Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
05/2011
05/11/2011CN201830155U Three-phase power-factor correcting switching power-supply device
05/11/2011CN201830154U Logic link control (LLC) series resonance circuit of switching power supply
05/11/2011CN201830153U Universal power supply device
05/11/2011CN201830152U Precision testing constant current power supply of current divider
05/11/2011CN201830151U Structure capable of realizing AC (alternating current) power supply by gold finger
05/11/2011CN201830035U Power supply for online temperature detecting and transmitting device of voltage switch cabinet contact
05/11/2011CN201829970U Portable type multi-functional power supply device
05/11/2011CN201829966U Photovoltaic wind-driven grid-connected generating system with discontinuous power supply function
05/11/2011CN201827851U Power supply-free telephone auxiliary lamp
05/11/2011CN1846343B Method and apparatus for detecting faults in AC to AC, or DC to AC power conversion equipments
05/11/2011CN1813384B Methods and apparatus for control of inductively coupled power transfer systems
05/11/2011CN102057563A A plant for transmiitting electric power
05/11/2011CN102057383A Subset selection of RFID tags using light
05/11/2011CN102057281A Method and device for current measurement in phase lines
05/11/2011CN102056762A Vehicle, and vehicle controlling method
05/11/2011CN102056365A Alternating voltage transducer for airfield visual aid light
05/11/2011CN102056363A LED power driving circuit
05/11/2011CN102055393A Motor control apparatus
05/11/2011CN102055374A Portable domestic solar energy power source
05/11/2011CN102055370A Power supply device for driving electromotor and regeneration method using the power supply device
05/11/2011CN102055369A Power supply device for driving electric motor
05/11/2011CN102055368A 100-KVA micro-grid energy storage bidirectional converter
05/11/2011CN102055367A Grid interconnection inverter and grid interconnection device
05/11/2011CN102055366A Method of operating an inverter and inverter control arrangement
05/11/2011CN102055365A Converter device and uninterruptible power supply comprising such a device
05/11/2011CN102055364A Operation of a three level converter
05/11/2011CN102055363A DC bus voltage control for two stage solar converter
05/11/2011CN102055362A High-voltage pulse power supply for processing food with pulse electric field
05/11/2011CN102055361A Utility-interactive inverter system architecture and method of operation thereof
05/11/2011CN102055360A Multifunctional inverter for domestic solar energy generation
05/11/2011CN102055359A Multi level converter having at least five DC voltage levels and ups comprising the same
05/11/2011CN102055358A Power converter, charging method and charging system
05/11/2011CN102055357A Switch power supply controller circuit and switch power supply system
05/11/2011CN102055356A Composite AC to DC power converter
05/11/2011CN102055355A Power conversion apparatus
05/11/2011CN102055354A Alternating current-direct current (AC-DC) converter and frequency converter
05/11/2011CN102055353A Three-switch double-capacitor three-phase alternating current (AC)-direct current (DC) converter with high power factor
05/11/2011CN102055352A Three-phase AC-DC (alternating current-direct current) converter having three-switch, single-capacitor and high power factor
05/11/2011CN102055351A Power supply with low power consumption hiccup standby operation
05/11/2011CN102055350A DC power supply device and air-conditioner using the same
05/11/2011CN102055349A Power supply with heating function
05/11/2011CN102055348A Voltage reducing power electronic transformer for distribution network
05/11/2011CN102055326A Method for controlling process of turning off soft switch and soft switch
05/11/2011CN102055249A Wireless power feeder, wireless power transmission system, and table and table lamp using the same
05/11/2011CN102055248A Wireless power feeder, wireless power transmission system, and table and table lamp using the same
05/11/2011CN102055185A Energy consumption-free standby energy saver for household electrical appliances
05/11/2011CN102055117A Socket device and connection method of socket device
05/11/2011CN102053632A Humidity control and display device in terminal box of substation
05/11/2011CN102052206A Energy saver of automobile engine
05/11/2011CN101562405B Multifunctional high-voltage power supply
05/11/2011CN101478143B Active protective circuit for protecting series operation of semi-conductor device
05/11/2011CN101399504B Full digital soft starting circuit and electric supply system applying the circuit
05/11/2011CN101351950B Switching control circuit
05/11/2011CN101340140B Abnormality detecting device of electric power converting device and abnormality detecting method
05/11/2011CN101297469B A transmission system and a method for control thereof
05/11/2011CN101252322B Combined type power adapter
05/11/2011CN101199107B 电压变换装置 Voltage converting means
05/10/2011US7940540 Universal AC adaptor
05/10/2011US7940538 Multi-voltage power supply
05/10/2011US7939969 Power supply system, vehicle with the same, temperature increase control method for power storage device and computer-readable recording medium bearing program causing computer to execute temperature increase control of power storage device
05/10/2011CA2624254C Power converting apparatus
05/05/2011WO2011053188A1 Combined rectifier
05/05/2011WO2011052623A1 Inverter device
05/05/2011WO2011052253A1 Motor-driving apparatus for variable-speed motor
05/05/2011WO2011052214A1 Electrical power converter and induction heating device using same, and electrically driven device
05/05/2011WO2011052197A1 Switching power supply circuit and power factor controller
05/05/2011WO2011051096A2 An ac-dc converter and an inverter
05/05/2011WO2011050847A1 Converter
05/05/2011WO2011050502A1 Power converter with indication of different loads and automatic selection of overload protection currents
05/05/2011WO2011011536A3 Power bridge circuit for bi-directional inductive signaling
05/05/2011US20110103118 Non-isolated dc-dc converter assembly
05/05/2011US20110103117 Grid interconnection inverter and grid interconnection device
05/05/2011US20110103116 Plant for transmitting electric power
05/05/2011US20110103115 Voltage source converter
05/05/2011US20110103114 Solar power conversion circuit and power supply system using the same
05/05/2011US20110103113 Composite ac to dc power converter
05/05/2011US20110103112 Current sensing signal comparing device, and current sensing signal comparing method
05/05/2011US20110103111 Switching Power Converter With Efficient Switching Control Signal Period Generation
05/05/2011US20110103110 Method of operating an inverter and inverter control arrangement
05/05/2011US20110103109 Ac power source apparatus
05/05/2011US20110103105 Power transformer and power converter incorporating same
05/05/2011US20110103096 Thirty-six pulse power transformer and power converter incorporating same
05/05/2011US20110101898 Ac-dc converter, method of controlling the same, motor driver, compressor driver, air-conditioner, and heat pump type water heater
05/05/2011US20110101880 Driver circuit with an increased power factor
05/05/2011US20110100328 Electrolysis apparatus and related devices and methods
05/05/2011CA2719777A1 Method of operating an inverter and inverter control arrangement
05/04/2011EP2317638A1 Direct conversion device, method for controlling same, and control signal generation device
05/04/2011EP1715557B1 Power converter
05/04/2011CN201821562U Low-voltage fluorescent lamp
05/04/2011CN201821315U Loaded voltage-adjusting control system of transformer
05/04/2011CN201821310U Alternating-current auxiliary transmission control system for diesel locomotive
05/04/2011CN201821286U Freewheeling voltage release device
05/04/2011CN201821285U DSP (digital signal processor) control grid-connected photovoltaic inverter
05/04/2011CN201821284U Modular inverter input with dual power supplies
05/04/2011CN201821283U Coke-can-shaped inverter
05/04/2011CN201821282U Photovoltaic inverter mounting structure
05/04/2011CN201821281U Card energy-saving controller for standard hotel room
05/04/2011CN201821280U High voltage generator of smog air purifier
05/04/2011CN201821279U Power controlled type capacitance resisting and voltage reducing power circuit with low power consumption
05/04/2011CN201821278U High-voltage switch power circuit of AC (Alternating Current) servo driver