| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 06/10/1987 | EP0224711A1 Method for the switching failure protected actuation of circuit breakers of a switch gear installation |
| 06/09/1987 | US4672522 Power factor correcting network |
| 06/09/1987 | US4672519 Method for controlling a H.V.D.C. power transmission plant and a control means embodying the method |
| 06/09/1987 | US4672298 Power factor correction system |
| 06/02/1987 | US4670713 Tieline control |
| 05/27/1987 | EP0223362A2 Arrangement for switching rectified alternating current |
| 05/27/1987 | CN86106752A Automatic control devices for generating station |
| 05/26/1987 | CA1222284A1 High voltage d-c transmission power station with a generator transformer |
| 05/21/1987 | DE3533232A1 Device for using reactive energy |
| 05/20/1987 | CN86203937U Spark gap switching-in mechanism for ultra-high voltage parallel |
| 05/12/1987 | US4665322 Uninterruptible polyphase AC power supply |
| 05/06/1987 | EP0220713A2 Flywheel power source apparatus |
| 05/06/1987 | EP0220504A2 Multiple time delay power controller apparatus |
| 05/05/1987 | US4663723 Demand estimation apparatus |
| 05/05/1987 | CA1221411A1 Closed loop power factor control for drilling rigs |
| 04/29/1987 | CN86100172A Im (impedance matching) approach for power supply of a.c. electrified railway |
| 04/28/1987 | US4661897 Phase modulated, resonant power converting high frequency link inverter/converter |
| 04/28/1987 | US4661882 Power supply/sink for use with switched inductive loads |
| 04/28/1987 | US4661763 Phase shifter |
| 04/28/1987 | US4660689 Hydraulic buffer |
| 04/22/1987 | EP0082160B1 Static reactive compensator |
| 04/21/1987 | US4659974 Controlling electrical phase connections to a three-phase device |
| 04/21/1987 | US4659943 Peak demand limiter |
| 04/16/1987 | DE3536448A1 Electrical power supply installation having a shaft generator |
| 04/15/1987 | EP0218225A2 Transmission line mounted sensor module |
| 04/15/1987 | EP0218224A2 Tool for mounting a sensor module on a live power transmission line |
| 04/15/1987 | EP0218223A2 Hinge clamp for securing a sensor module on a power transmission line |
| 04/15/1987 | EP0218222A2 Apparatus for data transmission from multiple sources on a single channel |
| 04/15/1987 | EP0218221A2 Apparatus for measuring the potential of a transmission conductor |
| 04/15/1987 | EP0218220A2 Apparatus for measuring and calculating fourier components of a power line parameter |
| 04/14/1987 | US4656835 Demand limit control by integral reset of thermostats |
| 04/08/1987 | EP0217298A2 Self-commutated power converter |
| 04/07/1987 | US4656593 Multi-function load controller for carrier load control subsystem |
| 04/01/1987 | EP0216373A2 Induction generator/motor system |
| 04/01/1987 | EP0216263A2 Security apparatus for power converter |
| 04/01/1987 | EP0216048A2 Regulation method for a direct current high-voltage power transmission between two three-phase networks |
| 03/24/1987 | US4652770 Power source device for a load with a stand-by power supply system |
| 03/18/1987 | EP0214774A2 Three-phase alternator |
| 03/18/1987 | EP0214661A2 Reactive power compensation apparatus |
| 03/18/1987 | EP0214196A1 Circuit arrangement for simultaneous connection of several users to a supply network |
| 03/18/1987 | CN85106414A Control device for ac-dc converter |
| 03/17/1987 | US4651265 Active power conditioner system |
| 03/11/1987 | EP0213877A2 Control device for power converter apparatus |
| 03/10/1987 | US4649466 Method and circuit arrangemeant for operating a high voltage direct current line between two alternating voltage systems |
| 03/04/1987 | EP0212417A1 Turbo-generator regulation device |
| 03/04/1987 | EP0212172A1 Current oscillations compensation method and device |
| 03/04/1987 | EP0211881A1 A.c. power supply systems. |
| 03/03/1987 | US4648018 Method and apparatus to operate a high-voltage DC transmission system (HVDC) with automatic control of the converters |
| 03/03/1987 | US4647837 Reactive-power compensator for compensating a reactive-current component in an alternating-voltage system |
| 03/03/1987 | CA1218714A1 Core form transformer for selective cancellation of subsynchronous resonance |
| 02/26/1987 | WO1987001237A1 Remote control circuit breaker |
| 02/25/1987 | CN86106069A Automatic putting in and cutting off device for power transformer |
| 02/24/1987 | US4645997 Transient free solid state automatic power factor correction |
| 02/24/1987 | US4645940 Interrupt-free, unregulated power supply |
| 02/17/1987 | US4644248 Line fault tolerant synchronous timing reference generator for static VAR generators |
| 02/11/1987 | CN86102657A Automatic compensation control method and compensation system for imaginary |
| 02/10/1987 | US4642549 Ferroresonant constant AC voltage regulator |
| 02/10/1987 | US4642535 Electromagnetic energy storage and supply system |
| 02/10/1987 | CA1217812A Circuit arrangement for the compensation of reactive power in an electrical alternating-current power system |
| 02/10/1987 | CA1217809A Converter control system |
| 02/03/1987 | US4641248 Method for determining reliability in electric power system |
| 02/03/1987 | US4641232 Electrical power inverter having a phase modulated, twin-inverter, high frequency link and an energy storage module |
| 01/31/1987 | CN86105780A Voltage-control type adjustable capacitor compensation filter device |
| 01/31/1987 | CN85102164A Series resonance constant-current electric charging machine with overdamping |
| 01/29/1987 | WO1987000701A1 Synchronizing circuit for a plurality of power units |
| 01/28/1987 | EP0209944A1 Static device for regulating energy exchange between generator or receptor systems |
| 01/27/1987 | US4639848 Method and system for controlling an AC-DC converter system |
| 01/27/1987 | US4639846 Method and compensating device for compensating current oscillations |
| 01/27/1987 | US4639728 Method of and system for accumulating verifiable energy demand data from remote electricity meters |
| 01/27/1987 | US4639609 Load current management system for automotive vehicles |
| 01/21/1987 | EP0209421A1 Automatic distribution device for domestic electric installations or the like |
| 01/20/1987 | US4638416 Method and apparatus for high-voltage D.C. transmission with a bypass circuit for malfunctions |
| 01/20/1987 | US4638415 Method and apparatus for resumption of normal operation of a high-voltage D. C. transmission line |
| 01/20/1987 | US4638238 Switching technique for thyristor-switched capacitors to achieve network damping |
| 01/20/1987 | US4638178 Modular power system |
| 01/14/1987 | EP0208597A1 Power adapter for electric installations, especially domestic installations |
| 01/13/1987 | US4636992 Device for supplying electric power to electronic apparatuses of an acoustic wave receiving assembly of great length |
| 01/13/1987 | US4636708 Static VAR generator |
| 01/07/1987 | CN85104919A Method and device to perform an automatic quasi-synchronization for synchro-generator |
| 12/30/1986 | US4633184 Device for generating a signal corresponding to a variable magnitude associated with the reactive power of an arc furnace in order to control a reactive power compensator |
| 12/30/1986 | EP0206578A2 Power system stabilizing apparatus |
| 12/17/1986 | EP0205100A2 Method and system for preventing an excessive voltage build-up in a power converter system |
| 12/17/1986 | CN86200041U Automatic compensator of power factor |
| 12/16/1986 | US4629969 Apparatus for generating a signal indicative of a fault occurring in an electric circuit connected to an AC network |
| 12/16/1986 | US4629947 Electric vehicle drive system |
| 12/09/1986 | US4628246 Method for phasic sequential coupling of three-phase short-circuit generators |
| 12/03/1986 | EP0203436A1 Method and run-up device for starting up a slip-ring rotor asynchronous machine |
| 11/25/1986 | US4625269 High voltage D-C transmission power station with a generator transformer |
| 11/25/1986 | US4625161 Control pulse generator for thyristors supplying a reactive power regulating inductor in an electrical power network |
| 11/20/1986 | EP0201636A1 Noise erasing apparatus for stimulable phosphor sheet |
| 11/18/1986 | US4623859 Remote control circuit breaker |
| 11/11/1986 | US4622640 Power load survey apparatus |
| 11/11/1986 | US4622474 Alternating-current filter circuit arrangement |
| 11/04/1986 | US4621198 Method and system for interconnecting two synchronous or asynchronous electrical alternating three-phase networks by means of variable reactive impedances |
| 10/29/1986 | EP0199695A2 Optimal control power system stabilizer using simulating state variables |
| 10/29/1986 | CN85200850U Low consumption dynamic power factor compensator |
| 10/28/1986 | US4620283 For minimizing during a billing period the on-peak power demand |
| 10/28/1986 | CA1213323A1 Reactive power compensator with capacitor and capacitor discharge circuit |
| 10/22/1986 | EP0198222A2 Power distribution method |
| 10/21/1986 | US4618923 Direct current tight coupling |