Patents for H02M 1 - Details of apparatus for conversion (33,954)
06/2011
06/01/2011CN201854176U Driving power supply with frequency modulation and voltage modulation
06/01/2011CN201854175U Insulated gate bipolar transistor driving module with self-locking function
06/01/2011CN201854174U High-reliability air channel system used for multi-converter system
06/01/2011CN201854173U Fan mounting structure
06/01/2011CN201854172U Buckle type portable power supply structure
06/01/2011CN201854171U Busbar structure for power element of high-voltage frequency converter
06/01/2011CN201854170U Cooling device for converter and converter
06/01/2011CN201854053U Periodic awakening power circuit with self-locking function
06/01/2011CN201854024U Protecting device of feedback unit
06/01/2011CN201853851U Conducting strip electric connection structure and power converter with the same
06/01/2011CN102084580A Active damping circuit for electric chopper circuit
06/01/2011CN102084571A A plant for transmitting electric power
06/01/2011CN102083249A LED (light-emitting diode) lighting circuit
06/01/2011CN102082547A Power conversion device
06/01/2011CN102082520A Five-level rectification convertor
06/01/2011CN102082507A Capacitor charge pump
06/01/2011CN102082502A Quick-starting power switching circuit
06/01/2011CN102082501A Circuit for starting power supply units and a power module circuit employing same
06/01/2011CN102082500A Integrated chip special for GFL107 shutdown automatic power off control system
06/01/2011CN102082499A Inversion protection circuit
06/01/2011CN102082498A Switching control circuit and power supply apparatus
06/01/2011CN102082497A Digital trigger of thyristor
06/01/2011CN102082496A Converter cabinet for wind power generation
06/01/2011CN102082495A Power supply unit provided with ac/dc input voltage detection and power supply system incorporating same
06/01/2011CN102082494A Transformer structure
06/01/2011CN102082493A External radiating complete sealing transducer
06/01/2011CN101309044B Three-phase controllable silicon phase shift trigger pulse control circuit
06/01/2011CN101282079B System and method for power controller
06/01/2011CN101103513B Method and device for the operation of a converter circuit comprising an LCL filter
05/2011
05/31/2011US7952897 System for producing electric power from renewable sources and a control method thereof
05/31/2011US7952896 Power conversion architecture with zero common mode voltage
05/31/2011US7952300 High efficiency off-line linear power supply
05/31/2011US7952235 Electronic power-saving device
05/26/2011WO2011039313A3 Method and circuit for a pin power factor correction
05/26/2011US20110122662 Buck and buck/boost converter systems having auxiliary circuits and method thereof
05/26/2011DE202011000050U1 Schaltungsanordnung von elektronischen Leistungsschaltern einer Stromerzeugungsvorrichtung Circuit of electronic power switches a power generating device
05/26/2011DE102010022001A1 Schaltungsanordnung und Verfahren zum Bereitstellen einer Spannungsversorgung für eine Treiberschaltung Circuit arrangement and method for providing a power supply for a driving circuit
05/26/2011DE102009053999A1 Umrichter mit einem Kühlkörper Inverter with a heat sink
05/26/2011DE102009053998A1 Umrichter, insbesondere mehrphasiger Drehstromumrichter Converter, in particular multiphase Drehstromumrichter
05/26/2011DE102009053997A1 Umrichter Inverter
05/26/2011DE102009052733A1 Elektrogerät mit Mitteln zur Erzeugung eines Wechselstromes und Anlage Electric device having means for generating an alternating current and investment
05/26/2011DE102009044593A1 Betriebssteuergerät zum Betreiben eines Leuchtmittels An operation control device for operating a fluorescent material
05/25/2011EP2325996A2 Feeding system for an inductive load from an energy source with variable power
05/25/2011EP2325989A1 Method and apparatus to limit output power in a switching power supply
05/25/2011EP2325984A1 Start up of a photovoltiac field with high open circuit voltage
05/25/2011EP2325716A1 Reactive power regulation and voltage support for renewable energy plants
05/25/2011EP2324402A1 Lighting source with low total harmonic distortion
05/25/2011CN201846506U High efficiency light-emitting diode (LED) circuit driven by constant current source
05/25/2011CN201846246U Novel auxiliary reverse power adopting zero current soft switching technology
05/25/2011CN201846230U High-power capacitance type charging circuit using wind power converter for energy storage
05/25/2011CN201846229U Soft start circuit
05/25/2011CN201846228U Voltage peak absorbing circuit of high-frequency diodes
05/25/2011CN201846227U Power supply circuit capable of realizing light-load power supply
05/25/2011CN201846226U Slope compensation device of inverter welding power supply with peak current mode
05/25/2011CN201846225U High-potential transformer isolation driver
05/25/2011CN201846224U Inverter box body
05/25/2011CN201846223U Frequency changer
05/25/2011CN201846222U Converter cabinet for wind power generation
05/25/2011CN201846093U Photovoltaic inverter power unit
05/25/2011CN201844735U Heat exchanger of power module
05/25/2011CN201844248U LED fluorescent lamp and power circuit of LED fluorescent lamp
05/25/2011CN1882214B Electronic ballast for at least one lamp
05/25/2011CN102077693A Internal power supply for a ballast
05/25/2011CN102077452A Inverter and method for operating inverter
05/25/2011CN102077451A Electric power conversion device
05/25/2011CN102075108A Capacitance current feedforward control method for grid-connected inverter with LCL filter
05/25/2011CN102075102A Bridge rectification circuit
05/25/2011CN102075101A Single-phase full-control rectifier current-limiting device and work method thereof
05/25/2011CN102075097A Method for controlling n+1 fault redundancy of cascade type converter
05/25/2011CN102075091A Power supply device with extremely low harmonic interference
05/25/2011CN102075088A Method for cascade connection of switch voltage converter and linear voltage regulator
05/25/2011CN102075084A Precise digital power supply
05/25/2011CN102075083A Power switching circuit
05/25/2011CN102075082A Power supply plug-in connector for electronic device of locomotive network control system
05/25/2011CN102075080A Control circuit radiation resistant device in high-voltage high-power converter
05/25/2011CN102075079A Power management device and method capable of reducing electromagnetic interference and output load peak
05/25/2011CN102075078A Low-input voltage bridgeless staggered voltage-multiplying power factor correction device
05/25/2011CN102075077A Integrated multi-inductor magnetic assembly and multi-loop power factor correction circuit
05/25/2011CN102075076A Method for controlling turn-off transient process of insulated gate device
05/25/2011CN102075075A Bias and discharge system for low power loss start up and input capacitance discharge
05/25/2011CN102075074A Method and apparatus to limit maximum switch current in switch of switching power supply
05/25/2011CN102075073A Novel electro-magnetic interference (EMI) filtering capacitance loss reducing circuit
05/25/2011CN102075072A Staggered parallel high-stability modularized direct-current current-stabilized power supply system and staggered parallel connection method thereof
05/25/2011CN102075071A Compensation control circuit beneficial to harmonic reduction of active flyback power factor correction device
05/25/2011CN102075070A Direct current power supply with input interface shared by alternating current and direct current
05/25/2011CN102075069A Drive control system and method for parallel insulated gate bipolar transistors (IGBT)
05/25/2011CN102075068A Circuit and topology for high-reliability power electronic device system
05/25/2011CN102075067A Module power unit of wind power converter
05/25/2011CN102075066A Medium-high voltage frequency converter with integrated structure
05/25/2011CN102075065A Novel antitheft processing structure of photovoltaic inverter
05/25/2011CN101552539B Inverter gate pulse protection circuit
05/25/2011CN101515750B Current level change protection and control device for current supply
05/25/2011CN101459375B Traction current transformer device
05/25/2011CN101409514B Method and apparatus for controlling power unit of frequency changer
05/25/2011CN101320938B Multi-use power module
05/25/2011CN101299574B Method and apparatus for active power factor correction without sensing the line voltage
05/25/2011CN101232237B Multiple output power supply
05/25/2011CN101090236B Method for inhibiting thermal run-away
05/25/2011CN101064432B Voltage dynamic regulation circuit of power factor corrector
05/24/2011US7948780 Semiconductor device for switching power supply control, startup circuit, and startup method for switching power supply device