Patents for H02M 1 - Details of apparatus for conversion (33,954)
12/2010
12/29/2010CN101933218A Method for operating a dc-dc converter
12/29/2010CN101932170A Circuit and method for driving a load, electric system and controller
12/29/2010CN101932157A LED constant-current driven chip input circuit
12/29/2010CN101931334A Frequency modulation controller, switch mode power supply, and switching operation frequency modulation method
12/29/2010CN101931331A In-vivo artificial organ implanting component and power supply method thereof
12/29/2010CN101931330A Electronic servo transformer
12/29/2010CN101931325A System and method for determining output voltage level information from phase voltage for switched mode regulator controllers
12/29/2010CN101931320A PFC (Power Factor Correction) voltage-reduction adjusting circuit and method as well as switch rectifier
12/29/2010CN101931319A Non-bridge type power factor correction circuit
12/29/2010CN101931318A Power supply device and power supply network system
12/29/2010CN101931317A Power supply start control circuit and power supply
12/29/2010CN101931316A LLC (Liquid Level Control) topology and current limiting circuit thereof
12/29/2010CN101931315A Circuit and method for controlling the secondary fet of transformer coupled synchronous rectified flyback converter
12/29/2010CN101931314A Electrical device and method for increasing protection grade of same
12/29/2010CN101442222B High voltage induction energy fetching power supply and method for obtaining power from high voltage line
12/29/2010CN101431289B Traction auxiliary power supply integrated deflector
12/28/2010US7859875 Universal power adapter/converter
12/28/2010US7859872 Load voltage-independent active power control of power converters
12/23/2010WO2010146433A1 Switch for both ac and dc use
12/23/2010WO2010145682A1 Power supply connected in parallel to a power switch for the control circuit thereof
12/23/2010WO2010145019A1 Dual switching frequency hybrid power converter
12/23/2010WO2010055016A3 Control for an electrically adjustable item of furniture
12/23/2010WO2010019468A3 Power factor correction using hierarchical context of a power monitoring system
12/23/2010US20100321969 Semiconductor device and power supply device using the same
12/23/2010DE102009029843A1 Netzfilter und Verwendung eines Netzfilters Line filter and use a line filter
12/23/2010DE102004016073B4 Verfahren zur Erzeugung eines Impulsausgangssignals aus einem periodischen Sägezahnsignal und einer Referenzspannung, und getakteter Stromwandler A method for generating a pulse output signal from a periodic sawtooth signal and a reference voltage, and a clocked current transformer
12/23/2010CA2765943A1 Alternating current/direct current two-way switch
12/23/2010CA2765447A1 Power supply control
12/23/2010CA2763444A1 Dual switching frequency hybrid power converter
12/22/2010EP2264882A1 Switching power supply unit
12/22/2010EP2264880A2 Automatically controlled synchronous rectifier
12/22/2010EP2264877A1 Active filter for DC power supply.
12/22/2010EP2264876A1 Active-power filter with input voltage feedforward and output load feedforward
12/22/2010EP2263300A2 Method and apparatus for providing an initial bias and enable signal for a power converter
12/22/2010EP1553475B1 Pulse power supply for regenerating magnetic energy
12/22/2010CN201682426U AC/DC conversion device with low harmonic wave and high accuracy
12/22/2010CN201682414U Photovoltaic conduction radiated interference suppression box
12/22/2010CN201682413U PFC protective circuit and television with same
12/22/2010CN201682412U Undervoltage latch circuit
12/22/2010CN201682411U Switch control circuit with short circuit protection
12/22/2010CN201682410U PWM power driver using field effect tubes and audions to drive fixedly
12/22/2010CN201682409U Totally digitalized intelligent current sharing control device for thyristor rectifier bridge
12/22/2010CN201682408U Unipolar input and bipolar output voltage controlled constant current source with photoelectric isolation
12/22/2010CN201682407U Power phase module based on IEGT (Injection Enhanced Gate Transistor)
12/22/2010CN201682406U Three-dimensional IGBT power module
12/22/2010CN201682405U Radio frequency amplifying component with hot swappable switch power supply
12/22/2010CN201682404U Radiating structure of inverter
12/22/2010CN201682403U Modularized structure device of inverter unit in photovoltaic inverter
12/22/2010CN201682402U Inverter heat radiation system based on double-passage centrifugal fan
12/22/2010CN201681275U Main control panel of middle or high voltage converter
12/22/2010CN101926085A Multi-stage switching power supply
12/22/2010CN101926078A Method of protection from over-temperature and corresponding arrangement
12/22/2010CN101926070A Systems for and methods of controlling operation of UPS
12/22/2010CN101924489A Non-thermal plasma pulse power supply
12/22/2010CN101924484A Grid-control bridge rectifier with surge current limiter
12/22/2010CN101924481A PFC (Power Factor Correction) rectifier circuit
12/22/2010CN101924473A Leakage inductance damping circuit of Flyback transformer
12/22/2010CN101924469A Switching power supply with fast transient response
12/22/2010CN101924463A PFM control method of switching power converter and realizing device thereof
12/22/2010CN101924462A Audio encoding chip power supply circuit
12/22/2010CN101924460A Level shift circuit capable of suppressing noise
12/22/2010CN101924459A Switching signal interface circuit based on double photoelectric isolation
12/22/2010CN101924458A Switch power supply and prevention method thereof
12/22/2010CN101924457A A filter appliance for a multiphase electrical converter device
12/22/2010CN101924456A Buffering drive circuit, buffer and performance improvement method thereof
12/22/2010CN101924455A Current equalizing structure of high-current rectifier bridge arm
12/22/2010CN101924454A Thyristor converter valve module for HVDC (High Voltage Direct Current) transmission
12/22/2010CN101924374A System and method for operating a wind turbine power converter
12/22/2010CN101924043A Method for producing a current converter system with cooling device and a current converter system
12/22/2010CN101241797B Noise reduction device and method for current conversion transformer
12/22/2010CN101217255B A PFC circuit with current sharing control module and the corresponding current sharing control method
12/21/2010US7855901 AC voltage output apparatus and hybrid vehicle including the same
12/16/2010WO2010144805A1 A versatile distribution transformer
12/16/2010WO2010144445A2 Phase-controlled non-zero-cross phototriac with isolated feedback
12/16/2010WO2010143124A1 A limiting circuit for an active clamp and a method of controlling a converter having a limiting circuit
12/16/2010WO2010143048A1 Dual drive system for transformer isolated half bridge and full bridge forward converters
12/16/2010DE102010030013A1 Detektieren eines Kurzschlusses in einem induktiven Laststrompfad Detecting a short circuit in an inductive load current path
12/16/2010DE102010029596A1 Invertervorrichtung Inverter device
12/16/2010DE102009024371A1 Verfahren zur Herstellung einer Stromrichteranordnung mit Kühleinrichtung und Stromrichteranordnung Process for the preparation of a converter arrangement with cooling device and power converter arrangement
12/16/2010DE102009024370A1 Stromrichteranordnung mit Kühleinrichtung und Herstellungsverfahren hierzu Converter arrangement with cooling device and manufacturing method therefor
12/16/2010DE102009024341A1 Control circuit for operation of poly-phase electric motor at direct current link, has bridge connection, which has bridge feet for each engine phase
12/16/2010CA2765160A1 A versatile distribution transformer
12/15/2010EP2260676A1 Driving a light-emitting diode
12/15/2010EP2260562A1 Hot-swappable battery retrofit module
12/15/2010CN201674752U Cooling device and cooling system of variable frequency control cabinet
12/15/2010CN201674744U Novel radiating device of air-conditioning variable frequency module
12/15/2010CN201674417U Monolithic Cuk switch power circuit
12/15/2010CN201674410U Flameproof safe power supply for coal mine
12/15/2010CN201674399U Low-ripple power source device
12/15/2010CN201674391U Circuit for achieving wide-power supply operation of switch power supply without power factor correction
12/15/2010CN201674390U Band-gap reference start-up circuit applied high voltage
12/15/2010CN201674389U Direct current-to-direct current converter of programmable alternating current and direct current power supply
12/15/2010CN201674388U Power tube current limiting protection adjusting circuit for powered devices (PDs)
12/15/2010CN201674387U Silicon controlled frequency conversion apparatus
12/15/2010CN201674386U Double-CPU redundancy fault-tolerant system based on high-voltage frequency converter
12/15/2010CN201674385U Cascaded high-power high-voltage variable-frequency power unit
12/15/2010CN201674384U Containing box of power converter
12/15/2010CN201674383U Automobile power supply converter
12/15/2010CN201674382U Plate type capacitive busbar
12/15/2010CN1753594B Electron ballast passive power factor correcting circuit