Patents for H02M 1 - Details of apparatus for conversion (33,954)
03/1984
03/21/1984EP0103182A1 Device for monitoring the valves of a power converter of an alternating voltage power converter
03/21/1984EP0103179A1 Semiconductor switch with a gate turn-off thyristor and a turn-off current path
03/20/1984US4438487 Digital phase-shifting circuit
03/13/1984US4437146 Boost power supply having power factor correction circuit
03/13/1984US4437133 Current source inverter commutation-spike-voltage protection circuit including over-current and over-voltage protection
03/06/1984US4435748 Method of pulsed control of high-tension thyristor rectifying arrangement and system for effecting same
03/01/1984WO1984000858A1 Inverter protected in respect of the rates of increase of current and voltage
02/1984
02/21/1984US4433368 Power supply circuit for a variable electrical source
01/1984
01/31/1984US4429347 Easily removable support assembly for a high voltage DC power supply
01/25/1984EP0099093A2 Overvoltage limiter
01/24/1984US4427933 Load commutated inverter gating control system and motor drive with such control system
01/17/1984US4426614 Pulsed thyristor trigger control circuit
01/17/1984CA1160697A1 Broadband high speed optoelectronic semiconductor switch
01/17/1984CA1160682A1 Digital power converter trigger
01/03/1984CA1159901A1 Solid state control for motor-generator welder
12/1983
12/27/1983US4423341 Fast switching field effect transistor driver circuit
12/13/1983CA1158718A1 Controlled d-c power supply
12/06/1983US4419660 Electric filter equipment
11/1983
11/30/1983EP0095072A1 Electronic switching power supply
11/22/1983US4417301 Method and apparatus for electric fish trawling
11/22/1983US4417199 Zero crossover triggering circuit for thyristor
11/22/1983US4417156 Gate circuit for thyristors
11/15/1983US4415964 Power supply
11/08/1983US4414599 Arrester and a semiconductor circuit arrangement with a protection device including the same
11/08/1983US4414479 Low dissipation snubber for switching power transistors
10/1983
10/25/1983US4412279 Switching regulator with transient reduction circuit
10/25/1983US4412277 AC-DC Converter having an improved power factor
10/25/1983US4412166 Stepper motor drive circuit for synchronous switching of core winding
10/11/1983US4409648 Apparatus for preventing phase control mechanism malfunction
10/04/1983US4408154 Dual voltage power supply with input filter
09/1983
09/20/1983US4405975 Power supply start-up circuit
09/20/1983CA1154087A1 High voltage converter apparatus having overvoltage protection circuits for thyristors
09/14/1983EP0088411A2 Optical gate signal generating apparatus and thyristor converter apparatus including the same
09/13/1983US4404476 Pulse shaping and amplifying circuit
08/1983
08/24/1983EP0086679A1 Stabilizer for variable electric energy
08/24/1983EP0086663A2 Phase-on ride-through control circuit
08/16/1983US4399395 Line-to-line voltage reconstruction for synchronizing thyristor power converter
08/16/1983CA1152152A1 Shootthrough fault protection system for bipolar transistors in a voltage source transistor inverter
08/16/1983CA1152151A1 Shootthrough fault protection system for a voltage source transistor inverter
08/10/1983EP0085268A1 Device for the metered supply of an electrical load
08/10/1983EP0085112A1 Drive circuit for power switching transistor
08/09/1983CA1151721A1 Power supply for a high density discharge or fluorescent lamp
07/1983
07/26/1983US4395660 Lamp dimmer circuit utilizing opto-isolators
07/19/1983US4394723 Power supply circuit
07/07/1983WO1983002370A1 Switching regulator with transient reduction circuit
07/05/1983US4392172 Reactive snubber for inductive load clamp diodes
07/05/1983US4392074 Trigger device and piezo-ignition coupler with galvanic decoupling
06/1983
06/29/1983EP0082558A1 Control signal generator arrangement for semiconductor switches
06/28/1983US4390939 Electric power source device
06/28/1983US4390830 Back corona detection and current setback for electrostatic precipitators
06/21/1983US4389702 Switching power supply circuit having constant output for a wide range of input voltage
06/14/1983CA1148275A1 Optically controllable static induction thyristor device
06/14/1983CA1148215A1 Circuit having improved firing angle symmetry for ignition pulses in the control of a multipulse rectifier
06/08/1983EP0080788A1 Pulsed thyristor trigger control circuit
05/1983
05/31/1983US4386394 Single phase and three phase AC to DC converters
05/31/1983US4386283 Process for the cutting-off of a thyristor
05/24/1983US4385242 Phase line derived cosine-wave generator and gate pulse generator for thyristor control using such generator
05/18/1983EP0079130A1 Reactive snubber for inductive load clamp diodes
05/17/1983US4384321 Unity power factor switching regulator
05/11/1983EP0078722A1 Electronic power supply device taking from the network a sine-shaped current in phase with the voltage
05/11/1983EP0078497A1 Pump drive circuit
05/04/1983EP0078117A2 Inverter circuit
04/1983
04/13/1983EP0076439A2 High voltage apparatus with three-dimensional structure
04/12/1983US4380045 Thyristor convertor failure detection device
04/12/1983CA1144600A1 Gate control circuit for thyristor converter
04/06/1983EP0076022A2 Improvement in switched-mode power supplies
03/1983
03/31/1983WO1983000983A1 Method and apparatus for electric fish trawling
03/29/1983US4378586 Protective circuitry for semiconductor switches
03/22/1983US4377758 Magnetic amplifying apparatus
03/09/1983EP0073461A2 Overvoltage protection for an optically controlled thyristor
03/08/1983CA1142586A1 Control unit for static converter
03/02/1983EP0073059A1 Control circuit for a thyristor
03/01/1983US4375701 Battery or AC driven radio receiver power supply
02/1983
02/23/1983EP0072527A2 Variable speed constant frequency power converter with two modes of operation
02/23/1983EP0072526A1 AC to AC power converter with a controllable power factor
02/17/1983WO1983000591A1 Drive circuit for power switching transistor
02/16/1983EP0071945A1 Ignition circuit for a power thyristor
02/15/1983CA1141440A1 Circuit for forming periodic pulse patterns
02/08/1983CA1140988A1 Quenching-angle control for an inverter
02/01/1983US4371909 High voltage converter apparatus having overvoltage protection circuits for thyristors
01/1983
01/25/1983US4370701 Energy conserving drive circuit for switched mode converter utilizing current snubber apparatus
01/25/1983US4370607 Static high voltage switch usable in a switchable high voltage D.C. generator
01/25/1983US4370567 Semiconductor switch device suitable for A.C. power control
01/19/1983EP0070158A2 Low dissipation snubber circuit for switching power transistors
01/18/1983US4369490 Low-ripple power rectifier system
01/18/1983US4369371 Broadband high speed optoelectronic semiconductor switch
01/04/1983US4367522 Three-phase inverter arrangement
12/1982
12/28/1982US4366435 Power supply utilizing a thyristor
12/22/1982EP0067435A2 Pulse width control circuit in which a feedback amount is vaired depending upon an operating temperature
12/21/1982US4365171 Low loss snubber circuit
12/21/1982CA1138041A1 Converter apparatus
12/21/1982CA1138040A1 Timing waveform generator
12/21/1982CA1138039A1 Converter apparatus
12/21/1982CA1138037A1 Rectifier-type ac motor speed control
12/15/1982EP0066802A2 Control circuit for a thyristor
12/15/1982EP0066801A1 Thyristor arrangement having at least four thyristor columns
12/14/1982CA1137570A1 Terminal convertible alternating current switch
12/08/1982EP0066184A2 Gate pulse phase shifter
12/07/1982US4363088 Electric power source units
11/1982
11/23/1982US4360864 Voltage divider for a thyristor valve control circuit