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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10/27/2010 | EP2130292B1 Power converter apparatus and methods using neutral coupling circuits with interleaved operation |
10/27/2010 | EP1511166B1 Power converter |
10/27/2010 | CN201616768U 一种中频电源电路 One kind of frequency power supply circuits |
10/27/2010 | CN201616767U 一种单元串联型高压变频器单元控制器 The units of tandem-type high-voltage inverter unit controller |
10/27/2010 | CN201616766U 高压变频器功率模块 High-voltage inverter power module |
10/27/2010 | CN101873072A Three-phase digital power supply device for mines |
10/27/2010 | CN101872973A High-efficiency power supply load all-in-one machine |
10/27/2010 | CN101872674A Current-sharing transformer and applicable power supply circuit thereof |
10/27/2010 | CN101572493B Method and device for configuring high-voltage conversion device of test transformer substation |
10/27/2010 | CN101272041B Wire-protecting and de-icing method of unit type high tension power line |
10/26/2010 | US7821802 Control method for direct power converter |
10/21/2010 | WO2010118975A1 Drive system for a facility having an alternating-current isolated network |
10/21/2010 | DE102009017847A1 Intermediate circuit voltage converter, has regulator regulating intermediate circuit voltage such that minimum values of voltage lies straight above permissible minimum value of voltage, where values are caused in operation by power peaks |
10/21/2010 | DE102009017254A1 Vorrichtung zur Ankopplung von Energiespeichern an einem Spannungszwischenkreis eines Traktionsstromrichters Apparatus for coupling energy storage at a voltage intermediate circuit of a traction converter |
10/20/2010 | EP2241001A1 Converter |
10/20/2010 | CN201611854U 交直流全自动移动电源 AC-DC power supply automatic movement |
10/20/2010 | CN201611846U 电子变压器 Electronic Transformer |
10/20/2010 | CN201611845U 相位变换器 Phase converter |
10/20/2010 | CN201611844U 相位变换器 Phase converter |
10/20/2010 | CN1753293B Device for power supply of variable load |
10/20/2010 | CN101868094A LED driving circuit and LED lamp |
10/20/2010 | CN101867301A No-high-frequency-conversion general frequency converter |
10/20/2010 | CN101867300A Control method and control device for matrix converter |
10/20/2010 | CN101862881A Gas-protective submerged-arc welding digitalized power supply system for dual ARM (Automated Route Management) control and control method thereof |
10/20/2010 | CN101001051B Output-less transistor UPS |
10/19/2010 | US7817453 Thermal foldback for linear fluorescent lamp ballasts |
10/14/2010 | WO2010116865A1 Indirect matrix converter, device for controlling the slewing of machinery, and machinery |
10/14/2010 | WO2010115725A1 System for controlling an electric charge powered by dc sources |
10/14/2010 | US20100259186 Buck converter with III-nitride switch for substantially increased input-to-output voltage ratio |
10/14/2010 | DE102008037449B4 Windenergieanlage Wind turbine |
10/13/2010 | CN201608943U 智能彩灯控制装置 Intelligent lights control device |
10/13/2010 | CN201608652U 一种大功率变频电源装置 One kind of power inverter power devices |
10/13/2010 | CN201608651U 一种电子变压器 An electronic transformer |
10/13/2010 | CN201608650U 相位变换器 Phase converter |
10/13/2010 | CN201608649U 脉宽调制信号转换电压电路 Pulse-width modulated voltage signal conversion circuit |
10/13/2010 | CN201608648U 相位变换器 Phase converter |
10/13/2010 | CN201608633U 稳压输出反馈隔离电路 Regulator output feedback isolation circuit |
10/13/2010 | CN201608627U 一种通用变频器 A common drive |
10/13/2010 | CN1917348B Three-phase power control system and its control method |
10/13/2010 | CN101860318A Alternating current governing system for twin-stage matrix converter having anti-losing capability |
10/13/2010 | CN101860232A Resonant type pre-charging circuit for high-voltage frequency converter and control method thereof |
10/13/2010 | CN101860231A Special tri-level full-power converter set for large power wind-driven generator |
10/13/2010 | CN101860230A Novel AC-DC-AC converter and control method thereof |
10/13/2010 | CN101860229A Thyristor voltage regulation type pre-charging circuit for high-voltage frequency converter and control method thereof |
10/13/2010 | CN101860228A Power electronic transformer for high voltage distribution |
10/13/2010 | CN101860227A Direct current side integrated superconductive energy-storing current source type wind energy converter |
10/13/2010 | CN101860226A Phase-locking switching type pre-charging circuit for high-voltage frequency converter and control method thereof |
10/13/2010 | CN101860225A Alternating current inversion type pre-charging circuit for high-voltage frequency converter and control method thereof |
10/13/2010 | CN101860224A High-voltage transformer and power supply for x-ray tube including such transformer |
10/13/2010 | CN101860223A Transformer and switching circuit therein |
10/13/2010 | CN101860222A Unit serial connection type high-voltage frequency converter unit controller |
10/13/2010 | CN101856979A Electrified railway in-phase power supply device |
10/13/2010 | CN101856769A Plasma arc cutting and welding power supply |
10/13/2010 | CN101567632B Compensated high-current generation device |
10/13/2010 | CN101404456B Transformer |
10/07/2010 | WO2010086788A3 Converter for single-phase and three-phase operation, d.c. voltage supply and battery charger |
10/07/2010 | WO2009148555A3 Method and system for reducing switching losses in a high-frequency multi-cell power supply |
10/07/2010 | US20100254169 System-interconnected inverter |
10/07/2010 | US20100254168 Magnetic Device Formed with U-Shaped Core Pieces and Power Converter Employing the Same |
10/07/2010 | US20100251776 Circuit arrangements for operating a household appliance |
10/06/2010 | EP2237402A1 Power transformer |
10/06/2010 | EP1745542B1 Method for control of a frequency converter in particular for generation of effective power for inductive heating |
10/06/2010 | CN201601621U 高功率输出之压电式电源转换器 High power output of the piezoelectric power converter |
10/06/2010 | CN201601610U 一种变频器电路 One kind of inverter circuit |
10/06/2010 | CN201601609U 一种兆瓦级永磁直驱式风力发电变流器 One kind megawatt permanent magnet direct drive wind power converters |
10/06/2010 | CN201601608U 一种大功率变流器分相桥臂结构 One kind of power converter phase leg structure |
10/06/2010 | CN201601607U 应用emc技术的大功率矿用防爆变频装置 Applications emc technology power frequency devices mine explosion |
10/06/2010 | CN201601603U 工业x射线探伤机用高频高压电源装置 Industrial x-ray inspection machine with high frequency high voltage power supply unit |
10/06/2010 | CN101855818A Apparatus and method for pulse sampling control |
10/06/2010 | CN101855695A Method and system for bypassing a power cell of a power supply |
10/06/2010 | CN101854114A Power supply module |
10/05/2010 | CA2539050C A power converter with an adjustable output cable |
09/30/2010 | WO2010089186A3 Control circuit for a three-phase asynchronous motor |
09/30/2010 | US20100246218 Power factor control circuit and mains power supply |
09/30/2010 | US20100246217 Direct ac power converting apparatus |
09/30/2010 | US20100244721 Modular programmable lighting ballast |
09/30/2010 | DE19942203B4 Verfahren zur Ausgangsspannungsbegrenzung für einen spannungs-/frequenzgeführten Umrichter Method for Output voltage limitation for a voltage / frequency commutated converters |
09/29/2010 | EP2234259A1 Device for igniting and operating silicon rods |
09/29/2010 | EP2232688A1 Supply arrangement, supply unit and method for supplying an electronic unit |
09/29/2010 | CN201594460U Tertiary winding continuous voltage adjusting rectifier transformer |
09/29/2010 | CN1913316B Method and apparatus to limit output power in a switching power supply |
09/29/2010 | CN101847831A Power distribution cabinet |
09/29/2010 | CN101521468B High-frequency three-phase medium-voltage power supply rectifier |
09/29/2010 | CN101267179B High-speed brushless DC electromotor start/power generation system based on dual-level matrix frequency converter |
09/28/2010 | US7804697 History-independent noise-immune modulated transformer-coupled gate control signaling method and apparatus |
09/28/2010 | US7804288 Current measuring arrangement of a frequency converter |
09/23/2010 | WO2010106430A1 Power source for an electric arc welder comprising an inverter being controlled with a modified phase shifted gate drive |
09/23/2010 | US20100237704 Single-phase to n-phase converter and power conversion system |
09/23/2010 | DE102007036438B4 Verfahren zur Ansteuerung eines Universal-Dimmers A method for controlling a Universal dimmer |
09/22/2010 | EP2030312B1 Method of controlling a three level converter |
09/22/2010 | CN201590942U Electronic ballast of FM (frequency modulation) light-dimming fluorescent lamp |
09/22/2010 | CN201590802U Intelligent power saving device |
09/22/2010 | CN201590771U Multipurpose large-power controllable power source |
09/22/2010 | CN201590764U Mine hoist high voltage variable frequency power unit with voltage self adaptation |
09/22/2010 | CN201590763U Cable-retractable static power supply |
09/22/2010 | CN201590394U Special control power supply for electron gun accelerator |
09/22/2010 | CN201590316U Regulating rectifier transformer with balance variable third winding |
09/22/2010 | CN1943100B Power supply device |
09/22/2010 | CN101841246A Power supply apparatus |
09/22/2010 | CN101841245A Power converter and elevator device using the same |