Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy › H02J 1 - Circuit arrangements for dc mains or dc distribution networks
Patents for H02J 1 - Circuit arrangements for dc mains or dc distribution networks (12,155)
10/1980
10/15/1980EP0016762A1 Device for smoothing an output voltage of an electric generator.
10/07/1980US4227257 Power supply circuit for an electronic tuning type receiver with a memory element
10/01/1980EP0016559A1 Electrical generating apparatus and method
08/1980
08/26/1980US4218876 Combined timekeeper and calculator with low power consumption features
08/20/1980EP0014334A1 Device for sequentially distributing electrical power to a plurality of load elements on a rotating member
07/1980
07/09/1980EP0013102A1 Power supply providing constant power output
07/09/1980EP0013005A1 D.C. transformers and multi-terminal D.C. power network utilizing the same
07/01/1980US4210956 Method and system of controlling high voltage direct current power transmission plants
06/1980
06/24/1980US4209757 Circuit for compensating harmonic currents in an electric consumer arrangement
06/11/1980EP0011700A1 Power supply device for solid-state memories
03/1980
03/19/1980EP0008708A1 Circuitry with DC converters connected in parallel
02/1980
02/20/1980EP0008296A1 Supplier of direct current with superimposed alternating current.
02/12/1980US4188666 Method and integrated system for the torque control and energy storage for a space vehicle
12/1979
12/18/1979US4179728 Capacitor charging circuit
12/04/1979US4177389 Power supply system with two regulated power supply devices connected in parallel at an output
11/1979
11/13/1979US4174534 Master-slave voltage regulator employing pulse width modulation
11/13/1979CA1066373A1 Active filter
11/01/1979WO1979000878A1 Device for smoothing an output voltage of an electric generator
10/1979
10/16/1979US4171491 Plant for generating and accumulating electric energy with the aid of wind power or solar energy
10/09/1979US4170739 Apparatus and method for supplying direct current with superimposed alternating current
09/1979
09/04/1979CA1061861A1 Protection system and method for high voltage direct current transmission system
08/1979
08/14/1979US4164661 Load sharing system
07/1979
07/12/1979WO1979000428A1 Supplier of direct current with superimposed alternating current
06/1979
06/26/1979US4159428 Method of dividing direct current among parallel circuits and device for effecting same
06/12/1979CA1056451A1 Converter control apparatus for ac-dc parallel power transmission system
05/1979
05/29/1979US4156836 Battery charging system for road vehicles
04/1979
04/17/1979US4150425 Module failure isolation circuit for paralleled inverters
04/03/1979US4147997 Active filters utilizing networks of resistors and negative impedance converters
02/1979
02/27/1979US4142118 Integrated circuit with power supply voltage level detection
02/20/1979US4140916 Power equipment
11/1978
11/28/1978CA1043420A1 Input supply independent circuit
11/21/1978US4126892 Selective voltage and current control for high voltage D.C. transmission systems
10/1978
10/24/1978US4122513 Power control device
09/1978
09/26/1978CA1039351A1 Energy transmission system with a common main for direct current
04/1978
04/18/1978US4085334 Electronic system for process instrumentation and control
03/1978
03/14/1978US4079445 Device for voltage regulation of a solar generator
02/1978
02/14/1978US4074146 Load sharing modular power supply system
09/1977
09/13/1977US4048549 Circuit for eliminating current noises from d.c. motor
07/1977
07/12/1977US4035716 Super compensated voltage control of redundant D.C. power supplies
06/1977
06/28/1977US4032830 Modular constant current power supply
05/1977
05/10/1977US4023086 Control system for rectifier equipment
04/1977
04/26/1977US4020409 Rectifying and smoothing circuit
04/19/1977US4019115 Energy transmission system with a common main for direct current
04/12/1977US4017749 Transistor circuit including source voltage ripple removal
04/05/1977US4016408 Method and arrangement for supervising power supply systems
12/1976
12/14/1976US3997832 Circuit for applying starting voltage to load
11/1976
11/16/1976US3992659 High voltage direct current transmission
10/1976
10/19/1976US3987356 Controlled capacitive filter for active loads
09/1976
09/07/1976US3979599 Operatively interlocked electronic system
08/1976
08/31/1976US3978389 Series-connected static convertors with re-starting regulator after fault
07/1976
07/06/1976US3968419 Direct current transmission and method of operating the same
06/1976
06/08/1976US3962625 Convertor station with parallel-connected static convertors
05/1976
05/11/1976US3956638 Battery paralleling system
05/04/1976US3955185 Power supply for calculators
02/1976
02/17/1976US3939399 Power circuit with shunt transistor
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