Patents for H02M 1 - Details of apparatus for conversion (33,954)
07/2013
07/31/2013CN103227576A Constant current drive control circuit with high power factor and drive device
07/31/2013CN103227575A Three-phase soft-switched PCF rectifiers
07/31/2013CN103227574A Bridgeless PFC converter working in Buck mode or Buck-Boost mode
07/31/2013CN103227567A Double-switch voltage reduction type direct current-direct current switching circuit
07/31/2013CN103227564A Bridgeless forward power factor correction device
07/31/2013CN103227563A Intelligent digital control switch power supply
07/31/2013CN103227562A Method for changing power factor
07/31/2013CN103227561A Starting device and starting method of photovoltaic inverter
07/31/2013CN103227560A Method and device for starting inverter
07/31/2013CN103227559A Method of forming a switched mode power supply controller device with an off mode and structure therefor
07/31/2013CN103227558A Wave-by-wave current limiting method and device
07/31/2013CN103227557A Soft charging circuit and soft charging method for high-voltage high-power regulating system
07/31/2013CN103223548A Anti-interference device for cutting machine
07/31/2013CN102307002B Power switch tube drive circuit with negative pressure turn-off function
07/31/2013CN102290977B Flow equalization control circuit of switching power supply maximum value with offset direct current
07/31/2013CN102255522B DC (direct current) power supply system control method adapted to deficient output power of three-phase AC (alternating current) power grid
07/31/2013CN102201746B High pressure isolation distributed driving power supply
07/31/2013CN102195512B Processing method during synchronous pulse width modulation carrier to noise ratio switching of inverter
07/31/2013CN102130616B Device and method for controlling precharge on frequency converter
07/31/2013CN102097937B Voltage stabilization type power supply transformation circuit
07/31/2013CN102055312B Voice control switch
07/31/2013CN102027679B Pulse width modulation dead time compensation method and apparatus
07/31/2013CN101969725B Intelligent general light-emitting diode (LED) street lamp illuminating power supply system
07/31/2013CN101924489B Non-thermal plasma pulse power supply
07/31/2013CN101882885B Semiconductor device driving bridge-connected power transistor
07/31/2013CN101610027B Electromagnetic interference suppression circuit for correcting power factor
07/31/2013CN101325364B Drive circuit for voltage driven electronic element
07/30/2013US8498134 Voltage converter circuit and method for a clock supply of energy to an energy storage
07/30/2013US8497666 Semiconductor device and power source device
07/30/2013US8497602 Time delay compensation in power system control
07/30/2013CA2541592C Circuit arrangement and method for controlling a pulsed power supply
07/25/2013WO2012163572A3 Power supply device for inverter circuits
07/25/2013US20130188405 Capacitor discharging circuit and power converter
07/25/2013US20130187625 Convergence type power supply device
07/25/2013DE202012004328U1 Gehäuse zur Aufnahme elektrischer Komponenten Housing for receiving electrical components,
07/25/2013DE102013100769A1 Output current filter for inverter of power supply plant, has inductors that are magnetically coupled with specific magnetic coupling factor
07/25/2013DE102012001120A1 Vorrichtung, insbesondere Schaltschrank, mit Gehäuse Device, in particular cabinet, with case
07/25/2013DE102012001119A1 Vorrichtung, insbesondere Schaltschrank, mit Gehäuse Device, in particular cabinet, with case
07/24/2013EP2618488A1 Output signal receiving circuit for photo-coupler
07/24/2013EP2618472A2 Power converter with asymmetric phase shift autotransformer for alternating current (AC) motor
07/24/2013EP2618470A2 Multichannel regulated DC/DC converter for redundant voltage supply in safety technology
07/24/2013EP2618469A1 Convergence type power supply device
07/24/2013EP2618449A2 Apparatus for charging battery in electric vehicle
07/24/2013CN203086427U Peak detection circuit, input feedforward compensating circuit and power factor correction circuit
07/24/2013CN203086369U PFC boost circuit
07/24/2013CN203086363U Novel isolating-type switch power source converter
07/24/2013CN203086361U Output ripple control circuit of power converter
07/24/2013CN203086355U Large power speed reduction machine adopted by power source adapter
07/24/2013CN203086348U AC voltage stabilizing circuit of no-power transformer
07/24/2013CN203086345U Power converting device
07/24/2013CN203086342U A switching circuit using a switching power supply control mode
07/24/2013CN203086334U UPS soft start charger
07/24/2013CN203086333U Soft start circuit of all-digital arc welding machine inverter power supply system
07/24/2013CN203086332U Passive absorption device
07/24/2013CN203086331U Bypass cabinet overvoltage-triggering device of four-quadrant converter
07/24/2013CN203086330U Buck-boost circuit
07/24/2013CN203086329U Frequency converter direct-current overvoltage inhibition apparatus
07/24/2013CN203086328U Intelligent power grid terminal power input surge suppression circuit
07/24/2013CN203086327U Input filtering apparatus of dual-PWM frequency converter
07/24/2013CN203086326U Filtering unit and frequency converter
07/24/2013CN203086325U Drive signal dead zone generating device
07/24/2013CN203086324U MOSFET driving and protecting circuit of miniwatt pulse transformer
07/24/2013CN203086323U Electric shovel silicon controlled rectifying cabinet trigger pulse generator for mine
07/24/2013CN203086322U High voltage relay assembly used for explosion-proof frequency converter
07/24/2013CN203086321U Air-cooling auxiliary current transformer cabinet
07/24/2013CN203086320U Power unit structure of medium-voltage inverter system
07/24/2013CN203086319U Liquid cooling insulated gate bipolar transistor (IGBT) power module used for wind power generation
07/24/2013CN203086098U Relay protection power supply output sequential line
07/24/2013CN203085322U Water-cooling high-power high-frequency power transformer
07/24/2013CN203080154U Power-off protection device of speed frame and speed frame
07/24/2013CN103222177A Electric power converter
07/24/2013CN103222175A Power converting apparatus
07/24/2013CN103222171A Motor drive circuit
07/24/2013CN103219899A Hybrid energy storage converter device and operation control method thereof
07/24/2013CN103219898A Semiconductor device with current sampling and starting structure
07/24/2013CN103219886A Soft switching DC-DC converter
07/24/2013CN103219884A Control circuit and control method of primary side feedback constant current
07/24/2013CN103219881A Capacity compensation circuit for sectional series connection of transformer
07/24/2013CN103219880A Transformer circuit provided with voltage feedback circuit with improved starting performance
07/24/2013CN103219879A Power supply circuit with surge suppression function
07/24/2013CN103219878A Capacitor discharging circuit and power converter
07/24/2013CN103219877A Capacitor discharging circuit and converter
07/24/2013CN103219876A Power-off stress circuit reducing active clamp and forward circuit
07/24/2013CN103219875A MMC (modular multilevel converter) circulating current suppression technology based on complemented coupling resonance
07/24/2013CN103219874A Direct-current modulation power supply drain electrode modulation device of unmanned machine
07/24/2013CN103219873A Secondary side synchronous rectification control circuit and switching type convertor
07/24/2013CN103219872A Converting control circuit and converter thereof
07/24/2013CN103219871A Controllable silicon closing time prolonging control technology for motorcycle fuel saving rectifier
07/24/2013CN103219870A Radiating method of aluminum electrolytic capacitor bunch of power unit of controller for electric vehicle
07/24/2013CN103219869A Cooler of power converting device for railroad vehicle
07/24/2013CN103219868A Semiconductor integrated circuit device and dc-dc converter
07/24/2013CN103219867A Energy reuse circuit
07/24/2013CN103219834A Explosion suppression and intrinsically safe type frequency conversion and speed regulation integral machine with 3300V for mine
07/24/2013CN102290969B Voltage sharing control circuit for series operation of insulated gate bipolar transistors
07/24/2013CN102064680B Hybrid latch applied to multi-power supply system on chip
07/24/2013CN102035365B AC adapter unit, storage tray for an AC adapter, and electronic device unit
07/24/2013CN101888174B Power conversion device
07/24/2013CN101860195B Control circuit of interleaved PFC power converter
07/24/2013CN101808389B Non-safety power supply signal processor
07/24/2013CN101604913B Bridgeless pfc power converter
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