Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
09/1982
09/28/1982CA1132655A1 Dc transmission control system
09/21/1982US4351022 Combinational logic for generating gate drive signals for phase control rectifiers
09/21/1982US4351020 Circuit arrangement for equalizing waveforms of push-pull power supply
09/21/1982CA1132197A1 Precision rectifier circuits
09/21/1982CA1132196A1 Control unit for multi-phase static converter
09/14/1982CA1131700A1 Power supply providing constant power output
09/07/1982US4348734 Converter by stored switching pattern
09/07/1982US4348719 Static inverter with energy return
09/07/1982US4348718 Timing generator for use with multi-phase control rectifier systems
09/07/1982US4348687 Clamping assembly for thyristor column
09/07/1982US4348621 Control circuit for a multi-phase load
08/1982
08/31/1982US4347562 Digital power converter trigger
08/31/1982US4347561 Alternating current to direct current power supply
08/31/1982US4347560 Square wave generator
08/31/1982US4347543 Rectifier circuit diode array and circuit protector
08/31/1982US4347469 Electronic-magnetic current isolator circuit
08/31/1982CA1130858A1 Harmonic cancellation for multi-bridge, three-phase converters
08/25/1982EP0058528A2 Inverter Circuit
08/24/1982US4346332 Frequency shift inverter for variable power control
08/24/1982CA1130482A1 Mine hoist drive
08/24/1982CA1130377A1 High-voltage generating device
08/18/1982EP0058035A1 Transistor inverter device
08/17/1982CA1129957A1 Voltage regulation loop for inverter power supply
08/17/1982CA1129954A1 Loss compensation regulation for an inverter power supply
08/17/1982CA1129953A1 High-voltage transformer
08/11/1982EP0057340A2 Automatic device for the compensation of the voltage variations of the polyphase alternating current mains applied to an AC-DC converter
08/10/1982US4344123 Multilevel PWM inverter
08/10/1982CA1129537A1 H-switch configuration for controlling latching solenoids
08/10/1982CA1129494A1 Sliding notch pulse width modulation (pwm)
08/10/1982CA1129483A1 Converter for supplying discharge lamps, and more generally arc lamps and its application to projectors for such lamps
08/03/1982CA1128992A2 High frequency circuit for operating a high-intensity, gaseous discharge lamp
08/03/1982CA1128991A2 High frequency circuit for operating a high-intensity, gaseous discharge lamp
08/03/1982CA1128990A1 Inverter circuits
07/1982
07/28/1982EP0056659A1 Converter control apparatus for parallel connected multi-terminal direct current system
07/28/1982EP0056481A2 Transistor inverter device
07/28/1982EP0056393A1 Electric power supply system.
07/27/1982US4342076 Transistor turn off current sensing circuit
07/21/1982EP0056134A1 DC-to-AC inverter
07/20/1982CA1128140A1 Thyristor off-time controlled induction heating apparatus by differentiated thyristor anode potential
07/14/1982EP0055816A1 Electric switch operation monitoring circuitry
07/13/1982US4339791 DC to low frequency inverter with pulse width modulated high frequency link
07/13/1982US4339732 Closed loop constant current tuned oscillator
07/13/1982US4339704 Series parallel transition for power supply
07/13/1982CA1127708A1 Means for damping mechanical torsional oscillations of an electric a.c. generator
07/08/1982WO1982002293A1 Linear full wave rectifier circuit
07/07/1982EP0055684A2 Inverter with individual commutation circuit
07/07/1982EP0055661A1 Control device for the regulation means in an electric AC-DC high-power converter
07/06/1982US4338558 Induction motor control system and method
07/06/1982CA1127247A1 High frequency switching circuit having preselected parameters to reduce power dissipation therein
07/06/1982CA1127236A1 Control method and system for a high voltage direct current system
06/1982
06/30/1982EP0055203A2 Selective commutation circuit for an inverter
06/29/1982CA1126812A1 Power conversion apparatus
06/24/1982WO1982002134A1 Pulse width modulated voltage converter for generating a preferably sinusoidal alternating voltage
06/23/1982EP0054076A1 Discharging circuit for rectifying power source
06/22/1982US4336586 Linear full wave rectifier circuit
06/22/1982US4336585 Selective commutation for an inverter
06/22/1982US4336584 Autoresonant static converter
06/22/1982CA1126333A1 Inverter convertible to rectifier
06/16/1982EP0053812A2 Thyristor stack
06/16/1982EP0053691A1 Choke for high current transformers
06/15/1982US4335424 Cycling firing method for bypass operation of bridge converters
06/15/1982CA1125853A1 High-voltage converter circuit
06/15/1982CA1125852A1 Waveform synthesizer
06/09/1982EP0053294A1 Energy supply device for a passenger-train car
06/08/1982US4334267 Free-running push-pull inverter
06/08/1982US4334265 Thyristor inverter with inverter bridge and common turn-off circuit for inverter thyristors
06/08/1982US4334254 Gated snubber circuit
06/08/1982CA1125367A1 Regulation circuit
06/02/1982EP0052860A2 Monolithic integrated semiconductor bridge circuit
06/02/1982EP0052643A1 Converter with two or more independently controlled loads.
06/01/1982US4333141 Full wave rectifier
06/01/1982US4333139 Static inverter
06/01/1982US4333138 Power supply for load controller
06/01/1982US4333135 Four quadrant AC and DC to AC and DC converter with two or more independently controlled loads
06/01/1982US4333042 System for driving a motor by a pulse width modulation inverter
06/01/1982CA1124869A1 Control unit for a converter
06/01/1982CA1124789A1 Solid state fluid cooled power element
05/1982
05/25/1982US4331994 Shootthrough fault protection system for a voltage source transistor inverter
05/25/1982US4331887 Current switch driving circuit arrangements
05/25/1982US4331886 Current switch driving circuit arrangements
05/19/1982EP0051911A1 Method and apparatus for enhancing the output of a log-antilog type RMS converter
05/18/1982US4330820 Circuit for forming periodic pulse patterns
05/18/1982US4330819 Static semi conductor electrical energy converter
05/18/1982US4330817 Process and system for controlling the energization of a load
05/18/1982US4330815 DC Transmission control system
05/18/1982US4330743 Electrical aircraft engine start and generating system
05/18/1982US4330717 Phase adjustment circuit
05/18/1982CA1123908A1 Circuit arrangement for generating a pulse-width modulated signal
05/18/1982CA1123907A1 Frequency inverter
05/12/1982EP0051416A1 A safety circuit for preventing or reducing phase control system malfunction
05/11/1982US4329652 Apparatus for synchronization control of a plurality of inverters
05/11/1982US4329595 AC Resonant charger with charge rate unrelated to primary power frequency
05/05/1982EP0050753A1 Circuit arrangement to supply an alternative current user with an alternative voltage and more particularly with a sinous voltage
05/04/1982US4328512 Two-element semiconductor diode rectifier assembly structure
05/04/1982US4328454 Apparatus for controlling ac motor
05/04/1982US4328429 Method and apparatus for controlling inverters in parallel operation
05/04/1982CA1123049A1 Two-stage commutation circuit for an inverter
05/04/1982CA1123044A1 Emergency lighting fluorescent pack
04/1982
04/28/1982EP0050583A1 Alternating voltage to direct current converter and oscillator circuit comprising said converter
04/27/1982US4327406 DC to AC synthesizer with inverter circuit failure avoidance