Patents for H02M 1 - Details of apparatus for conversion (33,954)
09/2012
09/12/2012CN202435665U LED constant-current driving circuit with high power factor
09/12/2012CN202435644U Electronic transformer of LED (Light Emitting Diode) lamp
09/12/2012CN202435335U Shaft current guarding system of large wind driven generator
09/12/2012CN202435332U Low-cost and high-isolation-characteristic bootstrap driving circuit of switched reluctance motor
09/12/2012CN202435299U Power supply case of inverter
09/12/2012CN202435291U PFC (Power Factor Correction) boost circuit with adjustable carrier wave amplitude
09/12/2012CN202435289U Switching type multi-power-source management circuit
09/12/2012CN202435284U Mining modular frequency converter
09/12/2012CN202435283U Series energy storage capacitive circuit of mine intrinsically safe power supply
09/12/2012CN202435263U Power adapter
09/12/2012CN202435262U Passive PFC (Power Factor Correction) circuit used for variable frequency air conditioner
09/12/2012CN202435261U Passive power factor correction circuit
09/12/2012CN202435260U Novel passive PF (Power Factor) correction circuit
09/12/2012CN202435259U Active power factor correction circuit in inverter power supply
09/12/2012CN202435258U Speed setting controller for AC-DC dual purpose compressor
09/12/2012CN202435257U Protection bypass of power unit of high-voltage transducer
09/12/2012CN202435256U Crowbar protection device used for wind-power double-fed converter
09/12/2012CN202435255U High power low voltage converter insulated gate bipolar transistor (IGBT) drive circuit
09/12/2012CN202435254U Frequency adjusting device of switch power source control chip
09/12/2012CN202435253U IGBT driving integrated device
09/12/2012CN202435252U IGBT (Insulate Gate Bipolar Transistor) driving and protection circuit
09/12/2012CN202435251U Trigger circuit of control circuit apparatus in high purity polycrystalline silicon production
09/12/2012CN202435250U Power unit module of frame-type water-cooling converter
09/12/2012CN202435249U Welding power supply equipment
09/12/2012CN202435248U Transducer output circuit and transducer
09/12/2012CN202435247U Frequency changer and input circuit thereof
09/12/2012CN202435246U Main body device of power module
09/12/2012CN202435245U Explosion-proof frequency converter movement
09/12/2012CN202435244U Aluminium water-cooling heating panel used for convertor
09/12/2012CN202435243U Remote-frequency-control frequency converter
09/12/2012CN202435242U Major loop structure of frequency converter
09/12/2012CN202435241U Frequency converter
09/12/2012CN202435240U Vector control transducer
09/12/2012CN202435239U Frequency converter in cable material production process
09/12/2012CN202435238U Economical frequency converter
09/12/2012CN202435237U Modified vector control transducer
09/12/2012CN202435236U Vector control frequency converter with turbine fan
09/12/2012CN202435235U Master control busbar of vector control transducer
09/12/2012CN202435234U Connecting element in wind and power current transformer
09/12/2012CN202435233U Air-cooled wind power converter power cabinet with modular structure
09/12/2012CN202435232U Circulation cooling system
09/12/2012CN202435231U Chopper module
09/12/2012CN202435230U Large-power converter of 5-inch thyristor copper radiator array unit structure
09/12/2012CN202435130U Power supply of invading wave recording device of transformer substation
09/12/2012CN102668355A Power conversion apparatus
09/12/2012CN102668347A Start-up supply
09/12/2012CN102668346A Fuel cell system including soft switching boost converter
09/12/2012CN102666180A Method and apparatus for discharging an energy store in a high-voltage power supply system
09/12/2012CN102664538A High-power-factor dielectric barrier discharge power supply circuit
09/12/2012CN102664531A Cascaded PFC and resonant mode power converters
09/12/2012CN102664527A High-current switch power supply and high-current switch power supply system
09/12/2012CN102664517A Power factor correction circuit
09/12/2012CN102664516A Switching power supply for driving MOS (Metal Oxide Semiconductor) tube
09/12/2012CN102664515A Cooling device for converter power module
09/12/2012CN102664514A Switch tube unit, five-level inverters and power generation system with same
09/12/2012CN102664513A Water cooling apparatus for solar energy photovoltaic power generation system
09/12/2012CN101752998B Frequency converter for heat pipe heat radiation type elevator and an elevator control cabinet adopting same
09/11/2012US8264860 System and method for power factor correction frequency tracking and reference generation
09/07/2012WO2012117894A1 Power semiconductor module, power semiconductor module manufacturing method, and power conversion apparatus
09/07/2012WO2012117026A2 Control arrangement and method for regulating the output current of a dc source power converter connected to a multi-source dc system
09/07/2012WO2012116738A1 Fault current limitation in dc power transmission systems
09/07/2012CA2828645A1 Control arrangement and method for regulating the output current of a dc source power converter connected to a multi-source dc system
09/06/2012DE202007019429U1 Schaltungsanordnung zum Betreiben einer induktiven Last Circuit arrangement for operating an inductive load
09/06/2012DE112009004573T5 Schaltnetzteil Switching power supply
09/06/2012DE102012201659A1 Wirkungsgrad-optimierter Umrichter mit Blindleistungskompensation für zwei Spannungen Efficiency-optimized converter with power factor correction for two voltages
09/06/2012DE102012200442A1 Elektonikeinheit mit Stromabtastung Elektonikeinheit with current sensing
09/06/2012DE102011001050A1 Temperature protective circuit for supply voltage switching circuit of microcomputer of electric refrigeration compressor, has monitoring unit connected with supply unit, where power supply of circuit is maintained in high temperature mode
09/06/2012DE102010020123B4 Umrichteranordnung mit Bremswiderstand Converter arrangement with braking resistor
09/05/2012EP2495864A1 Control arrangement and method for regulating the output current of a dc source power converter connected to a multi-source dc system
09/05/2012EP2495861A2 Circuit and method for applying a three phase power source to a three phase load
09/05/2012EP2495860A1 Switch mode power converter structure
09/05/2012EP2495857A2 AC line voltage conditioner and controller
09/05/2012EP2495856A2 Power supply unit and information processor
09/05/2012EP2495855A2 Method for power loss reduction in the voltage bracketing of active rectifier circuits
09/05/2012EP2495854A2 Discharging circuit and power supply
09/05/2012EP2494852A1 Selectively activated rapid start/bleeder circuit for solid state lighting system
09/05/2012EP2494687A1 Converter
09/05/2012EP2494686A1 Dc voltage switch converter and dc voltage switch converting method
09/05/2012EP2494677A2 Transferring electric energy to a vehicle, using a system which comprises consecutive segments for energy transfer
09/05/2012CN202425206U Integration insulated gate bipolar transistor (IGBT) driving circuit board
09/05/2012CN202424566U Single-phase unfenced photovoltaic grid-connected inverted circuit
09/05/2012CN202424561U Synchronous rectification driving circuit
09/05/2012CN202424541U 1000kW/1140V mineral explosion-proof 12-pulse power supply frequency conversion device
09/05/2012CN202424526U High-voltage input power system
09/05/2012CN202424510U Power supply device for audio-visual system of high-speed rail
09/05/2012CN202424507U Reactive compensation concentrator based three-phase alternating-current complementary power supply
09/05/2012CN202424506U Single-stage high power factor correction converter with low output power frequency ripple wave
09/05/2012CN202424505U Power factor correction circuit
09/05/2012CN202424504U PFC (power factor correction) accessory control circuit and switch power supply
09/05/2012CN202424503U PFC circuit with superwide voltage input
09/05/2012CN202424502U Switching power supply circuit
09/05/2012CN202424501U Switch power supply
09/05/2012CN202424500U Soft switching circuit for active clamp forward synchronous rectification
09/05/2012CN202424499U Nondestructive soft-start application power source
09/05/2012CN202424498U Protection circuit applicable to PWM (pulse-width modulation) power control circuit
09/05/2012CN202424497U Circuit device for preventing voltage unbalance of series electrolytic capacitors in solar inverter
09/05/2012CN202424496U Device for preventing solar inverter from starting repeatedly in morning and dusk
09/05/2012CN202424495U Improved switch power filter circuit
09/05/2012CN202424494U LCL filter
09/05/2012CN202424493U Driving circuit of liquid level control (LLC) half-bridge resonant converter