| 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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| 01/12/2011 | CN201708699U Cable plugging type energy taking power supply |
| 01/12/2011 | CN101946393A Ac/ac conversion power supply device |
| 01/12/2011 | CN101944855A Digital control power supply converter for kitchen range |
| 01/12/2011 | CN101944854A Novel frequency conversion device |
| 01/12/2011 | CN101944853A Green power inverter |
| 01/12/2011 | CN101527518B Frequency converter device with high-resolution variable voltage/frequency control |
| 01/12/2011 | CN101345470B Current transformer |
| 01/12/2011 | CN101188385B A five-level high-voltage frequency converter |
| 01/12/2011 | CN101043768B Booster circuit, power-supply unit, and image forming apparatus using the same |
| 01/11/2011 | US7869233 Voltage conversion device and computer-readable recording medium having program recorded thereon for computer to control voltage conversion by voltage conversion device |
| 01/11/2011 | US7869232 Electric power converter suppressing output voltage variation due to input voltage fluctuation |
| 01/11/2011 | CA2455352C Energy converting device |
| 01/06/2011 | WO2011001146A1 A capacitive impedance decoupling ac power controller |
| 01/05/2011 | EP2270968A1 Power Transmission Method and Power Transmission Apparatus |
| 01/05/2011 | DE102009033026A1 Electronic commutating electric motor has network rectifier for rectifying network changeover voltage to intermediate circuit-direct current voltage, and has commutating electronics for controlling three-standed motor coil |
| 01/05/2011 | CN201699595U Unidirectional matrix converter with controllable energy supplement |
| 01/05/2011 | CN201699594U Electronic induction coil |
| 01/05/2011 | CN201699593U Railway signal power supply of 25 Hz with postpositional isolation transformer |
| 01/05/2011 | CN101939902A Converter |
| 01/05/2011 | CN101939901A Power converting device |
| 01/05/2011 | CN101938250A Adjustable frequency drive and system |
| 01/05/2011 | CN101938222A Power supply device and backlight system for supplying backlight to display device |
| 01/05/2011 | CN101938217A Adaptive pulse width modulation solution of wind driven generator converter |
| 01/05/2011 | CN101938216A Power transmission method and power transmission apparatus |
| 01/05/2011 | CN101938215A Voltage detection control device and method |
| 01/05/2011 | CN101183616B AC controller for electromagnetic switches |
| 12/30/2010 | US20100328978 Variable frequency transformer having multiple horizontal rotary transformers with common controls and voltage infrastructure and method |
| 12/30/2010 | US20100328883 Pluggable Power Cell For An Inverter |
| 12/30/2010 | US20100327793 Power transmission method and power transmission apparatus |
| 12/29/2010 | EP2265532A1 Power supply apparatus and power supply arrangement |
| 12/29/2010 | CN201690366U Alternating current high-potential electric field generating device for fresh-keeping, freezing and refrigeration |
| 12/29/2010 | CN201690266U Vehicle-mounted alternating-current uninterrupted power supply |
| 12/29/2010 | CN201685719U Power van for electrified railway track maintenance vehicles |
| 12/29/2010 | CN101933219A Power transformer |
| 12/29/2010 | CN101932181A Cold cathode fluorescent energy-saving lamp circuit |
| 12/29/2010 | CN101931239A Box-type transformation unit comprising bus connecting devices |
| 12/29/2010 | CN101572495B Multifunctional power electric transformer |
| 12/29/2010 | CN101534062B Improved dual voltage control method and device thereof for matrix converters |
| 12/29/2010 | CN101128972B Supply power adjusting apparatus and semiconductor manufacturing apparatus and its manufacture method |
| 12/29/2010 | CN101127489B Switch power supply |
| 12/28/2010 | US7859865 Method and apparatus for conditional response to a fault condition in a switching power supply |
| 12/28/2010 | US7859229 Discharge device |
| 12/23/2010 | WO2010145706A1 An arrangement for exchanging power |
| 12/23/2010 | US20100321965 Direct power converting apparatus |
| 12/23/2010 | CA2763930A1 An arrangement for exchanging power |
| 12/22/2010 | CN201682642U Intelligent super-frequency translation magnetic current heating device |
| 12/22/2010 | CN201682456U Inductive variable-frequency speed governor |
| 12/22/2010 | CN201682425U Automatic frequency conversion numerically-controlled and digitally-displayed efficient energy-saving MHF power source |
| 12/22/2010 | CN201682424U Constant voltage and constant frequency alternating current (AC) power supply device for ship |
| 12/22/2010 | CN201682423U Resonant-type precharge circuit for high-voltage frequency converter |
| 12/22/2010 | CN201682422U Adjustable three-phase current power supply of complete equipment test bed |
| 12/22/2010 | CN201682421U Series capacitance voltage reduction device |
| 12/22/2010 | CN201682292U Chopping device based on low-voltage ride-through |
| 12/22/2010 | CN101924477A Power source circuit and projection display device |
| 12/22/2010 | CN101924476A Single-phase alternating current converter of intermediate alternating current voltage |
| 12/22/2010 | CN101924475A One-way matrix converter capable of controlling energy supplement and control method thereof |
| 12/22/2010 | CN101924474A Underwater high-frequency electric field communication technique |
| 12/22/2010 | CN101286708B Converter-inverter apparatus |
| 12/22/2010 | CN101119074B Electric network electric voltage drop generator |
| 12/21/2010 | US7855905 Digital power supply controller with integrated microcontroller |
| 12/21/2010 | US7855900 Method and arrangement in connection with half-controlled network bridge |
| 12/21/2010 | US7855516 Controllable power supply circuit for an illumination system and methods of operation thereof |
| 12/16/2010 | WO2010144805A1 A versatile distribution transformer |
| 12/16/2010 | WO2010142961A1 Improvements in the distribution and utilisation of electrical energy in industrial processes |
| 12/16/2010 | US20100315845 Power source circuit and projection display device |
| 12/16/2010 | CA2765160A1 A versatile distribution transformer |
| 12/15/2010 | EP2262089A1 System for operating a wind turbine power converter |
| 12/15/2010 | CN201674457U High voltage frequency conversion power unit of stacking busbar structure |
| 12/15/2010 | CN201674415U Switching power supply for a frequency converter |
| 12/15/2010 | CN201674407U Three-phase four-wire variable-frequency sinusoid power supply device without partial discharge |
| 12/15/2010 | CN201674406U High-power switching power supply device |
| 12/15/2010 | CN201674405U High voltage frequency converter with four-quadrant operation function |
| 12/15/2010 | CN201674404U Power supply device converting single phase to three phases |
| 12/15/2010 | CN201674403U Voltage transformation system |
| 12/15/2010 | CN201674233U Water cooling electronic phase advancer |
| 12/15/2010 | CN201674212U Overvoltage protection circuit of a switch power supply and its corresponding switch power supply |
| 12/15/2010 | CN101917126A Voltage-equalizing and power-equalizing control method for multi-module cascade solid-state transformer |
| 12/15/2010 | CN101917125A Detachable underground high-voltage explosion-proof frequency converter |
| 12/15/2010 | CN101917124A Power supply device |
| 12/15/2010 | CN101419861B Large capacity single body phase angle regulator |
| 12/15/2010 | CN101317324B Power supply device and light-emitting device and electronic equipment using such power supply device |
| 12/15/2010 | CN101310434B Power converters |
| 12/15/2010 | CN101119073B Control method for direct power converter |
| 12/14/2010 | US7851942 Circuit arrangement for supplying variable loads from three phases |
| 12/09/2010 | WO2010099459A3 A hybrid distribution transformer with an integrated voltage source converter |
| 12/09/2010 | US20100309692 Power conditioning units |
| 12/09/2010 | US20100308787 Apparatus and method for pulse sampling control |
| 12/09/2010 | US20100308584 Integrated wind turbine controller and inverter |
| 12/09/2010 | DE102009023694A1 Frequency converter for use in energy distribution system in e.g. hospital, has connecting unit comprising electrical interface that is formed to produce electrical connection with another converter |
| 12/09/2010 | DE102009023505A1 Schaltungsanordnung für einen Piezotransformator und dazugehörendes Verfahren Circuit for a piezoelectric transformer and Related, method |
| 12/08/2010 | CN201667616U Multiple power supply load circuit |
| 12/08/2010 | CN201667615U Power frequency high-voltage power supply control circuit |
| 12/08/2010 | CN1701500B Three-phase power converter and power converter |
| 12/08/2010 | CN1625038B Cooling device and conversion device |
| 12/08/2010 | CN101908826A Three-phase voltage changer |
| 12/08/2010 | CN101908825A Novel ultralow frequency power supply |
| 12/08/2010 | CN101442253B Three-phase/biphase coordinates conversion circuit for frequency changer |
| 12/07/2010 | US7848127 Direct-current power supply apparatus with improved power factor |
| 12/07/2010 | US7848121 Advanced matrix converter and method for operation |
| 12/02/2010 | WO2010091260A3 A hybrid distribution transformer with ac & dc power capabilities |