Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
06/2011
06/08/2011CN1917344B Method of forming a start-up device and structure therefor
06/08/2011CN102089963A Circuit arrangement for an electric drive
06/08/2011CN102088271A Sensor-less sine DC (direct current) variable frequency current sampling method
06/08/2011CN102088252A Inverter without transformer realized by switched capacitor and applications of inverter
06/08/2011CN102088251A Control device and switching power supply
06/08/2011CN102088250A Current-source power converter using normally-on field effect transistors
06/08/2011CN102088249A Unbalanced voltage compensation method, unbalanced voltage compensator, three-phase converter control method, and controller of three-phase converter
06/08/2011CN102088248A Intrinsically safe power supply with high output power
06/08/2011CN102088247A Method for controlling alternating current side current of single-phase rectifier through capacitor voltage
06/08/2011CN101622708B Semiconductor module and inverter apparatus
06/08/2011CN101478153B Pilot type control circuit
06/08/2011CN101409512B Multi-level rectifying T-shaped converter topological structure
06/08/2011CN101355310B Frequency-converting circuit
06/08/2011CN101340159B Topology structure of multi-level T type converter capable of realizing rectification and inversion
06/08/2011CN101299590B Anti-windup control for a current regulator of a pulse width modulation inverter
06/07/2011US7957168 Inverter
06/07/2011US7957167 Semiconductor element drive device with level shift circuit and apparatus including the same
06/07/2011US7957164 Power device for supplying AC voltage to a load having a discharge part
06/07/2011US7956593 Power generation circuit using electromagnetic wave
06/07/2011US7956562 Motor and motor drive system
06/07/2011US7954334 Inverter system and vehicle
06/03/2011WO2011066121A1 Reducing photovoltaic array voltage during inverter re-enablement
06/03/2011WO2011065370A1 Device for applying high voltage using pulse voltage, and method of applying high voltage
06/03/2011WO2011065278A1 Grid connection apparatus
06/03/2011WO2011065255A1 Non-contact power transmission apparatus
06/03/2011WO2011065254A1 Non-contact power transmission apparatus
06/03/2011WO2011065253A1 Power conversion device
06/03/2011WO2011065074A1 Cooling system for electric vehicle
06/03/2011WO2011065005A1 Bus-bar assembly and power conversion apparatus
06/03/2011WO2011064970A1 Load drive system, electric motor drive system and vehicle control system
06/03/2011WO2011064024A1 Circuit device and power circuit having the circuit device
06/03/2011WO2011063685A1 Totem-pole bridgeless circuit system and current sampling device
06/03/2011WO2011012689A3 A high-voltage frequency conversion device
06/03/2011WO2011007073A3 Rectifier bridge for a polyphase alternator, and polyphase alternator including such a bridge
06/03/2011CA2780764A1 Reducing photovoltaic array voltage during inverter re-enablement
06/03/2011CA2777582A1 Non-contact power transmission apparatus
06/03/2011CA2774693A1 Device for applying high voltage using pulse voltage, and method of applying high voltage
06/03/2011CA2723123A1 Pre-charge circuit for ac/dc converter
06/02/2011US20110128763 Power converting apparatus
06/02/2011US20110128760 Apparatus and method for dc/ac systems to ride through grid transients
06/02/2011US20110127982 Voltage clamp circuit, a switching power supply device, a semiconductor integrated circuit device, and a voltage level conversion circuit
06/02/2011US20110127925 Triac dimmer compatible wled driving circuit and method thereof
06/02/2011US20110127338 Rectifier circuit, power supply circuit, and semiconductor device
06/01/2011EP2328392A2 Converter, in particular multi-phase alternating current converter
06/01/2011EP2328391A2 Converter
06/01/2011EP2328390A2 Converter with a cooling unit
06/01/2011EP2328265A1 Inverter device
06/01/2011EP2328262A2 Apparatus And Method For DC/AC Systems To Ride Through Grid Transients
06/01/2011EP2327145A1 Separating circuit for inverters
06/01/2011CN201854491U Metal halogen lamp electronic ballast
06/01/2011CN201854202U High-power MOS (metal oxide semiconductor) transistor driving device of electric bicycle controller
06/01/2011CN201854201U Direct current high-voltage power supply for electrical prospecting
06/01/2011CN201854200U High-efficiency DC converter
06/01/2011CN201854199U Energy feedback buffer circuit of power supply
06/01/2011CN201854198U Multipath monolithic alternating-current and direct-current switching power supply
06/01/2011CN201854197U Complementary synchronous rectifying and filtering power supply for high-fidelity audio-frequency amplifier
06/01/2011CN201854196U Simple transformer substation DC (direct current) operation power supply
06/01/2011CN201854195U Precise rectification circuit for weak signals
06/01/2011CN201854194U Remanence absorption circuit device for screwdown contracting brake
06/01/2011CN201854193U High-frequency switch power supply
06/01/2011CN102084586A A voltage source converter
06/01/2011CN102084585A An arrangement for voltage conversion
06/01/2011CN102084584A Method and system for providing maximum power point tracking in an energy generating system
06/01/2011CN102084583A Control method for a structure converting direct current into alternating current
06/01/2011CN102084571A A plant for transmitting electric power
06/01/2011CN102084024A Power source device
06/01/2011CN102083266A Tube driving device
06/01/2011CN102083249A LED (light-emitting diode) lighting circuit
06/01/2011CN102082526A Self-exited push-pull converter
06/01/2011CN102082525A Quasi-resonant converter capable of limiting reverse recovery current
06/01/2011CN102082524A Intelligent power device
06/01/2011CN102082523A Controlling method of compositely controlled cascaded multilevel inverter and multilevel inverter
06/01/2011CN102082522A Voltage step controlling method and step wave cascade multilevel inverter
06/01/2011CN102082521A Circuit for accurately detecting resonance trough
06/01/2011CN102082520A Five-level rectification convertor
06/01/2011CN102082519A Control method and device of switch power supply
06/01/2011CN102082518A Method and device for controlling switching power supply
06/01/2011CN102082517A Signal converter and method thereof
06/01/2011CN102082516A Structure of bus bar assembly
06/01/2011CN102082513A Multi-channel output switching power supply
06/01/2011CN102082501A Circuit for starting power supply units and a power module circuit employing same
06/01/2011CN102082495A Power supply unit provided with ac/dc input voltage detection and power supply system incorporating same
06/01/2011CN102082494A Transformer structure
06/01/2011CN102082469A Wireless power feeder, wireless power receiver, and wireless power transmission system
06/01/2011CN102082443A Direct current (DC)-alternating current (AC) converting system and method
06/01/2011CN102080779A Efficient energy-saving type LED (light emitting diode) straight pipe lamp
06/01/2011CN101628358B Magnetic control resistance spot welding system
06/01/2011CN101605411B Medium-frequency heating system applied to exploitation of thick oil
06/01/2011CN101405932B Rectifier implementing high voltage resistance by employing standard CMOS transistor
06/01/2011CN101388632B Multi-phase AC motor driving device
06/01/2011CN101345419B Series voltage quality regulator and fast investment and cutting method
06/01/2011CN101335490B Multiple-resonant soft switch converter
06/01/2011CN101309044B Three-phase controllable silicon phase shift trigger pulse control circuit
06/01/2011CN101248576B Power conversion device
06/01/2011CN101103513B Method and device for the operation of a converter circuit comprising an LCL filter
06/01/2011CN101015114B Controller for permanent magnet alternator
05/2011
05/31/2011US7953993 Method and apparatus for a zero voltage processor sleep state
05/31/2011US7952900 H-bridge buck-boost converter
05/31/2011US7952894 Synchronous rectifier control device and a forward synchronous rectifier circuit
05/31/2011US7952300 High efficiency off-line linear power supply