Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
05/2011
05/31/2011CA2497766C Power control for instrumented medication package
05/26/2011WO2011061813A1 3-level power conversion device
05/26/2011WO2011060823A1 Converter and submodule of a converter for charging or discharging an energy store
05/26/2011WO2011041651A3 Electronic device control system and method
05/26/2011WO2011019733A3 Controller and method for minimizing phase advance current
05/26/2011US20110124310 Switch mode voltage rectifier, rf energy conversion and wireless power supplies
05/26/2011US20110122668 Capacitor energy release circuit with reduced power consumption and power supply having the same
05/26/2011US20110122667 Rectifier circuit
05/26/2011US20110122666 Low Power Converter
05/26/2011US20110122665 Voltage application time period measuring circuit and power supply apparatus including the same
05/26/2011US20110122664 Power factor correction type switching power supply unit
05/26/2011US20110122658 Power converter using energy stored in leakage inductance of transformer to power switch controller
05/26/2011US20110122654 High voltage ac/dc or dc/ac converter station with fiber-optic current sensor
05/26/2011US20110121928 Acoustic noise reduction in power supply inductors
05/26/2011US20110121575 Systems, methods, and kits for power generation
05/26/2011DE202011000050U1 Schaltungsanordnung von elektronischen Leistungsschaltern einer Stromerzeugungsvorrichtung Circuit of electronic power switches a power generating device
05/26/2011DE102009052461A1 Wechselrichter-Schaltungsanordnung Inverter circuitry
05/26/2011CA2780434A1 3-level power conversion apparatus
05/25/2011EP2325996A2 Feeding system for an inductive load from an energy source with variable power
05/25/2011EP2325995A2 Self-oscillating half-bridge drive device and light-emitting device
05/25/2011EP2325994A2 Power conversion equipment
05/25/2011EP2325993A2 Method for operating an inverter and inverter
05/25/2011EP2325992A1 Inverter device, inverter control system, motor control system and inverter device control method
05/25/2011EP2325991A1 Inverter control circuit and interconnection inverter system having that inverter control circuit
05/25/2011EP2325990A2 Modular frequency converter assembly
05/25/2011EP2325985A2 Circuit assembly and method for preparing a voltage supply for a driver stage
05/25/2011EP2324565A1 Converter device and interruption-free power supply including such a device
05/25/2011CN201846246U Novel auxiliary reverse power adopting zero current soft switching technology
05/25/2011CN201846245U Intelligent DC/AC inverter
05/25/2011CN201846244U Ozone high-voltage power supply
05/25/2011CN201846243U Zero-crossing detection circuit of switching power supply
05/25/2011CN201846242U Peak point current control device of switching power supply
05/25/2011CN201846241U Micropower voltage-stabilized power supply circuit taking LED (light-emitting diode) as reference
05/25/2011CN201846240U Switching power supply adopting primary side control technology
05/25/2011CN201846091U Full numerical control three-phrase solar photovoltaic grid-connected inverter
05/25/2011CN201844248U LED fluorescent lamp and power circuit of LED fluorescent lamp
05/25/2011CN201840340U Portable vehicle-mounted electric heating food system
05/25/2011CN102077454A Battery energy source arrangement and voltage source converter system
05/25/2011CN102077453A Distributed and adaptive smart logic with multi-communication apparatus for reliable safety system shutdown
05/25/2011CN102077452A Inverter and method for operating inverter
05/25/2011CN102077451A Electric power conversion device
05/25/2011CN102076157A Self-oscillation half-bridge driving device as well as light-emitting device
05/25/2011CN102075110A Systems and methods for commutating inductor current using matrix converter
05/25/2011CN102075109A High-frequency isolated three-phase cycloconverter type two-way converter and control method thereof
05/25/2011CN102075108A Capacitance current feedforward control method for grid-connected inverter with LCL filter
05/25/2011CN102075107A Main circuit of three-phase four-wire DC/AC convertor and control method thereof
05/25/2011CN102075106A Multilevel converter operation
05/25/2011CN102075105A Power conversion equipment
05/25/2011CN102075104A Converting device with multiple input terminals and two output terminals and photovoltaic system employing the same
05/25/2011CN102075103A Energy-gaining device adapted to large-scale current changes
05/25/2011CN102075102A Bridge rectification circuit
05/25/2011CN102075101A Single-phase full-control rectifier current-limiting device and work method thereof
05/25/2011CN102075100A Design method for photoelectric isolated type voltage transformation circuit
05/25/2011CN102075099A Three-phase alternating current power supply mode and device thereof of single-phase electric appliance
05/25/2011CN102075098A Capacitor energy discharging circuit capable of reducing power loss and power supply circuit thereof
05/25/2011CN102075075A Bias and discharge system for low power loss start up and input capacitance discharge
05/25/2011CN102075074A Method and apparatus to limit maximum switch current in switch of switching power supply
05/25/2011CN102075073A Novel electro-magnetic interference (EMI) filtering capacitance loss reducing circuit
05/25/2011CN102075070A Direct current power supply with input interface shared by alternating current and direct current
05/25/2011CN102075069A Drive control system and method for parallel insulated gate bipolar transistors (IGBT)
05/25/2011CN102074974A Device and method for eliminating grid-connected current zero-crossing distortion of unipolar control single-phase grid-connected inverter
05/25/2011CN102074968A Photovoltaic miniature grid-connected inverter control device and control method thereof
05/25/2011CN102073902A High-efficiency rectification system applied in low power consumption radio frequency communication chips
05/25/2011CN102073364A Multi-phase power supply device and current adjustment method thereof
05/25/2011CN102072418A AC light-emitting diode device with high reliability and long service life
05/25/2011CN101667790B High power DA conversion circuit
05/25/2011CN101542033B Generation of an idle mode signal for an electrical control device
05/25/2011CN101515750B Current level change protection and control device for current supply
05/25/2011CN101409514B Method and apparatus for controlling power unit of frequency changer
05/25/2011CN101385226B Multiphase load control method
05/25/2011CN101299546B Solar power plant
05/25/2011CN101147428B Electrodeless discharge lamp lighting device and lighting apparatus
05/25/2011CN101114541B Power source converter and transformer
05/24/2011US7948781 Contactless power receiving unit and electronic device employing the same
05/24/2011US7948778 Self-testing power supply apparatus, methods and computer program products
05/24/2011US7948776 Zero voltage switching high-frequency inverter
05/24/2011US7948306 Active power filter method and apparatus
05/19/2011WO2011059669A2 Electrolysis apparatus and related devices and methods
05/19/2011WO2011058892A1 Switching power supply circuit
05/19/2011WO2011058703A1 Semiconductor device for inverter control, motor drive device, and air-conditioning equipment
05/19/2011WO2011058665A1 Power conversion device
05/19/2011WO2011058273A2 Multi-level, multi-voltage matrix converter circuit and method for implementing such a circuit
05/19/2011WO2011057902A2 Power switch arrangement for an inverter
05/19/2011WO2011057901A2 Inverter
05/19/2011WO2011057900A2 Inverter
05/19/2011WO2011033362A3 Power converter and fuel cell vehicle with power converter
05/19/2011WO2011017245A3 Pulse width modulation frequency conversion
05/19/2011US20110116294 Method, Circuit Configuration and Bridge Circuit
05/19/2011US20110116293 Power conversion equipment
05/19/2011US20110116292 Integrated multi-inductor magnetic member and multi-loop power factor correction circuit having same
05/19/2011US20110116291 High efficiency multi-phase generator
05/19/2011US20110116290 Power control
05/19/2011US20110115403 Switched-Mode Power Supply, LED Lighting System and Driver Comprising the Same, and Method for Electrically Driving a Load
05/19/2011US20110115300 Converting device with multiple input terminals and two output terminals and photovoltaic system employing the same
05/19/2011US20110115285 Systems and methods for commutating inductor current using a matrix converter
05/19/2011DE102009053276A1 Converter for use in e.g. ignition device for converting supply voltage into voltage pulse, has power transformer, where voltage pulse is obtained in secondary circuit of transformer by synchronized short-circuiting of secondary winding
05/18/2011EP2323469A1 Motor drive unit and vehicle including the same
05/18/2011EP2323249A1 Multilevel converter operation
05/18/2011EP2323248A2 Operation of a three level converter
05/18/2011EP2321894A1 Generalized ac-dc synchronous rectification techniques for single- and multi-phase systems