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