Patents for H02M 1 - Details of apparatus for conversion (33,954)
11/2012
11/28/2012CN102801299A Control method for power factor correction controller and uninterrupted power supply
11/28/2012CN102801298A 电源供应模块 Power Supply Modules
11/28/2012CN102801297A Monotonic pre-bias start-up of a DC-DC converter
11/28/2012CN102801296A Switching power supply output peak eliminating circuit
11/28/2012CN102801295A Fault protection circuit and method for submodule of modular multilevel converter
11/28/2012CN102801294A In-parallel sampling over-current protection circuit
11/28/2012CN102801293A Protective device for inhibiting power-on surge current
11/28/2012CN102801292A Quasi-resonance converter adopting LLCL-type filter and limiting reverse recovery current
11/28/2012CN102801291A Multiplex power supply device of electric method meter for mine
11/28/2012CN102801290A H-half-bridge driving circuit
11/28/2012CN102801289A Semicondcutor element driving circuit and semiconductor device
11/28/2012CN102801288A Control circuit, switching mode convertor and control method
11/28/2012CN102801287A Driving voltage-limiting circuit for power device
11/28/2012CN102801286A Switch drive circuit
11/28/2012CN102801285A High-voltage IGBT converter module
11/28/2012CN102801284A Heavy-load converter
11/28/2012CN102801283A 电源供应电路 Power supply circuits
11/28/2012CN102075066B Medium-high voltage frequency converter with integrated structure
11/28/2012CN102064676B Integrated gate commutated thyristor (IGCT) three-level power module
11/28/2012CN102035304B Digital frequency-conversion generator set
11/28/2012CN101976944B Three-phase four-track bridge protection circuit for current output type inverter
11/28/2012CN101888171B No bridge type power factor corrector with logical control
11/28/2012CN101807847B Method and device for supplying power to time division duplex radio-frequency equipment and time division duplex radio-frequency equipment
11/28/2012CN101753004B Overcurrent protection circuit and power converter applying same
11/28/2012CN101714811B Method for dissipating heat of thermotube of convertor and radiator thereof
11/28/2012CN101616524B Commercial LED illumination driver
11/28/2012CN101578756B Power converter with snubber
11/28/2012CN101399501B Power converter
11/28/2012CN101272094B Dc-dc converter
11/27/2012CA2778072A1 Method for the determination of a control scheme for a npc vsc, in particular as an active power filter
11/27/2012CA2595308C Method for operating a converter circuit, and apparatus for carrying out the method
11/26/2012CA2741148A1 Wavelet modulated inverter
11/23/2012DE202012010260U1 Stromquellenspannungs-Umwandlungssystem für Controller-IC Power source voltage conversion system controller IC
11/22/2012WO2012158427A1 Method and system for shoot-through protection
11/22/2012WO2012158419A1 Power supply with rectifier protection
11/22/2012WO2012157301A1 Semiconductor device and circuit for controlling electric potential of gate of insulated-gate type switching element
11/22/2012WO2012157118A1 Drive device for driving voltage-driven element
11/22/2012WO2012155382A1 Boost converter
11/22/2012WO2012130426A3 Dynamic pwm control for a transformer-coupled push-pull power inverter
11/22/2012WO2012096197A3 A power supply device, inverter device, and power tool
11/22/2012WO2012084572A3 Ac/dc power converter with improved power factor and improved thdi
11/22/2012US20120294052 Monotonic pre-bias start-up of a dc-dc converter
11/22/2012DE102011102134A1 Filter circuit for coupling between alternating current voltage source and power pulse current converter circuit, has first and third inductors arranged on same leg of one common iron core and are wound together and are interconnected
11/22/2012DE102011075927A1 Multifunctional power converter circuit for switching switching-network into different switching states during e.g. charging high-volt battery in electric car, has inductor connected to terminal for providing voltage to another terminal
11/22/2012DE102010006185B4 Verfahren und Schaltung zum Schutz eines Mosfet Method and circuit for protecting a MOSFET
11/22/2012CA2836366A1 Converter arrangement
11/21/2012EP2525480A1 Power converter with an rcd clamp and method of operating the same
11/21/2012CN202551441U Non-isolated light-emitting diode (LED) power supply
11/21/2012CN202550914U Midpoint voltage regulation circuit of capacitor
11/21/2012CN202550912U DC-AC output unit of discharge module
11/21/2012CN202550899U Inverter module and frequency converter speed regulation device provided with inverter module
11/21/2012CN202550892U Power supply device with auxiliary power supply
11/21/2012CN202550884U Logic link control (LLC) series resonance circuit
11/21/2012CN202550881U High temperature power supply
11/21/2012CN202550873U Soft start circuit for high-power silicon controlled power supply
11/21/2012CN202550872U AC-DC (alternating current-direct current) chip, system and high-voltage startup control circuit of system
11/21/2012CN202550871U Circuit preventing impact of heavy current in electrifying moment
11/21/2012CN202550870U Bearing cutting hardware power supply based on chart programming
11/21/2012CN202550869U Overcurrent protection circuit of motor servo switch power supply
11/21/2012CN202550868U Switch power supply for high power sound equipment
11/21/2012CN202550867U Harmonic suppressing system of micro-power grid-connected inverter
11/21/2012CN202550866U Electromagnetic interference filter circuit and device with same
11/21/2012CN202550865U Flyback synchronous rectification drive circuit suitable for power supply module
11/21/2012CN202550864U Cooling system of frequency converter
11/21/2012CN202550863U Power supply responsive to multiple control signal formats
11/21/2012CN202550862U High-speed digital switch valve driver
11/21/2012CN202550861U Variable frequency power supply heat dissipating device
11/21/2012CN202550506U Electronic transformer with function of circuit protection
11/21/2012CN202549595U Multi-module inversion output split transformer
11/21/2012CN102792776A Power interface for a power supply circuit
11/21/2012CN102792577A Power conversion device
11/21/2012CN102792572A PFC with reduced pin number requirements for a control IC
11/21/2012CN102792242A Power supply transient response improving
11/21/2012CN102790540A LED (Light-Emitting Diode) light source
11/21/2012CN102790533A Multi-phase alternating resonant converter
11/21/2012CN102790531A System and method for electric current control of power supply alternation system
11/21/2012CN102790522A Realization method for high interference immunity power supply
11/21/2012CN102790521A Soft start method for bidirectional DC-DC (direct current-to-direct current) converter for distributed power generation systems
11/21/2012CN102790520A Bilateral soft start control method for bidirectional DC-DC (direct current-to-direct current) converter for new energy power generation systems
11/21/2012CN102790519A Apparatus and methods of soft-start in a hysteretic power converter
11/21/2012CN102790518A Shutoff protective power supply device
11/21/2012CN102790517A Power conversion device
11/21/2012CN102790516A Feedback clamping power metal oxide semiconductor (MOS) pipe drive circuit for power supply management
11/21/2012CN102790515A Control method of wind power generation double-feed converter space vector pulse width modulation (SVPWM) based on variable switching frequency
11/21/2012CN102790514A Water-cooled inverter system
11/21/2012CN102790513A Power supply module and packaging method thereof
11/21/2012CN102790044A Ultrathin full-wave rectifier
11/21/2012CN102789300A Power supply
11/21/2012CN102005915B Boost and buck integrated bridge-free power factor correction (PFC) circuit
11/21/2012CN101931319B Non-bridge type power factor correction circuit
11/21/2012CN101917057B Multi-functional serial voltage-stabilizing power supply
11/21/2012CN101882863B Unit bypass circuit of unit cascaded high-voltage frequency converter
11/21/2012CN101841238B Boost DC/DC converter and logic control circuit therein
11/21/2012CN101841230B Zero voltage switching DC-DC power tube drive circuit based on double delay chain phase-locked loop
11/21/2012CN101826812B Power converter
11/21/2012CN101728940B Circuit capable of automatically acquiring maximum voltage source
11/21/2012CN101728937B Power switching device
11/21/2012CN101312324B Power module for ac/ac power conversion
11/21/2012CN101159410B Method and apparatus for a control circuit responsive to an impedance coupled to a control circuit terminal
11/15/2012WO2012153836A1 Switching circuit and semiconductor module