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