Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
11/2008
11/27/2008DE102008019576A1 System und Verfahren zur Hybridmotorverstärkung System and method for hybrid motor gain
11/27/2008CA2691967A1 Photovoltaic module-mounted ac inverter
11/27/2008CA2686272A1 Distributed inverter and intelligent gateway
11/27/2008CA2684350A1 Multiple phase electric motor and drive
11/26/2008EP1995870A1 Earth-fault detecting method
11/26/2008EP1995863A2 Control methods for the synchronisation and phase shift of the pulse width modulation (pwm) strategy of power converters
11/26/2008EP1995862A1 Multiphase load control method
11/26/2008EP1995861A1 Inverter
11/26/2008EP1995860A2 Protective circuit and method for multi-level converter
11/26/2008EP1485983A4 Apparatus and method for filtering voltage for an electrostatic precipitator
11/26/2008EP1023765B1 Method and apparatus for reducing power loss in power conversion circuitry
11/26/2008CN201156711Y Driving type semi-bridge power supply equipment with secondary lateral
11/26/2008CN201156710Y Frequency overlapping control apparatus of semi-bridge/full-bridge circuit
11/26/2008CN201156709Y Electric power adapter and portable electronic apparatus
11/26/2008CN201156708Y Power adapter having active power factor correcting function
11/26/2008CN201156707Y Switching power supply of reverse excitation self-exciting converter circuit RCC
11/26/2008CN201156412Y Display backlight electric power inverter having automatic regulating and outputting function
11/26/2008CN201155429Y Low resistance vertical shaft wind power plant
11/26/2008CN101313462A Driving an inductive load
11/26/2008CN101313455A Method for operating a converter circuit, and device for carrying out the method
11/26/2008CN101312330A High voltage power source of resonant transformer
11/26/2008CN101311325A Two level inverter type MAO power source and output regulation control method thereof
11/26/2008CN100438321C Motor drive unit
11/26/2008CN100438320C Power converter
11/26/2008CN100438304C A soft switch reversion conversion circuit for the resonance DC step
11/26/2008CN100438303C Five-level double step-down full bridge inverter
11/26/2008CN100438302C PWM inverter device
11/26/2008CN100438301C Startup power supply of chain inverter for static synchronous compensator
11/26/2008CN100438300C Power supply detecting cirucit with power-saving under ready condition
11/26/2008CN100438299C Power supply having multi-vector error amplifier for power factor correction
11/26/2008CN100438294C Power-mode controlled power converter
11/26/2008CN100438291C Switching power source device
11/26/2008CN100438289C Voltage conversion device and computer-readable recording medium having program recorded thereon for computer to control voltage conversion by voltage conversion device
11/26/2008CN100438285C Power factor correcting circuit and method with frequency control
11/26/2008CN100438260C Control method of boosted circuit
11/26/2008CN100437409C Single-stage pfc + ballast control circuit/general purpose power converter
11/26/2008CN100436022C Generator for arc welder with high power factor
11/25/2008US7457141 AC adaptor
11/25/2008US7457140 Power converter with hysteretic control
11/25/2008US7457139 Power supply apparatus for arc-utilizing apparatuses
11/25/2008US7457136 Overcurrent protective device for switching element
11/25/2008US7456625 Electric circuit
11/25/2008US7456615 Charging arrangement for capacitor means
11/25/2008US7456531 Switching device, generator-motor apparatus using switching device, drive system including generator-motor apparatus, and computer-readable recording medium on which a program for directing computer to perform control of generator-motor apparatus is recorded
11/25/2008US7456523 Power generation system, and administration apparatus and administration method of power generation system
11/25/2008US7456519 Power conversion system
11/20/2008WO2008140613A1 High efficiency alternative/renewable powered ups system
11/20/2008WO2008139922A1 Power factor improving circuit, motor drive device, and air conditioner
11/20/2008WO2008139793A1 Voltage type inverter device, and its operating method
11/20/2008WO2008139518A1 Power conversion system
11/20/2008WO2008138864A1 Method and device for operating a control unit for controlling an electrical machine
11/20/2008WO2008138020A1 Method for controlling an inverter, and inverter
11/20/2008WO2008002566A9 High voltage power supply
11/20/2008US20080285321 DC-AC Converter and Method of Supplying AC Power
11/20/2008US20080285320 Alternating electric current generating process
11/20/2008US20080285318 Power Factor Correction Circuit
11/20/2008US20080285316 Ac/dc converter and ac/dc conversion method using the same
11/20/2008US20080285312 Phase Compensation Driving Scheme for Synchronous Rectifiers
11/20/2008US20080284385 High efficiency generator
11/20/2008US20080284367 Power Converter
11/20/2008DE102008018950A1 Verfahren und System zur Impulspositionsplanung bei Elektroantrieben Method and system for pulse position planning in electric drives
11/20/2008DE102007021368A1 Steuerverfahren Control method
11/19/2008EP1993197A2 AC/DC converter and AC/DC conversion method using the same
11/19/2008EP1993196A1 Power conversion device and method, and triangular wave generation circuit
11/19/2008EP1138108B1 Device for energizing a voltage-source converter
11/19/2008CN201153242Y Bias magnetic saturation resisting inverted full bridge topology circuit
11/19/2008CN201152233Y Device for utilizing wind power generation for producing hydrogen
11/19/2008CN101309542A Circuit for detecting current zero-crossing of voltage dropping inductor by voltage of the same
11/19/2008CN101309541A Low-frequency electronic rectifier for metal halogenate lamp
11/19/2008CN101309539A Ignition pulse generating circuit for electronic rectifier of metal halogenate lamp
11/19/2008CN101309529A Intelligent control apparatus and method for high-power energy saving electromagnetic stove
11/19/2008CN101309055A High-efficiency inversion input circuit of power supply converter for vehicle
11/19/2008CN101309054A Three-level double boost energy feedback PWM rectification circuit and control method thereof
11/19/2008CN101309053A Power supply apparatus and electronic device having the power supply apparatus
11/19/2008CN101309052A Double step-up/double step-down combined AC/AC converting circuit
11/19/2008CN101309047A Electric power conversion device
11/19/2008CN101309044A Three-phase controllable silicon phase shift trigger pulse control circuit
11/19/2008CN101309043A Power conversion device
11/19/2008CN101309019A High efficiency generator
11/19/2008CN101308392A Constant power output control circuit for communication power supply
11/19/2008CN101306653A Traction power supply equipment based on PWM rectifier and control method
11/19/2008CN100435470C Load drive device, vehicle, and abnormality processing method in load drive device
11/19/2008CN100435466C DC-AC converter parallel operation system and controller IC therefor
11/19/2008CN100435462C Voltage conversion device, voltage conversion method, and computer-readable recording medium containing program for causing computer to execute voltage conversion control
11/19/2008CN100435457C Method and circuit for power factor correction(PFC)
11/18/2008US7453711 Step-up power supply unit and portable apparatus utilizing the same
11/18/2008US7453695 Cooling structure of electric device
11/18/2008US7453216 Current resonance type inverter circuit and power controlling method
11/18/2008CA2466787C Stud welder
11/18/2008CA2280302C Low-resistance bipolar bridge circuit
11/13/2008WO2008137372A1 System and method for controlling harmonics injected onto an input line by a welding-type system
11/13/2008WO2008136978A1 Ripple cancellation
11/13/2008WO2008136977A1 Integral stack columns
11/13/2008WO2008136293A1 Power factor improving circuit
11/13/2008WO2008136212A1 Motor drive
11/13/2008WO2008136072A1 Inverter controller
11/13/2008WO2008135125A1 Pwm rectifier having target voltage corrector by zero system voltage for reducing switching losses and preventing noise generation
11/13/2008US20080278985 BI-DIRECTIONAL HEMT/GaN HALF-BRIDGE CIRCUIT
11/13/2008US20080278984 Automatic zero voltage switching mode controller
11/13/2008US20080278981 Switching control device