Patents for H02M 1 - Details of apparatus for conversion (33,954)
04/2009
04/14/2009US7518891 Auxiliary circuit for use with three-phase drive with current source inverter powering a single-phase load
04/14/2009US7518430 Mechanism for providing over-voltage protection during power up of DC-DC converter
04/14/2009US7518263 Time delay control scheme for a power supply with multiple outputs
04/09/2009WO2009044602A1 Gate driving circuit
04/09/2009WO2009044231A2 A power system including a feed-back and a feed-forward control circuit
04/09/2009WO2009043186A2 Arrangement for protecting inverters comprising an intermediate voltage circuit from a bridge short-circuit
04/09/2009WO2008116674A8 Circuit arrangement for identifying network zero crossings
04/09/2009DE10310161B4 Monolithisch integrierte Schaltkreis-Anordnung The monolithic integrated circuit arrangement
04/08/2009EP2045901A1 Active compensation device for harmonic currents
04/08/2009EP1240707B1 Variable frequency electric signal generator, automatic control and low cost computing means
04/08/2009EP1092260B1 Circuit for correcting the power factor
04/08/2009CN201219254Y Negative voltage migration circuit
04/08/2009CN201219243Y 电源逆变器 Power Inverter
04/08/2009CN201219239Y Low power-input high-power-output start power supply
04/08/2009CN201219238Y Electricity saving device of power supply
04/08/2009CN201219237Y Quick start apparatus of switch power supply
04/08/2009CN201219236Y Passive filter arrangement especially for 12 impulse rectification load
04/08/2009CN201219235Y Device for reducing harmonic wave discharged by UPS to electric network
04/08/2009CN201219234Y Resonance driving module with dynamic power supply
04/08/2009CN201219233Y Encoding trigger equipment of current transformer power unit
04/08/2009CN201219232Y Power adapter
04/08/2009CN201219201Y Experiment electric power reclamation plant for diesel engine
04/08/2009CN201219017Y Digital current changer and display control device
04/08/2009CN201219016Y Digital controller and display module control system
04/08/2009CN101405671A Supply circuit with ripple compensation
04/08/2009CN101404865A Trap type capacitor fixing device
04/08/2009CN101404461A Current decoupling control method used for three-phase three-line voltage type power transformer
04/08/2009CN101404459A Control method of AC-AC frequency converter in current on-off state
04/08/2009CN101404458A Non-circular current control method for AC-AC frequency converter
04/08/2009CN101404457A AC-AC frequency conversion current digital control system based on DSP and FPGA
04/08/2009CN101404453A Anti-interference switch stabilized voltage supply
04/08/2009CN101404452A Control circuit of electric power converter
04/08/2009CN101404446A Monocycle power factor emendation method
04/08/2009CN101404445A Current transformer power module main body apparatus and its processing method
04/08/2009CN101404444A Light railway van traction current transformer ventilating system and its installing/dismounting method
04/08/2009CN101404443A Pulse-width modulator and boosting type converter employing the same
04/08/2009CN101404280A Power electronics devices with integrated control circuitry
04/08/2009CN100477471C Single stage, bi-directional voltage increase and decrease DC converter type ring joint inverter in high frequency
04/08/2009CN100477470C Single stage bidirectional voltage boosting dc converter type annulus inverter in high frequency
04/08/2009CN100477465C Dc-dc converter
04/08/2009CN100477459C Boosting type converter
04/08/2009CN100477442C Medium voltage mixed active electric filter
04/07/2009US7515448 AC adapter which can be reduced in size and lowered in profile
04/07/2009US7515447 Method and arrangement in inverter
04/07/2009US7515444 Converter with selective current mode and voltage mode controlled switching
04/07/2009US7515393 Voltage regulator
04/07/2009US7514913 Parallel current mode control using a direct duty cycle algorithm with low computational requirements to perform power factor correction
04/07/2009US7514911 Voltage regulator feedback protection method and apparatus
04/07/2009US7514898 Low loss propulsion system
04/02/2009WO2009040280A1 Method and device for controlling an electric motor
04/02/2009WO2009039887A1 Dc control unit for controlling an input voltage in a photovoltaic system
04/02/2009WO2005043742A3 Universal three phase controllers for power converters
04/02/2009US20090086516 Architecture for switching on and off power
04/02/2009US20090085547 Switching Power Supply Unit
04/02/2009DE202005021671U1 Schaltungsanordnung zum Ausschalten einer Crowbar Circuitry for switching off a Crowbar
04/02/2009DE10334832B4 Steuerkreis zum Ansteuern eines Leistungshalbleiterbauelements Control circuit for driving a power semiconductor device
04/02/2009DE102008035234A1 Motor vehicle e.g. sedan, power converter, has direct and alternate current connections coupled with conductive element i.e. bus bar, such that current from connections flows to electronic device sections of element in directions
04/02/2009DE102007044143A1 Electric consumer load i.e. ventilation fan motor of ventilation system for motor vehicle, controlling device, has temperature sensor coupled with drain-connection element of housing of metal oxide semiconductor power transistor
04/01/2009EP2043266A1 Load drive device
04/01/2009EP2043242A2 Fast transient step load response in a power converter
04/01/2009EP2043241A2 Motor Drive Using Flux Adjustment to Control Power Factor
04/01/2009EP2043240A2 Switching mode power supplies with digital electromagnetic interference control
04/01/2009EP2043239A1 Method in connection with mains side converter
04/01/2009CN201215926Y Power tube configuring construction for digital electricity generator DC-to-AC converter
04/01/2009CN201215711Y Backlight board device
04/01/2009CN201214378Y Control device for locomotive power supply cabinet
04/01/2009CN101401308A Circuit and a method for the galvanically separated control of a semiconductor switch
04/01/2009CN101401307A Drive circuit and semiconductor device using the same
04/01/2009CN101401052A Circuit and method for changing transient response characteristics of a DC/DC converter module
04/01/2009CN101399530A Circuit and method for frequency interference according to load
04/01/2009CN101399521A Apparatus and method for supplying power to an inductive load
04/01/2009CN101399504A Full digital soft starting circuit and electric supply system applying the circuit
04/01/2009CN101399503A Switching circuit having low threshold voltage
04/01/2009CN101399502A Forward converter having self-driving synchronous rectifier
04/01/2009CN101399501A Power converter and its control method
04/01/2009CN101399495A Switching mode power supplies with digital electromagnetic interference control
04/01/2009CN101399494A Control circuit for power factor corrector
04/01/2009CN101399493A AC-DC rectifying device
04/01/2009CN101399492A Control circuit having protection circuit for power supply apparatus
04/01/2009CN101399491A Overcurrent protection circuit for photovoltaic DC-to-AC converter
04/01/2009CN101399490A Power converter construction
04/01/2009CN101398693A Voltage conversion device with soft startup function
04/01/2009CN100474753C 电源电路及电子装置 The power supply circuit and electronic device
04/01/2009CN100474748C Switched mode power supply, and control circuit and method for controlling the same
04/01/2009CN100474747C Motor control circuit and associated full bridge switching arrangement
04/01/2009CN100474746C Multiplier-divider circuit for a PFC controller
03/2009
03/31/2009US7511975 System and method for limiting AC inrush current
03/31/2009US7511974 High voltage charging circuit
03/31/2009US7511447 Motor drive apparatus
03/26/2009WO2009037613A1 Control of a half bridge resonant converter for avoiding capacitive mode
03/26/2009WO2009037378A1 Control circuit and dithering method
03/26/2009DE102007042586A1 Verfahren und Vorrichtung zum Regeln eines Betriebs eines Halbleiter-Bauelements Method and apparatus for controlling an operation of a semiconductor device
03/26/2009DE102006026465B4 Filter für ein elektrisches Betriebsmittel, insbesondere für ein Schaltnetzteil, eine Stromversorgung oder einen Frequenzumrichter Filter for an electrical device, especially for a switching power supply, a power supply or inverter
03/25/2009EP2040362A1 Power supply apparatus
03/25/2009EP2040360A1 Method and device for controlling an electric motor
03/25/2009EP2040349A2 Adjustable speed drive protection
03/25/2009CN201213250Y Interference suppressing independent filter
03/25/2009CN201213243Y SPWM controller based on FPGA
03/25/2009CN101394139A Single pole modulation semi-bridge type inverter
03/25/2009CN101394138A Motor