Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
09/2012
09/26/2012CN101702855B High-efficiency and low-consumption power supply circuit of power supply controller of LED illumination lamp
09/26/2012CN101662230B Non-contact multiple input voltage source type resonant converter
09/26/2012CN101652920B Power supply regenerative converter
09/26/2012CN101604910B Power factor correction circuit
09/26/2012CN101568216B Inverter circuit and liquid crystal display device
09/26/2012CN101534068B Power transducer
09/26/2012CN101501978B A cyclo-converter and methods of operation
09/26/2012CN101119071B Switching mode power supply (smps) device, image forming apparatus including the smps device, and method of driving the smps device
09/25/2012US8276006 System and method for controlling use of power in a computer system
09/25/2012US8276002 Power delivery in a heterogeneous 3-D stacked apparatus
09/25/2012US8274806 High voltage generator with multiple inductive couplings
09/25/2012US8274804 Voltage transforming apparatus
09/25/2012US8274029 Inverter with integrated control and regulation for a tracker
09/20/2012WO2012125590A2 Method and apparatus for controlling lcl converters using asymmetric voltage cancellation techniques
09/20/2012WO2012125278A2 Automatic voltage regulation for photovoltaic systems
09/20/2012WO2012124510A1 Charging method for snubber capacitor
09/20/2012WO2012124223A1 Power conversion control device and utility interconnection device
09/20/2012WO2012124073A1 Inverter overheat-protection control device and inverter overheat-protection control method
09/20/2012WO2012123559A2 Mains-coupled inverter, inverter arrangement and method for operating an inverter arrangement
09/20/2012WO2012123333A1 Soft-start method and apparatus for charging capacitors
09/20/2012WO2012122688A1 Valve current control method based on modular multi-level converter
09/20/2012WO2012038186A3 System for charging an energy store, and method for operating the charging system
09/20/2012WO2012038174A3 Method for setting a desired output voltage in a power supply branch of a controllable energy store
09/20/2012WO2012016062A3 Multi-leveled voltage drive for electric machine phase shifted winding sets
09/20/2012US20120236617 Power converter
09/20/2012US20120236616 Inverter capable of providing reactive power
09/20/2012US20120236615 Converter
09/20/2012US20120236614 High voltage inverter device
09/20/2012US20120236613 Electronic device
09/20/2012US20120236612 Switching power supply apparatus
09/20/2012US20120236611 Power line current fed power supplies producing stable load currents and related methods
09/20/2012US20120236610 Resonant converter apparatus and method thereof
09/20/2012US20120236607 Unified Control of Single and Three-Phase Power Converters
09/20/2012US20120236481 Cylindrical electrode series - parallel tapered high voltage multiplier
09/20/2012US20120235630 Charging system with adaptive power management
09/20/2012US20120235498 Automatic voltage regulation for photovoltaic systems
09/20/2012DE112009004565T5 Umwandlungssystem für elektrische leistung mit einem anpassbaren transformatorwindungsverhältnis für verbesserte effizienz Conversion system for electric power with an adjustable transformer turns for improved efficiency
09/20/2012DE102012203963A1 Hochspannungs-Invertervorrichtung High voltage inverter device
09/20/2012DE102012203684A1 Umrichtervorrichtung für eine rotierende elektrische Maschine und Antriebsverfahren für eine rotierende elektrische Maschine Inverter apparatus for an electric rotary machine and driving method for a rotating electric machine
09/20/2012DE102012102209A1 Netzgekoppelter Wechselrichter, Wechselrichteranordnung und Betriebsverfahren für eine Wechselrichteranordnung Grid-connected inverter, inverter assembly and operating procedures for an inverter arrangement
09/20/2012CA2829166A1 Grid-connected inverter, inverter arrangement and method for operating an inverter arrangement
09/19/2012EP2501034A1 Motor control device and electric power steering device using same
09/19/2012EP2501030A2 Inverter controller and refrigerating and air-conditioning unit
09/19/2012EP2501027A1 Switching power supply circuit
09/19/2012EP2499733A2 Multi-level, multi-voltage matrix converter circuit and method for implementing such a circuit
09/19/2012EP2499730A2 Inverter with voltage clamping device
09/19/2012EP2499729A2 Inverter with voltage clamping device
09/19/2012EP2499727A2 Power switch arrangement for an inverter
09/19/2012CN202444441U High-efficiency adapter
09/19/2012CN202444440U Bridgeless inverter circuit and solar bridgeless inverter
09/19/2012CN202444439U Direct current voltage stabilizing circuit for electric energy meter
09/19/2012CN202444438U Duplex controllable rectifying device
09/19/2012CN202444437U Auxiliary power supply control chip power supply device
09/19/2012CN202444436U Mutual inductance electricity taking device for high voltage transmission conductor
09/19/2012CN202444435U Switching type power supply device with low electromagnetic interference
09/19/2012CN202444434U Three-phase rectifier bridge
09/19/2012CN202444433U Control circuit power supply system of high voltage frequency converter and high voltage frequency converter
09/19/2012CN202444432U Double-alternating-current power supply device
09/19/2012CN202444431U Connection structure of electric conducting busbars of rectifying device
09/19/2012CN202444430U Photovoltaic grid-connected inverter and power module for same
09/19/2012CN202444429U Circuit structure for wind power converter
09/19/2012CN202444421U Boost transformation circuit and solar energy inverter
09/19/2012CN202444289U Energy storage converter
09/19/2012CN202443969U Line plate type three-phase rectification bridge
09/19/2012CN102687384A Ac/dc converter circuit
09/19/2012CN102687379A Power switch arrangement for an inverter
09/19/2012CN102685957A Circuit system of variable-frequency microwave oven
09/19/2012CN102684579A Motor drive system for direct main drive of weaving machine
09/19/2012CN102684544A Maximum power point tracking controller for three-phase photovoltaic power generation system
09/19/2012CN102684543A 350W small power modular H inverter bridge cascade stage solar inverter system
09/19/2012CN102684542A Method for generating three-phase pulse width modulation (PWM) by adopting quasi-sinusoidal flat modulating wave
09/19/2012CN102684541A Inverter controller and refrigerating and air-conditioning unit
09/19/2012CN102684540A Systems and methods for monitoring current in an electric motor
09/19/2012CN102684539A Inverter device of rotating electrical machine, and driving method for rotating electrical machine
09/19/2012CN102684538A Field emergency arc welding power source
09/19/2012CN102684537A Maximal power point tracking control method for single-phase single-stage photovoltaic inverter
09/19/2012CN102684536A Power unit dead-time compensation method for high-voltage frequency changing speed controller
09/19/2012CN102684535A PWM (pulse-width modulation) method implemented by using fixed modulation ratio
09/19/2012CN102684534A High-capacity superconducting energy storage transducer provided with H-bridge current transformer
09/19/2012CN102684533A Neutral point voltage control method for neutral point clamped (NPC) type three-level inverter based on carrier amplitude shift
09/19/2012CN102684532A Three-level inverter
09/19/2012CN102684531A Zero-dead-zone cascade H-bridge type multi-level inverter and control method
09/19/2012CN102684530A Method for controlling transformerless inverter with reactive power compensation function
09/19/2012CN102684529A SVPWM (Space Vector Pulse Width Modulation) method
09/19/2012CN102684528A Self-adaptive dead-zone compensation method based on intelligent unit series high-voltage frequency converter
09/19/2012CN102684527A Small-power emergency alternating-current power supply
09/19/2012CN102684526A Power converter
09/19/2012CN102684525A Inverter circuit and control method for same
09/19/2012CN102684524A High-efficiency inversion device
09/19/2012CN102684523A Solar photovoltaic inverter topology circuit
09/19/2012CN102684522A Non-isolated photovoltaic grid-connected inverter and control method thereof
09/19/2012CN102684521A Inverter control system
09/19/2012CN102684520A Intelligent off-grid photovoltaic inverter based on DSP (Digital Signal Processor) technology
09/19/2012CN102684519A Circuit and control method thereof
09/19/2012CN102684518A High-frequency redundancy PWM (pulse-width modulation) rectifier device and method based on instantaneous current feedforward control
09/19/2012CN102684517A Switch power supply with high power factor and controller of switch power supply
09/19/2012CN102684516A Alternating current driven PFC (power factor correction) changing circuit for LED white-light illumination
09/19/2012CN102684515A Power conversion apparatus and power conversion method thereof
09/19/2012CN102684514A Energy feedback type traction power supply device
09/19/2012CN102684513A Uninterruptible power supply and rectifying circuit of uninterruptible power supply