| 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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| 10/02/2013 | DE102012204866A1 Verfahren und Vorrichtung zur Diagnose einer Entladeschaltung eines elektrischen Systems Method and apparatus for diagnosis of a discharge circuit of an electrical system |
| 10/02/2013 | DE102012006259A1 Chopperverstärkter Umrichter für Windenergieanlagen Chopper Reinforced converters for wind turbines |
| 10/02/2013 | CN203225700U Mining explosion-proof and intrinsically-safety frequency conversion center |
| 10/02/2013 | CN203225666U Single rectifying device for two-stage continuous type operating voltages |
| 10/02/2013 | CN103339846A Control system for regulating bus voltage for an electric shovel |
| 10/02/2013 | CN103339845A AC conversion circuit |
| 10/02/2013 | CN103337968A Single-stage high frequency alternating current/alternating current (AC/AC) converter |
| 10/02/2013 | CN103337967A Phase negater |
| 10/02/2013 | CN103337966A Four-quadrant high-voltage frequency converter based on cable rapid connector |
| 10/02/2013 | CN103337877A Direct-current voltage control unit and method for wind power generation system |
| 10/02/2013 | CN103336188A Current boosting apparatus suitable for GIS equipment |
| 10/02/2013 | CN102437772B Bipolar modulation control device of high frequency pulse alternating current link inverter |
| 10/02/2013 | CN102324854B Voltage regulation circuit |
| 10/01/2013 | US8547713 Power conversion system |
| 09/26/2013 | WO2013140287A1 Two-wire flyback dimmer and a method of operation thereof |
| 09/26/2013 | WO2013043811A3 Uninterruptible power supply systems and methods employing on-demand energy storage |
| 09/26/2013 | CA2810593A1 Double fed induction generator (dfig) converter and method for improved grid fault ridethrough |
| 09/25/2013 | EP2642652A1 Voltage source converter with low capacity dc-link (F3E) and with additional controlled buffer capacitor and method for operating the same |
| 09/25/2013 | EP2642651A1 Ac-ac converter |
| 09/25/2013 | EP2641322A1 Power supply system comprising a multiphase matrix converter and method for operating same |
| 09/25/2013 | EP2641321A2 Improved voltage regulation apparatus |
| 09/25/2013 | CN203219187U Dual-PWM frequency converter with four-switch three-phase rectifier stage and control system thereof |
| 09/25/2013 | CN203219186U High stability frequency conversion power supply specially used for power maintenance test equipment metering verification |
| 09/25/2013 | CN203219185U Supersonic-wave power supply for driving magnetostrictive transducer |
| 09/25/2013 | CN203219184U High-voltage synchronous transformer |
| 09/25/2013 | CN203219183U Low-voltage high-frequency switch power supply |
| 09/25/2013 | CN203219172U Zero-voltage-started thyristor medium-frequency induction heater |
| 09/25/2013 | CN103329415A Improved voltage regulation apparatus |
| 09/25/2013 | CN103328816A A method of operating a wind turbine as well as a system suitable therefore |
| 09/25/2013 | CN103326592A Power device for controlling valve group of power semiconductor device |
| 09/25/2013 | CN103326591A High-frequency high-voltage generator used for heating dielectric materials |
| 09/25/2013 | CN103326590A Power device for controlling power semiconductor device to form series valve group |
| 09/25/2013 | CN103326589A Multi-stage Boost type cascade boosting power device and control method thereof |
| 09/25/2013 | CN103326588A High-voltage frequency converter and cabinet top fan control device |
| 09/25/2013 | CN103326453A Megawatt converting technique research and development platform |
| 09/25/2013 | CN102158101B H-bridge cascaded multilevel voltage sag generator based on insulated gate bipolar transistor (IGBT) |
| 09/25/2013 | CN102075096B Fault tolerance design-based high-power electronic transformer |
| 09/25/2013 | CN101836354B 往复式压缩机 Reciprocating Compressors |
| 09/25/2013 | CN101672871B Voltage reduction detection circuit and switching power supply system |
| 09/24/2013 | US8542511 Single-phase voltage source AC/DC converter and interconnection system |
| 09/24/2013 | US8542510 Power supply input device converting discharge resistance |
| 09/24/2013 | US8542502 Electrical power conversion apparatus |
| 09/24/2013 | US8541989 Power supply apparatus |
| 09/24/2013 | CA2510077C Spatially decoupled twin secondary coils for optimizing transcutaneous energy transfer (tet) power transfer characteristics |
| 09/19/2013 | WO2013137518A1 Bidirectional high-frequency resonator and bidirectional transformer using same |
| 09/19/2013 | WO2013136772A1 Wire rod softening device |
| 09/19/2013 | WO2013136378A1 Power conversion apparatus |
| 09/19/2013 | WO2013134994A1 Naturally freewheeling alternating current chopper main circuit structure |
| 09/19/2013 | US20130242624 Power module and power conversion apparatus |
| 09/19/2013 | US20130242623 Power converter and integrated dc choke therefor |
| 09/19/2013 | US20130241310 Hall effect transformer |
| 09/18/2013 | EP2639952A2 Power converter and integrated DC choke therefor |
| 09/18/2013 | CN203206128U Three-phase alternating current-to-single-phase alternating current conversion device |
| 09/18/2013 | CN203206127U Transformer control circuit of voltage regulator |
| 09/18/2013 | CN203206126U Compensation type voltage stabilizing device starting tripping prevention device |
| 09/18/2013 | CN203206125U Input voltage automatic switch device for mahjong machine |
| 09/18/2013 | CN203206124U Intelligent voltage regulating device used in user side grid-connected inverse power transmission |
| 09/18/2013 | CN203206123U Energy-saving power converter |
| 09/18/2013 | CN103314516A Method and apparatus for resonant power conversion |
| 09/18/2013 | CN103312189A Three-level converter for direct-drive wind power generator set |
| 09/18/2013 | CN103312188A Power supply and testing method used for testing performance of electric reactor in power electronic device |
| 09/18/2013 | CN103312187A Current transformer system |
| 09/18/2013 | CN103312186A Switching-element drive circuit |
| 09/18/2013 | CN103312185A Power module and power conversion unit |
| 09/18/2013 | CN103312184A Power circuit, current transformer structure and wind generator system comprising both |
| 09/18/2013 | CN103312183A Power supply for electric reactor performance testing in phase-control rectifying circuit and test method thereof |
| 09/18/2013 | CN103312182A Ultrasonic electronic water purifier circuit |
| 09/18/2013 | CN103312181A New method for using machine core of superconducting energy output machine |
| 09/18/2013 | CN103312180A Constant current mode controller in AC inverter |
| 09/18/2013 | CN102403956B Motor driving apparatus |
| 09/17/2013 | US8537575 Power converter and integrated DC choke therefor |
| 09/12/2013 | WO2013132545A1 Power converter |
| 09/12/2013 | WO2013132538A1 Power conversion device, power conversion method, motor system, and two-phase induction motor |
| 09/12/2013 | WO2013131400A1 Electric locomotive traction converter and electric drive system |
| 09/12/2013 | US20130235626 Three-phase three-level soft-switched pfc rectifiers |
| 09/12/2013 | US20130235625 Ac-ac converter |
| 09/12/2013 | US20130235624 Electric Inverter |
| 09/12/2013 | US20130234641 Converter system |
| 09/12/2013 | DE102012101930A1 Primary switching power supply for supplying output voltage to laptop that is utilized for making e.g. changes at controller of machine, has input side supplied with voltage, where supply is designed according to specific requirements |
| 09/11/2013 | EP2637297A2 Power converter having radiation noise reduction switch |
| 09/11/2013 | EP2637296A1 HVDC converter station with 2-phase modular multilevel converter and Scott-T 2 to 3 phase transformer |
| 09/11/2013 | CN203193516U Converter control device and air conditioner with converter control device |
| 09/11/2013 | CN203193515U Switch element driving circuit |
| 09/11/2013 | CN203193500U Switching power supply and charging loop thereof |
| 09/11/2013 | CN203186126U Low-frequency traction power supply system |
| 09/11/2013 | CN103299530A Assembly for converting an input AC voltage to an output AC voltage |
| 09/11/2013 | CN103299529A Power supply system comprising a multiphase matrix converter and method for operating same |
| 09/11/2013 | CN103296898A Power converting apparatus |
| 09/11/2013 | CN103296897A Traction converter and electric transmission system of electric locomotive |
| 09/11/2013 | CN102497202B Digital phase-shift circuit and improved AC (Alternating Current) power source thereof |
| 09/11/2013 | CN102291003B Intelligent power module for three-phase bridge type drive |
| 09/11/2013 | CN101960702B Direct AC power converter |
| 09/11/2013 | CN101951160B Cascade module control system |
| 09/06/2013 | WO2013130054A1 Ups having a delta converter utilized as input power regulator in a double conversion system |
| 09/05/2013 | US20130229835 Power converting apparatus |
| 09/05/2013 | US20130229834 Transformer Construction |
| 09/04/2013 | EP2634905A2 Power converting apparatus |
| 09/04/2013 | EP2634900A1 Two-wire dimmer |
| 09/04/2013 | CN203180789U Power supply for electroplating |
| 09/04/2013 | CN203180788U Ship-used 60 Hz shore power supply multi-level high-voltage frequency converter |