Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
09/2009
09/09/2009CN101527514A Direct current power supply
09/09/2009CN101527513A Direct current power supply
09/09/2009CN101527507A Energy feedback power load circuit of alternating current-direct current shifting conversion unit and method thereof
09/09/2009CN101527504A Multilevel T-type converter power factor control method
09/09/2009CN101527462A Digital control device of converter
09/09/2009CN101527303A Power converter
09/09/2009CN100539382C Inverter, and light-emitting device and image display device using the same, power source device
09/09/2009CN100539381C Grid-Connected Power inverter and control method of output current
09/09/2009CN100539380C DC-AC converter, its controller IC, and electronic apparatus using the DC-AC converter
09/09/2009CN100539379C Resonant inverter including feed back circuit with source of variable bias current
09/09/2009CN100539378C Inverter circuit free from power-source-voltage fluctuation
09/09/2009CN100539377C Switching power supply circuit
09/08/2009US7586770 Interconnection inverter device
09/08/2009US7586769 Power converters having balanced power rail currents
09/08/2009US7586768 Electric power conversion apparatus for plural DC voltage sources and an AC electrical load
09/08/2009US7586766 Plasma arc power supply and control method for same
09/08/2009CA2424017C Method and apparatus for reducing switching losses in a switching circuit
09/03/2009WO2009108152A1 Method and apparatus for converting ac power to dc power
09/03/2009WO2009107461A1 Direct ac power converter
09/03/2009WO2009107264A1 Integrated electric compressor
09/03/2009WO2009106673A1 Power supply arrangement
09/03/2009WO2009106631A1 Transformer based voltage combiner with inductive shunt
09/03/2009WO2009106508A1 H-bridge circuit and method for operating such circuit
09/03/2009WO2009106014A1 A multi-state switch and a converter employing the multi-state switch
09/03/2009WO2009088661A8 System, method and apparatus for providing direct current
09/03/2009US20090219738 Power supply device, in particular for redundant operation with a plurality of further power supply devices connected in parallel on the output side
09/03/2009DE102008027887A1 Method for controlling energy feed for multiple single-phase inverters in multi-phase network, involves determining which single-phase inverter feeds which phase of multi-phase network
09/03/2009DE102007056945A1 Polarity-reversal tolerance circuit for matching polarity of electrical voltages, particularly of direct current voltages, has four field-effect transistors that are arranged between two input connections and two output connection
09/03/2009DE102006010993B4 Schaltung und Verfahren zum Betrieb der Schaltung sowie Schaltnetzteil Circuit and method of operating the switching power supply circuit, and
09/02/2009EP2096751A1 Electric motor car control apparatus
09/02/2009EP2096363A2 Method for operating a solar energy system
09/02/2009EP1961103B1 Voltage conversion device
09/02/2009EP1490957A4 Line frequency switching regulator
09/02/2009CN201303292Y Multi-output power supply device
09/02/2009CN101523714A Data interchange between inverters in an inverter system
09/02/2009CN101523713A Power supply for induction heating
09/02/2009CN101523712A Power converter
09/02/2009CN101521483A Motor driver
09/02/2009CN101521474A Method for driving an inverter device
09/02/2009CN101521473A Power inverter
09/02/2009CN101521472A Precharge control circuit for transducer
09/02/2009CN101521471A Novel method for equalizing voltage of series transformers, and application thereof
09/02/2009CN101521470A Power supply method and power supply system for rubber-tyred container gantry crane
09/02/2009CN101521469A Power supply circuit, module using same, motor drive apparatus and air conditioner
09/02/2009CN101521468A High-frequency three-phase medium-voltage power supply rectifier
09/02/2009CN101521464A Bridge type mixing rectification circuit
09/02/2009CN101521463A A synchronous rectifying circuit for flexible switching power converter
09/02/2009CN101521457A Multi-state switch and converter using the multi-state switch
09/02/2009CN101521455A Device and control circuit of an electronic power component, associated control method and distributor
09/02/2009CN101521411A 能量系统 Energy Systems
09/02/2009CN101521394A Online uninterrupted power supply
09/02/2009CN101521393A On-line uninterrupted power supply device
09/02/2009CN101521392A Off-line uninterrupted power supply device
09/02/2009CN101521391A Off-line uninterrupted power supply device
09/02/2009CN101520169A Cold light source lighting device
09/02/2009CN101519837A Movable sewing machine
09/02/2009CN100536632C Discharge lamp igniting apparatus and lighting apparatus equipped with same
09/02/2009CN100536309C Switching power supply device and switching method
09/02/2009CN100536307C Voltage generating circuit
09/02/2009CN100536306C Wide region input and continuously adjustable non-bridge Buck-Boost PFC converter
09/01/2009US7583523 Three phase inverter control circuit detecting two phase currents and deducting or adding identical ON periods
09/01/2009US7583519 Switch mode power supply systems
09/01/2009US7583109 Apparatus and methods for monitoring parallel-connected power switching devices responsive to drive circuit parameters
09/01/2009US7582979 Electric power supply system
09/01/2009CA2563273C Electric car control apparatus
08/2009
08/27/2009WO2009104535A1 Drive circuit for inductive load
08/27/2009WO2009104491A1 Hybrid drive device
08/27/2009WO2009104349A1 Ac/ac conversion power supply device
08/27/2009WO2009104301A1 Drive device control unit
08/27/2009WO2009104277A1 Magnetic energy regenerating switch having protecting circuit
08/27/2009WO2009103698A1 Single stage high-voltage power supply with high yield and low network distortion
08/27/2009WO2009103201A1 Method and apparatus of providing synchronous regulation circuit for offline power converter
08/27/2009US20090213631 Step-down switching regulator
08/27/2009US20090213630 Current-transformed power source connecting circuit device
08/27/2009US20090213629 Powering circuit of ac-dc converter
08/27/2009US20090213628 Offline synchronous rectifying circuit with current transformer for soft switching power converters
08/27/2009US20090213627 Power supply system with adaptive blown fuse detection using negative sequence component
08/27/2009US20090213626 Switching controller capable of reducing acoustic noise for power converters
08/27/2009US20090213625 High voltage generation systems and methods
08/27/2009US20090213623 Method and apparatus of providing synchronous regulation circuit for offline power converter
08/27/2009US20090212750 Method for operating an inverter having a step-up device connected upstream
08/27/2009DE112007002435T5 Kühlstruktur für Wärme erzeugendes Bauteil und Antriebseinheit, die diese enthält A cooling structure for heat-generating member and drive unit which contains these
08/27/2009DE112006004105T5 Invertereinrichtung Inverter means
08/27/2009CA2716325A1 Photovoltaic ladder inverter
08/26/2009EP2093875A1 Method for operating an inverter controller and device for carrying out the method
08/26/2009EP2093873A2 AC-DC converter
08/26/2009EP2092643A1 Member for a synchronous rectifier bridge, related synchronous rectifier bridge and use thereof
08/26/2009EP2092631A2 Removable component cartridge for increasing reliability in power harvesting systems
08/26/2009EP2092622A1 Rectifier with short circuit current limiting
08/26/2009EP1459434B1 Circuit arrangement for operating an electrical machine
08/26/2009EP1305874B1 Modular power converter
08/26/2009CN201298814Y LED high power illumination power adapter
08/26/2009CN201298813Y Switching power circuit of special type sewing machine
08/26/2009CN201298810Y Electrification sequence control circuit of chip voltages
08/26/2009CN201298711Y Residence power distribution system with ultralow voltage
08/26/2009CN201297840Y A medium frequency induction furnace
08/26/2009CN201295812Y Automatic all-position welding inverter power supply of embedded digital control tube plate
08/26/2009CN101518158A Circuit for powering a high intensity discharge lamp
08/26/2009CN101517881A Inverter apparatus
08/26/2009CN101517880A Air conditioning apparatus