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