Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
11/2001
11/13/2001US6316895 Multi-speed motor controller
11/13/2001US6316756 Resonant frequency tracking system and method for use in a radio frequency (RF) power supply
11/08/2001WO2001084712A1 Application of voltage pulses to certain types of electrical loads
11/08/2001WO2001084699A1 Power converting device
11/08/2001US20010038546 Integrated controller for synchronous rectifiers
11/08/2001US20010038545 AC-DC converter
11/08/2001US20010038544 Control system adapted to control operation of an ac/dc converter
11/08/2001US20010038541 Drive and power supply with phase shifted carriers
11/08/2001US20010038540 Switching circuit of power conversion apparatus
11/07/2001EP1152521A1 Inverter controller
11/07/2001EP1152520A2 Inverter device
11/07/2001EP1152517A2 DC supply circuit for inductors
11/07/2001EP1151525A1 Inverter for injecting sinusoidal currents into an alternating current network
11/07/2001CN2458817Y Full-bridge phase-shift overcurrent correcting apparatus
11/07/2001CN1320502A Method and apapratus for receiving universal input voltage in welding, plasma or heating power supply apparatus
11/07/2001CN1074605C Inverter and method for forming sine wave AC voltage
11/07/2001CN1074604C Zero-switching loss switch power supply
11/07/2001CN1074603C AC-AC/DC converter
11/07/2001CN1074596C Three-phase power supply consisting of single phase one with correction of power factor
11/07/2001CN1074334C Method and apparatus for controlling inverter resistance welding
11/07/2001CN1074315C Control cabinet for static dust-removing power
11/06/2001US6314007 Multi-mode power converters incorporating balancer circuits and methods of operation thereof
11/06/2001US6313602 Modified space vector pulse width modulation technique to reduce DC bus ripple effect in voltage source inverters
11/06/2001US6313599 Method for controlling an inverter
11/06/2001US6313598 Power semiconductor module and motor drive system
11/06/2001US6313585 Method for dimming a fluorescent lamp arranged in the secondary circuit of a transformer and arrangement to implement said method
11/06/2001US6313450 Microwave oven capable of supplying AC power
11/03/2001WO2001084698A1 Fixed frequency regulation circuit employing a voltage variable dielectric capacitor
11/01/2001WO2001082461A2 Quasi-resonant converter
11/01/2001WO2001082459A1 Ac-dc converter
11/01/2001WO2001082458A1 Ac-dc converter
11/01/2001WO2001082445A2 Multiple power generator connection method and system
11/01/2001WO2001082443A1 Dynamic series voltage compensator and method thereof
11/01/2001WO2001082438A2 Method and system for providing voltage support to a load connected to a utility power network
11/01/2001US20010036097 Power module
11/01/2001US20010036096 High-efficiency adaptive DC/AC converter
11/01/2001US20010036093 Inverter control apparatus
11/01/2001US20010036086 Power converter
11/01/2001US20010036085 Soft switching DC-to-DC converter and controlling method thereof
11/01/2001US20010035696 Device and method for driving symmetric load systems
11/01/2001US20010035562 Semiconductor device
11/01/2001CA2407411A1 Dynamic series voltage compensator and method thereof
10/2001
10/31/2001EP0672317B1 Closed loop pulse width modulator inverter with volt-seconds feedback control
10/31/2001DE10019374A1 Steuerverfahren für einen pulsweitengesteuerten Umrichter und eine Steuervorrichtung zur Durchführung dieses Steuerverfahrens A control method for a pulse-width-controlled inverter and a control apparatus for carrying out this control method
10/31/2001CN2457787Y Low noise inverse power source for electroluminescence sheet
10/31/2001CN2457786Y 斩波器 Chopper
10/31/2001CN2457785Y Commutating power source
10/31/2001CN2457784Y Commutating device
10/31/2001CN1320298A Methods and apparatus for reducing mosfet body diode conduction in a half-bridge configuration
10/31/2001CN1320296A Inverter for injection sinusoidal currents into alternating current network
10/31/2001CN1319942A Pulse width modulation control method for multistage superposed high-voltage frequency converter
10/31/2001CN1319937A Wave shape changing device and method
10/31/2001CN1074202C Input harmonic current corrected AC- to DC converter with multiple coupled primary windings
10/30/2001US6311137 Information display apparatus, information relay apparatus used in power generation system, information display method and information relay method, and information transmission method
10/30/2001US6310912 System for increasing the definition in converting a digital datum in a PWM signal for driving a full-bridge output stage
10/30/2001US6310786 Switching power-supply circuit
10/30/2001US6310405 Non-directional frequency generator spark prevention apparatus
10/25/2001WO2001080416A1 Motor controller
10/25/2001WO2001080413A1 Power supply unit for bipolar power supply
10/25/2001WO2001080412A1 Inverter circuit configuration
10/25/2001WO2001080411A1 Switched-mode power supply
10/25/2001US20010033507 Three-phase zero-current-transition (ZCT) inverters and rectifiers with three auxiliary switches
10/25/2001US20010033506 Simplified implementation of parallelability for modules with synchronous rectification
10/25/2001US20010033505 Method and apparatus for converting a DC voltage to an AC voltage
10/25/2001US20010033504 Analog/digital PWM control circuit of a winding
10/25/2001US20010033499 Quasi-resonant converter
10/25/2001US20010032664 Solar cell module having an overvoltage preventive element and sunlight power generation system using the solar cell module
10/25/2001US20010032416 Control device and its manufacturing method
10/25/2001DE10020137A1 Feedback of energy arising in power converter to capacitor for return to power source, employs controlled semiconductor operating under no-load condition
10/25/2001DE10018879A1 Current supply apparatus for bipolar current supply of installation of plasma or surface technology, has DC power packs connected via series circuit of power switches, for separate bridge circuits
10/25/2001DE10018668A1 Inverter circuit arrangement for rotary field machine, has two inverters clocked at displaced time intervals with outputs assigned to each phase in first connection of coil arrangement
10/24/2001EP1148629A2 Control method for pulse width driven inverter and control apparatus for carrying out this control method
10/24/2001EP1148625A2 Power supply apparatus
10/24/2001EP1147596A1 Method for reducing losses in commutation processes
10/24/2001CN2456363Y Switch power source for microwave oven
10/23/2001US6307765 Method and apparatus for controlling minimum brightness of a fluorescent lamp
10/23/2001US6307763 Twelve-pulse rectifiers including separate six-pulse controllers and methods of controlling same
10/23/2001US6307762 Power supplying circuit and method
10/23/2001US6307761 Single stage high power-factor converter
10/23/2001US6307760 Three level inverter apparatus
10/23/2001US6307759 Control device for electric power translating device
10/23/2001US6307418 Rectifier circuit
10/23/2001US6307359 DC-DC converter powered by doubled output voltage
10/18/2001WO2001078224A1 Appliance power supply
10/18/2001WO2001076448A1 Dishwasher
10/18/2001US20010032032 Method for installing and removing automatic lift-type mobile facility, method of automatic lift-type power generation, and automatic lift-type mobile facility
10/18/2001US20010030881 Power conversion device for a rail way vehicle
10/18/2001US20010030424 Method for installing and removing automatic lift-type mobile facility, method of automatic lift-type power generation, and automatic lift-type mobile facility
10/18/2001US20010030362 Low cost power semiconductor module without substrate
10/18/2001DE10013672A1 Stromrichterschaltung Converter circuit
10/17/2001EP1146631A2 AC/DC converter control system
10/17/2001EP1146620A2 Driving method of semiconductor switching device and power supply apparatus operated according to said method
10/17/2001EP1145604A1 Electronic ballast circuit
10/17/2001EP1145416A1 Inverter for conversion of electrical energy
10/17/2001EP1145415A1 A synchronous flyback converter
10/17/2001EP1145411A2 Power supplies having protection circuits
10/17/2001EP1145401A1 Control equipment for thyristor-controlled series capacitor equipment, and a method for control thereof
10/17/2001EP0775384B1 Digital pulse width modulator with integrated test and control
10/17/2001CN2455040Y Intelligent splatter ion pump power-supply controller
10/17/2001CN1317863A Surface mounting type switching mains and its mounting method