Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
08/2003
08/12/2003US6605881 AC interconnection apparatus supplying AC power from a commercial power system and from a solar cell
08/12/2003CA2292827C Inverter apparatus
08/07/2003WO2003065564A1 Method and device for controlling photovoltaic inverter, and feed water device
08/07/2003WO2003065561A1 System comprising an electrical bridge for generating an electrical signal for a load and a control unit for such a system
08/07/2003WO2003065560A1 Power supply and method for generating switching signal for turning on/off switching element of converter unit constituting the power supply
08/07/2003WO2003065469A2 Power module
08/07/2003WO2003065388A1 Medium frequency transformer
08/07/2003WO2003010876A3 Power factor correction circuit with a coil
08/07/2003WO2002095914A3 Half-bridge gate driver circuit
08/07/2003WO2002037655A3 Integrated multi-level inverter assembly
08/07/2003US20030146714 Electronic ballast system having emergency lighting provisions
08/07/2003US20030146062 Electric suspended conveyor with contactless energy transmission
08/06/2003EP1333570A2 Method and circuit arrangement for current measuring and limitation
08/06/2003EP1333567A2 Electrical power conversion
08/06/2003EP1333566A2 Driving a control unit of one or more switching devices
08/06/2003EP1333565A2 Power conversion
08/06/2003EP1333564A2 Delivering a unipolar voltage
08/06/2003EP1333553A2 Power distribution to a load
08/06/2003EP1332545A1 Ac/dc converter
08/06/2003CN1434559A Factor correction circuit for frequency-conversion domestic electric appliances controller
08/06/2003CN1117424C Power supply device
08/06/2003CN1117420C Three-phase dc-ac voltage inverter
08/05/2003US6603675 Apparatus and a method for voltage conversion
08/05/2003US6603671 Synchronized rectifier voltage step down DC-DC converter and control circuit therefor
08/05/2003US6603317 Leakage current reduction circuit and power supply employing the same
08/05/2003US6603291 Integrated FET and driver for use in a synchronous dc-dc conversion circuit
07/2003
07/31/2003WO2003063567A1 Modular power converter having fluid cooled support
07/31/2003WO2003063564A1 Compact fluid cooled power converter supporting multiple circuit boards
07/31/2003WO2003063331A1 An apparatus and a method for voltage conversion
07/31/2003WO2003063330A1 Controller for power converter
07/31/2003WO2003063329A2 Power converter having improved emi shielding
07/31/2003US20030142529 Direct conversion programmable power source controller: three-phase input with programmable single-phase output
07/31/2003US20030142522 Rectifier system
07/31/2003US20030142520 Electric circuit
07/31/2003US20030142517 Method for modulating pulse width, power converter, and inverter
07/31/2003US20030142516 Method to reduce bus voltage stress in a single-stage single switch power factor correction circuit
07/31/2003US20030142513 Factorized power architecture with point of load sine amplitude converters
07/31/2003US20030142480 Power converter and method for producing the same
07/31/2003US20030141918 Voltage clamping circuit for a bicycle dynamo
07/31/2003US20030141874 Circuit configuration and method for measuring and limiting currents
07/31/2003US20030141764 Real-time digital voltage sag compensator
07/31/2003DE20306035U1 Power supply stage for supplying low voltage loads has coupling capacitance between transformer windings reduced by special winding layer structure, low transformer current gradients
07/30/2003EP1331724A2 Matrix converter for electrical energy conversion
07/30/2003EP1330944A2 Voltage feed push-pull resonant inverter for lcd backlighting
07/30/2003EP1330866A2 Microdrive
07/30/2003CN2563830Y Full bridge shape changing buffering SPWM wave DC/AC reverse circuit
07/30/2003CN2563829Y Light regulator for electronic transformer for radio remote control type halogen lamp
07/30/2003CN2563828Y Magnetic control pipe power for microwave processor of diesel vehicle tail gas
07/30/2003CN2563827Y Digital type power converter
07/30/2003CN1433143A 电路 Circuit
07/30/2003CN1433139A Low-speed pulsating current supressing device and method for single phase inverter
07/30/2003CN1433130A Matrix converter for converting electric energy
07/30/2003CN1432939A Semiconductor device for inverter control
07/29/2003US6600978 Railway vehicle operation-control system and a railway vehicle using the operation control system
07/29/2003US6600669 Random pulse width modulation method and device
07/24/2003WO2003061104A1 Voltage converter control apparatus, voltage conversion method, storage medium, program, drive system, and vehicle having the drive system
07/24/2003WO2003060619A1 Electronic ballast with ignition and operation control
07/24/2003WO2003038976A3 Synchronous rectifier circuit
07/24/2003WO2003015167A3 Semiconductor module
07/24/2003US20030137858 Inverter for alternating current generator-motor
07/24/2003US20030137857 Method for controlling pwm pulse
07/24/2003US20030137320 Half-bridge subassembly
07/23/2003EP1329786A1 Method for powering consuming appliances with low supply voltage
07/23/2003EP1329017A1 High output power high frequency resonant load inverters
07/23/2003EP1287614A4 Circuit stimulating a diode
07/23/2003EP1177614B1 Modular power supply for generating a high voltage dc output
07/23/2003EP0900473B1 Drive device for roll stands
07/23/2003EP0878050B1 Ac/dc converter
07/23/2003CN1431760A Dual positive excitated DC-DC power transfer device with soft switch in three electrical levels
07/23/2003CN1431646A Current changeable circuit of adjustable bright applicable to background light module of display device
07/23/2003CN1115768C Method and device for controlling switches in control system with variable structure, with controllable frequency
07/23/2003CN1115767C Inverter driving method
07/23/2003CN1115766C Inverter
07/23/2003CN1115765C Three-phase bridge-type rectifier
07/23/2003CN1115764C Self-learning control based proportional plusintegral-plusderivative control method and its controlled uninterrupted power supply
07/23/2003CN1115763C Proportional-integral-derivative control method of fuzzily comensated active value and its UPS
07/23/2003CN1115269C Power converting device for reducing induction trouble
07/22/2003US6597735 Timer assembly for generating a PWM signal
07/22/2003US6597593 Powering IC chips using AC signals
07/22/2003US6597590 3-Level inverter apparatus
07/22/2003US6597550 High voltage integrated circuit with resistor connected between substrate and ground to limit current during negative voltage spike
07/22/2003US6597228 Diode-rectifier with non-linear load resistance
07/22/2003CA2295382C Switching power supply unit
07/17/2003WO2003058803A1 Parallel inverter system
07/17/2003WO2003058802A1 A method of establishing a master-host in modules connecting in parallel
07/17/2003WO2003058798A1 Pwm controller with single-cycle response
07/17/2003WO2003058592A1 Driving circuit for energy recovery in plasma display panel
07/17/2003US20030133319 Compact fluid cooled power converter supporting multiple circuit boards
07/17/2003US20030133318 Power converter having improved terminal structure
07/17/2003US20030133317 Apparatus and a method for voltage conversion
07/17/2003US20030133316 Variable frequency electric signal generator, automatic control and low cost computing means
07/17/2003US20030133314 Apparatus and method of suppressing low speed ripple current of a single-phase inverter
07/17/2003US20030133283 Vehicle drive module having improved EMI shielding
07/17/2003US20030133282 Power converter having improved EMI shielding
07/17/2003US20030133268 Thermally matched fluid cooled power converter
07/17/2003US20030133267 Cooled electrical terminal assembly and device incorporating same
07/17/2003US20030133259 Compact vehicle drive module having improved thermal control
07/17/2003US20030133257 Modular power converter having fluid cooled support
07/17/2003US20030132211 Method for regulating and/or controlling a welding current source with a resonance circuit
07/17/2003US20030132042 Vehicle drive module having improved terminal design