Patents for H02M 5 - Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases (13,094) |
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11/21/2012 | CN101860055B Switching tube control method for UPS |
11/21/2012 | CN101836352B Power conversion device |
11/21/2012 | CN101382814B PWM controlled RC step-down power supply circuit based on feedback |
11/21/2012 | CN101312324B Power module for ac/ac power conversion |
11/20/2012 | US8315077 Matrix converter space vector modulation method |
11/15/2012 | WO2012128930A3 Modular reconfigurable polyphase power transformer |
11/15/2012 | WO2012123365A3 Power generation unit driver, power generation unit and energy output equipment in power grid |
11/15/2012 | US20120286708 Reverse recovery current prevention device and motor driving apparatus |
11/15/2012 | US20120286585 High-frequency (hf) voltage supply system and method for supplying a multipole mass spectrometer with the hf ac voltage used to generate a multipole field |
11/14/2012 | EP2523336A2 Load resonant type power supply for ozonizer |
11/14/2012 | EP2523335A1 Rectifier switch assembly, frequency inverter and method for its operation |
11/14/2012 | EP2523334A1 Frequency inverter and method for operating same |
11/14/2012 | EP2523333A1 Frequency inverter with a control device for a regulated pre-charge and method for operating the same |
11/14/2012 | EP2523332A1 Frequency inverter with precharge series resistor and method for operating same |
11/14/2012 | EP2523331A1 Frequency inverter with ground fault protection and method for operating same |
11/14/2012 | EP2523330A2 Matrix converter |
11/14/2012 | EP2523324A1 Frequency inverter with commutation chokes and method for operating same |
11/14/2012 | EP2523323A1 Frequency inverter with common mode choke and method for operating same |
11/14/2012 | EP2523295A1 Frequency inverter with excess voltage protection for an emergency shutdown and method for operating the same |
11/14/2012 | EP2522481A1 Injection molding machine |
11/14/2012 | CN202535287U Series solar battery power source inverting system |
11/14/2012 | CN202535279U UPS power supply based on self-coupling phase-shifting transformer and double-six pulse rectification |
11/14/2012 | CN202535267U Digital television set top box power conversion circuit |
11/14/2012 | CN202535266U Digital television set top box power circuit |
11/14/2012 | CN202534493U Auto-coupling voltage regulating single-phase electric furnace transformer bank |
11/14/2012 | CN202534492U Self-coupling pressure-regulating single-phase electric furnace transformer |
11/14/2012 | CN102781712A Power semiconductor module, electric power converter, and railway vehicle |
11/14/2012 | CN102780407A Electromagnetic system self-aid control power supply for electrical equipment |
11/14/2012 | CN102780404A Automatic motor current regulation frequency converter |
11/14/2012 | CN102780403A Single-phase trailing edge chopper voltage regulator |
11/14/2012 | CN102780402A Matrix converter |
11/14/2012 | CN102774294A Energy feedback type traction power supply device based on series compensation transformer |
11/14/2012 | CN101951164B Single-phase AC converter for intermediate DC voltages |
11/14/2012 | CN101924475B One-way matrix converter capable of controlling energy supplement and control method thereof |
11/14/2012 | CN101682265B A control system for a compressor actuated by an electric motor |
11/14/2012 | CN101669274B Power converter apparatus and method using neutral coupling circuits with interleaved operation |
11/14/2012 | CN101102085B Power converter circuit for a high-voltage direct voltage connection |
11/13/2012 | US8310848 Direct AC power converting apparatus |
11/08/2012 | WO2012150962A1 Full wave ac/dc voltage divider |
11/07/2012 | EP2519419A1 Mining vehicle and method for its energy supply |
11/07/2012 | CN202524304U Wind power generation buck-boost circuit controlled by single-chip microcomputer |
11/07/2012 | CN202524303U Traction converter |
11/07/2012 | CN202524302U High voltage power supply module with small volume, high precision and high reliability |
11/07/2012 | CN102769390A Power regul power supply |
11/07/2012 | CN102769389A Transformer-free series voltage quality regulator based on parasitic booster circuit and control method of regulator |
11/07/2012 | CN102769388A Power module of communication system |
11/07/2012 | CN101924476B Single-phase alternating current converter of intermediate alternating current voltage |
11/07/2012 | CN101702863B Frequency-modulation electronic ballast for dimmable fluorescent lamp |
11/06/2012 | US8305780 Power conversion apparatus controlling output of inverter based on power value |
11/06/2012 | US8305779 Parallel-connected uninterrupted power supply circuit |
11/01/2012 | WO2012078537A3 Control system for regulating bus voltage for an electric shovel |
11/01/2012 | US20120275200 Resonant Circuit Inverter With Controllable Operating Point |
11/01/2012 | US20120274155 Power adapters for powering and/or charging peripheral devices |
10/31/2012 | DE102008034989B4 Schaltungsanordnung und Verfahren zur Steuerung der Leistungsaufnahme von Beleuchtungsanlagen mit Wechselspannungsspeisung Circuit arrangement and method for controlling the power consumption of lighting systems with alternating current supply |
10/31/2012 | CN202513927U Power supply and information transmission collineation device |
10/31/2012 | CN202513843U Full-bridge grid-connected inverter |
10/31/2012 | CN202513832U Space vector pulse width modulation (SVPWM) frequency conversion device based on digital signal processor (DSP) |
10/31/2012 | CN202513831U Natural free-wheeling alternating current (AC) chopper main circuit structure |
10/31/2012 | CN202513830U High-power power supply with double power amplifiers |
10/31/2012 | CN102761270A Scanning power supply for generating exciting current |
10/31/2012 | CN102761269A Power unit and frequency converter |
10/31/2012 | CN102761268A Portable wide-voltage TK device control box |
10/31/2012 | CN102761085A Direct-current ice-melting power supply topology |
10/31/2012 | CN102755931A Variable-frequency medium-frequency power supply for electrostatic dust collection |
10/31/2012 | CN101584106B System and method to extend synchronous operation of an active converter in a variable speed drive |
10/30/2012 | US8300435 Transmission system and a method for control thereof |
10/30/2012 | US8300432 Power converter utilizing a RC circuit to conduct during the rising edge of the transformer voltage |
10/29/2012 | CA2772397A1 Resonant circuit inverter with controllable operating point |
10/26/2012 | DE202012103742U1 Einphasendrossel-Energiesparvorrichtung Einphasendrossel energy saving device |
10/25/2012 | US20120271572 Variable frequency drive and methods for filter capacitor fault detection |
10/25/2012 | US20120268969 Dc-ac inverter with high frequency isolation transformer |
10/25/2012 | DE102011007696A1 Matrix-Umrichter und Verfahren zum Erzeugen einer Wechselspannung in einem zweiten Wechselspannungsnetz aus einer Wechselspannung in einem ersten Wechselspannungsnetz mittels eines Matrix-Umrichters Matrix converter and method of generating an AC voltage in a second AC voltage from an alternating voltage network in a first alternating-voltage network by means of a matrix converter |
10/25/2012 | CA2775817A1 Charging station for electric vehicles |
10/24/2012 | EP2514087A1 Method for operating a direct converter circuit and device for carrying out the method |
10/24/2012 | CN202503446U Structure of power unit in universal type converter |
10/24/2012 | CN202503445U Frequency converter dedicated to feeding of link plate of pulper |
10/24/2012 | CN202503444U Simple electrical source device |
10/24/2012 | CN102754323A Method for operating a direct converter circuit and device for carrying out the method |
10/24/2012 | CN102751882A Three-phase neutral-point clamped four-quadrant operation three-level power supply conversion device |
10/24/2012 | CN102751881A Auxiliary power circuit of two-line light modulator |
10/24/2012 | CN102751880A Method for controlling auxiliary source circuit of two-line light modulator |
10/24/2012 | CN102749493A Frequency converter, and method and device for detecting output voltage of same |
10/24/2012 | CN101895205B Transducer |
10/24/2012 | CN101340151B Power source and arc component processing power source |
10/23/2012 | US8295067 Power converter using a rectifier with normally on transistors |
10/18/2012 | WO2012141609A1 Capacitive voltage divider for hermetically sealed unitized distribution devices |
10/18/2012 | WO2012084946A3 Power supply circuit for full-wave low voltages, and corresponding electronic circuit |
10/18/2012 | WO2012084389A3 Power converter equipped at the output with a filtering device |
10/18/2012 | WO2012013329A3 Dual-switch current converter |
10/18/2012 | DE102011007197A1 Elektrische Schaltung zur potentialgetrennten Energieübertragung Electric circuit for electrically isolated power transmission |
10/17/2012 | EP2512022A2 Electrical circuit for potential-separated energy transmission |
10/17/2012 | EP2510757A2 Driver circuit for driving a load circuit |
10/17/2012 | CN202495884U Rectification and energy feedback device |
10/17/2012 | CN202495881U Low-voltage power supply system of track trolley |
10/17/2012 | CN202495880U Power conversion device |
10/17/2012 | CN202495811U Power supply circuit for chain-type SVG module |
10/17/2012 | CN102742146A Braking device for a universal motor |
10/17/2012 | CN102739153A Variable speed drive with optimized architecture |
10/17/2012 | CN102739084A Electric-energy converted electric-power energy electricity symbiosis apparatus |
10/17/2012 | CN102739071A Method for controlling direct current capacitor voltage of modular multi-level converter based on circulating current decoupling |