Patents for H02M 1 - Details of apparatus for conversion (33,954)
03/2013
03/27/2013CN102185466B Driving circuit and driving method applied to flyback-type converter and quasi-resonant soft-switching flyback-type converter applying same
03/27/2013CN102158067B Starting circuit for switching power supply
03/27/2013CN102158056B Method for realizing soft-current characteristics of dual-transistor forward switching power supply circuit
03/27/2013CN102130573B Multi-group output voltage-reduction conversion device having power-off protection function
03/27/2013CN102088802B Control device and method for reduction of inrush starting current of microwave tube in microwave oven
03/27/2013CN102082501B Circuit for starting power supply units and a power module circuit employing same
03/27/2013CN102034860B Group III nitride semiconductor device, production method therefor, power converter
03/27/2013CN101902141B Power module assembly
03/27/2013CN101888229B Novel IGBT high-pressure series valve controlling and monitoring system
03/27/2013CN101860185B Frequency converter drive protecting circuit
03/27/2013CN101795054B Power conversion apparatus
03/27/2013CN101160706B Assembly comprising a three-phase machine and a frequency converter
03/26/2013US8406021 System and method for reducing line current distortion
03/25/2013DE202011052153U1 Leistungsfaktorkorrekturschaltung und Methodik zum Kompensieren eines voreilenden Leistungsfaktor Power factor correction circuit and method for compensating for a leading power factor
03/21/2013WO2013038775A1 Gate drive circuit for power semiconductor element, and method for driving power semiconductor element
03/21/2013WO2013038634A1 Differential transmission circuit
03/21/2013WO2013038090A2 Member for pressing a component firmly against a surface
03/21/2013WO2013037321A1 A control method and system for assisting active power factor correction loads
03/21/2013WO2013037192A1 Self-excited push-pull converter
03/21/2013WO2013004665A3 Boost converter and operating method therefor
03/21/2013WO2012134686A3 Electronic components with reactive filters
03/21/2013WO2012118701A3 System and method for operating inverters
03/21/2013WO2011100971A3 Method for implementing bootstrap-supply charging in a motor controller at energized motor and motor controller using such a method
03/21/2013US20130070490 Grid-Connected Inverter and Method for Filtering AC Output Thereof
03/21/2013DE112010005642T5 Magnetische Interphasen-Vorrichtung zur Beseitigung von Oberwellen Magnetic interphase device for eliminating harmonics
03/21/2013DE102012017799A1 Electric drive system for motor car, has cooling device assigned to electronic units that are arranged freely in central housing and connected with high-voltage battery through common connection
03/21/2013DE102009002732B4 Schaltungsanordnung mit zwei Halbleiterschaltelementen und einem Freilaufelement sowie zugehöriger Schaltwandler Circuit with two semiconductor switching elements and a freewheeling element and associated switching converter
03/20/2013EP2571149A1 Method and circuit arrangement for reducing common mode current
03/20/2013EP2571095A1 Device and method for protecting a battery
03/20/2013EP2569855A1 Method of pwm control of a power converter
03/20/2013EP2569854A2 Charging generator
03/20/2013CN202818746U Electronic energy saving lamp high-power factor circuit
03/20/2013CN202818226U Motor driver based on separated IGBT and single-layer PCB
03/20/2013CN202818203U A fretsaw speed regulating control circuit
03/20/2013CN202818146U Inverter possessing filtering branches
03/20/2013CN202818141U Inverter power supply suitable for low voltage battery power supply
03/20/2013CN202818134U PSM high-voltage power supply
03/20/2013CN202818129U DSP-controlled adjustable large power distribution type DC power supply
03/20/2013CN202818127U Switch power supply with high-precision over-current protection circuit
03/20/2013CN202818123U Novel inversion type three-phase corona machine power supply
03/20/2013CN202818116U Dual-channel pulse trigger board
03/20/2013CN202818110U Non-Y capacitor switch power supply
03/20/2013CN202818100U Switching power supply circuit with switching metal oxide semiconductor (MOS) tube
03/20/2013CN202818092U Power adapter capable of suppressing electromagnetic interference
03/20/2013CN202818091U Active power factor correction device
03/20/2013CN202818090U Bridgeless type power factor corrector having single inductance element
03/20/2013CN202818089U Power factor correction circuit
03/20/2013CN202818088U Power supply automatic on-off control device for electric power equipment
03/20/2013CN202818087U Starting circuit for high-voltage input switching power supply
03/20/2013CN202818086U Circuit inhibiting switching power supply from outputting overshoot voltage during power-on
03/20/2013CN202818085U Lossless snubber circuit of DC/DC converter
03/20/2013CN202818084U A drive interlocking circuit against direction connection of bridge arms
03/20/2013CN202818083U Suppression circuit of instantaneous starting current
03/20/2013CN202818082U Ripple compensation circuit and super capacitor charge and discharge device
03/20/2013CN202818081U Inversion drive circuit of IGBT induction heating power source
03/20/2013CN202818080U Unipolar driving circuit
03/20/2013CN202818079U A current equalizing device of a converter and the converter
03/20/2013CN202818078U HSPWM driving circuit
03/20/2013CN202818077U Secondary protection plugboard
03/20/2013CN202818076U Novel transformer box layout structure
03/20/2013CN202818075U Combined power supply port structure of power supply converter
03/20/2013CN202818074U Waterproof power adapter
03/20/2013CN102984864A LED lamp driving power supply with lightning protection and automatic temperature control functions
03/20/2013CN102983768A Optimization control method based on selective harmonic elimination pulse width modulation (SHEPWM)
03/20/2013CN102983750A Switching power-conversion circuit and applicable power supply unit of same
03/20/2013CN102983747A Full-bridge combined soft switching DC (direct-current) converter
03/20/2013CN102983739A Active power factor correction circuit
03/20/2013CN102983738A Primary voltage buffer type full-bridge single-stage power-factor corrector of transformer
03/20/2013CN102983737A Power factor correction apparatus and method
03/20/2013CN102983736A AC-DC switch power source having power factor correcting function
03/20/2013CN102983735A Pre-charge system and method for capacitor of modular multi-level matrix converter
03/20/2013CN102983734A Soft starting circuit applied to voltage boosting DC-DC switch power supply
03/20/2013CN102983733A Direct current (DC)-DC convertor and DC-DC converting method
03/20/2013CN102983732A Average current Power Factor Correction (PFC) circuit capable of preventing starting current from damaging sample resistor
03/20/2013CN102983731A Switching power supply controlled by single-chip microcomputer
03/20/2013CN102983730A Direct-current harmonic suppression system and method of double reversed star-like rectification system
03/20/2013CN102983729A Suppressor and suppression method for secondary pulse of DC side voltage of multiplexing inverter
03/20/2013CN102983728A High-power-density direct current power supply circuit
03/20/2013CN102983727A Power switching circuit with superhigh switching efficiency
03/20/2013CN102983726A Direct current (DC) low-voltage power supply circuit
03/20/2013CN102983725A Undifferentiated conversion circuit of input power supply
03/20/2013CN102983724A Power conversion circuit with output protection and ultrahigh conversion efficiency
03/20/2013CN102983723A Broadband non-polar power conversion circuit with output safety
03/20/2013CN102983722A High-reliability direct-current low-voltage power supply circuit
03/20/2013CN102983721A Self-protection conversion circuit of input power supply with undifferentiated output
03/20/2013CN102983720A Safe output-current-limiting automatic polarity identification directional power switching circuit
03/20/2013CN102983719A Multi-waveform input adaptive power adapter
03/20/2013CN102983718A Power supply converting circuit capable of supporting various input waveforms
03/20/2013CN102983717A DC (Direct Current) power supply circuit with output protection and high power density
03/20/2013CN102983716A High-efficiency output power supply adaption circuit for LED chip
03/20/2013CN102983715A XC/DC conversion circuit of low-voltage power supply with high robustness
03/20/2013CN102983714A Low-power-consumption output protection type XC/DC (capacitive reactance/direct current) power switching circuit
03/20/2013CN102983713A Multi-waveform low-voltage input type power adapter
03/20/2013CN102983712A Electromagnetic transient analysis method for large-capacity power-electron conversion system
03/20/2013CN102983568A Modular multilevel converter high voltage direct current (MMC-HVDC) converter station starting method used for power network black start
03/20/2013CN102263561B High voltage frequency converter pulse signal encoder
03/20/2013CN102208874B Isolated voltage compensation circuit
03/20/2013CN102170222B Suppression device for electromagnetic interferences in switching power supply
03/20/2013CN102148573B Semi-bridge soft switch direct current converter and control method thereof
03/20/2013CN102130579B Reduced open-loop control based single-stage power factor corrector
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