Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
06/2007
06/27/2007CN1988348A PWM combined three level DC converter for zero voltage current switch
06/27/2007CN1988338A Medium power low voltage frequency converter based on insulation grating bipolar transistor
06/27/2007CN1988305A Method in frequency converter, and frequency converter
06/27/2007CN1323484C Matrix converter for converting electric energy
06/26/2007US7236384 Frequency feedforward for constant light output in backlight inverters
06/26/2007US7236383 Detection of the zero crossing of an A.C. voltage
06/26/2007US7236382 Inverter module having encapsulated resistors
06/26/2007US7236380 Rectifier system having different rectifier elements
06/26/2007US7236377 DC-AC converter and controller IC therefor
06/26/2007US7236375 DC/AC converter and its controller IC
06/26/2007US7235931 Discharge lamp lighting apparatus for lighting multiple discharge lamps
06/26/2007US7235899 Switching constant-current power supply system
06/26/2007US7235891 Power system having generator driven by engine
06/26/2007US7235759 Method and apparatus for receiving a universal input voltage in a welding, plasma or heating power source
06/21/2007WO2007070815A2 Method and apparatus for controlling voltage linearity of voltage source inverters
06/21/2007WO2007069779A1 Motor driving device and car provided with the same
06/21/2007WO2007069580A1 Inverter
06/21/2007WO2007069556A1 High-frequency modulation/demodulation multiphase rectifying device
06/21/2007WO2007069530A1 Power converter
06/21/2007WO2007069413A1 Control device and corresponding control method for a boost converter in a motor drive system
06/21/2007WO2007069403A1 Composite transformer and insulated switching power supply
06/21/2007WO2007069314A1 Power converting apparatus
06/21/2007WO2007069055A1 Voltage conversion device
06/21/2007WO2007068532A1 Converter system comprising converter modules that can be plugged together
06/21/2007US20070139986 Signal isolator linear receiver
06/21/2007US20070139985 Current fault detector and circuit interrupter and packaging thereof
06/21/2007US20070139984 Resonant conversion control method and device with a very low standby power consumption
06/21/2007US20070139978 Current supply circuit, polyphase drive circuit, method of designing current supply circuit
06/21/2007US20070139970 Method and apparatus for space vector modulation in multi-level inverters
06/21/2007DE10152930B4 Stromrichter und Signalpegelumsetzer Converter and signal level converter
06/20/2007EP1798846A1 Electrical apparatus with battery compartement and power supply
06/20/2007EP1798845A1 Multi-output switched-mode power supply
06/20/2007EP1798798A1 Power supply control apparatus and method for line connection type fuel cell system
06/20/2007EP1798797A1 Power supply apparatus and method for line connection type fuel cell system
06/20/2007EP1797633A1 Motor drive control
06/20/2007EP1797439A1 Method for determining zero crossing in a converter
06/20/2007CN2914484Y Ultrasonic Doppler switch power supply input controller
06/20/2007CN1985434A Quenching device for a converter bridge of reverse feeding
06/20/2007CN1985431A Method and apparatus for driving a power MOS device as a synchronous rectifier
06/20/2007CN1985426A 驱动装置 Drive
06/20/2007CN1985423A Bi-directional energy conversion system
06/20/2007CN1984518A Low-voltage power supply circuit for illumination, and low-voltage power supply output method and illumination device
06/20/2007CN1983790A Neutral point voltage controller
06/20/2007CN1983789A 逆变器 Inverter
06/20/2007CN1983788A Electric converter structure without transformer
06/20/2007CN1983787A DC/AC conversion driving circuit
06/20/2007CN1983786A Device for eliminating loop in inverter parallel running system
06/20/2007CN1983785A Controller of exciting power-supply net sided converter for double-feedback speed-variable frequency-constant wind-driven generator
06/20/2007CN1983783A Voltage reflecting method and device for measuring voltage transformer
06/20/2007CN1983779A Optically powered drive circuit and method for controlling a semiconductor switch
06/20/2007CN1322661C Auxiliary output voltage control circuit of feedback power convertor prossessing magnetic amplifier
06/20/2007CN1322660C Switch PWM convertor working at zero voltage and zero current of full bridge
06/20/2007CN1322382C Device for controlling printing machine power supply and its method
06/19/2007US7233510 Circuit configuration with error feedback for the actuation of power semiconductor switches and associated method
06/19/2007US7233506 Low kVA/kW transformers for AC to DC multipulse converters
06/19/2007US7233465 Ground fault detection system and method for inverter
06/19/2007US7233081 Power-supply device
06/14/2007WO2007066566A1 Power converter
06/14/2007US20070135970 System and method for providing reactive power support with distributed energy resource inverter
06/14/2007US20070135037 Method for operating a frequency converter circuit
06/14/2007US20070133242 Method and apparatus for controlling voltage linearity of voltage source inverters
06/14/2007US20070133241 Power supply circuits
06/14/2007US20070133240 Power converter with digital signal processor
06/14/2007US20070133238 Power sourcing equipment having bipolar junction transistor for controlling power supply and supporting AC disconnect-detection function
06/14/2007US20070133237 Power converter
06/14/2007US20070132406 Cold-cathode tube lighting device for use in a plurality of cold-cathode tubes lit by two low-impedance power sources
06/14/2007DE102005059178A1 Power supply for e.g. power tool, has voltage source for supplying direct voltage to micro controller, and internal port-protection diodes that are used as rectifier elements and are arranged at input and/or output of controller
06/13/2007EP1796440A2 Inverter circuit, fluorescent tube lighting apparatus, backlight apparatus, and liquid crystal display
06/13/2007EP1796439A2 Inverter circuit, fluorescent tube lighting apparatus, backlight apparatus, and liquid crystal display
06/13/2007EP1796262A1 Control apparatus for electric vehicles
06/13/2007EP1796261A1 Control apparatus for electric vehicles
06/13/2007EP1796253A2 Voltage conversion device and computer-readable recording medium with program recorded thereon for computer to execute control of voltage conversion by voltage conversion device
06/13/2007EP1796241A2 Power controlling apparatus for fuel cell system and method thereof
06/13/2007EP1795500A1 N-phase ozone generator apparatus
06/13/2007EP1794874A1 Bipolar power supply with lossless snubber
06/13/2007EP1794873A1 Voltage source converter
06/13/2007EP1794431A1 Device and method for triggering a piezo actuator
06/13/2007CN2912107Y All-bridge conversion control circuit
06/13/2007CN2912106Y Multipurpose inversing power supply for autocar
06/13/2007CN2912105Y Full automatic wind power coordinating power source
06/13/2007CN2912104Y Improved rectifying board
06/13/2007CN2912103Y Powersource converter of action information processing unit
06/13/2007CN1981426A Power supply
06/13/2007CN1980035A PWM rectifying system based on IGCT and its working method
06/13/2007CN1980034A Switch-over type power change-over circuit switable to wide-range and high-voltage input
06/13/2007CN1980033A DC./ac. convertion driving circuit
06/13/2007CN1980018A Dc-to-ac converter circuit with current inhibiting function
06/12/2007US7230837 Method and circuit for cascaded pulse width modulation
06/12/2007US7230488 Amplifying circuit, noise reducing apparatus and power converting apparatus
06/12/2007US7230399 Vehicular generator-motor system
06/12/2007US7230353 Charging circuit in uninterruptible power supply system
06/12/2007US7230219 Inverter power source control for high frequency heater
06/07/2007WO2007008494A3 Maximized battery run-time in a parallel ups system
06/07/2007WO2006138008A3 Proximity sensor for controlling light switches and other devices
06/07/2007WO2006105247A3 Bridgeless boost converter with pfc circuit
06/07/2007WO2006027744A3 Primary paralleled three-phase full-bridge dc-dc converter
06/06/2007EP1793485A2 Pulse width modulation method
06/06/2007EP1792390A1 Power converter
06/06/2007EP1792389A1 Circuit for the sinusoidal regulation of the electrical power supplied to a load
06/06/2007EP1792388A1 Method for operating an inverted rectifier and arrangement for carrying out the method