Patents for H02M 1 - Details of apparatus for conversion (33,954)
07/2012
07/04/2012CN102549907A Converter with active fault current limitation
07/04/2012CN102549901A Power factor correction with variable bus voltage
07/04/2012CN102549900A System and method for rejecting DC current in power factor correction systems
07/04/2012CN102549899A System and method for reducing line current distortion
07/04/2012CN102549898A 电源 Power supply
07/04/2012CN102549897A Phase-controlled non-zero-cross phototriac with isolated feedback
07/04/2012CN102549867A 电力供应控制装置 Power supply control means
07/04/2012CN102548099A Multi-path constant-current LED (Light-Emitting Diode) lamp driving circuit
07/04/2012CN102548092A Light-emitting diode (LED) drive circuit and LED lamp
07/04/2012CN102545686A Method and device for correcting and driving photovoltaic inverter
07/04/2012CN102545681A Step wave synthesis three-phase inverter capable of eliminating low frequency harmonic waves and control method
07/04/2012CN102545678A Inverter and startup method thereof
07/04/2012CN102545671A Power-generating system, power converter system and method of converting power
07/04/2012CN102545669A Solar electro-optical system with capacitance conversion function
07/04/2012CN102545662A Switch control circuit, converter using the same, and switch control method
07/04/2012CN102545660A Phase sequence self-adaption trigger circuit of three-phase fully-controlled rectifier induction heating power supply
07/04/2012CN102545655A Current-sharing controller for direct current parallel technology of variable frequency generator set
07/04/2012CN102545653A Segmented dual-protection-type power supply for semiconductor device testing system
07/04/2012CN102545648A Multi-phase current supplying circuit, driving apparatus, compressor, and air conditioner
07/04/2012CN102545643A Natural freewheeling alternating current chopper main circuit structure
07/04/2012CN102545642A Narrow pulse suppression and electric energy quality improvement method for matrix converter
07/04/2012CN102545638A Interleaving three-level DC/DC converter and AC/DC converter
07/04/2012CN102545636A Pulse frequency modulation (PFM) primary side feedback controller and PFM primary side feedback converter using same
07/04/2012CN102545635A Bridgeless fly-back converter with high power factor
07/04/2012CN102545620A Power supply device used for arc machining
07/04/2012CN102545599A Switch voltage-stabilized power supply and voltage stabilizing method thereof
07/04/2012CN102545597A Switching regulator
07/04/2012CN102545583A Circuit for reducing electromagnetic interference noise
07/04/2012CN102545582A Bridgeless power factor correction circuit and control method thereof
07/04/2012CN102545581A Control method for double-switch boost three-phase power factor correction circuit and realization device
07/04/2012CN102545580A In-system programming universal PFC multifunctional processor
07/04/2012CN102545579A Power factor correction pre-adjusting circuit and switch power source
07/04/2012CN102545578A Single-phase half-bridge voltage-multiplying rectification PFC (power factor correction) circuit
07/04/2012CN102545577A Power factor correction circuit, power supply and electronic equipment
07/04/2012CN102545576A Low-power consumption standby circuit of power-frequency power supply transformer
07/04/2012CN102545575A Startup circuit, switching power source ic, and switching power source apparatus
07/04/2012CN102545574A Low-power consumption power network designing method for system on chip (SOC) chip
07/04/2012CN102545573A Enabling control method and output voltage control method of direct current-direct current converter (DC-DC converter)
07/04/2012CN102545572A Capacitor multiplexing soft-start circuit and method
07/04/2012CN102545571A Current sensing circuit applied in switched power supplier
07/04/2012CN102545570A Llc converter active snubber circuit and method of operation thereof
07/04/2012CN102545569A Dynamic adjuster
07/04/2012CN102545568A Terminal power supply circuit and multi-mode data card
07/04/2012CN102545567A System for providing overcurrent protection for power converter and method
07/04/2012CN102545566A Universal H-bridge and half-H-bridge circuit module
07/04/2012CN102545565A Single-stage high power factor correction conversion method and device for low output power frequency ripples
07/04/2012CN102545564A Power supply filter circuit and modeling method thereof
07/04/2012CN102545563A Power factor correction (PFC) conversion control method for low output voltage ripple and device thereof
07/04/2012CN102545562A Systems and methods for reducing harmonic distortion in electrical converters
07/04/2012CN102545561A Cross complementing PWM driving waveform generating method and circuit
07/04/2012CN102545560A Power switch driver, IC chip, and DC-DC converter
07/04/2012CN102545559A Gate driver and semiconductor device employing the same
07/04/2012CN102545558A Gate driving power supply system and inverter control circuit
07/04/2012CN102545557A Power semiconductor system
07/04/2012CN102545556A Integrated circuit-based drive circuit for driving voltage-controlled switching device and method of manufacturing the drive circuit
07/04/2012CN102545555A Load driver with constant current variable structure
07/04/2012CN102545554A Series circuit based on inverse parallel of insulated gate bi-polar transistor (IGBT) and silicon carbide (SiC) avalanche diode
07/04/2012CN102545553A Current driver, electronic device and current driving method
07/04/2012CN102545552A Matching circuit and large-power pulse power supply using same
07/04/2012CN102545551A New energy automobile, power system and motor inversion device
07/04/2012CN102545550A Control device for auxiliary current transformer and auxiliary current transformer system
07/04/2012CN102545549A Space voltage vector pulse width modulation method
07/04/2012CN102545548A Power converter
07/04/2012CN102545547A Control device for vehicle
07/04/2012CN102545546A Circulation cooling system and method for controlling same
07/04/2012CN102545545A Power supplies and control methods for operating in quadrature-resonance-similar mode
07/04/2012CN102545544A Portable wireless controller of variable frequency power supply
07/04/2012CN102545543A DC-DC conversion power box for vehicle
07/04/2012CN102543423A Capacitor assembly and method for making the same
07/04/2012CN101983322B Temperature detecting circuit
07/04/2012CN101977042B PWM or PSM dual-mode modulation control circuit used for switch voltage-stabilized supply
07/04/2012CN101951174B Constant-frequency direct power control method for PWM converter under condition of power grid voltage imbalance
07/04/2012CN101938223B Multidimensional digital controlled inverter power supply
07/04/2012CN101888121B Energy acquisition and power supply management device of current transformer of overhead line
07/04/2012CN101841239B Boost DC/DC converter and logic control circuit thereof
07/04/2012CN101841228B Clamping protection circuit and PFC control circuit utilizing same
07/04/2012CN101834539B High-efficiency AC/DC combined converter with wide output voltage range
07/04/2012CN101826838B High-energy-efficiency multilevel high-voltage variable frequency speed control device with directly series-connected insulated gate bipolar transistors (IGBT)
07/04/2012CN101821852B Cascode current sensor for discrete power semiconductor devices
07/04/2012CN101814824B Small high-voltage ignition module power supply
07/04/2012CN101807846B Module power of small high-voltage cold-cathode trigger tube
07/04/2012CN101789694B Power governor and control method thereof
07/04/2012CN101783612B Three-arm power conversion device
07/04/2012CN101669207B Semiconductor device
07/04/2012CN101635559B Inverter generator
07/04/2012CN101618472B Soft switching inversion welding machine
07/04/2012CN101615849B AC power supply device for regenerating magnetic energy
07/04/2012CN101540543B Electric power converter
07/04/2012CN101517875B Smoothing the input current of a regenerative power delivery system by using sliding data windows
07/04/2012CN101485073B High-efficiency power coN. V.erter system
07/04/2012CN101478247B Single-stage AC-DC converter circuit having voltage feedback
07/04/2012CN101471561B Failure detection device for power circuit including switching element
07/04/2012CN101436821B PWM/PDM double-mode modulation selective circuit and double-mode modulation method
07/04/2012CN101431293B Digital controlled power supply
07/04/2012CN101340139B Multi-output AC power source adapter
07/04/2012CN101277058B Secondary time-delay soft start circuit of DC/DC convertor
07/04/2012CN101202515B Electric power convertion device
07/03/2012US8213204 Modular power adapter
07/03/2012US8213198 Partial regeneration in a multi-level power inverter
07/03/2012US8213195 Pulse width modulation step wave and sine wave driving device