Patents for H02M 1 - Details of apparatus for conversion (33,954)
04/2014
04/02/2014CN203522543U Full-bridge self-excited converter
04/02/2014CN203522535U Optical transceiver power source adapter
04/02/2014CN203522532U Buffer absorption circuit assembly used on electric locomotive chopping speed regulator
04/02/2014CN203522530U Contactor power supply circuit of grid-connected inversion circuit
04/02/2014CN203522526U Low-noise filter for AC power of router
04/02/2014CN203522525U X-ray machine power factor correction circuit based on passive lossless absorption circuit
04/02/2014CN203522524U X-ray machine power factor correction circuit based on zero-voltage transition soft switching
04/02/2014CN203522523U PID suppression circuit of photovoltaic system
04/02/2014CN203522522U Wireless signal shielding device having safe booting function
04/02/2014CN203522521U Starting circuit used for power factor correction
04/02/2014CN203522520U DC power supply starting circuit
04/02/2014CN203522519U DC power supply starting circuit
04/02/2014CN203522518U Chain type static var generator chain link online bypass circuit
04/02/2014CN203522517U Direct-current filter module of electric air-conditioning compressor controller
04/02/2014CN203522516U Switch peak voltage absorbing circuit
04/02/2014CN203522515U Integrated filtering device for four-quadrant explosion-proof frequency converter
04/02/2014CN203522514U Frequency converter peak voltage absorbing device and system
04/02/2014CN203522513U Self-driving synchronous rectification driving circuit suitable for module power source
04/02/2014CN203522512U New type flyback converter constant-voltage and constant-current control circuit
04/02/2014CN203522511U IGBT driving circuit of converter for electric locomotive
04/02/2014CN203522510U Power unit of high-voltage frequency converter
04/02/2014CN203522509U Current transformer cooling system and air-conditioning set with current transformer cooling system
04/02/2014CN203522508U Explosion-proof frequency converter
04/02/2014CN203522507U Main loop of frequency converter
04/02/2014CN203522506U Auxiliary conversion charger module
04/02/2014CN203522505U High voltage variable frequency cooling circulating system with auxiliary cooling device
04/02/2014CN203522504U Power conversion device air duct with built-in capacitors
04/02/2014CN203522503U Condensation-preventing device of elevator medium-voltage frequency conversion cabinet
04/02/2014CN203522502U Converter combined cabinet
04/02/2014CN203522501U Dc power on-off control circuit and DC power device
04/02/2014CN203522500U Air-cooled housing of industrial variable-frequency power source
04/02/2014CN203522499U Experiment power supply for high school students
04/02/2014CN203522498U Power electronic modular parallel communication device
04/02/2014CN203521178U AC buffer capacitor
04/02/2014CN203520080U Real-time controller of universal frequency converter
04/02/2014CN203518304U Power electronic device cooling system and distribution type power generating system
04/02/2014CN103703680A Signal processing
04/02/2014CN103703673A Method and control device for protection time setting in electric drive system
04/02/2014CN103703666A Method for controlling switches of a current rectifier connected to an on-board charger
04/02/2014CN103703665A Switch mode power supply and method for operating the switch mode power supply
04/02/2014CN103703662A Snubber circuit
04/02/2014CN103701353A Soft switching control method of high-frequency link inverter
04/02/2014CN103701340A Gate driving circuit and inverter having the same
04/02/2014CN103701327A Off-line power converter and integrated circuit suitable for use in same
04/02/2014CN103701316A Quasi-resonance flyback converter as well as controller thereof and control method
04/02/2014CN103701315A CPLD (complex programmable logic device)-based PWM (pulse width modulation) dead zone error detection and protection method
04/02/2014CN103701314A Soft starting device of high-power direct current test power source of automobile traction motor controller
04/02/2014CN103701313A Damping current-limiting circuit used in DC (direct current)-DC converter
04/02/2014CN103701312A Current limiting circuit and method of boost converter
04/02/2014CN103701311A Protection circuit of middle/high voltage current converter power module
04/02/2014CN103701310A Overcurrent/overpower protection method of switching power supply, protection circuit and switching power supply
04/02/2014CN103701309A Alternating-direct current power supply system for variable frequency equipment and variable frequency air conditioner
04/02/2014CN103701308A Synchronizing power tube driving and bootstrap capacitor charging circuit
04/02/2014CN103701307A Single inductance multi-output buck converter as well as control circuit and control method of single inductance multi-output buck converter
04/02/2014CN103701306A Energy-saving driving circuit device and design method
04/02/2014CN103701305A Synchronous rectifying circuit and implementing method
04/02/2014CN103701304A Frequency converter cabinet body
04/02/2014CN103701303A Switching power supply with testability function and testing method thereof
04/02/2014CN103701302A Heat radiating device of mine frequency converter
04/02/2014CN103701301A Low-noise radiator of non-partial discharge variable-frequency power source
04/02/2014CN103701300A Laminated busbars and frequency converter
04/02/2014CN103701299A Converter
04/02/2014CN103701298A Inclined temperature layer water tank for direct current transmission converter valve
04/02/2014CN103701297A Heat radiation device of power supply adapter
04/02/2014CN103701128A LCL parallel resonance restraining method and inverter
04/02/2014CN103700473A Coupling inductor and power converter
04/02/2014CN102882359B Bias voltage generation circuit and switching power supply using same
04/02/2014CN102714464B A multi-input DC converter and a PFC circuit
04/02/2014CN102710100B Method for calculating and generating SPWM (Sinusoidal Pulse Width Modulation) for thread spinner frequency converter by using real-time sine values
04/02/2014CN102545579B Power factor correction pre-adjusting circuit and switch power source
04/02/2014CN102510610B Single-stage AC-DC (alternating current-direct current) high-power LED (light-emitting diode) lighting drive circuit
04/02/2014CN102377326B Insulated gate bipolar transistor (IGBT)-bridge-switch-topology-based driving circuit and protection module thereof
04/02/2014CN102377235B Cascaded converter-based multifunctional high-speed switch device
04/02/2014CN102299613B Cooling method of power converting device and power converting units
04/02/2014CN102055350B DC power supply device and air-conditioner using the same
04/02/2014CN102027666B Overvoltage limitation in a chopping converter
04/01/2014US8687388 Three-phase soft-switched PFC rectifiers
04/01/2014US8687383 Inverter and active power filter system utlizing an auxiliary capacitor module
04/01/2014US8686761 Gate driver and switching power source apparatus
03/2014
03/28/2014CA2827664A1 Multilevel converter system
03/27/2014WO2014046986A2 Control for fault-bypass of cascaded multi-level inverter
03/27/2014WO2014046555A1 Improvements in or relating to modular multi-level converters
03/27/2014WO2014046238A1 Semiconductor driving device
03/27/2014WO2014045580A1 Charging device
03/27/2014WO2014044089A1 On-line uninterrupted power supply topology
03/27/2014WO2014044087A1 Diode neutral point clamped three-level inverter current limiting control method and related circuit thereof
03/27/2014WO2014043977A1 Power supply system and start method therefor
03/27/2014WO2014043795A1 Topology for controlled power switch module
03/27/2014US20140085946 Power system and starting method thereof
03/27/2014US20140085935 Power conversion device
03/27/2014US20140084877 Compensation System For Medium Or High Voltage Applications
03/27/2014US20140084835 Load driving device and electronic device using same
03/27/2014US20140084790 Electromagnetic interference filter, and power supply apparatus and display apparatus including the same
03/27/2014DE112012002329T5 Wechselrichter-Ansteuervorrichtung Inverter control device
03/27/2014DE102013015791A1 Motortreiber und Schrank Motor driver and cabinet
03/27/2014DE102013015447A1 Digital gesteuertes Stromversorgungsgerät mit einer Funktion zu Fehlererkennung The digitally controlled power supply apparatus having a function to fault detection
03/27/2014DE102012217565A1 Throttle device for switching regulator for e.g. energy saving lamp, has output capacitor whose first terminal is electrically conductive with second terminal of second partial throttle
03/27/2014DE102012217475A1 Cooling device for power converter in rail vehicle, has direction reversing unit e.g. mechanical actuator is arranged for reversing rotation direction of fan such that flow direction of cooling air is reversed
03/27/2014DE102012217472A1 Power converter e.g. three-phase on-off power converter has measuring unit which is arranged in alternating current branches for detecting de-energized branch depending on switching state of several switchable power semiconductors
03/26/2014EP2712270A1 Power supply device for lighting and luminaire
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