Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
11/1987
11/04/1987EP0243840A2 Control circuit used for a power conversion apparatus
11/04/1987EP0243403A1 Rfi suppression technique for switching circuits.
11/04/1987EP0243356A1 Regulated chopped dc power supply apparatus
11/04/1987CN87100103A Control method for electric power converting apparatus and their arrangement
11/03/1987US4704674 Power feed apparatus for load having reverse blocking characteristics
11/03/1987US4704673 Phase-adjusting device for parallel-resonant circuit frequency converters
11/03/1987US4704545 Switched capacitor rectifier circuit
10/1987
10/28/1987EP0242368A1 Proportional base drive circuit
10/27/1987US4703411 Voltage converter with GTO thyristors in series connection with at least a choke with freewheeling circuit
10/27/1987US4703407 Power supply for totem pole power switches
10/27/1987US4703246 Control method and apparatus for synchronous motor
10/27/1987US4703193 Apparatus for controlling the parallel operation of an A-C output converter for a commercial power source including a circuit for simulating output current for test purposes
10/27/1987US4703192 Alternating current power source with improved phase adjusting capability
10/22/1987DE3612906A1 Power supply unit for converting a mains AC voltage into at least one DC voltage, without using a transformer
10/21/1987EP0241976A1 Circuit arrangement to produce a DC voltage from a sinusoidal input voltage
10/21/1987CN86104392A Load-type regulator of a permanent-magnet generator
10/21/1987CN86104377A Charge type rectification regulator of permanent-magnet generator
10/20/1987US4701588 Oscillation control circuit of an induction heating apparatus
10/15/1987DE3612343A1 Commutation circuit for converters
10/15/1987DE3612115A1 Circuit arrangement for inductive three-phase loads, especially three-phase drives
10/14/1987EP0241326A1 Method for controlling a PWM inverter associated with an n-phase motor, and apparatus for putting this method into operation
10/14/1987CN87200848U 3-phase inverse transformation-controlling driver with simple circuit
10/13/1987US4700372 X-ray generating apparatus
10/13/1987US4700288 Autonomous inverter
10/13/1987US4700286 Integrated half-wave rectifier circuit
10/13/1987US4700285 Combined PWM-FM control method and circuit for the high efficiency control of resonant switch mode inverters/converters
10/13/1987US4700283 Control system for an electric locomotive having AC to DC converters
10/13/1987US4700281 Direct-current-alternating-current inverter comprising a load which gains by forcing an output voltage of the direct-current-alternating-current inverter having a defined wave shape and frequency
10/13/1987US4700147 Transistor power inverter with synchronizing circuit
10/13/1987CA1228116A1 Half wave demodulation circuit
10/08/1987WO1987006070A1 System for producing an alternating voltage
10/08/1987WO1987006033A1 Power controller circuit with automatic correction for phase lag between voltage and current
10/08/1987DE3611556A1 Switched-mode power supply
10/07/1987EP0239793A1 Circuit arrangement for operating low-pressure discharge lamps
10/07/1987EP0239765A2 Inverter with a DC source and a chopper part
10/07/1987EP0239671A1 Power controller circuit with automatic correction for phase lag between voltage and current
10/07/1987EP0239630A1 Low voltage direct current power supply
10/06/1987US4698744 Inverter apparatus
10/06/1987US4698743 Resonance inverter with control means for detecting peak voltage and having a starting circuit
10/06/1987US4698742 High-voltage milberger slip slide power conditioner
10/06/1987US4698739 12-Pulse motor drive
10/06/1987CA1227831A1 Direct current tight coupling
09/1987
09/30/1987CN87100466A Control apparatus for ac-dc converter
09/30/1987CN87100351A Method of controlling transducer arrangement
09/29/1987US4697136 Inverter system for inputting alternating current and direct current in combination
09/29/1987US4697131 Voltage source inverter and variable frequency, constant voltage AC motor drive embodying the same
09/29/1987US4697126 Control method for direct current motor
09/29/1987CA1227535A1 Power conversion device for solar cell
09/29/1987CA1227533A1 Inverter
09/29/1987CA1227532A1 Power converter control apparatus and power converter control method
09/29/1987CA1227531A1 Dc-ac power conversion
09/24/1987DE3609297A1 Direct current supply in accordance with the current reversal method, especially for electrolytic baths for material deposition or material erosion
09/23/1987EP0237861A2 Power converter
09/23/1987EP0237652A1 AC current sensing circuit
09/23/1987CN86101444A Novel train steady inverter
09/22/1987US4695938 Inverter controlling method
09/22/1987US4695937 Power supplies
09/22/1987US4695936 Switching mode power supply start circuit
09/22/1987US4695932 Superconductive energy storage circuit
09/16/1987EP0237012A2 A control apparatus for PWM power converters
09/16/1987CN86203043U Constant-current high-voltage dc power supply
09/15/1987US4694389 Proportional transistor base drive circuit for use in power converters and components thereof
09/15/1987US4694194 Power supply with battery backup
09/15/1987CA1226896A1 Pulse absorption circuit for power source circuit
09/09/1987EP0236239A1 Electric starter with an epicycloidalic reduction gear
09/09/1987EP0236190A1 Multistage high-voltage transformer, particularly for a trichromatic cathode ray tube
09/09/1987CN86108758A Control apparatus of converter
09/08/1987US4692855 Constant voltage and frequency type PWM inverter with minimum output distortion
09/08/1987US4692853 Control circuit for a chopped power supply with progressive start up
09/02/1987EP0234952A2 Electric power source
09/02/1987EP0234368A1 Tower construction for a high-voltage installation
09/02/1987EP0234293A2 Reactive power processing circuit for a current source GTO invertor
09/01/1987US4691274 Modular electronic power supply
09/01/1987US4691272 Inverse rectifier
09/01/1987US4691270 Current fed inverter bridge with lossless snubbers
09/01/1987US4691269 PWM inverter apparatus
08/1987
08/27/1987WO1987005163A1 Bi-directional switch for neutral point clamped pwm inverter
08/25/1987US4689734 High-voltage direct-voltage source
08/25/1987US4689731 MOSFET inverter gate drive circuit
08/25/1987CA1226042A1 Induction heating apparatus with protection against power interruption
08/19/1987EP0232828A2 Vehicular power supply system having a plurality of power supply voltages
08/19/1987EP0232702A2 Method and apparatus for controlling power converter
08/19/1987EP0232547A2 Undersynchronous and oversynchronous current rectifier cascade and method for operating it
08/19/1987EP0232300A1 High power electronic voltage converter-reducer
08/19/1987CN86206863U Fully sealed voltage-doubling rectification module & module die set
08/18/1987US4688165 Current fed inverter bridge with conduction overlap and load tuning
08/18/1987US4688164 Direct-voltage converter for feeding an appliance with an inductive component
08/18/1987US4688163 Method for controlling the phase angle of the output current or the output voltage of a frequency converter and apparatus for carrying out the method
08/18/1987US4688162 Rectifier control apparatus with improved power factor
08/18/1987US4688160 Single ended forward converter with resonant commutation of magnetizing current
08/18/1987US4688157 Switching circuit using a fast diode and provided with means for damping oscillations on opening
08/18/1987CA1225693A1 Dc/ac converter for the ignition and the supply with alternating current of a gas-and/or vapour discharge lamp
08/13/1987WO1987004875A1 Switching mode power supply start circuit
08/13/1987DE3604134A1 Power supply unit for operation of gas-discharge lamps
08/12/1987EP0231917A2 Current-type converter with overvoltage protection
08/12/1987EP0231756A1 Double resonant inverter
08/12/1987EP0231481A2 AC-DC converter provided with an asymmetric half-bridge circuit
08/11/1987US4686619 Low dissipation capacitor voltage sharing circuit for a static AC/DC converter
08/11/1987US4686618 Fault protection for GTO voltage-source inverters
08/11/1987US4686480 Wave generation circuit for a pulse-width modulation inverter
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