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)
09/2013
09/04/2013CN203180787U Low frequency electric slag furnace power supply apparatus for transferring three phase into single phase
09/04/2013CN203180786U Electromechanical converter capable of timing and regulating voltage
09/04/2013CN203180785U Frequency-modulation AC boosting device
09/04/2013CN203180784U Voltage-regulating power saving device
09/04/2013CN103280988A Driving power source and driving method of multifunctional piezoelectric pump based on FPGA
09/04/2013CN103280987A Voltage-equalizing and power-equalizing control method for three-phase multi-module cascade solid-state transformer
09/04/2013CN103280986A Frequency converter with anti-toppling switch
09/04/2013CN103280985A Frequency converter capable of adjusting fan delivery
09/04/2013CN103280984A Cascade connection type current transformer based on single-stage power transformation module
09/04/2013CN103280983A Power source system of cable formation tester for oil well logging
09/04/2013CN103280982A Control method for motor testing variable-frequency power supply
09/04/2013CN103280981A Device and method for high-voltage current step-down
09/04/2013CN103280980A Digital power supply device for leakage protector detection system
09/04/2013CN103280953A Two-circuit power supplying module and two-circuit power supplying inverter
09/04/2013CN103279161A Voltage regulation circuit
09/04/2013CN102395238B Double-Moss tube asynchronous control HID transformer frequency output apparatus
09/04/2013CN102291010B Series bus type multi-DC output high voltage high frequency isolated power supply
09/04/2013CN101939901B Power converting device
09/03/2013US8526208 Electrical circuit, in particular used for generating electrical power
09/03/2013US8526205 Photovoltaic power conditioning units
08/2013
08/29/2013US20130223110 Power conversion system and associated method
08/29/2013DE102012203103A1 Spannungsumwandlungsvorrichtung Voltage conversion device
08/28/2013EP2632040A1 Transformer configuration for a back-to-back converter
08/28/2013CN203166787U Boost circuit without switch device
08/28/2013CN203166771U Power source conversion device having energy saving loop
08/28/2013CN203166770U High voltage frequency converter having overvoltage protection function
08/28/2013CN203166769U High voltage frequency converter having rotating speed tracking and starting function
08/28/2013CN203166768U High voltage frequency converter having fault automatic alarm function
08/28/2013CN203166767U Multiplex series rectification high voltage frequency converter
08/28/2013CN203166764U Intelligent multipath switch power supply
08/28/2013CN103269166A Frequency converter with pre-charging protection function
08/28/2013CN102130455B Shore-based variable frequency power supply system
08/28/2013CN101847831B Power distribution cabinet
08/27/2013US8520419 Current controlled power converter
08/27/2013US8520417 DC voltage regulator
08/22/2013WO2013122581A1 A modular three-phase online ups
08/22/2013WO2013024039A3 Method and system for controlling hydroelectric turbines
08/22/2013WO2013024037A3 Method and system for controlling hydroelectric turbines
08/22/2013WO2013024034A3 Method and system for controlling hydroelectric turbines
08/22/2013US20130215652 Power converter apparatus
08/22/2013US20130215651 Isolated Power Converter Circuit and Control Method Thereof
08/22/2013US20130214717 Power conversion apparatus
08/22/2013US20130214596 Management of an electric power generation and storage system
08/21/2013CN203151384U Intermediate-frequency and line-frequency power supply conversion device
08/21/2013CN203151383U Power supply device
08/21/2013CN203151382U High/middle-voltage converter device, wind and photovoltaic power generation system and uninterruptible power system
08/21/2013CN203151192U 10kW-grade electric energy conversion system
08/21/2013CN103259434A Primary side single-phase bridge-subsidiary side three-phase bridge high frequency chain inverter and digital control system thereof and method thereof
08/21/2013CN103259419A Power regeneration device and power conversion device
08/21/2013CN103259418A Electrical motor test variable-frequency power source system
08/21/2013CN103259417A Novel magnetic voltage regulating power source and electricity-saving method thereof
08/21/2013CN103259416A Magnetic voltage regulation power supply and power saving method thereof
08/21/2013CN102055346B Switch power supply circuit
08/20/2013US8514599 Apparatus and method for controlling switch of flyback converter for solar generating system
08/20/2013CA2504440C Uninterrupted power supply with power-factor correcting bypass mode
08/15/2013WO2013083761A3 Asynchronous motor unit comprising a frequency converter with electrical isolation in the dc voltage intermediate circuit
08/15/2013US20130208516 Power conversion equipment
08/15/2013US20130208515 Ac side soft charge circuit for variable frequency drives
08/14/2013EP2625777A2 Rectifier circuit
08/14/2013EP2625776A2 Method and device to protect an esp power supply from transient over-voltages on the power grid
08/14/2013CN203135732U Middle and high voltage electric energy conversion system
08/14/2013CN203135731U Ultrasonic cleaning power supply system
08/14/2013CN203135730U Variable frequency power supply special for diving equipment
08/14/2013CN103248241A Circuit arrangement for current converter, and method for operating a current converter
08/14/2013CN103248240A Experimental power supply system for high-voltage electric pump
08/14/2013CN103248239A Integrated transformers
08/14/2013CN103248210A Power synchronous control method for reducing secondary fluctuations of direct current side voltage
08/14/2013CN103248070A Energy transmission system of wind turbine generator system
08/14/2013CN103241138A Low-frequency traction power supply system
08/14/2013CN102185492B Seven-level medium-voltage frequency converter for electric submersible pump
08/14/2013CN101746283B Electrified railroad homo-phase traction power supply system
08/13/2013US8508210 Apparatus and method for pulse sampling control
08/08/2013WO2013116374A1 Independently adjustable current and voltage ac-ac converter
08/08/2013US20130201733 Isolated dynamic current converters
08/08/2013US20130201732 Variable speed drive provided with a supercapacitor module
08/08/2013US20130200862 Methods and apparatus for supplying three phase power
08/08/2013US20130200719 Control device and wireless power transmitting apparatus
08/08/2013DE202013004937U1 Frequenzumrichter und Antriebseinheit Frequency and power unit
08/08/2013DE102012100951A1 Schaltungsanordnung für Stromrichter mit Zwischenkreis, sowie Verfahren zum Betreiben eines Stromrichters Circuitry for power converter with DC and method for operating a power converter
08/08/2013DE102012002089A1 Antriebssystem mit Energiespeicher und Verfahren zum Betreiben eines Antriebssystems Drive system with energy storage and method of operating a drive system
08/07/2013EP2624431A1 Method for measuring link voltage
08/07/2013EP2624430A1 Converter with multilevel output and multiwinding generator providing input
08/07/2013CN203120197U Full air cooling type digital induction heating power supply
08/07/2013CN203119838U High-performance four-quadrant frequency converter
08/07/2013CN203119782U Electromagnetic transmitter
08/07/2013CN203119775U Online uninterrupted power source (UPS) with digital processing control
08/07/2013CN203119774U Power adapter circuit
08/07/2013CN203119773U A current-converting and energy-storing control device of an off-grid wind turbine generator system
08/07/2013CN203119772U Constant output power supply circuit
08/07/2013CN203119771U Variable-frequency drive with automatic voltage stabilization function
08/07/2013CN203119770U Multi-motor-driving frequency-converting and energy-saving device based on common DC bus and pumping unit
08/07/2013CN203118748U Novel transformer and novel transformer operation system
08/07/2013CN203110958U Shore power system for port-of-call ship
08/07/2013CN103236706A Battery energy storage system based on modular multilevel AC-AC (Alternating Current-Alternating Current) converter topology
08/07/2013CN102361405B 110kV rectifier transformer insulation structure special for silicon carbide production
08/06/2013US8503199 AC/DC power converter with active rectification and input current shaping
08/06/2013CA2671823C Modular power converters usable alone or in a multiphase power converter
08/06/2013CA2569996C Apparatus and methods for regulating delivery of electrical energy
08/06/2013CA2439355C Mobile power generation system
08/01/2013WO2013112609A1 Switch wear leveling
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