| 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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| 05/30/2012 | CN101411050B Power converter and its assembling method |
| 05/30/2012 | CN101315751B LCD power module |
| 05/29/2012 | US8189355 Multiple output switching power source apparatus |
| 05/29/2012 | US8188829 Coil substrate structure, substrate holding structure, and switching power supply |
| 05/24/2012 | WO2012067167A1 Ac-ac converter |
| 05/24/2012 | WO2012067096A1 Converter |
| 05/24/2012 | WO2012067095A1 Indirect matrix converter |
| 05/24/2012 | US20120127764 Power Systems for Photovoltaic and DC Input Sources |
| 05/24/2012 | US20120127763 Electric power supply system comprising power modules coupled in parallel |
| 05/24/2012 | US20120126628 Frequency converter |
| 05/24/2012 | DE19746797B4 Verfahren zur Steuerung bidirektionaler Schalter in Stromrichtern Method for controlling bidirectional switches in converters |
| 05/23/2012 | EP2030313B1 Ride-through method and system for hvac&r chillers |
| 05/23/2012 | CN202231627U Large power high frequency high voltage supply for electric deduster |
| 05/23/2012 | CN202231623U Control system being able to continuously adjust the output power of industrial microwave high-temperature sintering furnace |
| 05/23/2012 | CN202231622U Compensation device of improved high-capacity frequency converter |
| 05/23/2012 | CN202231621U Shunt-wound structure of current transformer |
| 05/23/2012 | CN202231620U Ringing current power supply capable of outputting square waves |
| 05/23/2012 | CN202231619U Novel frequency converter |
| 05/23/2012 | CN202231618U Novel frequency converter |
| 05/23/2012 | CN202231601U Frequency conversion power supply applying novel parallel operation control mode |
| 05/23/2012 | CN102474192A Power conversion device and control method therefor |
| 05/23/2012 | CN102474191A 电压平滑电路 Voltage smoothing circuit |
| 05/23/2012 | CN102468777A 大型新式逆变器 Large new inverter |
| 05/23/2012 | CN102468768A Compensation for electrical converter nonlinearities |
| 05/23/2012 | CN102468766A 组合变频器 Combination Drive |
| 05/23/2012 | CN102468765A 高频化的工频变压器 High frequency frequency transformer |
| 05/23/2012 | CN101895204B High voltage converter circuit structure |
| 05/23/2012 | CN101877540B Three-switch alternating current brushless voltage regulation device |
| 05/23/2012 | CN101873072B Three-phase digital power supply device for mines |
| 05/23/2012 | CN101635516B Static safe energy-saving controller with zero power consumption |
| 05/23/2012 | CN101635515B Static safe energy-saving converter with zero power consumption |
| 05/23/2012 | CN101635514B High-voltage power circuit adopting multi-split transformer |
| 05/23/2012 | CN101621255B Cascade connection energy-regenerative type high-voltage converter |
| 05/23/2012 | CN101621254B Power electronic transformer applied to distribution network |
| 05/23/2012 | CN101562400B High-voltage power conversion device |
| 05/16/2012 | CN202221965U Elevator frequency converter |
| 05/16/2012 | CN202221964U 功率转换器系统 Power converter system |
| 05/16/2012 | CN202221963U Switching power supply |
| 05/16/2012 | CN102457196A 一种高压变频器的功率单元控制板 The power of a high-voltage inverter unit control board |
| 05/16/2012 | CN102457195A Power grid failure traversing system and method of 2 MW and more than 2 MW double-fed wind generating set complete machine |
| 05/16/2012 | CN102457194A 频率转换器组件 Frequency converter assembly |
| 05/16/2012 | CN102457193A 具有单级转换器的电源供应器 With a single-stage converter power supply |
| 05/16/2012 | CN102457192A 双pwm电力电子变压器 Double pwm power electronic transformer |
| 05/16/2012 | CN102457191A 非隔离型不间断电源装置及其控制方法 Non-isolated uninterruptible power supply device and control method |
| 05/16/2012 | CN102457063A 电力品质控制系统装置 Power quality control system devices |
| 05/16/2012 | CN102453935A Doublet pulse electroplate power supply controlled by fuzzy PID |
| 05/15/2012 | US8179701 Variable frequency drive soft charge circuit |
| 05/15/2012 | US8179100 Battery charger using the phase shift by a pair of forward converting circuits |
| 05/10/2012 | US20120113693 Power converter circuit |
| 05/10/2012 | US20120113692 Cascade power system architecture |
| 05/10/2012 | US20120113691 Power converter with controlled current source |
| 05/10/2012 | US20120112732 Capacitive Impedance Decoupling AC Power Controller |
| 05/09/2012 | EP2449667A1 Inverter and method for operating a system having inverters |
| 05/09/2012 | EP2449666A2 Power transfer devices, methods, and systems with crowbar switch shunting energy-transfer reactance |
| 05/09/2012 | CN202218168U Alternating current (AC) driver |
| 05/09/2012 | CN202218167U Mini-type non-inductive vector frequency converter |
| 05/09/2012 | CN202218166U High-power electric exploration constant and steady emission device |
| 05/09/2012 | CN202218165U Parallel connection type electric power transformer with energy feedback function |
| 05/09/2012 | CN202218164U High-stability power supply suitable for electromagnetic compatibility test |
| 05/09/2012 | CN202218163U Multipurpose transformer with functions of manually and automatically coiling power lines |
| 05/09/2012 | CN1755110B Water supply device |
| 05/09/2012 | CN102447400A Control method and system for reducing the common-mode current in power converter |
| 05/09/2012 | CN102447399A Adaptive fharmonic reduction apparatus and methods |
| 05/09/2012 | CN102447398A Autotransformer serial voltage regulation circuit |
| 05/09/2012 | CN101383218B Radio frequency electric power for generating four-pole electric field |
| 05/08/2012 | US8174849 Electric power converter with soft switching for two way power conversion |
| 05/03/2012 | WO2012055438A1 Voltage control in a direct current power system |
| 05/03/2012 | US20120106223 Circuit for converting power between a three-phase grid and a single-phase grid |
| 05/03/2012 | US20120106210 Multi-phase power converters and integrated choke therfor |
| 05/03/2012 | DE102010050347B3 Device for producing secure operating condition of high-voltage intermediate circuit of e.g. lorry, has discharge switches separately arranged in current paths, and trigger device actuating circuit breakers based on state signal of vehicle |
| 05/03/2012 | DE102010043176A1 Elektrische Schaltung zur Umwandlung elektrischer Energie zwischen einem dreiphasigen Stromnetz und einem einphasigen Stromnetz Electrical circuit for converting electrical energy between a three-phase power supply and a single-phase network |
| 05/02/2012 | CN102437772A Bipolar modulation control device of high frequency pulse alternating current link inverter |
| 05/02/2012 | CN102437747A Digital-type hysteresis control current source |
| 05/02/2012 | CN102437746A Grading compensation power supply device for field correction of ultra/extra high-voltage CVT (constant-voltage transformer) |
| 05/02/2012 | CN102437745A Method and device for supplying power to high voltage motor test |
| 05/02/2012 | CN101521457B Multi-state switch and converter using the multi-state switch |
| 05/02/2012 | CN101507103B Multi-function passive frequency mixer |
| 05/02/2012 | CN101431290B Optical fiber connecting method for cascade type medium-high voltage frequency convertor |
| 05/01/2012 | US8169797 AC/DC intermediate-circuit converter having a very wide AC input voltage range |
| 04/26/2012 | US20120099348 Power converter with high efficiency in operation |
| 04/26/2012 | US20120099347 Frequency converter assembly |
| 04/26/2012 | DE102010042946A1 Frequenzumrichter Frequency |
| 04/26/2012 | DE102010042915A1 Verfahren zum Betrieb eines elektrischen Antriebssystems A method of operating an electric drive system |
| 04/25/2012 | EP2443732A1 An arrangement for exchanging power |
| 04/25/2012 | CN202206317U 一种变频器和连续采煤机 One kind of drive and continuous miner |
| 04/25/2012 | CN202206316U 电压暂降发生仪 Voltage sag occurs instrument |
| 04/25/2012 | CN202206315U 逆斯考特干式变压器 Inverse Scott dry-type transformers |
| 04/25/2012 | CN202206314U 变频器输入输出端子台 Inverter input and output terminal block |
| 04/25/2012 | CN202206300U 矿用隔爆型高压变频器 Flameproof high voltage inverter |
| 04/25/2012 | CN102428650A 用于控制缓冲电路的操作的方法和设备 Method and apparatus for controlling the operation of the buffer circuit |
| 04/25/2012 | CN102427299A Multifunctional large-power power electronic current transformer |
| 04/25/2012 | CN102427298A 一种基于buck变换器的串联式交流稳压器 Based on the buck converter tandem exchange regulator |
| 04/25/2012 | CN101764524B 一种低功耗智能节电管理器及其管理方法 A low-power intelligent energy-saving manager and its management methods |
| 04/25/2012 | CN101432958B 直接型交流功率转换装置 Direct AC power conversion device |
| 04/25/2012 | CN101295934B 一种具有宽输入电压范围的不间断电源 Having a wide input voltage range of uninterruptible power supplies |
| 04/24/2012 | US8164929 Controlled contactless power transmission |
| 04/24/2012 | US8164217 System and method for management of a DC and AC bus microgrid |
| 04/19/2012 | WO2010099787A3 Electrodynamic braking device for a universal motor |
| 04/19/2012 | US20120092905 Method and systems for converting power |
| 04/19/2012 | US20120092903 Power transfer between independent power ports utilizing a single transformer |