Patents for H02M 1 - Details of apparatus for conversion (33,954)
05/2012
05/10/2012WO2012059853A1 Driver device and driving method for driving a load, in particular an led unit
05/10/2012WO2012030952A3 Reducing ripple current in a switched-mode power converter employing a bridge topology
05/10/2012US20120113697 Apparatus for generating alternating current power by direct current supply brush that rotates with field pole generator, and apparatus for generating direct current power
05/10/2012US20120112798 Current-to-voltage converter, receiver, method for providing a voltage signal and method for receiving a received signal
05/10/2012DE112010001155T5 Steuersystem für einen Einphasen-Induktionsmotor und Steuerverfahren für einen Einphasen-lnduktionsmotor A control system for a single phase induction motor and control method for a single phase induction motor
05/10/2012DE102011085073A1 Kompensation für Nichtlinearitäten von elektrischen Wandlern Compensation for non-linearities of electrical transformers
05/10/2012DE102011085063A1 Systeme und Verfahren zum Reduzieren harmonischer Störung in elektrischen Wandlern Systems and methods for reducing harmonic interference in electrical converters
05/10/2012DE102011055071A1 Kompatibilität elektronischer transformatoren für leuchtdiodensysteme Compatibility of electronic transformers for light-systems
05/10/2012DE102011011329A1 Hochsetzsteller Up converter
05/10/2012DE102009036861B4 Verfahren zur Regelung eines Spannungswandlers, Spannungswandler sowie Betriebsgerät mit einem Spannungswandler Method for regulating a voltage transformer, voltage transformer, and operating device with a voltage converter
05/09/2012EP2451069A1 Switching branch for three-level rectifier and method for controlling switching branch for three-level rectifier
05/09/2012EP2451067A2 Power supply system and image forming apparatus
05/09/2012EP2451062A1 PFC with multi-channel error feedback
05/09/2012EP2450768A1 Startup circuit for self-supplied voltage regulator
05/09/2012EP2449668A1 Power converter with multi-level voltage output and harmonics compensator
05/09/2012EP2449663A1 Power supply with dynamic input current suppression
05/09/2012EP2449660A1 Method for reducing electromagnetic interference radiated from a power supply arrangement
05/09/2012EP2449401A1 A radar system comprising a switching mode power converter
05/09/2012EP1594164B1 Integrated circuit for driving semiconductor device
05/09/2012CN202218173U 逆变电路 Inverter circuit
05/09/2012CN202218171U Bidirectional current interlacing control circuit of AC rectification power source
05/09/2012CN202218161U Bidirectional isolation-type phase-shift full-bridge DC/DC (Direct Current to Direct Current) converter
05/09/2012CN202218156U Power factor correction circuit
05/09/2012CN202218155U Output filter circuit for high-power low-voltage large-current high-frequency switch power supply device
05/09/2012CN202218154U Special frequency converter for spinning
05/09/2012CN202218153U Alternating current-direct current hybrid server power supply
05/09/2012CN202218152U IGBT (Insulated Gate Bipolar Transistor) heat-radiation structure of photovoltaic inverter
05/09/2012CN202218151U Simple cabinet door for alternating current and direct current conversion cabinet
05/09/2012CN202218150U Universal high-performance vector frequency converter
05/09/2012CN202218149U Special frequency converter for machine tool
05/09/2012CN202218148U Framework for frequency converter and frequency converter
05/09/2012CN202218147U Power adapter with replaceable plug and charger
05/09/2012CN202218146U Combined type power supply converter and body and sub-body thereof
05/09/2012CN202218051U Intelligent charger
05/09/2012CN102449897A Method and apparatus for electrical bus centering
05/09/2012CN102449890A Apparatus for adaptively reducing electromagnetic wave
05/09/2012CN102447410A AC-DC (Alternating Current-Direct Current) power converter and loop compensating circuit thereof
05/09/2012CN102447409A Low-harmonic rectification circuit
05/09/2012CN102447403A Three-phase rectifier circuit with low harmonic wave continuous input current
05/09/2012CN102447399A Adaptive fharmonic reduction apparatus and methods
05/09/2012CN102447386A Systems and methods for controlling inductive energy in DC-DC converters
05/09/2012CN102447382A Power-supply module with electromagnetic-interference (EMI) shielding, cooling, or both shielding and cooling, along two or more sides
05/09/2012CN102447381A Power factor correcting device and controller and THD attenuator used in the device
05/09/2012CN102447380A Soft start circuit for power supplies
05/09/2012CN102447379A Circuit and method for improving subharmonic of power supply converter
05/09/2012CN102447378A Buffer switch circuit
05/09/2012CN102447377A Switching converter circuit with preprocessing function and method thereof
05/09/2012CN102447354A Variable-frequency motor, frequency converter and heat radiation member
05/09/2012CN102447260A High-voltage reactive power compensation IGBT power cabinet
05/09/2012CN101674013B Switching voltage reduction power supply with improved mode conversion efficiency and control method
05/09/2012CN101573860B Power supply system, vehicle using the same, and its control method
05/09/2012CN101557174B A state-tracked digitally-controlled inverter power supply
05/09/2012CN101436828B Power factor improving circuit
05/09/2012CN101425752B Control circuit capable of adjusting leading edge blanking time and power supply switching-over system
05/09/2012CN101409136B Switch power source
05/09/2012CN101390289B Power supply control device
05/09/2012CN101295917B Pluggable electronic device with lock bar element
05/09/2012CN101197546B Power conversion apparatus and motor drive system
05/09/2012CN101171739B Driving apparatus for voltage-driven semiconductor device
05/08/2012US8174853 Variable speed drive
05/03/2012WO2012055447A1 Voltage balancing of symmetric hvdc monopole transmission lines after earth faults
05/03/2012WO2012055232A1 Power factor correction circuit and control method
05/03/2012WO2012011769A3 Device for improving power quality
05/03/2012WO2011112821A3 Digital device with boot strap circuit stimulator
05/03/2012WO2011057902A3 Power switch arrangement for an inverter
05/03/2012WO2011057901A3 Inverter with a voltage limiting element
05/03/2012WO2011057900A3 Inverter with a voltage limiting element
05/03/2012US20120106211 Power factor and line distortion method and apparatus
05/03/2012DE102011104322A1 Leistungsumwandlungsvorrichtung Power conversion apparatus
05/03/2012DE102011016320A1 Switching power supply for e.g. hybrid car, has bus bars for secondary windings of transformer and rectifying circuit, which are constructed in single conductive plate
05/03/2012DE102010043137A1 Power steering apparatus of vehicle steering system, has output stage driver that has complementary output stage with P-channel FET which is portion of primary current mirror and N-channel FET which is portion of secondary current mirror
05/03/2012DE102010043116A1 Functional monitoring unit for monitoring functionality of current regulator utilized for controlling current flow over inductive load in safety-critical application, has diagnostic unit producing test signal that is output via interface
05/03/2012DE102010028314B4 Umrichtergerät The power conversion
05/02/2012EP2448102A1 Power conversion device
05/02/2012EP2448100A2 Multi-Phase Power Converters and Integrated Choke Therefor
05/02/2012EP2448098A2 Power supply with single stage converter for performing power factor correction and resonant conversion
05/02/2012EP2445747A1 Circuit arrangement for power distribution in a motor vehicle
05/02/2012DE202012101290U1 Frequenzumwandlereinheit Frequenzumwandlereinheit
05/02/2012CN202210760U Soft starting circuit of current transformer
05/02/2012CN202210755U One-phase equivalent circuit of power module used for reactive compensation system
05/02/2012CN202210754U Device utilizing high voltage compound transformer for power supply
05/02/2012CN202210753U Low-power-consumption power supply control circuit
05/02/2012CN202210752U Heat radiation air flue of integrated frequency converter control cabinet of oil well
05/02/2012CN202210751U Power supply adapter convenient for replacing power line
05/02/2012CN202210750U IGBT intermediate frequency power supply output terminal
05/02/2012CN202210749U Cooling water pipe of IGBT (Insulated Gate Bipolar Translator) medium frequency power supply
05/02/2012CN102439831A Drive device for driving voltage-driven element
05/02/2012CN102438379A LED (Light Emitting Diode) driving power supply
05/02/2012CN102438378A LED (Light Emitting Diode) illumination intelligent control system
05/02/2012CN102438377A LED (Light Emitting Diode) constant-current driving circuit with high power factor
05/02/2012CN102437803A Switched reluctance motor bootstrapping driving circuit with low cost and high isolation characteristic
05/02/2012CN102437772A Bipolar modulation control device of high frequency pulse alternating current link inverter
05/02/2012CN102437760A DC-link voltage balancing system and method for multilevel converters
05/02/2012CN102437752A Grading limiting circuit for aerospace alternative-current/direct-current (AC/DC) converter
05/02/2012CN102437751A Power device with pre-bias voltage control function
05/02/2012CN102437730A Anti-ringing circuit applied to high-voltage boosting type DC-DC (Direct Current to Direct Current) converter
05/02/2012CN102437729A Noise reduction method of switch power supply
05/02/2012CN102437728A Power factor correcting and converting method and device for eliminating power frequency ripple waves by peak load shifting
05/02/2012CN102437727A Boost power factor correction (PFC) controller
05/02/2012CN102437726A Passive power factor (PF) correction circuit