Patents for H02M 1 - Details of apparatus for conversion (33,954)
11/2008
11/26/2008EP1995857A1 Deadbeat control method for a three-phase inverter with an RLC filter, storage means for said method and railway vehicle
11/26/2008EP1995856A2 A method for communication between a low potential level and a valve located on high voltage potential in a high voltage converter station as well as a device for such a communication
11/26/2008EP1994460A1 A power converter
11/26/2008EP1485983A4 Apparatus and method for filtering voltage for an electrostatic precipitator
11/26/2008EP1023765B1 Method and apparatus for reducing power loss in power conversion circuitry
11/26/2008CN201156709Y Electric power adapter and portable electronic apparatus
11/26/2008CN201156708Y Power adapter having active power factor correcting function
11/26/2008CN201156704Y Thyristor component monitoring controller of soft starting device
11/26/2008CN201156703Y Power module cascading converter valve
11/26/2008CN201156702Y Wiring column of DC/AC converter of automobile
11/26/2008CN201156701Y Electric power construction having switch power supply module
11/26/2008CN201156232Y Power source protector for computer
11/26/2008CN101313455A Method for operating a converter circuit, and device for carrying out the method
11/26/2008CN101313263A Pre-biased circuit for synchronous rectified power converters
11/26/2008CN101312330A High voltage power source of resonant transformer
11/26/2008CN101312329A High-frequency AC electric power controller
11/26/2008CN101312328A Bootstrap capacitor charging circuit and driving integrated circuit using the same
11/26/2008CN101312324A Power module for ac/ac power conversion
11/26/2008CN101312323A Power rectifier
11/26/2008CN100438320C Power converter
11/26/2008CN100438303C Five-level double step-down full bridge inverter
11/26/2008CN100438299C Power supply having multi-vector error amplifier for power factor correction
11/26/2008CN100438288C Method for raizing drive circuit reliability and large power drive circuit
11/26/2008CN100438286C Dual-tube dual-forward-excitation boosting type single-stage power factor correction circuit
11/26/2008CN100438285C Power factor correcting circuit and method with frequency control
11/26/2008CN100438284C Switch-mode power supply device
11/26/2008CN100438283C High-side transistor driver for power converters
11/26/2008CN100438282C Crystal brake pipe valve photoelectric contact plate high potentiometer energy feeding device
11/26/2008CN100437409C Single-stage pfc + ballast control circuit/general purpose power converter
11/25/2008US7457141 AC adaptor
11/25/2008CA2358418C Phase converter
11/20/2008WO2008141092A2 Dynamic voltage sag correction
11/20/2008WO2008138863A2 Network filter for a converter for connection of the converter to a three-phase supply network
11/20/2008WO2008138391A1 Circuit arrangement and method for the operation of at least one discharge lamp
11/20/2008US20080285315 Power supply apparatus and electronic device having the power supply apparatus
11/20/2008US20080284252 Control methods for the synchronization and phase shift of the pulse width modulation (PWM) strategy of power converters
11/20/2008DE102007021978A1 Aktives Kompensationsfilter Active compensation filter
11/20/2008DE102004014752B4 Halbleiterbauelement mit kernlosem Wandler und Halbbrücke Semiconductor component with coreless transformer and half-bridge
11/20/2008CA2687696A1 Dynamic voltage sag correction
11/19/2008EP1993195A2 Heated frequency converter assembly
11/19/2008EP1992065A1 Device for simulating the symmetrical and asymmetrical impedance of an asynchronous machine
11/19/2008EP1761832B1 Method and circuit for active power factor correction
11/19/2008EP1145413B1 Arrangement for eliminating radio interferences in an electronic power regulator
11/19/2008EP1138108B1 Device for energizing a voltage-source converter
11/19/2008CN201153242Y Bias magnetic saturation resisting inverted full bridge topology circuit
11/19/2008CN101310240A Management of regulator-induced switching noise for sampled systems
11/19/2008CN101309529A Intelligent control apparatus and method for high-power energy saving electromagnetic stove
11/19/2008CN101309053A Power supply apparatus and electronic device having the power supply apparatus
11/19/2008CN101309051A High power AC frequency conversion apparatus special for downhole
11/19/2008CN101309050A Bidirectional no load control with overshoot protection
11/19/2008CN101309047A Electric power conversion device
11/19/2008CN101309046A Method of forming a PWM controller and structure therefor
11/19/2008CN101309045A Equalizer circuit of electric power indication, auxiliary power start and electrolytic capacitor
11/19/2008CN101309044A Three-phase controllable silicon phase shift trigger pulse control circuit
11/19/2008CN101309043A Power conversion device
11/19/2008CN101308317A Projector possessing protection mechanism
11/19/2008CN101306653A Traction power supply equipment based on PWM rectifier and control method
11/19/2008CN100435466C DC-AC converter parallel operation system and controller IC therefor
11/19/2008CN100435458C Pulse width modulation switching power supply circuit with switching point noise suppression function
11/19/2008CN100435457C Method and circuit for power factor correction(PFC)
11/19/2008CA2631174A1 Control methods for the synchronisation and phase shift of the pulse width modulation (pwm) strategy of power converters
11/18/2008US7454663 Method and circuitry for debugging/updating ROM
11/18/2008US7453330 Line filter
11/13/2008WO2008137684A1 Switching power converter with efficient switching control signal period generation
11/13/2008WO2008137656A2 Power factor correction controller with feedback reduction
11/13/2008WO2008137654A1 System and method with inductor flyback detection using switch gate charge characteristic detection
11/13/2008WO2008137652A1 Power factor correction controller using a nonlinear delta- sigma modulator
11/13/2008WO2008137372A1 System and method for controlling harmonics injected onto an input line by a welding-type system
11/13/2008WO2008137315A1 Power factor correction (pfc) controller and method using a finite state machine to adjust the duty cycle of a pwm control signal
11/13/2008WO2008136702A1 Electrofiltre
11/13/2008US20080278984 Automatic zero voltage switching mode controller
11/13/2008US20080278982 Power Factor Correction Boost Circuit
11/13/2008US20080278977 Method for operating a converter circuit, and device for carrying out the method
11/13/2008DE102007056750A1 Elektronische Steuervorrichtung Electronic control means
11/13/2008DE102007052143A1 Halbleitervorrichtung Semiconductor device
11/12/2008EP1990901A2 Resonance type electric power conversion apparatus and method
11/12/2008EP1990900A1 System and method for controlling input line harmonics in a motor drive
11/12/2008EP1989440A2 Energy supply for a blade adjustment device pertaining to a wind energy installation
11/12/2008CN201150034Y Switch power supply for frequency convertor
11/12/2008CN201150031Y Switch power supply
11/12/2008CN201150030Y Low noise DC step-down circuit
11/12/2008CN201150029Y Power supplier for radiating device with modulation pulse width
11/12/2008CN201150001Y Voltage, current recuperating apparatus for medium voltage power distribution network
11/12/2008CN101304247A Multi-period random digit pulse-width modulation circuit and method
11/12/2008CN101304222A AC/DC switching circuit
11/12/2008CN101304219A Modulation circuit and modulation software for outputting waveform of frequency transformer
11/12/2008CN101304217A Switch power supply for chain type convertor power unit controller
11/12/2008CN101304211A Switch power supply device
11/12/2008CN101304210A Method and circuit for diagnosing Boost convertor electromagnetic interference mechanism
11/12/2008CN101304209A Semiconductor device
11/12/2008CN101303796A System for transmitting control signal of high voltage frequency converter power unit
11/12/2008CN100433526C Three-level double step-down full bridge inverter
11/12/2008CN100433517C Switching power supply unit
11/12/2008CN100433513C Method for controlling power-factor correct circuit
11/11/2008US7450405 DC/AC converter with dampened LCL filter distortions
11/11/2008US7450403 Switching power supply utilizing switch-selectable resistors to determine output voltage
11/11/2008US7450390 Programmable power supply
11/11/2008US7450388 Power converter connection configuration
11/06/2008WO2008132501A2 Switching power converters
11/06/2008WO2008092152A3 Common mode and differential mode filter for variable speed drive