Patents for H02M 1 - Details of apparatus for conversion (33,954)
04/2008
04/30/2008CN101170282A Inverter current detecotr
04/30/2008CN101170280A A realization method of high-end drive circuit and its circuit
04/30/2008CN101170274A Control circuit with bottom potential shift device for transferring input signal and corresponding method
04/30/2008CN101170253A Digital protection circuit for multi-channel DC/DC insulation power
04/30/2008CN101168210A Improved three stage power source for electric arc welding
04/30/2008CN100385781C Current equalizing method and apparatus for alternately controlling power factor correcting circuit
04/29/2008US7365999 Circuit arrangement
04/29/2008US7365996 Switched-mode power supply
04/29/2008US7365525 Protection for switched step up/step down regulators
04/29/2008US7365524 Tip having active circuitry
04/29/2008CA2337388C Control system adapted to control operation of an ac/dc converter
04/24/2008WO2008048980A2 Supply power control with soft start
04/24/2008US20080094865 Supply Power Control with Soft Start
04/24/2008US20080094121 Inverter driving circuit and inverter control circuit
04/24/2008US20080094049 PWM modulator for scalable converters
04/24/2008DE202008002312U1 Anordnungssystem Assembly system
04/24/2008DE112005000013B4 Schaltstromversorgungsvorrichtung Switching power supply device
04/24/2008DE102007006840B3 Traction power converter's damping unit for electrical locomotive, has two rail pieces and two conductor pieces, where rail pieces are arranged in parallel such that rail pieces are spatially distant from each other
04/23/2008EP1914870A1 Overcurrent protection for a buck-boost switching regulator
04/23/2008EP1914868A1 Filtering choke arrangement for a frequency converter
04/23/2008EP1913688A2 Method and apparatus for implementing soft switching in a class d amplifier
04/23/2008EP1913679A1 Switching regulator with slope compensation independent of changes in switching frequency
04/23/2008EP1913454A1 A voltage regulation device
04/23/2008CN201051720Y Power unit bypass machine of high-voltage frequency conversion speed-adjusting device
04/23/2008CN201051714Y Integrated intelligent environmental power supply device for powering different power devices
04/23/2008CN201051713Y A power supply drive board for wind volume varying air-conditioner end
04/23/2008CN101167240A Switched-mode power supply regulation
04/23/2008CN101167236A Power supply controller and its method
04/23/2008CN101166024A Method and apparatus for overcoming negative bias temperature instability effect in life span
04/23/2008CN101165892A Method for power block
04/23/2008CN100384068C Driving circuit for DC/DC converter voltage and level transferring method
04/23/2008CN100384067C Power supply stabilizing device having active ballasting function and method thereof
04/22/2008US7362594 Adaptive resonant switching power system
04/22/2008US7362162 Line filter
04/22/2008US7362009 Chain reaction control circuit for parallel power supply
04/22/2008CA2321879C Cooling element for electronic power device and power electronic device comprising same
04/17/2008WO2008045201A1 Low-noise dc/dc converter with controlled diode conduction
04/17/2008US20080088177 Intelligent direct current power supplies
04/17/2008DE102005045552B4 Schaltungsanordnung Circuitry
04/16/2008EP1912321A2 Intellegent method for DC bus voltage ripple compensation for power conversion units
04/16/2008EP1912320A2 Method and apparatus for a control circuit with multiple operating models
04/16/2008CN201048353Y System for converting AC voltage to DC voltage
04/16/2008CN201048352Y Three-phase intermediate frequency DC high voltage power supply for ESP
04/16/2008CN201048349Y Water nozzle of electrolysis DC heavy current commutating device pure water cooling system
04/16/2008CN201048348Y Movable charging type power adapter
04/16/2008CN201048347Y Cooling structure for power supply of LED display screen module group
04/16/2008CN201048294Y Signal regulating device for power output terminal of power supplier
04/16/2008CN101164384A Self-exciting step-up converter
04/16/2008CN101162898A Transistor with starting control element
04/16/2008CN101162897A Consumption type transistor as starting control element
04/16/2008CN101162865A Working frequency producing method and circuit of switching type electric voltage transposer
04/16/2008CN100382416C Variable-frequency air-condition power supply power factor correcting device
04/16/2008CA2606637A1 Static inverter with hardened environmental housing
04/15/2008US7360006 Apparatus and method for managing voltage buses
04/15/2008US7359222 Method and apparatus to improve regulation of a power supply
04/15/2008US7359221 Power supply for use in an electronic energy meter
04/15/2008US7359171 Current limiting circuit and output circuit including the same
04/15/2008US7358791 Discharge protection circuit
04/15/2008US7358711 Adaptive control loop
04/15/2008US7358706 Power factor correction control methods and apparatus
04/15/2008CA2380175C Highly efficient driver circuit for a solid state switch
04/10/2008WO2008042915A2 Power controller having a single digital control pin and method utilizing same
04/10/2008WO2008042028A1 Smoothing the input current of a regenerative power delivery system by using sliding data windows
04/10/2008WO2008041685A1 Gate drive circuit
04/10/2008WO2008041428A1 Analog/digital conversion circuit, timing signal generation circuit, and control device
04/10/2008WO2008012772A3 Switch mode power supply with a t ransient voltage suppression devide for line induced transients and a mechanism for suppressing unwanted oscillations in the driver stage
04/10/2008US20080084717 Multi-phase buck converter with a plurality of coupled inductors
04/10/2008US20080084716 Intelligent method for dc bus voltage ripple compensation for power conversion units
04/10/2008DE102007019524A1 Halbleitervorrichtung, die einen Spannungsstoß verringert oder verhindert A semiconductor device, which reduces or prevents a surge
04/10/2008DE102006047627A1 Antriebseinheit, sowie Verfahren zum Betreiben einer Antriebseinheit Drive unit, as well as methods for operating a drive unit
04/10/2008DE102006047503A1 Verfahren zum Betreiben sowie Verwendung eines Umrichters A method for operating and using a converter
04/10/2008DE102006025531A1 Stromrichtermodul Converter module
04/09/2008EP1909388A1 Common-mode filter and variable-speed drive comprising the same
04/09/2008EP1909378A2 Method and apparatus for a control circuit responsive to an impedance coupled to a control circuit terminal
04/09/2008EP1909377A1 Drive circuit of motor and outdoor unit of air conditioner
04/09/2008EP1254516A4 High power modulator
04/09/2008CN101160706A Assembly comprising a three-phase machine and a frequency converter
04/09/2008CN101159417A Circuit and method of detecting input voltage of power supply converter
04/09/2008CN101159415A Method and apparatus for a power supply controller responsive to a feedforward signal
04/09/2008CN101159414A Control circuit of power converter
04/09/2008CN101159410A Method and apparatus for a control circuit responsive to an impedance coupled to a control circuit terminal
04/09/2008CN101159372A Switch power source for digital relay protection
04/09/2008CN100380798C Output regulator system
04/09/2008CN100380797C Semiconductor apparatus for controlling a switching power supply
04/09/2008CN100380793C Circuit used for power factor correction
04/09/2008CN100380775C Combination of AC-DC to DC converter
04/08/2008US7356626 Method and device for signal protection
04/08/2008US7355865 Method and apparatus for rejecting the second harmonic current in an active converter with an unbalanced AC line voltage source
04/08/2008US7355830 Overcurrent protection device
04/08/2008US7355374 Direct current voltage transformer
04/08/2008US7354301 DC adapter and electronic apparatus using the same
04/08/2008CA2493048C Dc power source determination circuitry for use with an adapter
04/03/2008WO2007130437A3 Switched mode power supply with frequency modulation control
04/03/2008WO2007070815A3 Method and apparatus for controlling voltage linearity of voltage source inverters
04/03/2008US20080080216 Device for driving light sources
04/03/2008US20080080215 Systems and methods for driving a ferrite load
04/03/2008DE202008000440U1 Wechselrichter Inverter
04/03/2008DE102006046194A1 Heat sink for cooling e.g. power semiconductor of current converter, has contact surface delivering heat energy to cooling device, and heat conductive channel conducting heat to cooling device, contact surface and another cooling device
04/03/2008DE102006046040A1 Thyristorventil einer HGÜ-Anlage Thyristor valve of a HVDC transmission system
04/03/2008DE102006045697A1 Verfahren zur Erzeugung von Bandsperren in elektrischen Filtern für Bahnfahrzeuge Process for the production of band-stop filters in electrical filters for railway vehicles