| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 10/21/1986 | US4618920 Frequency control circuit |
| 10/15/1986 | EP0197352A1 Method and device for the operation of a HVDC short interconnection in case of power system faults |
| 10/14/1986 | US4617472 Recreational vehicle power control system |
| 10/14/1986 | CA1212750A1 Recreational vehicle power control system |
| 10/07/1986 | CA1212414A1 Method and apparatus for selective cancellation of subsynchronous resonance |
| 10/01/1986 | EP0196030A2 Hydraulic buffer |
| 09/30/1986 | US4614877 Apparatus for a redundant power supply |
| 09/24/1986 | EP0195697A1 Device to reduce the energy consumption of electric motors |
| 09/24/1986 | EP0195390A2 Method and device for preventing an electric alternating current generator from falling out of step |
| 09/23/1986 | US4613760 Alternating current electrical power generating system |
| 09/17/1986 | EP0194574A2 Transient free solid state automatic power factor correction |
| 09/16/1986 | US4612619 Energy management load leveling |
| 09/16/1986 | CA1211503A1 Electric generator control system |
| 09/16/1986 | CA1211501A1 High voltage power supply |
| 09/12/1986 | WO1986005330A1 Circuit arrangement for simultaneous connection of several users to a supply network |
| 09/03/1986 | EP0193485A1 Load current management system for automotive vehicles |
| 09/03/1986 | EP0192959A1 Flux control for induction motor drive using load commutated inverter circuit |
| 09/02/1986 | US4609862 Twin winding three-phase alternator with zero slot coupling |
| 09/02/1986 | CA1210809A1 Method and apparatus for electrical power conversion |
| 08/26/1986 | CA1210445A1 Method and circuit arrangement for operating a high voltage direct current line between two alternating voltage systems |
| 08/20/1986 | CN85201651U Model bj-4 hand-operated regulated capacitor panel |
| 08/19/1986 | US4607206 Flux control for induction motor drive using load commutated inverter circuit |
| 08/14/1986 | WO1986004751A1 A.c. power supply systems |
| 08/12/1986 | US4605890 Synchro power amplifier and control circuit for automatically tuning an inductive load |
| 08/06/1986 | EP0189832A1 Excitation current control for induction motor drive using load commutated inverter circuit |
| 08/05/1986 | CA1209228A1 Electric timing control switch |
| 07/30/1986 | EP0189037A1 Static VAR compensator |
| 07/30/1986 | EP0188638A1 Method for connecting electric synchronous machines and/or alternating current electric networks in parallel |
| 07/30/1986 | CN85108055A Distributed electric power demand control |
| 07/23/1986 | EP0188396A2 Steroids substituted in position 10, their preparation and intermediates obtained in their preparation, their use as medicaments and pharmaceutical compositions containing them |
| 07/22/1986 | US4602206 Capacitance control for a static var generator |
| 07/22/1986 | US4602199 Control for induction motor drive using load commutated inverter circuit |
| 07/22/1986 | US4602198 Induction motor drive using load commutated inverter circuit |
| 07/22/1986 | CA1208286A1 Static var generator having a thyristor circuit arrangement providing reduced losses |
| 07/16/1986 | EP0187312A1 Filter circuit |
| 07/15/1986 | US4600981 Margin angle responsive method and apparatus for controlling reactive power in a HVDC system |
| 07/15/1986 | US4600874 Excitation current control for induction motor drive using load commutated inverter circuit |
| 07/09/1986 | EP0187042A2 Apparatus for operating cycloconverters in parallel fashion |
| 07/09/1986 | EP0186849A2 Control apparatus of AC/DC power converter |
| 07/08/1986 | US4599553 For providing reactive compensation output to an electrical system |
| 07/08/1986 | CA1207424A1 Processes and devices for providing a load with an electric ac supply, without discontinuity of the ac signal |
| 07/02/1986 | EP0185991A1 Control apparatus |
| 07/01/1986 | US4598350 Power converter control apparatus and power converter control method |
| 06/18/1986 | EP0184653A2 Running-up method and apparatus for starting a rotative frequence converter |
| 06/17/1986 | CA1206199A1 Voltage regulator |
| 06/11/1986 | CN85203734U Wattless power compensating device |
| 06/11/1986 | CN85201042U Constant leading time type quasi-synchronizer |
| 06/04/1986 | EP0183044A1 Device for limiting the changing rate of an alternating current delivered by a superconducting generator |
| 05/28/1986 | EP0182590A2 Var generator having controlled discharge of thyristor switched capacitors |
| 05/27/1986 | US4591914 Apparatus for controlling power supply to electronic circuitry |
| 05/20/1986 | US4590416 Closed loop power factor control for power supply systems |
| 05/20/1986 | CA1204822A1 Power-factor regulating method for connection of a capacitor to a line and embodying the method |
| 05/13/1986 | US4588900 Inverter control system |
| 05/07/1986 | EP0180231A2 Static var compensator circuit |
| 05/06/1986 | US4587474 Control for bumpless transfer of an AC motor between a solid-state inverter and a supply mains |
| 05/06/1986 | CA1204157A1 Electrical energy production and distribution system for vehicles |
| 04/30/1986 | CN85203178U Automatic voltage compensator |
| 04/29/1986 | US4585949 Method of and apparatus for shaft power generation |
| 04/23/1986 | CN85202740U Electric power controlling device for brownout to user |
| 04/22/1986 | CA1203565A1 Method and apparatus for controlling the power factor of an induction-motor |
| 04/22/1986 | CA1203564A1 Three-phase power factor controller with induced emf sensing |
| 04/16/1986 | CN85201720U Detector for power factor autocompensation |
| 04/15/1986 | US4583182 Controllable risk parameter for device control system |
| 04/08/1986 | US4581568 Method and apparatus for automatically setting the demand phase lag input to an induction-motor power factor controller |
| 04/01/1986 | CA1202674A1 Power factor correction for variable speed drive |
| 03/25/1986 | US4578743 Converter control system having stable power transfer in the presence of decreased input AC voltage |
| 03/12/1986 | EP0173768A1 Method for parallel connection of electric synchronous machines and/or electric 3 phase networks |
| 03/11/1986 | US4575673 Solid state electronic switch for motor vehicles |
| 03/11/1986 | US4575671 Methods and apparatus for synchronizing multiple motor driven generators |
| 03/05/1986 | EP0173175A2 Method for controlling a static converter in an HVDC power transmission system and a converter with control means for carrying out the method |
| 02/18/1986 | US4571535 VAR Generator having controlled discharge of thyristor switched capacitors |
| 02/12/1986 | CN85201238U Commutating type current phase relay |
| 01/28/1986 | US4567424 Reactive power compensator with capacitor and capacitor discharge circuit |
| 01/28/1986 | US4567423 Phase shifting transformer arrangement for damping subsynchronous oscillations |
| 01/21/1986 | US4565953 Twelve pulse AC motor drive |
| 01/15/1986 | EP0168147A1 Power factor controller |
| 01/08/1986 | EP0167299A2 Monitoring power usage |
| 01/08/1986 | EP0166954A1 Method for the reduction of dynamic overvoltages in an alternating current grid system |
| 01/07/1986 | US4563732 Static converter for HVDC power transmission |
| 12/31/1985 | US4562313 Electrical systems comprising temperature-sensitive devices |
| 12/31/1985 | CA1198840A1 Demand estimation apparatus |
| 12/24/1985 | US4560917 Static VAR generator having reduced harmonics |
| 12/20/1985 | CN85103037A Electric power system stabilizer designing for optimal controlling simulated state quantities |
| 12/11/1985 | EP0163915A2 Electrical domestic installation |
| 12/10/1985 | US4558230 High integrity dual input power supply |
| 11/27/1985 | EP0162425A1 Method and system for controlling an AC-DC converter system |
| 11/26/1985 | US4555750 Control apparatus for D.C. power transmission system |
| 11/26/1985 | US4555659 Static VAR generator system having improved response time |
| 11/26/1985 | US4555658 Circuit arrangement for the compensation of reactive power in an electrical alternating-current power system |
| 11/21/1985 | EP0161620A1 Device delivering a fault indicating signal for an electrical circuit connected to the power network |
| 11/21/1985 | EP0161451A1 Device for producing a signal corresponding to a variable related to the reactive power of an arc furnace for controlling a reactive power compensator |
| 11/19/1985 | US4554502 Power factor correction system |
| 11/19/1985 | CA1196956A1 Device for stabilizing the voltage of a single-or multi-phase a-c network |
| 11/13/1985 | EP0160894A2 Control method and control apparatus for controlling a power converter |
| 11/12/1985 | CA1196686A1 Regulating system employing an rms composite controller |
| 11/06/1985 | EP0160556A2 Diagnostic system and method |
| 11/05/1985 | US4551812 Energy controller and method for dynamic allocation of priorities of controlled load curtailment to ensure adequate load sharing |
| 11/05/1985 | US4551633 Voltage compensating system |
| 11/05/1985 | US4551632 System for producing and distributing electrical energy for vehicles particularly aircraft, as well as an electrical power center for such a system |
| 10/29/1985 | US4550379 Method of electric power plant operation |