Patents for H02M 1 - Details of apparatus for conversion (33,954) |
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07/29/1980 | US4215279 Apparatus for controlling the operation of power transistors in a switching mode |
07/15/1980 | US4213066 Solid state switch |
07/09/1980 | EP0012919A1 Circuit arrangement for reducing the recovery time of a thyristor |
07/09/1980 | EP0012846A1 Thyristor |
07/08/1980 | US4212055 Control for an inverter station |
07/08/1980 | US4212024 Solid-state switching circuit employing photon coupling suitable for construction in form of integrated circuit |
07/08/1980 | US4211940 Electronic power control device |
07/08/1980 | CA1081323A1 Dv/dt protection for solid state switches |
07/08/1980 | CA1081322A1 Emitter follower voltage controlled power supply |
06/25/1980 | EP0012742A1 Multiple-bridge, three-phase converter arrangement including voltage harmonics cancellation |
06/24/1980 | US4209757 Circuit for compensating harmonic currents in an electric consumer arrangement |
06/24/1980 | US4209733 Motor control apparatus with an improved thyristor chopper circuit |
06/24/1980 | US4209683 Load responsive trigger interval control for induction heating apparatus having inversely parallel connected thyristors |
06/17/1980 | US4208707 Method and apparatus for control of static valve converter |
06/17/1980 | CA1079816A1 Sawtooth waveform generator |
05/20/1980 | US4204264 Harmonic cancellation for multi-bridge, three-phase converters |
05/13/1980 | US4203047 Gate circuit of gate turn-off thyristor |
05/13/1980 | CA1077565A1 Circuit for controlling the reverse current in a controlled rectifier |
04/29/1980 | US4200908 Device for digital control of polyphase thyristor-pulse converter |
04/22/1980 | US4199694 Terminal convertible alternating current switch |
04/16/1980 | EP0009783A1 A system for driving a motor by a pulse width modulation inverter |
04/15/1980 | CA1075768A1 Alternating current controlling system |
04/02/1980 | EP0009225A1 Protective circuit |
04/01/1980 | CA1074865A1 Transistor switching circuit with feedback inductor |
04/01/1980 | CA1074863A1 High power factor ac to dc converter circuit |
03/25/1980 | US4195336 Digital control device for multiphase thyristor-pulse d.c. converter |
03/25/1980 | US4195335 Switching power supply having a wide range input capability |
03/25/1980 | US4195334 High-voltage DC transmission system and method |
03/25/1980 | US4195306 Gate turn-off thyristor |
03/25/1980 | US4195236 Device for discrete control of thyristor-pulse converters |
03/11/1980 | US4193111 Unity power factor converter |
03/04/1980 | US4191992 Method of and apparatus for enabling soft-failure of modular power converter systems, including RF generator systems, embodying switching components in the power conversion |
02/20/1980 | EP0008053A1 Trigger circuit |
02/19/1980 | US4189695 Current limiting fuse device employing cooling and insulating medium |
01/29/1980 | US4186434 Means for producing and controlling dead-time of the switching transistors DC-to-DC and DC-to-AC converters |
01/15/1980 | US4184086 Semiconductor switch |
01/15/1980 | CA1069975A1 Semiconductor switch |
11/27/1979 | US4176288 Zero voltage switching solid state relay |
11/13/1979 | USRE30150 Inductor drive means |
11/13/1979 | US4174495 Static current limiting switch with soft forced commutation |
11/06/1979 | US4173722 Digital pulse generator with end-stop detection and control |
11/01/1979 | WO1979000878A1 Device for smoothing an output voltage of an electric generator |
10/17/1979 | EP0004701A2 A method of and apparatus for reducing priming and sweep-out losses in SCR switching circuits |
10/16/1979 | US4171510 System for detecting output of controllable semiconductor device |
10/09/1979 | CA1064108A1 Semiconductor switch |
10/09/1979 | CA1064107A1 Four-layered semiconductor switch |
10/02/1979 | US4170037 Lock-out logic circuit for inverter protection |
10/02/1979 | CA1063672A1 Gate controlling apparatus for a thyristor valve |
09/25/1979 | US4169259 Frequency sensitive switching circuit |
09/25/1979 | CA1063189A1 Configuration for reducing the turn-off time of a thyristor |
09/19/1979 | EP0004199A1 Method and apparatus for supplying electric current to a number of electrical loads |
09/11/1979 | US4167776 Inverter circuit |
09/11/1979 | US4167698 Monitoring the conduction cutoff phase angles in rectifiers |
09/11/1979 | US4167696 Zero phase switching for multi-phase systems |
09/11/1979 | CA1062330A1 Power converter employing non-saturating interphase transformer |
08/07/1979 | US4164013 Six-pulse rectifier circuit |
08/07/1979 | CA1060094A1 Method for operating a frequency converter, starting circuit |
07/31/1979 | US4163191 Magnetic phase shifter control system |
07/10/1979 | US4161022 Controllable rectifier circuit for a power supply |
07/10/1979 | US4160921 Thyristor control |
07/03/1979 | US4160288 Active filter circuit for regulated dc to dc power supplies |
07/03/1979 | US4160153 Duty cycle shared proportional temperature control |
06/12/1979 | US4158164 Phase control of power to a load using a single capacitor |
05/22/1979 | US4156275 Power conversion unit |
05/16/1979 | EP0001756A1 Circuit for reducing the turn-off time of a thyristor |
05/08/1979 | CA1054221A1 Current regulation system for three-phase load |
05/08/1979 | CA1054218A1 Circuit arrangement for protecting thyristors |
04/24/1979 | US4151586 Method and apparatus for shutting down an inverter |
04/24/1979 | US4151427 High-voltage zero-crossing detector |
04/24/1979 | US4151387 Metal base cookware induction heating apparatus having improved power control circuit for insuring safe operation |
04/24/1979 | CA1053331A1 Control system for controlling the operation of a three-phase load |
04/24/1979 | CA1053326A1 Constant frequency chopper feeding low current to an inductive load_ |
04/17/1979 | US4150424 Dynamic current balancing for power converters |
04/10/1979 | US4149236 Process for control or regulation of analog electrical machines |
04/03/1979 | CA1051978A1 Inrush current limit circuit with reset response to lowered input voltage |
03/20/1979 | US4145592 Induction heating apparatus with means for detecting zero crossing point of high-frequency oscillation to determine triggering time |
03/06/1979 | US4143383 Controllable impedance attenuator having all connection contacts on one side |
03/06/1979 | CA1050170A1 Circuit arrangement for firing controlled, parallel-connected electric valves |
03/06/1979 | CA1050107A1 High-voltage thyristor converter |
01/23/1979 | CA1047107A1 Converter circuit |
01/16/1979 | US4135124 Electronic monitoring system with selective signal inverter |
01/09/1979 | CA1046142A1 Drive circuit for controlling conduction of a semiconductor device |
01/02/1979 | US4132909 Zero axis crossing detector |
12/26/1978 | US4131927 A.C. power supply circuit with surge current suppression |
12/26/1978 | US4131826 Triggering circuit for triggered vacuum gaps |
12/19/1978 | US4130827 Integrated circuit switching network using low substrate leakage current thyristor construction |
12/19/1978 | CA1044758A1 Three phase load controlling system |
12/19/1978 | CA1044756A1 Frequency reduction and power control circuit for thyristor line controllers |
12/12/1978 | US4129791 Solid state switching circuit |
12/12/1978 | CA1044318A1 Dc convertor |
12/05/1978 | CA1043871A1 Digital controller for thyristors |
11/28/1978 | US4127894 Converter protection circuit operative to limit and counteract transformer saturation |
11/28/1978 | CA1043430A1 Multi-purpose thyristor commutation circuit |
11/21/1978 | US4126819 Interlock circuit for complementary electronic switches |
11/21/1978 | CA1042977A1 Voltage monitoring controlling and protecting apparatus employing programmable unijunction transistor |
11/14/1978 | US4125787 Semiconductor switch circuit |
11/14/1978 | CA1042507A1 Pulse control system power circuit |
11/14/1978 | CA1042500A1 Solid state chopper ballast for gaseous discharge lamps |
11/07/1978 | US4124886 Generation of low frequency, high voltages |
10/31/1978 | US4123670 Transistor switching circuit |