| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
|---|
| 05/31/1977 | US4027171 Power demand limiting system |
| 05/10/1977 | US4023086 Control system for rectifier equipment |
| 05/10/1977 | US4023043 Computerized peak-shaving system for alleviating electric utility peak loads |
| 05/03/1977 | US4021704 Phase sequence correcting system for three-phase AC power |
| 05/03/1977 | US4021678 Automatic transfer switch |
| 04/19/1977 | US4019124 Apparatus for compensating reactive power in a three-phase network |
| 04/19/1977 | US4019115 Energy transmission system with a common main for direct current |
| 04/19/1977 | US4019095 Capacitor equipment |
| 04/12/1977 | US4017790 Alternating current power transmission systems |
| 04/05/1977 | US4016408 Method and arrangement for supervising power supply systems |
| 03/29/1977 | US4015104 Control system for electrically operated heat generating apparatus |
| 03/22/1977 | US4013942 Phase shifter |
| 03/22/1977 | US4013937 Naturally commutated cycloconverter with controlled input displacement power factor |
| 03/08/1977 | US4011496 Method for regulating work current of half circuits of bipolar D.C. transmission line and system for effecting same |
| 03/01/1977 | US4010412 Control of electrical power supplies |
| 02/22/1977 | US4009433 Method and apparatus for compensating reactive power |
| 01/18/1977 | US4004191 Method of reducing current unbalance in a three-phase power transmission line operating with one faulty phase |
| 01/11/1977 | US4002936 Electric submersible pump |
| 01/11/1977 | US4002920 Underground electrical reticulation systems and transformers therefor |
| 01/04/1977 | US4001672 Polyphase ac power transmission arrangement with homogeneous phases |
| 01/04/1977 | US4001671 Apparatus for providing feedback to eliminate a dc component in the output of a static var generator |
| 01/04/1977 | US4001670 Static reactive power generating apparatus |
| 01/04/1977 | US4001666 Load peak shaver power regulating system |
| 12/28/1976 | US4000455 Fast current measurement apparatus for static VAR generator compensator control circuit and method for using same |
| 12/21/1976 | US3999117 Method and control apparatus for static VAR generator and compensator |
| 12/21/1976 | US3999115 Dynamic stabilizer for synchronous machines having torsional oscillations and method |
| 11/16/1976 | US3992661 Reactive current compensating apparatus for electric power systems |
| 11/16/1976 | US3992659 High voltage direct current transmission |
| 11/02/1976 | US3989999 Load saving over current apparatus for shutdown in a reactive power generator |
| 11/02/1976 | US3989928 Method and apparatus for cyclically controlling the energization of home water heaters |
| 10/19/1976 | US3987360 High accuracy fast recovery reference timing generator for a static VAR generator |
| 10/19/1976 | US3987359 Phase angle function generator for static VAR control |
| 10/19/1976 | US3987308 Peak load control energy saving and cycling system |
| 10/12/1976 | US3986038 Sequencer unit |
| 09/14/1976 | US3980943 Power supply with complementary switching of power to main and auxiliary loads |
| 08/31/1976 | US3978389 Series-connected static convertors with re-starting regulator after fault |
| 08/17/1976 | US3975673 Phase shifter |
| 08/17/1976 | US3975646 Asynchronous tie |
| 07/20/1976 | US3970861 Demand controller |
| 07/06/1976 | US3968432 Remote voltage sensor for power system regulation |
| 07/06/1976 | US3968422 Method and apparatus for the static compensation of reactive power |
| 07/06/1976 | US3968419 Direct current transmission and method of operating the same |
| 06/15/1976 | US3963978 Reactive power compensator |
| 06/08/1976 | US3962625 Convertor station with parallel-connected static convertors |
| 06/08/1976 | US3962623 Direct current transmission with two parallel circuits |
| 05/25/1976 | US3959719 Static controller for power factor correction and adaptive filtering |
| 05/04/1976 | US3955134 Reactance controller |
| 05/04/1976 | US3955133 Apparatus for stabilization of electrical power supply mains |
| 05/04/1976 | US3955061 High frequency power distribution and control system |
| 04/20/1976 | US3952138 Power control system for electric arc or refining furnace electrically directly coupled to independent power generating unit or units |
| 04/06/1976 | US3949291 Short HVDC transmission system with power factor control |
| 03/23/1976 | US3946242 Geophysical energy source utilization circuit |
| 03/16/1976 | US3944885 Electric load restriction unit |
| 03/16/1976 | US3944839 Multi-windmill wheel power generator |
| 03/16/1976 | US3944837 System and method for generation and distribution of electrical and thermal energy and automatic control apparatus suitable for use therein |
| 03/02/1976 | US3942100 Adjustable reactive power compensator for a transmission line |
| 02/10/1976 | US3937978 Remote control systems for electrically operated loads |
| 02/10/1976 | US3937977 Combination disposer run and dishwasher disconnect switch for kitchen module |
| 02/03/1976 | US3936727 High speed control of reactive power for voltage stabilization in electric power systems |
| 02/03/1976 | US3936722 Field excitation control system for the synchronous generator |
| 01/27/1976 | US3935471 Current limiting power supply |
| 01/13/1976 | US3932808 Power factor correcting means |
| 01/13/1976 | US3932735 Method of controlling supply of power |