
| 06/26/2001 | US6252311 Load sensor and controller/manager |
| 06/21/2001 | WO2001045227A1 Method for designing a power factor controller apparatus |
| 06/21/2001 | WO2001044083A1 Process for switching between mains supply and a frequency inverter and vice versa for an escalator drive |
| 06/21/2001 | WO2000016463A9 Man-machine interface for a custom tabular display |
| 06/21/2001 | US20010004322 Interconnection power converter and power generation apparatus using the same |
| 06/21/2001 | DE19959573A1 Circuit for three-phase transmission system has reactive impedance selected or that can be selected so reactive power of system can be compensated at mains frequency or for harmonic(s) |
| 06/21/2001 | DE19957261A1 Electrical power supply arrangement with superconducting magnets as energy store |
| 06/21/2001 | CA2394316A1 Method for designing a power factor controller apparatus |
| 06/20/2001 | EP1109283A1 Method for designing a power factor controller apparatus |
| 06/20/2001 | EP1109282A1 A medium voltage power factor controlled switchboard |
| 06/20/2001 | CN2435874Y Multi-functional compensating device for reduction of harmonics and flicker in power and electronic system |
| 06/20/2001 | CN1300126A Controller for controlling decoupling of transformer-free reactive series compensater |
| 06/19/2001 | US6249719 Applications and methods for voltage instability predictor (VIP) |
| 06/19/2001 | US6249108 Unified constant-frequency integration control of active power filters |
| 06/19/2001 | CA2268480C Universal harmonic mitigating system |
| 06/14/2001 | WO2001041547A2 Capacitor bank switching |
| 06/13/2001 | EP1107439A2 Interconnection power converter and power generation apparatus using the same |
| 06/13/2001 | DE19959572A1 Circuit for three-phase transmission system has reactive impedance selected or that can be selected so reactive power of system can be compensated at mains frequency or for harmonic(s) |
| 06/13/2001 | CN1067188C Power inverter having three or more parallel driven PWM-type power inverting unit |
| 06/12/2001 | US6246218 Method and control device for stabilizing a power supply network |
| 06/07/2001 | WO2001041293A1 Method and apparatus for deriving characteristics of a utility signal in an ac machine drive system |
| 06/07/2001 | WO2001041280A1 Method and apparatus of managing ephemeral, fungible commodities based upon real-time forward prices |
| 06/07/2001 | WO2001041279A1 Method and system of managing ac power networks based upon flow-gate market transactions |
| 06/07/2001 | US20010002774 Apparatus and method for powering multiple peripheral devices from a color-coded central power source |
| 06/06/2001 | EP1104591A1 Power system |
| 06/06/2001 | EP1104590A1 Energy coordination system |
| 06/06/2001 | CN2433763Y Microcomputer automatic sub-synchronous control device |
| 06/06/2001 | CN2433760Y Thunder-lightning-proof overtension combination protection equipment |
| 06/06/2001 | CN1298191A Synchronous open-circuit method for breaker of power generator and its control equipment |
| 06/06/2001 | CN1066694C Stand-by power system |
| 06/05/2001 | US6242895 Controller of adjustable DC voltage for a transformerless reactive series compensator |
| 05/31/2001 | WO2001039356A2 Method, system and computer program for controlling energy transfer from an energy storage device |
| 05/31/2001 | WO2001039349A1 Voltage regulation of a utility power network |
| 05/31/2001 | WO2001039345A2 Method and apparatus for providing power to a utility network |
| 05/31/2001 | CA2676240A1 Voltage regulation of a utility power network |
| 05/30/2001 | EP0901691B1 Control equipment for an active filter |
| 05/29/2001 | US6239997 System for connecting and synchronizing a supplemental power source to a power grid |
| 05/25/2001 | WO2001037392A1 Electrical control system |
| 05/25/2001 | CA2391615A1 Electrical control system |
| 05/23/2001 | EP1102380A1 Power transmission apparatus and method for power transmission |
| 05/23/2001 | CN1066290C High-voltage dc transmission system |
| 05/22/2001 | US6236261 Multi-driving apparatus by a multi-level detection and a method for controlling the same |
| 05/22/2001 | US6234427 Solar array regulation and spacecraft pointing using flywheel energy storage with programmable voltage control |