| 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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| 08/04/2011 | US20110186096 Aircraft maintenance unit |
| 08/03/2011 | EP1751839B1 Low loss propulsion system |
| 08/03/2011 | CN201918917U 适用于微机保护装置的带多路开关切换的交流变换插件 AC suitable for computer protection device with multi-channel switch conversion plug-ins |
| 08/03/2011 | CN201918909U 电除尘用的三相高压电源 ESP with a three-phase high voltage power supply |
| 08/03/2011 | CN201918905U 一种三相单可控管交流调压电路 A three-phase AC voltage regulator circuit one can Control Manager |
| 08/03/2011 | CN201918904U 利用变压器抽头串并联来实现不同电压输出电路 The use of series-parallel transformer taps to achieve different voltage output circuit |
| 08/03/2011 | CN102142781A Power supply, electric appliance with water purifying function and signal processing method for water treatment |
| 08/03/2011 | CN102142780A Multi-circuit integration and encapsulation three-phase voltage regulation module |
| 08/03/2011 | CN102142779A Novel transformer test power supply |
| 08/03/2011 | CN102142692A Full-power converter suitable for variable speed wind power generation |
| 08/03/2011 | CN102142687A Method for operating a power dissipating unit in a wind turbine |
| 08/03/2011 | CN102139823A Solar photovoltaic (PV) elevator control system with bidirectional power flow |
| 08/03/2011 | CN101572501B Monitoring circuit |
| 08/03/2011 | CN101375492B Polyphase voltage converter control method |
| 08/02/2011 | CA2646173C Transforming apparatus for automatically adjusting three-phase power supply voltage |
| 08/02/2011 | CA2376185C Charge transfer apparatus and method therefore |
| 07/28/2011 | WO2009118299A3 Circuit arrangement for the sensorless operation of a universal motor of a domestic device and corresponding method |
| 07/28/2011 | US20110181128 Grid-tied power conversion circuits and related techniques |
| 07/27/2011 | EP2348631A1 Control of a rotating electric machine |
| 07/27/2011 | EP2347491A2 Device for feeding a consumer network with the electric power of a supply network |
| 07/27/2011 | CN201910742U Self-storing and self-feeding frequency converter |
| 07/27/2011 | CN201910655U Novel power supply module of power transmission line monitoring device |
| 07/27/2011 | CN201910638U Power frequency UPS (uninterrupted power supply) isolating center line circuit |
| 07/27/2011 | CN1882201B Method and device for controlling the power supply of an induction heating device |
| 07/27/2011 | CN102136809A Urban rail maglev train traction converter output device |
| 07/27/2011 | CN102136804A Novel Z source welding power source system |
| 07/27/2011 | CN102136803A Pulse width modulation frequency variable power supply and dead zone compensation method thereof |
| 07/27/2011 | CN102136802A Current transformer and control device thereof |
| 07/27/2011 | CN102136737A Doubly-fed wind power converter low-voltage traversing topological structure and control method thereof |
| 07/27/2011 | CN102133676A Voltage-type PWM (pulse-width modulation) half-bridge hard switching inversion-type welding and cutting machine |
| 07/27/2011 | CN101364117B Non-complementary chop controlling intelligent AC voltage-stabilizing and voltage-regulating method and device |
| 07/21/2011 | WO2011086108A1 Radio-frequency (rf) voltage supply system and method for supplying a multipole mass spectrometer with the alternating rf voltage used to generate a multipole field |
| 07/21/2011 | WO2011085805A1 Method and device for operating an asynchronous motor having increased efficiency |
| 07/21/2011 | US20110176340 Power converter, control method thereof, and direct matrix converter |
| 07/20/2011 | EP2346151A1 Power conversion device |
| 07/20/2011 | EP2346150A1 Modular power supply assembly, in particular for polysilicon production reactors |
| 07/20/2011 | EP2345130A1 Device for feeding a consumer network with the electric power of a supply network |
| 07/20/2011 | CN201904730U Novel high-voltage isolated power |
| 07/20/2011 | CN201904725U Power grid failure through system for whole double-fed wind driven generating set of 2MW and above |
| 07/20/2011 | CN201904724U Thyristor voltage regulator with phase sequence protection function |
| 07/20/2011 | CN102130608A Line switcher for power converters |
| 07/20/2011 | CN102130607A High-frequency electronic transformer |
| 07/20/2011 | CN102130606A Multifunctional control device of wind power generator based on integrated gate commutated thyristor |
| 07/20/2011 | CN102130605A Grid fault ride-through for current source converter-based wind energy conversion systems |
| 07/20/2011 | CN102130604A Converter device and method for converting electrical power |
| 07/20/2011 | CN102130603A Converter device and method for converting electrical power |
| 07/20/2011 | CN102130602A Modular power supply assembly, in particular for polysilicon production reactors |
| 07/20/2011 | CN102130455A Shore-based variable frequency power supply system |
| 07/20/2011 | CN102128135A Stroke-type air power energy generating equipment |
| 07/20/2011 | CN101694967B Alternating-current brushless voltage regulating and stabilizing digital power-supply unit |
| 07/20/2011 | CN101490944B Inverter |
| 07/20/2011 | CN101350173B Backlight driving system for liquid crystal display |
| 07/20/2011 | CN101340106B Power supply system of elevator |
| 07/14/2011 | WO2011082935A1 Method for operating a direct converter circuit and device for carrying out the method |
| 07/14/2011 | WO2011022442A3 Power conversion with added pseudo-phase |
| 07/14/2011 | US20110170323 Method and control system for controlling power conversion in a power converter |
| 07/14/2011 | US20110170321 Hf surgical generator |
| 07/14/2011 | CA2783184A1 Method for operating a direct converter circuit and device to carry out the method |
| 07/14/2011 | CA2727689A1 Converter device and method for converting electrical power |
| 07/13/2011 | EP2343620A1 Alternating voltage stabiliser with protection elements (embodiments) |
| 07/13/2011 | CN201898640U Power circuit |
| 07/13/2011 | CN201898446U China railway high-speed 2 (CRH2) motor train unit ground power supply source |
| 07/13/2011 | CN201898445U Uninterruptible power regulating system |
| 07/13/2011 | CN1998127B Method for switching low-power using AC and system for performing the same and power supply for using the system |
| 07/13/2011 | CN102124642A Direct conversion device, method for controlling same, and control signal generation device |
| 07/13/2011 | CN102122892A Supply power adjusting apparatus and semiconductor manufacturing apparatus |
| 07/07/2011 | WO2011080393A1 Mining vehicle and method for its energy supply |
| 07/07/2011 | CA2783724A1 Mining vehicle and method for its energy supply |
| 07/06/2011 | EP2245717B1 Wind energy plant having a double-energized asynchronous generator and converter control |
| 07/06/2011 | CN201893710U Automatic control circuit for current of drive motor of electric automobile |
| 07/06/2011 | CN201893709U Voltage regulation device and flyback power system |
| 07/06/2011 | CN201893708U Circuit for converting two-phase alternating current signal into three-phase alternating current signal |
| 07/06/2011 | CN1581624B Frequency transformer control circuit |
| 07/06/2011 | CN102118113A Rectifier |
| 07/06/2011 | CN102118050A Storage battery charge-discharge device |
| 07/06/2011 | CN101304180B Composition energy-saving non power brake system and bidirectional transducer module as well as power transferring method |
| 07/06/2011 | CN101277072B Electric power transformation device and method |
| 07/06/2011 | CN101085601B Power supply system and method for rail vehicles, converter, pilot unit, air conditioner for said system |
| 07/05/2011 | US7974108 Synchronous rectifying circuit for offline power converter |
| 06/30/2011 | WO2009066839A3 Motor controller of air conditioner |
| 06/30/2011 | WO2009066838A3 Motor controller of air conditioner |
| 06/30/2011 | US20110157929 Method and apparatus for electric isolation transmission |
| 06/30/2011 | US20110157928 Dc-to-ac converting circuit with wide input voltage |
| 06/29/2011 | EP2339737A1 Power converter, manufacturing method thereof and direct matrix converter |
| 06/29/2011 | EP1884015B1 Inverter operation with over-modulation |
| 06/29/2011 | CN201887672U High-power power electronic transformer based on fault-tolerant design |
| 06/29/2011 | CN201887671U Power unit for frequency converter |
| 06/29/2011 | CN201887670U Differential-current voltage stabilizer |
| 06/29/2011 | CN201887669U Frequency converter |
| 06/29/2011 | CN201887668U Distributor |
| 06/29/2011 | CN201887667U Isolating and converting device for rotary switch gear signals |
| 06/29/2011 | CN201887666U Special power device for debugging wind power unit variable-propeller system |
| 06/29/2011 | CN201887665U High-precision integrated portable power module |
| 06/29/2011 | CN1781168B Apparatus for supplying energy to a load and a related system |
| 06/29/2011 | CN102111077A Charging power supply system |
| 06/29/2011 | CN102111076A System and method for controlling a variable speed drive |
| 06/29/2011 | CN102110990A Wind power generation system based on reverse loose matrix converter and method thereof |
| 06/29/2011 | CN102110924A Power supply interface device, power distribution unit and power supply method |
| 06/29/2011 | CN101699737B Controlled reactor-based series voltage control device of circuit |
| 06/29/2011 | CN101385224B Power converter, its control method, and air conditioner |