Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
02/2009
02/04/2009CN201191804Y Auxiliary current transformer for automobile
02/04/2009CN201191769Y Current type dual input non-interruption switch power-supply
02/04/2009CN101361257A Device for connection to an impedance having a mainly inductive character
02/04/2009CN101361256A Output inverter for single phase and its output current detection method
02/04/2009CN101361255A A drive circuit
02/04/2009CN101361254A Ac link bidirectional dc-dc converter, hybrid power supply system using the same, and hybrid vehicle
02/04/2009CN101361253A Electric power supply apparatus and vehicle having electric power supply apparatus
02/04/2009CN101360372A Circuit apparatus for LED lighting lamp
02/04/2009CN101359895A Motor drive system
02/04/2009CN101359894A Maintenance method for motor drive system
02/04/2009CN101359890A Rectified AC power supply DC electric fan
02/04/2009CN101359881A Pulse width modulation method based on minimum common mode transient voltage superimposed
02/04/2009CN101359880A Power converter
02/04/2009CN101359879A Discontinuous pulse width modulation for double-ended inverter system
02/04/2009CN101359878A Flyback voltage converter having self-driving synchronous rectifier
02/04/2009CN101359877A Flyback converter having self-driving synchronous rectifier
02/04/2009CN101359872A Auxiliary power source for combination switch
02/04/2009CN101359247A Power adapter circuit for motherboard
02/04/2009CN100459404C Control method of power amplifier of magnetic bearing switch with multiple routes of output
02/04/2009CN100459402C Three level double voltage reducing type semi-bridge converter
02/04/2009CN100459401C Power supply processing circuit
02/04/2009CN100459400C Semiperiod control single polar double voltage reducing convertor
02/04/2009CN100459399C Power supply unit
02/04/2009CN100459398C Current detecting unit for inverter
02/04/2009CN100459397C Floating-grid threshold-value adjustable rectifying circuit for FR electronic label
02/04/2009CN100459396C Precharging circuit for converter
02/04/2009CN100459394C Control unit and compressor used thereby
02/04/2009CN100458840C Self-offset high efficiency rectification circuit used for RF electron tag
02/04/2009CN100458662C Efficiency execution device and method for dynamically adjusting execution efficiency of load device
02/03/2009US7486528 Linear-predict sampling for measuring demagnetized voltage of transformer
02/03/2009US7486082 Anomaly detection in inverter system
02/03/2009CA2122438C Control procedure of a power converter device for supplying a continuous current to an electric arc furnace
01/2009
01/29/2009WO2009015066A2 Modular vehicle power system
01/29/2009WO2009014522A1 Power system having ac and dc power sources
01/29/2009WO2009014245A1 Device for controlling drive of semiconductor switching element
01/29/2009WO2009014236A1 Voltage conversion device
01/29/2009WO2009012825A1 Radio-frequency power supply arrangement, in particular a plasma supply device and method for operation of a radio-frequency power supply device
01/29/2009WO2008148470A3 Rectifier for feeding a coil
01/29/2009WO2008069769A9 Method for obtaining electric load from the primary and secondary transformer coils
01/29/2009US20090027937 High frequency power supply
01/29/2009US20090027936 Rf power supply
01/29/2009US20090027935 Polyphase Inverter, Control Method Thereof, Air Sending Device and Polyphase Current Output System
01/29/2009US20090027934 Electric Transformer-Rectifier
01/29/2009US20090027933 Voltage link control of a dc-ac boost converter system
01/29/2009US20090027932 Alternative-source energy management
01/29/2009US20090027931 Ac-dc converter
01/29/2009US20090027930 Ac-dc converter
01/29/2009US20090027922 Power adapter
01/29/2009US20090027002 Power control interface & energy storage between a wind farm and a power transmission system
01/29/2009US20090026544 Semiconductor device
01/29/2009DE19524185B4 Gleichrichterschaltung Rectifier circuit
01/28/2009CN201188586Y Rectifying inversion module
01/28/2009CN201188585Y Fault-guiding safety power supply inverter
01/28/2009CN201188583Y Control circuit with zero-voltage and zero-current as well as soft switch for arc-welding inverter
01/28/2009CN201186619Y Traction power supply equipment based on PWM rectifier
01/28/2009CN101356733A Triangular waveform generating circuit, generating method, inverter using them, light emitting device and liquid crystal television
01/28/2009CN101356720A Current control type power conversion device
01/28/2009CN101355322A Single-electrical-inductance double-step-down type half-bridge inverter working in half cycle and control method thereof
01/28/2009CN101355321A Multiple power conversion apparatus and multiple transformer
01/28/2009CN101355320A Voltage link control of a dc-ac boosting converter system
01/28/2009CN101355319A Method for improving operation reliability of current-control type inverter output short circuit
01/28/2009CN101355318A Improved method for controlling hysteresis loop current
01/28/2009CN101355317A Power converter and power unit
01/28/2009CN101355316A Apparatus and method for generating AC signal
01/28/2009CN101355315A Method and circuit for sampling output DC quantity of sine inversion system
01/28/2009CN101355314A Circuit for detecting commutation failure of back-to-back silicon-control rectifying circuit and control method thereof
01/28/2009CN101355313A Self-checking circuit for switchingin of three-phase rectifier
01/28/2009CN101355312A AC-DC converter
01/28/2009CN101355311A AC-DC converter
01/28/2009CN101355310A Frequency-converting circuit
01/28/2009CN101355294A Short circuit protetive circuit for inverter
01/28/2009CN101355262A Power adapter
01/28/2009CN101354003A Method for delaying power supply of spanning automobile / locomotive action guide engine time interval
01/28/2009CN101352776A Variable polarity welding power supply secondary inverter circuit and control method thereof
01/28/2009CN100456618C Non-isolation DC/AC inverter
01/28/2009CN100456617C Single-stage two-way step down DC converter type high frequency link inverter
01/28/2009CN100456616C Inverter circuit and inverting method thereof
01/28/2009CN100456615C Inverting circuit and method
01/28/2009CN100456614C Controlled inverter for led signalling device
01/28/2009CN100456606C Multiple changing mode power control method
01/28/2009CN100456596C Capacitor control system
01/28/2009CN100456592C Method for error handling in a converter circuit for wiring of three voltage levels
01/27/2009US7483798 Real-time high-speed monitoring of steady state
01/27/2009US7483695 Inverter maintenance system and inverter
01/27/2009US7483282 PWM method for cycloconverter
01/27/2009US7483280 Capacitive power supply circuit and method
01/27/2009US7483272 Portable hand held multi-source power inverter with pass through device
01/27/2009US7482787 Controller for a permanent magnet generator and a generator in combination with such a controller
01/27/2009CA2408376C Battery monitoring system
01/22/2009WO2009012008A2 Methods and apparatus for three-phase inverter with reduced energy storage
01/22/2009WO2009011877A2 Method and apparatus for anti-islanding of distributed power generation systems
01/22/2009WO2009011269A1 Power supply unit of vehicle
01/22/2009WO2009010025A1 Apparatus for feeding electrical energy into an energy supply system and dc voltage transformer for such an apparatus
01/22/2009WO2008144721A3 Method for converting direct current to alternating current
01/22/2009WO2008099087A3 Generator and method for generating a direct current high voltage, and dust collector using such generator
01/22/2009US20090021970 Dc-ac converter, controller ic therefor, and electronic apparatus utilizing the dc-ac converter
01/22/2009US20090021969 Appliance and power supply therefor
01/22/2009US20090021968 Switching power supply apparatus and power supply control semiconductor integrated circuit
01/22/2009US20090021967 Method for controlling a generation of an alternating current in a vehicle
01/22/2009US20090021081 Methods and apparatus for three-phase inverter with reduced energy storage