| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 02/22/1995 | CN2190360Y Low voltage distributing box |
| 02/21/1995 | US5392184 Method and apparatus for relieving a capacitor of a controlled series compensator as a function of the load on its arrester |
| 02/14/1995 | US5390102 Parallel running control apparatus for PWM inverters |
| 02/14/1995 | US5389869 Power control system for an A.C. induction motor |
| 02/09/1995 | WO1995004395A1 Hvdc transmission |
| 02/07/1995 | US5388033 Real time load allocation with additional constraints |
| 02/07/1995 | US5387821 Power distribution circuit with power factor correction and independent harmonic current filter |
| 02/02/1995 | WO1995003645A1 Process and arrangement for limiting short circuit current on an electric energy transmission line |
| 02/02/1995 | CA2168025A1 Method for short-circuit current limiting on an electrical power transmission line, and an arrangement for short-circuit limiting |
| 01/31/1995 | US5386147 Aerospace power control system for monitoring and reliably transferring power buses |
| 01/26/1995 | WO1995002920A1 Efficient control system for electric motors |
| 01/26/1995 | WO1995002919A1 Method and device for firing an m-pulse d.c./a.c. converter assembly consisting of a master d.c./a.c. converter and at least one slave d.c./a.c. converter |
| 01/26/1995 | CA2166862A1 Efficient control system for electric motors |
| 01/25/1995 | EP0635172A1 Compact and efficient transformerless power conversion system |
| 01/24/1995 | US5384696 Active power line conditioner with fundamental negative sequence compensation |
| 01/24/1995 | US5384528 Method and apparatus for recognizing defects in a triggering system of a controlled series compensator |
| 01/24/1995 | US5384490 Universal power distribution system |
| 01/19/1995 | DE4323290A1 Arrangement having an oblique transformer |
| 01/18/1995 | EP0634833A1 Control system for power converter |
| 01/17/1995 | US5383084 Circuit analyzing system |
| 01/17/1995 | US5382834 Electrical transit power supply system |
| 01/11/1995 | EP0633641A1 Reactive power compensating apparatus capable of reducing in switching loss in steady state operation thereof |
| 01/11/1995 | CN1027414C Apparatus for controlling of parallel-working pulse with modulating inverters |
| 01/05/1995 | WO1995001002A1 Hybrid series active/parallel passive power line conditioner with controlled harmonic injection |
| 01/05/1995 | WO1995000894A1 Overload management system |
| 01/05/1995 | CA2161139A1 Hybrid series active/parallel passive power line conditioner with controlled harmonic injection |
| 12/28/1994 | EP0631374A2 Induction motor control apparatus providing high efficiency with rapid response to changes in load torque |
| 12/28/1994 | EP0631362A1 Reactive power-compensating arrangement |
| 12/28/1994 | EP0630534A1 Electric enery transmission system |
| 12/28/1994 | EP0617858A4 Conversion of three-phase line voltages. |
| 12/28/1994 | EP0569557A4 Phase-shifting transformer system. |
| 12/27/1994 | US5377092 Method and apparatus for harmonic distortion correction |
| 12/27/1994 | US5376828 Shunt connected superconducting energy stabilizing system |
| 12/22/1994 | WO1994029939A1 Process and device for reducing asymmetric voltages in a three-phase system by means of a static compensator |
| 12/22/1994 | CA2164309A1 Method and device for reducing voltage imbalances in a three-phase network by means of a static compensator |
| 12/22/1994 | CA2126398A1 Induction motor control apparatus providing high efficiency with rapid response to changes in load torque |
| 12/21/1994 | EP0630099A1 Power converter |
| 12/21/1994 | CN2185922Y A.C. condenser contactor with current suppressor and discharge function |
| 12/20/1994 | US5375245 Apparatus for automatically reducing the power consumption of a CRT computer monitor |
| 12/20/1994 | US5374853 Transient damping thyristor controlled series capacitor system |
| 12/13/1994 | US5373224 Method and apparatus for varying the power in a load connected to the mains |
| 12/13/1994 | US5373194 Reactive power control system |
| 12/08/1994 | WO1994028608A1 Control of electric loads during generator failure in a multi-generator system |
| 12/08/1994 | CA2161528A1 Control of electric loads during generator failure in a multi-generator system |
| 12/07/1994 | CN2185002Y Low voltage reactive power conpensation box controller |
| 12/06/1994 | US5371664 Line-commutated and self-commutated combined power conversion system |
| 11/30/1994 | EP0626108A1 Device and process for reversibly storing electric power by its reversible transformation. |
| 11/30/1994 | CN2184283Y High voltage capacitance compensation switch box |
| 11/29/1994 | US5369353 Controlled electrical energy storage apparatus for utility grids |
| 11/29/1994 | CA1333290C Series capacitor equipment |
| 11/24/1994 | WO1994027357A1 A power converter with star configured modules |
| 11/24/1994 | WO1994027351A1 Method of phase-shifting voltages applied to susceptances interconnecting two synchronous polyphase ac networks and a phase-shifting interconnecting apparatus thereof |
| 11/24/1994 | WO1994027195A1 Management equipment for generators of electrical energy |
| 11/24/1994 | WO1994022200A3 Synchronizing device |
| 11/23/1994 | EP0625816A1 Method for the storage and controlled supply of electric energy for discontinuous loads in steelworks |
| 11/22/1994 | US5367246 Electronic energy saving device |
| 11/22/1994 | US5367197 Series capacitor equipment |
| 11/17/1994 | EP0594833A4 Vernier control system for subsynchronous resonance mitigation. |
| 11/04/1994 | CA2095371A1 Sasb/aoss (stand-alone static bypass)(add-on static switch) |
| 11/02/1994 | EP0622974A1 Improved rectifier for powering a DC arc furnace |
| 11/02/1994 | EP0621993A1 Power supply |
| 11/02/1994 | CN1094545A Power consumption limiter especially for alternative energy sources |
| 10/27/1994 | WO1994024752A1 Modular thyristor controlled series capacitor control system |
| 10/27/1994 | WO1994024751A1 Transient damping thyristor controlled series capacitor system |
| 10/27/1994 | WO1994024622A1 Turnoff thyristor controlled series compensation system |
| 10/26/1994 | EP0621659A1 Hysteresis in a circuit for sensing presence of a plug |
| 10/26/1994 | CN2181114Y Three-phase ac power supply wave filter |
| 10/26/1994 | CN1026375C Reactive power compensating apparatus with higher harmonic suppressing function |
| 10/25/1994 | US5359275 Load current fundamental filter with one cycle response |
| 10/19/1994 | EP0620631A1 Management system for domestic electric loads |
| 10/18/1994 | US5357419 Compact and efficient transformerless power conversion system |
| 10/13/1994 | DE4307607A1 Circuit arrangement for uniform current division in the parallel connection of partial-rectifier groups |
| 10/12/1994 | EP0619537A1 A method of operating a plurality of ultilities, a utilities network system for carrying out the method and a control device for such a network |
| 10/12/1994 | CN2179654Y Power quantitative limit load-regulating and energy-saving carrier remote-control system |
| 10/12/1994 | CN1093497A Overvoltage limiter operated by capacitor bank |
| 10/11/1994 | US5355295 Series-parallel active power line conditioner utilizing temporary link energy boosting for enhanced peak voltage regulation capability |
| 10/11/1994 | US5355076 Phase controlled capacitor for series compensation of a high voltage transmission line |
| 10/11/1994 | US5355025 Active power line conditioner with synchronous transformation control |
| 10/11/1994 | US5355024 Solid state frequency converter capable of misaligned parallel operation |
| 10/05/1994 | EP0618666A2 DC/DC conversion circuit |
| 10/05/1994 | EP0617858A1 Conversion of three-phase line voltages |
| 10/04/1994 | US5353186 Reactor switch |
| 09/29/1994 | WO1994022211A1 Process and regulating arrangements for d.c. transmission |
| 09/29/1994 | WO1994022200A2 Synchronizing device |
| 09/29/1994 | WO1994022199A1 Process and regulating arrangement for d.c. transmission and a regulating device |
| 09/27/1994 | US5351181 Low cost active power line conditioner |
| 09/27/1994 | US5351180 Highly fault tolerant active power line conditioner |
| 09/27/1994 | US5351178 Active power line conditioner with a derived load current fundamental signal for fast dynamic response |
| 09/22/1994 | DE4318502C1 Method and circuit for monitoring the currents from power capacitors for power-factor correction |
| 09/22/1994 | DE4308686A1 Circuit arrangement for feeding or drawing active and reactive power into or from a low-frequency alternating voltage power supply |
| 09/21/1994 | CN2177948Y Automatic reactive power compensation pulse generator |
| 09/21/1994 | CN1092564A AC trasforming, dc transmission transformer |
| 09/20/1994 | US5349522 Method and apparatus for controlling the output voltage of an AC electrical system |
| 09/20/1994 | US5349517 Active power line conditioner utilizing harmonic frequency injection for improved peak voltage regulation |
| 09/20/1994 | US5349283 Automatic voltage control circuit by using reactive power |
| 09/15/1994 | WO1994021030A1 Process for preventing damage to numerically controlled machines in the event of a power failure |
| 09/15/1994 | WO1994020892A1 Low cost active power line conditioner |
| 09/15/1994 | WO1994020332A1 An electrical arrangement |
| 09/15/1994 | CA2155663A1 Low cost active power line conditioner |
| 09/13/1994 | US5347466 Method and apparatus for power plant simulation and optimization |