Patents for H02M 1 - Details of apparatus for conversion (33,954)
01/2009
01/21/2009EP1774421A4 High frequency partial boost power factor correction control circuit and method
01/21/2009EP1468345A4 System and method for coordinated control of a switched power capacitor with an integrated resonance protection system
01/21/2009EP1352463A4 A high efficiency ac-dc converter with power factor corrector
01/21/2009CN201185539Y Cooling system for electric appliance unit of power apparatus
01/21/2009CN201185393Y Reversing device for electrochemistry high-power high frequency switch power supply
01/21/2009CN201185392Y Accurate follow insulation power supply with protection function
01/21/2009CN201185391Y Status self-adapting power supply
01/21/2009CN201185390Y Apparatus for reducing power supply output voltage dash current
01/21/2009CN201185389Y Three-phase controllable silicon phase shift trigger pulse control circuit
01/21/2009CN201185388Y Duplicate supply frequency converter for numeral electromagnetic heat pump air conditioner
01/21/2009CN201185387Y 频率抖动电路 Frequency jitter circuit
01/21/2009CN201185386Y Power supply pin comprised by elastic endless belt and movable contact
01/21/2009CN201185367Y T-shaped commutation socket
01/21/2009CN201183160Y MOSFET inversion type arc welding machine
01/21/2009CN201183158Y Parallel contravariant welding machine soft startup circuit based on negative temperature coefficient thermister
01/21/2009CN101352105A Ripple reduction method for electronic ballasts
01/21/2009CN101351949A A power converter
01/21/2009CN101351948A DC to DC converter
01/21/2009CN101350566A Digital alternating constant-current apparatus
01/21/2009CN101350564A Apparatus for implementing constant voltage and constant current
01/21/2009CN101350563A Pwm controller and method thereof
01/21/2009CN101350556A Steady state frequency control of variable frequency switching regulators
01/21/2009CN101350510A DC great current deicing apparatus with static state reactive compensation function
01/21/2009CN101350173A Backlight driving system for liquid crystal display
01/21/2009CN100454743C Power converter and vehicle equipped with power converter
01/21/2009CN100454741C Main circuit of converter with input compatibility of single phase and three phase
01/21/2009CN100454732C High accuracy high power constant current source and its realizing method
01/21/2009CN100454731C Current driver
01/21/2009CN100454686C Power supply installation
01/20/2009US7480164 Semiconductor integrated circuit with voltage generation circuit, liquid crystal display controller and mobile electric equipment
01/20/2009US7480163 Semiconductor device and power supply device using the same
01/20/2009US7480161 Control apparatus for semiconductor power converter
01/20/2009US7479712 Configuration for N consumers of electric energy, of which M consumers are simultaneously supplied with energy
01/15/2009WO2009008739A1 Drive circuit
01/15/2009US20090015068 Apparatus for supplying power and liquid crystal display having the same
01/15/2009DE102008002971A1 Method for minimizing harmonic source current during supply from multiple converter stages, involves determining amplitude and phase of fundamental vibrations of each converter
01/15/2009DE102007032808A1 Potenzialsteuerung bei Hochspannungsvorrichtungen Potential control at high voltage devices
01/15/2009DE102004050464B4 Ausgangsschaltung Output circuit
01/15/2009DE102004038353B4 Ansteuerschaltung für einen Schalter in einem Schaltwandler und Schaltungsanordnung mit einem Schaltwandler und einer Last A drive circuit for a switch in a switching converter and circuit arrangement having a switching converter and a load
01/14/2009EP2015282A1 Driving circuit and display device
01/14/2009EP2013964A2 Universal ac or dc aircraft device power supply having power factor correction
01/14/2009EP2013963A1 Power inverter control device for switching point determination
01/14/2009EP2013956A2 Regenerative gate drive circuit for a power mosfet
01/14/2009EP1440501B1 Motor control circuit and associated full bridge switching arrangement
01/14/2009CN201181922Y Multilevel series connection type high power converter of switch reluctance motor
01/14/2009CN201181903Y Input circuit of DC power supply
01/14/2009CN201181901Y IGBT drive module with two-way output
01/14/2009CN201181900Y Power supply with variable conversion efficiency curve
01/14/2009CN201181899Y Stereo miniature type power supply
01/14/2009CN201181898Y Combination type mining frequency convertor
01/14/2009CN101346874A Rotating electrical machine with decoupled phases
01/14/2009CN101346779A Cooling of high voltage devices
01/14/2009CN101345511A Systems and methods for operating Z-source inverter inductors in a continuous current mode
01/14/2009CN101345507A Energy-saving control device of megawatt level multifunctional aerogenerator
01/14/2009CN101345484A Input current low frequency fluctuation controller of low frequency dynamic power supply
01/14/2009CN101345480A Synchronization adjustment circuit of off-line power converter
01/14/2009CN101345476A DC-DC conversion decompression soft switch circuit
01/14/2009CN101345472A Drive circuit and inverter for voltage driving type semiconductor device
01/14/2009CN101345471A Monolithic microwave integrated circuit power converter and gate driver circuit
01/14/2009CN101345470A Current transformer
01/14/2009CN101345469A Liquid cooling energy converting equipment
01/14/2009CN101344765A Drinking machine electricity-saving control technology with self-learning function
01/14/2009CN101344300A Power factor compensation type air conditioner integral power economizer
01/14/2009CN100452640C Program-control frequency converting device
01/14/2009CN100452631C Electric driving electronic power converter device arranging method and apparatus
01/14/2009CN100452227C Method and apparatus for picking absolute time data of prerecording ditch groove
01/13/2009US7477533 Compact contour electrical converter package
01/13/2009US7477532 Method of forming a start-up device and structure therefor
01/13/2009US7477024 Sequential burst mode activation circuit
01/13/2009CA2343329C Generator for arc welding machines
01/08/2009WO2009004715A1 Electronic element driving circuit
01/08/2009WO2009004385A1 Rf interference reduction for functional glazings
01/08/2009WO2009003834A2 Device for converting an electric current
01/08/2009WO2008138863A3 Network filter for a converter for connection of the converter to a three-phase supply network
01/08/2009US20090010029 Power converter
01/08/2009DE102008040167A1 Eine Stromversorgung, die das Geräusch der Sekundärseite reduzieren kann A power supply, which can reduce the noise of the secondary side
01/08/2009DE102007031140A1 Vorrichtung zum Umrichten eines elektrischen Stromes A device for converting an electric current
01/08/2009DE102007027505B3 Ansteuerschaltkreis für einen High-Side-Halbleiterschalter zum Schalten einer Versorgungsspannung Drive circuit for a high-side semiconductor switch for switching a supply voltage
01/08/2009DE102007007249B4 Schaltungsanordnung zur Ansteuerung eines Schaltnetzteils Circuit arrangement for driving a switching power supply
01/07/2009EP2012419A1 Power converter
01/07/2009EP2012418A2 Power converter
01/07/2009EP2012417A1 Power supply with wide input voltage range
01/07/2009EP2012415A2 Method of controlling a step-up DC-DC converter and related converter
01/07/2009EP2011218A2 Boost power factor correction circuit (boost pfc)
01/07/2009EP2011217A2 Boost power factor correction circuit (boost pfc)
01/07/2009EP2011216A1 Electric power saving apparatus comprising semi-conductor device to pass energy of infrared ray synthetic wavelength into electric cable using output pulse signal, electric circuit board structure for implementing the apparatus, and electric power saving method
01/07/2009EP1456943B8 Attenuation control for digital power converters
01/07/2009CN201178544Y Fin tubular heat-pipe radiator for frequency transformer
01/07/2009CN201178382Y Electric power change-over circuit
01/07/2009CN201178379Y Highly reliable power factor calibrating circuit
01/07/2009CN201178378Y Power supply source for soft initiating apparatus triggering circuit
01/07/2009CN201178377Y Under voltage locking circuit with temperature compensation
01/07/2009CN201178376Y Driving circuit of electric bicycle
01/07/2009CN201178375Y Coupling type high-voltage thyristor valve group triggering unit of current source
01/07/2009CN201178374Y Power source change-over device for aerospace electric product
01/07/2009CN201178373Y Wiring tube assembly of frequency converter speed regulating device
01/07/2009CN101340149A Output current limiting control apparatus having input compensation
01/07/2009CN101340147A Apparatus and method for suppressing input current burst of voltage converter in pre-charging mode
01/07/2009CN101340146A Current summation conversion rate regulator delaying stage by stage
01/07/2009CN101340143A Switch converter of high power factor