| 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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| 06/05/2013 | CN202978720U Phase-change switch device |
| 06/05/2013 | CN202978719U A variable-frequency power supply |
| 06/05/2013 | CN202978718U Matrix type converter |
| 06/05/2013 | CN202978675U Frequency converter for textile industry |
| 06/05/2013 | CN202978268U Special-purpose single-phase-to-three-phase power source equipment for electrified railway |
| 06/05/2013 | CN202977064U Reactor, filter provided with reactor, as well as four-quadrant current transformer |
| 06/05/2013 | CN202971231U Power equipment for supplying power to fan |
| 06/05/2013 | CN103141020A Dual-switch current converter |
| 06/05/2013 | CN103140444A Method and apparatus for igniting silicon rods outside a cvd-reactor |
| 06/05/2013 | CN103138599A Operational control method for two-stage matrix converter |
| 06/05/2013 | CN103138598A Power supply device and arc machining power supply device |
| 06/05/2013 | CN103138597A Novel 12 single-direction switch single-stage alternating current-alternating current converter and control method of the same |
| 06/05/2013 | CN103138596A Inverter device and air conditioner including the same |
| 06/05/2013 | CN103138595A Control system and method of NPC (neutral point clamping) converter |
| 06/05/2013 | CN103138594A Control system, control method and compensation control unit of NPC (neutral point clamping) converter |
| 06/05/2013 | CN103138593A Power supplier |
| 06/05/2013 | CN103138592A Improved alternative current-alternative current frequency converter system through utilization of phase-shifting transformer |
| 06/05/2013 | CN103138591A Voltage balance control method and device for three-level conversion neutral point, and three-level converter |
| 06/05/2013 | CN102338816B Resistance-capacitance power supply for tri-manganin electric energy meter |
| 06/05/2013 | CN102133676B Voltage-type PWM (pulse-width modulation) half-bridge hard switching inversion-type welding and cutting machine |
| 06/05/2013 | CN101854114B Power supply module |
| 06/05/2013 | CN101636034B Device and method for AC uninterrupted arc power supply |
| 06/05/2013 | CN101304234B Power converters |
| 05/30/2013 | WO2013076937A1 Ac conversion circuit |
| 05/30/2013 | US20130134710 System and method for converter switching frequency control |
| 05/30/2013 | US20130133358 Inverter device and air conditioner including the same |
| 05/29/2013 | EP2597767A2 Inverter device and air conditioner including the same |
| 05/29/2013 | EP2596980A2 Multiple point frequency converter with brake chopper |
| 05/29/2013 | EP2595918A1 Method and apparatus for igniting silicon rods outside a cvd-reactor |
| 05/29/2013 | DE102011087002A1 Driving system for use in e.g. vehicle drive, has control unit controlling electronic circuit and/or inverter such that current flows from energy storage to circuit and/or to inverter, where electric energy is changed into thermal energy |
| 05/29/2013 | CN202957756U Hybrid two-stage matrix conversion topological device |
| 05/29/2013 | CN202957755U Frequency conversion adjustment device of ozonizer |
| 05/29/2013 | CN202957754U Voltage conversion device |
| 05/29/2013 | CN202957753U Converter with built-in brake unit |
| 05/29/2013 | CN202957752U Inverter |
| 05/29/2013 | CN202957751U Frequency changer |
| 05/29/2013 | CN103124141A Special high-stability variable frequency power supply for measuring and checking power maintenance testing device |
| 05/29/2013 | CN103124140A Power converter and DC choke therefor |
| 05/29/2013 | CN101359874B Driver switch for an inverter with intermediate circuit |
| 05/28/2013 | US8451637 Power transfer devices, methods, and systems with crowbar switch shunting energy-transfer reactance |
| 05/28/2013 | US8450961 Power converting apparatus |
| 05/28/2013 | DE202011110289U1 Stufenschalter Tap changer |
| 05/28/2013 | CA2481576C Clean common powerbus variable frequency drive system |
| 05/23/2013 | WO2013074358A1 Power converter based on h-bridges |
| 05/23/2013 | WO2013074109A2 Monolithic de/dc power management module with surface fet |
| 05/23/2013 | WO2013072908A1 Method and converter for converting high voltage dc to pulsating ac voltage |
| 05/23/2013 | WO2012104232A3 Stepping switch |
| 05/23/2013 | US20130128632 Neutral point clamped converter control system and control method and compensation unit |
| 05/23/2013 | US20130128628 Power system controlling and monitoring power semiconductor devices employing two serial signals |
| 05/23/2013 | US20130127381 Regenerative variable frequency drive |
| 05/23/2013 | US20130126482 Power supply device and arc machining power supply device |
| 05/23/2013 | CA2856206A1 Power converter based on h-bridges |
| 05/22/2013 | EP2595295A1 Single-phase to three-phase voltage converter |
| 05/22/2013 | CN202949366U Modular structure of three-level converter for wind power generation |
| 05/22/2013 | CN202949365U Modular structure inverter |
| 05/22/2013 | CN103117662A PWM (pulse width modulation) chopping NC (numerical control) AC (Alternating Current) power supply |
| 05/21/2013 | US8446745 Power transfer devices, methods, and systems with crowbar switch shunting energy-transfer reactance |
| 05/21/2013 | US8446741 Multiple driver power supply |
| 05/18/2013 | CA2795737A1 Regenerative variable frequency drive |
| 05/16/2013 | WO2013070094A2 A method for controlling a converter |
| 05/16/2013 | WO2013067967A1 Semiconductor electricity converter |
| 05/16/2013 | WO2013067800A1 Megawatt direct drive type squirrel-cage asynchronous generator ac-dc-ac wind generation system |
| 05/16/2013 | WO2013001496A3 Wind turbine for generating electric energy |
| 05/16/2013 | US20130121042 Cascaded h-bridge medium voltage drive, power cell and bypass module thereof |
| 05/16/2013 | US20130121041 Power converter based on h-bridges |
| 05/16/2013 | US20130119901 System for Managing DC Link Switching Harmonics |
| 05/16/2013 | DE102011086087A1 Elektrischer Umrichter Electric Drive |
| 05/15/2013 | EP2592745A1 Electrical converter |
| 05/15/2013 | EP2592734A1 Electrical gear and method for operating a machinery rotating at high speed |
| 05/15/2013 | CN202940736U Direct current bus auxiliary phase-changing soft-switching dielectric barrier discharge power supply |
| 05/15/2013 | CN202940735U Power amplifier used for intelligent transformer substation test system |
| 05/15/2013 | CN103107714A Plasma ignition system and electrical power generating system thereof |
| 05/15/2013 | CN103107712A Electrical frequency converter, electrical converter and electrical network clutch converter |
| 05/15/2013 | CN103107711A High voltage output power module |
| 05/15/2013 | CN103107710A High-voltage inverter adaptive control system based on neural network and construction method thereof |
| 05/15/2013 | CN103107689A Cascading transducer and power unit and bypass module of power unit |
| 05/15/2013 | CN102281011B Single-phase inversion frequency conversion power supply based on sine modulation wave |
| 05/15/2013 | CN102185489B Three-phase low voltage distribution voltage-reducing device |
| 05/15/2013 | CN101459385B Hybrid type current transformer device |
| 05/14/2013 | US8441822 Method of controlling a multiphase power factor correction stage, a power factor correction stage and a controller therefor |
| 05/14/2013 | US8441819 Power transfer devices, methods, and systems with crowbar switch shunting energy-transfer reactance |
| 05/10/2013 | WO2013064229A2 Device and method for applying a voltage to a plurality of silicon rods in a cvd reactor |
| 05/09/2013 | US20130114312 System and Method for Power Conversion for Renewable Energy Sources |
| 05/09/2013 | US20130114311 Power Transfer Devices, Methods, and Systems with Crowbar Switch Shunting Energy-Transfer Reactance |
| 05/09/2013 | US20130113642 Duty Cycle Translator Methods and Apparatus |
| 05/08/2013 | DE102011117552A1 Vorrichtung und verfahren zum anlegen einer spannung an eine vielzahl von siliziumstäben in einem cvd-reaktor Apparatus and method for creating a voltage to a variety of silicon rods in a CVD reactor |
| 05/08/2013 | DE102009021403B4 Vorrichtung zur Versorgung eines Reaktors mit elektrischer Leistung zum Erzeugen von Siliziumstäben aus Silizium-Dünnstäben nach dem Siemens-Verfahren An apparatus for supplying a reactor with electric power for generating silicon rods from silicon thin bars according to the Siemens method |
| 05/08/2013 | CN202931210U Power supply unit for testing of electric locomotive |
| 05/08/2013 | CN202931202U Electric power phase increaser having function of converting single phase into three-phase |
| 05/08/2013 | CN202930960U Micro-power-consumption permanent-magnetic aerogenerator |
| 05/08/2013 | CN103095148A Power conversion device |
| 05/08/2013 | CN103095147A Series-connected multi-level power conversion device |
| 05/08/2013 | CN103095146A Three-phase system and single-phase system online conversion device |
| 05/08/2013 | CN103095145A Frequency converter used for electric discharge machining linear cutting machine |
| 05/08/2013 | CN103094315A Compound semiconductor device, method for manufacturing the same, and electronic circuit |
| 05/08/2013 | CN101777770B Control circuit for voltage dropping type power factor corrector |
| 05/07/2013 | US8437157 Power line current fed power supplies producing stable load currents and related methods |
| 05/07/2013 | US8437155 Device for power factor correction in three phase power supply and control method thereof |
| 05/02/2013 | US20130107588 Series-connected multi-level power conversion device |
| 05/02/2013 | US20130107587 Photovoltaic array emulators |