| 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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| 03/15/2012 | WO2012031787A1 Traction converter |
| 03/15/2012 | WO2012031435A1 Stabilization circuit for electronic transformer driven led devices |
| 03/15/2012 | US20120063178 Power converter |
| 03/15/2012 | US20120063177 Solar Photovoltaic Power Conditioning Units |
| 03/15/2012 | US20120063176 Power converting device for vehicle |
| 03/15/2012 | DE102011111739A1 Motortreibervorrichtung mit einer Spannungsregelungsfunktion für den Gleichspannungszwischenkreis Motor drive apparatus having a voltage regulation function for the dc voltage intermediate circuit |
| 03/14/2012 | EP2429073A2 Power converters |
| 03/14/2012 | CN202167997U 一种带有能量回馈功能的游梁式抽油机节能净化电源 Beam pumping unit features a regenerative energy with clean power |
| 03/14/2012 | CN202167996U 用于产生功率和定时信号的电路、以及三相计量系统 A circuit for generating power and timing signals, and a three-phase measurement system |
| 03/14/2012 | CN202167995U 一种用于三相桥式驱动的智能功率模块 A three-phase bridge driver for intelligent power module |
| 03/14/2012 | CN202167994U 一种调压稳压控制系统 One kind of voltage regulator control system |
| 03/14/2012 | CN202167987U 负荷驱动电路和采用该电路的发光装置及显示装置 The load driving circuit and a light emitting device using the circuit and a display device |
| 03/14/2012 | CN202167981U 高压变频器功率单元驱动脉冲传输及通信系统 High-voltage inverter power unit driving pulse transmission and communication systems |
| 03/14/2012 | CN102379080A System for controlling an electric charge powered by DC sources |
| 03/14/2012 | CN102377350A Voltage stabilizing device without harmonic pollution or instantaneous output voltage sag and voltage stabilizing method |
| 03/14/2012 | CN102377349A Electric power converter |
| 03/14/2012 | CN102377348A Three-phase alternating-current chopper |
| 03/14/2012 | CN101540580B Electric energy feedback device |
| 03/13/2012 | US8135967 Storage system |
| 03/13/2012 | US8134848 Closed-loop efficiency modulation for use in AC powered applications |
| 03/08/2012 | WO2012028839A2 Improved apparatus & method in relation to voltage optimization |
| 03/08/2012 | US20120057378 Static conversion method and system for the regulation of power in an alternating current electrical network |
| 03/08/2012 | US20120057377 Uninterruptible power supply with a dual gain voltage regulator controlling an inverter output voltage based on active and reactive components of current |
| 03/08/2012 | DE102010044322A1 Elektrische Energieversorgungsanordnung für Antriebseinrichtungen von Schienenfahrzeugen Electric power supply arrangement for driving means of rail vehicles |
| 03/07/2012 | EP1402310B1 Apparatus for supplying power and liquid crystal display having the same |
| 03/07/2012 | CN202160121U 机车用直流变换器 Motorcycle DC converter |
| 03/07/2012 | CN202160117U 功率转换系统 Power conversion system |
| 03/07/2012 | CN202160116U 一种用于轻型直流输电设备的新型功率单元 The new power unit for HVDC equipment |
| 03/07/2012 | CN202160115U 一种并联型电子电力变压器 Kind of Parallel-type electronic power transformer |
| 03/07/2012 | CN202160114U 一种信号控制定点调节交流电源电压的装置 A signal control point adjusting means for AC power supply voltage |
| 03/07/2012 | CN102368665A Voltage stabilizer without harmonic pollution and with instant output voltage dip and voltage stabilization method |
| 03/07/2012 | CN102368664A Chip frequency conversion control circuit |
| 03/07/2012 | CN101771356B UPS voltage compensation value-acquiring method and application thereof |
| 03/06/2012 | US8130522 Digital power factor correction |
| 03/06/2012 | US8130520 Power supply apparatus and semiconductor integrated circuit device |
| 03/06/2012 | US8130519 Led driver with low harmonic distortion of input AC current and methods of controlling the same |
| 03/01/2012 | WO2012025256A1 Drive system for a battery-operated vehicle |
| 03/01/2012 | WO2012024959A1 Control method during zero-crossing operation of bridge arms in ups |
| 03/01/2012 | WO2011062508A3 A power converter with hold up |
| 03/01/2012 | US20120051100 Universal Power Converter |
| 02/29/2012 | EP2422449A1 Method and apparatus for controlling the operation of a snubber circuit |
| 02/29/2012 | EP2422440A1 Smart electronic switch for low-power loads |
| 02/29/2012 | EP2132962B1 Circuit with dimmable outlet and inductive load sensor |
| 02/29/2012 | CN202153713U 一种电子式升压电力变压器 An electronic boost power transformers |
| 02/29/2012 | CN202153712U 机车空调电源装置 Locomotive air supply unit |
| 02/29/2012 | CN202153711U 采用移相变压器集中供电的新型无谐波电磁搅拌变频电源 Using phase-shifting transformer centralized power of the new non-harmonic electromagnetic stirring power inverter |
| 02/29/2012 | CN202153710U 采用移相变压器分散供电的新型无谐波电磁搅拌变频电源 Phase-shifting transformer decentralized power supply using a new non-harmonic electromagnetic stirring power inverter |
| 02/29/2012 | CN202153709U 一种变频器 One kind of drive |
| 02/29/2012 | CN102364863A High-frequency power system for wireless power transmission device |
| 02/29/2012 | CN102364862A AC/AC converter |
| 02/29/2012 | CN101359896B Serial parallel structure electric power transformation device and elevator system using thereof |
| 02/29/2012 | CN101136596B Plusewidth modulation method for cycloconverter |
| 02/28/2012 | US8125304 Power electronic module with an improved choke and methods of making same |
| 02/23/2012 | WO2012022823A1 Electricity supply apparatus and an elevator system |
| 02/23/2012 | WO2012005607A3 Inductive power transfer system |
| 02/23/2012 | WO2009066840A3 Motor controller of air conditioner |
| 02/22/2012 | EP2420341A2 Torque motor driving device for wire cut electrical discharge machines |
| 02/22/2012 | EP2419295A1 Drive system for a facility having an alternating-current isolated network |
| 02/22/2012 | CN202150804U 交流可调电力测量专用电源 AC Power Measurement dedicated power adjustable |
| 02/22/2012 | CN202150803U 一种调压稳压装置 One kind of voltage regulator device |
| 02/22/2012 | CN202150802U 一种桥式斩波器 A bridge-chopper |
| 02/22/2012 | CN202150801U Chopper for reactive power compensator |
| 02/22/2012 | CN102362420A Power converter |
| 02/22/2012 | CN102361405A 110kV rectifier transformer insulation structure special for silicon carbide production |
| 02/22/2012 | CN102361404A Inverse Scott dry-type transformer |
| 02/21/2012 | US8120932 Low voltage ride through |
| 02/16/2012 | WO2012020664A1 Indirect matrix converter |
| 02/15/2012 | EP2417698A1 System for controlling an electric charge powered by dc sources |
| 02/15/2012 | EP2416981A1 Rectifier system and method for operating a rectifier system |
| 02/15/2012 | CN202145622U 一种带中性点电压调节的高压变频器 A high-voltage inverter with a neutral point voltage regulation |
| 02/15/2012 | CN202145621U 共直流母线式组合防爆变频器 Common DC bus explosion combo drive |
| 02/15/2012 | CN202145620U 单相三倍频发生装置及高频发生装置 Devices and high-frequency single-phase three-harmonic generation device occurs |
| 02/15/2012 | CN102355976A Power source for an electric arc welder comprising an inverter being controlled with a modified phase shifted gate drive |
| 02/15/2012 | CN102355151A Multi-functional grid-connected inverter and grid-connected inverter control method |
| 02/15/2012 | CN102355142A Simplified efficient three-phase AC (alternating current)-DC (direct current)-AC converter adaptive to intermediate and small power occasions |
| 02/15/2012 | CN102355141A Method for controlling zero sequence circulating currents in back-to-back converter parallel system |
| 02/15/2012 | CN102355140A Concatenated multilevel inverter circuit capable of realizing energy feedback and control method |
| 02/15/2012 | CN102355139A Parallel structure of a converter |
| 02/15/2012 | CN102355138A Multifunctional marine shore power supply system |
| 02/15/2012 | CN102355137A Equivalent space vector carrier modulation multilevel converter control method |
| 02/15/2012 | CN102353864A Insulation monitor and medical isolation power supply system |
| 02/15/2012 | CN101632217B 矩阵变换器空间矢量调制方法 Space vector modulation method of matrix converter |
| 02/14/2012 | US8116103 Device for feeding electric energy into a power grid and DC converter for such a device |
| 02/09/2012 | US20120033464 Universal Power Converter |
| 02/09/2012 | DE102010033755A1 In Leistung und Frequenz skalierbarer Umrichter In power and frequency scalable inverter |
| 02/08/2012 | EP2416482A1 Method for converting electrical energy and energy converter |
| 02/08/2012 | EP2416475A2 Electric power generating system with boost converter/synchronous active filter |
| 02/08/2012 | CN202142989U 一种游梁式抽油机节能净化电源 One kind of beam pumping unit energy saving clean power |
| 02/08/2012 | CN202142988U 高压交变电位平衡输出装置 High voltage alternating potential balance output device |
| 02/08/2012 | CN202142987U 电源电路 The power supply circuit |
| 02/08/2012 | CN202142986U 节能电子变压器 Energy-saving electronic transformer |
| 02/08/2012 | CN102347697A Direct DC-AC (direct current-alternating current) converting circuit for low-voltage input full bridge inverter |
| 02/08/2012 | CN102347618A Three-phase energy feedback device |
| 02/08/2012 | CN102347610A Electrical power supply system for an aircraft |
| 02/08/2012 | CN101740211B 带平衡变第三绕组调压整流变压器 With the balance becomes the third winding voltage regulator rectifier transformer |
| 02/08/2012 | CN101377662B 全自动豆浆机模糊控制加热装置 Automatic Soymilk fuzzy control heating device |
| 02/07/2012 | US8111528 DC to AC inverter |
| 02/02/2012 | WO2012016119A1 Power supply for a load control device |
| 02/02/2012 | WO2012013329A2 Dual-switch current converter |
| 02/02/2012 | US20120025802 Power Supply For A Load Control Device |