Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
10/2012
10/03/2012CN102710158A Inverter device
10/03/2012CN102710157A Power factor correction boost converter and switching frequency modulation method thereof
10/03/2012CN102710156A Input-stage circuit for intelligent transformer
10/03/2012CN102710155A Capacitor ballast type direct current power supply circuit for draught fan
10/03/2012CN102710154A Four-quadrant multilevel current-source converter with main circuit based on thyristor
10/03/2012CN102710153A Modeling method of single-phase bridge-type three-level rectifier
10/03/2012CN102710152A High-efficiency quick-response alternating current-direct current voltage conversion circuit
10/03/2012CN102710151A Inherent safety switch power supply for mine
10/03/2012CN102710150A Synchronous rectification device and synchronous rectification power supply
10/03/2012CN102710149A Anti-surging switching power supply and corresponding light emitting diode (LED) driving circuit
10/03/2012CN102710148A Alternating current-direct current (AC-DC) switching power supply converter
10/03/2012CN102710147A Water-cooling high-frequency rectification device
10/03/2012CN102710133A Seven-level circuit, a grid-connected inverter and modulation method and device of seven-level circuit
10/03/2012CN102709994A Charge-discharge two-way power converter for battery for electric car
10/03/2012CN102709950A Large-capacity inversion grid-connected device
10/03/2012CN102709936A Multi-level photovoltaic grid-connected inverter with isolation transformer
10/03/2012CN102709904A Electric control and supply system
10/03/2012CN102708740A Manual input ocular demonstration bridge chopping and inverting experimental circuit
10/03/2012CN102707107A Portable adjustable direct current voltage source for test of frequency changer
10/03/2012CN102075108B Capacitance current feedforward control method for grid-connected inverter with LCL filter
10/03/2012CN102063638B Rectification circuit for radio frequency electronic tags
10/03/2012CN102052206B Energy saver of automobile engine
10/03/2012CN101958654B Communication system of alternating-current network
10/03/2012CN101932170B Circuit and method for driving a load, electric system and controller
10/03/2012CN101924484B Grid-control bridge rectifier with surge current limiter
10/03/2012CN101924480B Constant-current power supply circuit
10/03/2012CN101901806B AC-DC conversion integrated element and integrated circuit using same
10/03/2012CN101854116B Power factor correcting device and controller and THD (Total Harmonic Distortion) attenuator used therein
10/03/2012CN101702858B LED power supply
10/03/2012CN101683827B Control module for dynamic operation of a power inverter using an application specific integrated circuit
10/03/2012CN101546960B Power source apparatus
10/03/2012CN101521470B Power supply method and power supply system for rubber-tyred container gantry crane
10/03/2012CN101505568B LED light modulating apparatus suitable for light modulator
10/03/2012CN101432957B Power converting apparatus
10/03/2012CN101427452B Power inverter control device for switching point determination
10/03/2012CN101375488B Method and apparatus for controlling voltage linearity of voltage source inverters
10/03/2012CN101087108B A power unit bypass machine of high-voltage frequency conversion and speed-adjusting device
10/02/2012US8279649 Apparatus and method for controlling a power inverter
10/02/2012US8279648 Power inverter and method
10/02/2012US8279647 Universal three phase controllers for power converters
10/02/2012US8279645 Synchronizing frequency and phase of multiple variable frequency power converters
10/02/2012US8279637 Generating drive signals for a synchronous rectification switch of a flyback converter
10/02/2012US8278892 Converter comprising at least one normally on semiconductor switch
10/02/2012CA2562076C Inverter bridge short-circuit protection scheme
10/02/2012CA2526713C Frequency controlled resonant converter
09/2012
09/28/2012CA2772274A1 Circuits for dc energy stores
09/27/2012WO2012128285A1 Battery system
09/27/2012WO2012127910A1 Distributed power supply system
09/27/2012WO2012127842A1 Power conversion device
09/27/2012WO2012127209A2 Solar photovoltaic inverters
09/27/2012WO2012127208A2 Solar photovoltaic power conditioning units
09/27/2012WO2012127170A1 Simplified control method for a three-phase ac-dc converter
09/27/2012WO2012126160A1 Voltage balancing control method for modular multilevel converter
09/27/2012US20120243282 Converter for high voltages
09/27/2012US20120243281 Power semiconductor device
09/27/2012US20120243280 Inverter for converting a direct current voltage into an alternating current voltage and method thereof
09/27/2012US20120243279 Buck Converter and Inverter Comprising the same
09/27/2012US20120243278 Power Module and Circuit Board Assembly Thereof
09/27/2012US20120243277 Method and apparatus to reduce line current harmonics from a power supply
09/27/2012US20120243276 Control circuit for controlling power conversion circuit, inverter apparatus including the control circuit, and interconnection inverter system including the inverter apparatus
09/27/2012US20120243275 Switch control circuit, switch control method, power converter, and power conversion method for controlling conducting statuses of switch elements in bridgeless switching circuit
09/27/2012US20120243274 Control Methods for Parallel-Connected Power Converters
09/27/2012US20120243273 Multi-level, multi-voltage matrix converter circuit and method for implementing such a circuit
09/27/2012US20120242267 Device for controlling a plurality of electrical consumers
09/27/2012US20120242168 Power-over-ethernet relay system, power injector and access bridge device
09/27/2012DE102012003723A1 Wandler zum Umwandeln einer Gleichspannung in eine Wechselspannung und Verfahren hierzu Converter for converting a DC voltage into an AC voltage and procedures for this purpose
09/27/2012DE102011080334A1 Stromwechselrichter und elektrische Servolenkungssteuervorrichtung Power inverters and electric power steering control apparatus
09/27/2012CA2830041A1 Simplified control method for a three-phase ac-dc converter
09/26/2012EP2503680A2 Control circuit for controlling power conversion circuit, inverter apparatus including the control circuit, and interconnection inverter system including inverter apparatus
09/26/2012EP2502340A1 Converter and submodule of a converter for charging or discharging an energy store
09/26/2012CN202455287U Inverter circuit of liquid crystal display of medical X-ray machine
09/26/2012CN202455286U Photovoltaic grid-connected inverter
09/26/2012CN202455285U Photovoltaic grid-connected inverter control system
09/26/2012CN202455284U Novel voltage adjusting device
09/26/2012CN202455283U Compound electronic filtering stabilized-voltage power supply
09/26/2012CN202455282U Multi-output power supply with auxiliary output voltage stabilizing circuit
09/26/2012CN202455281U Constant-power output power supply device for measuring and controlling front-end power
09/26/2012CN202455280U Rectifier cabinet
09/26/2012CN202455279U Power converter for converting alternating current into direct current
09/26/2012CN202455254U Switching power supply and lightning surge protection circuit applied same
09/26/2012CN202454556U Stacked chip packaging structure, synchronous rectification module and converter module
09/26/2012CN1667458B Liquid crystal display system with lamp feedback
09/26/2012CN102696169A AC-DC converter and method of controlling same
09/26/2012CN102694501A Motor driving circuit and motor driving system
09/26/2012CN102694500A Rotating speed searching device for frequency changer and induction motor of frequency changer
09/26/2012CN102694481A Control circuit, inverter apparatus, and interconnection inverter system
09/26/2012CN102694480A Traction converter of straddle type monorail train
09/26/2012CN102694479A Power electronic circuit
09/26/2012CN102694478A Inverter for converting a direct current voltage into an alternating current voltage and method thereof
09/26/2012CN102694477A High-voltage alternating current power supply, low-voltage alternating current power supply and low-voltage direct current power supply common-base circuit
09/26/2012CN102694476A switch control circuit applied in bridgeless switching circuit, and control method thereof
09/26/2012CN102694475A Automatic current-sharing DC ice melting device with parallelly-connected rectifier bridges
09/26/2012CN102694474A Power supply apparatus generating electrostatic field
09/26/2012CN102694473A Power supply system
09/26/2012CN102694388A Bidirectional converter control device
09/26/2012CN102693966A 电力用半导体装置以及逆变器装置 A power semiconductor device and an inverter device
09/26/2012CN102255545B Two-phase inverted power system and comprehensive control method
09/26/2012CN101976850B Direct-current side control method for midline arm control model of four bridge arm photovoltaic inverter
09/26/2012CN101895216B State switching circuit of wide-voltage switch
09/26/2012CN101860253B Control system of cascaded high-voltage inverter and method thereof