Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
01/2009
01/22/2009CA2693109A1 Method and apparatus for anti-islanding of distributed power generation systems
01/21/2009EP2017948A2 Method and apparatus for converting a direct current to alternating current utilizing a plurality of inverters
01/21/2009EP1810394B1 Standard frequency converter for supplying energy in a discontinuous manner
01/21/2009CN201185500Y Power supply circuit for backlight module unit
01/21/2009CN201185397Y Quasi-square wave soft switch bidirectional variable flow circuit and converter applying the same
01/21/2009CN201185396Y Inverter circuit capable of outputting multiple output voltages
01/21/2009CN201185395Y Inverter circuit with two output voltages
01/21/2009CN201185389Y Three-phase controllable silicon phase shift trigger pulse control circuit
01/21/2009CN201185367Y T-shaped commutation socket
01/21/2009CN201184528Y Subway LED uninterrupted lighting lamp
01/21/2009CN201183160Y MOSFET inversion type arc welding machine
01/21/2009CN101351950A Switching control circuit
01/21/2009CN101351678A Household appliance
01/21/2009CN101350569A Topological structure for solar photovoltaic inverter
01/21/2009CN101350568A Double inverse stimulation inverter for diode clamp
01/21/2009CN101350567A Power conversion apparatus
01/21/2009CN101350564A Apparatus for implementing constant voltage and constant current
01/21/2009CN101350510A DC great current deicing apparatus with static state reactive compensation function
01/21/2009CN101348086A Pulsating direct current traction electric power supply system
01/21/2009CN100454745C Control of amplitude of AC voltage output produced by double-ended dc-ac converter circuitry
01/21/2009CN100454744C Microwave oven
01/21/2009CN100454743C Power converter and vehicle equipped with power converter
01/21/2009CN100454742C Large capacity titanium alloy pulse micro arc anode oxidation dynamic control power source
01/21/2009CN100454713C Power system and power converters
01/21/2009CN100454183C System linkage apparatus, setting apparatus for system linkage apparatus and method of setting set values of system linkage apparatus
01/20/2009US7480162 High efficiency two stage inverter
01/20/2009US7480161 Control apparatus for semiconductor power converter
01/20/2009US7480155 Digital generator of phase shift modulation
01/20/2009US7480128 Electronic control systems and methods
01/20/2009US7479774 High-performance solar photovoltaic (PV) energy conversion system
01/20/2009US7479757 System and method for a cooling system
01/17/2009CA2635577A1 Voltage regulator for magnetogenerators with configurable connection of the phase windings
01/15/2009WO2009009017A1 System and method for limiting input voltage to a power delivery system having regeneration capability
01/15/2009WO2009008741A1 Layered structure connection and assembly
01/15/2009WO2009008739A1 Drive circuit
01/15/2009WO2009008196A1 High voltage discharge lamp lighting device
01/15/2009WO2009007175A2 Electric motor commutator and method for driving an electric motor commutator
01/15/2009WO2005081384A3 Apparatus and method for regulating a clock frequency of a power converter
01/15/2009US20090016091 Circuit and system for ultrasonic power regulation
01/15/2009US20090016090 Synchronous Rectifier and Controller for Inductive Coupling
01/15/2009US20090016089 Electromechanical power transfer system with even phase number dynamoelectric machine and three level inverter
01/15/2009US20090016088 Semiconductor assembly
01/15/2009US20090016087 Switching power source
01/15/2009US20090016086 Secondary side constant voltage and constant current controller
01/15/2009US20090015314 High frequency excitation system
01/15/2009US20090015173 Electronic ballasts without toroidal-magnetic-core and fluorescent lamps employ the same
01/15/2009US20090015068 Apparatus for supplying power and liquid crystal display having the same
01/15/2009US20090013893 Non-lethal projectile systems
01/15/2009DE102007032808A1 Potenzialsteuerung bei Hochspannungsvorrichtungen Potential control at high voltage devices
01/15/2009DE102007032199A1 Two resonant circuit inverters operating method for inductively operated heating device, involves synchronizing frequency of controlling of resonant circuit inverters, where frequency of controlling is dynamically adjusted
01/15/2009DE102007030626A1 Control device operating method for electric drive, involves controlling converter unit such that motor is switched on to voltage during pulse width and is switched off to voltage during difference of cycle time and pulse width
01/15/2009DE102004038353B4 Ansteuerschaltung für einen Schalter in einem Schaltwandler und Schaltungsanordnung mit einem Schaltwandler und einer Last A drive circuit for a switch in a switching converter and circuit arrangement having a switching converter and a load
01/15/2009CA2691936A1 System and method for limiting input voltage to a power delivery system having regeneration capability
01/14/2009EP2015627A2 System and method for improved motor controller
01/14/2009EP2015439A2 Drive circuit and inverter for voltage driving type semiconductor device
01/14/2009EP2015438A2 Power supply
01/14/2009EP2015282A1 Driving circuit and display device
01/14/2009EP1787383B1 Convertible high voltage direct current installation
01/14/2009EP1284633B2 Dishwasher
01/14/2009EP1269600B1 Synchronous frame regulation to extract a positive sequence component of a line voltage
01/14/2009CN201181909Y Multipurpose power supply
01/14/2009CN201181899Y Stereo miniature type power supply
01/14/2009CN201181702Y Thin soldering type commutation bridge stack
01/14/2009CN101346875A Output signal generating device
01/14/2009CN101346874A Rotating electrical machine with decoupled phases
01/14/2009CN101346251A Hybrid automobile
01/14/2009CN101345491A Frequency conversion multi-phase voltage regulator and its control method
01/14/2009CN101345490A Control method for full-load input voltage equalizing of input-series-output-parallel combination converter
01/14/2009CN101345489A Current transformer for limiting reverse recovery current
01/14/2009CN101345488A AC-to-DC adapter for mobile system
01/14/2009CN101345487A Primary sampling current controlled synchronous commutation driving circuit
01/14/2009CN101345486A Power supply apparatus
01/14/2009CN101345483A Rail traction AC cophase supply apparatus based on three-phase series voltage source type symmetry transformation
01/14/2009CN101345472A Drive circuit and inverter for voltage driving type semiconductor device
01/14/2009CN101345469A Liquid cooling energy converting equipment
01/14/2009CN101345423A 5-power level H-bridge cascade connection back-to-back current transformer used for wind power generation system
01/14/2009CN101345419A Series voltage quality regulator and fast investment and cutting method
01/14/2009CN100452632C Power supplier with over-low-voltage protecting system and over-low-voltage protection
01/14/2009CN100452612C Uninterruptible power supply apparatus and power failure compensating system
01/13/2009US7477529 High-voltage power supply
01/13/2009CA2385562C Split inductor with fractional turn of each winding and pcb including same
01/13/2009CA2343329C Generator for arc welding machines
01/08/2009WO2009005560A2 Systems and methods for impedance stabilization
01/08/2009WO2009004979A1 Power conversion device
01/08/2009WO2009004943A1 Method of calculating electric power consumption saving effect in energy-saving drive support method, energy-saving drive support system, and calculation program for electric power consumption saving effect
01/08/2009WO2009004888A1 Inverter and method for detecting output voltage of the same
01/08/2009WO2009003834A2 Device for converting an electric current
01/08/2009WO2009003432A1 Inverter for feeding electrical energy into a power supply system
01/08/2009WO2009003250A1 Storing electrical energy (lightning or existing network)
01/08/2009US20090010035 Boost and up-down switching regulator with synchronous freewheeling MOSFET
01/08/2009US20090010034 Start signal detector circuit
01/08/2009US20090010033 Active diode
01/08/2009US20090010032 Power supply capable of reducing secondary-side noise
01/08/2009US20090010031 Zero-voltage-switching electric converter
01/08/2009US20090010030 Power supply circuit with feedback circuit
01/08/2009US20090009980 Capacitor with direct dc connection to substrate
01/08/2009US20090009918 High-voltage X-ray generator
01/08/2009US20090009146 Generating system with a regulated permanent magnet machine
01/08/2009DE102008025445A1 Vorrichtung, Systeme und Verfahren zum verringern von Verlusten eines Spannungszwischenkreisumrichters Apparatus, systems and methods for reducing losses of a voltage source inverter
01/08/2009DE102007031140A1 Vorrichtung zum Umrichten eines elektrischen Stromes A device for converting an electric current