| 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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| 02/16/2011 | CN201750345U Frequency adjustment power supply for ozone generator and the ozone generator |
| 02/16/2011 | CN201750344U Three-phase AC induction motor frequency converter for automatic expanding door |
| 02/16/2011 | CN201750343U Voltage detection control device |
| 02/16/2011 | CN201750163U Three-phase energy saving feedback load |
| 02/16/2011 | CN101976965A Direct-current tracing control high-power photovoltaic grid-connected inverter |
| 02/16/2011 | CN101976958A High-efficiency power regulating device based on power factor correction |
| 02/16/2011 | CN101976957A Four-quadrant converter circuit and control method thereof |
| 02/16/2011 | CN101976956A Single-direction power-transmitted low-cost direct-current transmission system |
| 02/16/2011 | CN101976955A Variable-pitch servo driver with function of energy storage |
| 02/16/2011 | CN101976954A Frequency converter and method for eliminating harmonic and compensating reactive power |
| 02/16/2011 | CN101972881A Asymmetrical half-bridge zero-voltage soft switching inverter type welding and cutting machine |
| 02/16/2011 | CN101972880A Half-bridge soft switch inversion type welding and cutting machine |
| 02/15/2011 | US7890217 Integrated real-time power and solar farm control system |
| 02/15/2011 | US7889526 Cat-ear power supply having a latch reset circuit |
| 02/10/2011 | WO2011015227A1 Converter with reactive power compensation |
| 02/10/2011 | US20110032734 Cascaded switching power converter for coupling a photovoltaic energy source to power mains |
| 02/09/2011 | EP2282399A1 Static converter and method for starting the converter |
| 02/09/2011 | CN201742308U Ultrasonic cleaning machine circuit |
| 02/09/2011 | CN201742307U Voltage-controlled phase shift energy-saving circuit |
| 02/09/2011 | CN201742306U Output isolated power supply conversion device |
| 02/09/2011 | CN201742305U Low-voltage non-harmonic frequency converter |
| 02/09/2011 | CN201742304U Novel frequency converter |
| 02/09/2011 | CN201742303U Alternating-current pressure regulating device |
| 02/09/2011 | CN201742302U Loaded voltage-regulating power box-type transformer |
| 02/09/2011 | CN201742301U Circuit structure for electrical heating power regulator of platinum channel |
| 02/09/2011 | CN201742300U Phase sequence converter |
| 02/09/2011 | CN201741559U Three-phase balancing autotransformer and intelligent power-saving system |
| 02/09/2011 | CN101971451A Wind energy plant having a double-energized asynchronous generator and converter control |
| 02/09/2011 | CN101969268A Wind driven generator control system |
| 02/09/2011 | CN101969168A System for automatically dividing voltage |
| 02/08/2011 | US7885089 Electric power generation and conversion with controlled magnetics |
| 02/08/2011 | US7884585 Pre-biased circuit for synchronous rectified power converters |
| 02/03/2011 | WO2011012689A2 A high-voltage frequency conversion device |
| 02/03/2011 | WO2011012143A1 Apparatus and method for generating electric energy in an electric power transmission system |
| 02/03/2011 | US20110026280 Power conversion apparatus |
| 02/03/2011 | DE102009033678A1 Drive converter, has series resonance circuit electrically connected parallel to capacitor of slender intermediate circuit, where cutoff frequency of resonance circuit is synchronized with switching frequency of pulse-controlled converter |
| 02/03/2011 | CA2769228A1 Apparatus and method for generating electric energy in an electric power transmission system |
| 02/02/2011 | CN201733237U Graphitization furnace power supply device |
| 02/02/2011 | CN201733235U Multifunctional high-power electronic loader |
| 02/02/2011 | CN201733234U Special-purpose inverter power supply for skin effect cable |
| 02/02/2011 | CN201733233U High-voltage high-power frequency inverter |
| 02/02/2011 | CN201733232U 变频电源 Frequency Power |
| 02/02/2011 | CN201733231U Power system main circuit for electrical prospecting |
| 02/02/2011 | CN201733230U High voltage transducer circuit structure |
| 02/02/2011 | CN201733229U Special-purpose transformer for tripling frequency skin effect electromagnetic induction cable |
| 02/02/2011 | CN201733228U Device for reducing standby loss |
| 02/02/2011 | CN201733227U Power supply with normal judgment unit |
| 02/02/2011 | CN101964592A Method for compensating dead area of universal frequency transformer |
| 02/02/2011 | CN101964591A Single-phase static inverter |
| 02/02/2011 | CN101964590A Power converter |
| 02/01/2011 | US7881087 Matrix converter and control method for the matrix converter |
| 02/01/2011 | US7881078 Twelve-pulse HVDC transmission |
| 01/27/2011 | WO2011009285A1 Movable shore power variable frequency power supply device |
| 01/27/2011 | DE102009033228A1 Kunststoffverarbeitungsmaschine und Verfahren zum Betreiben einer solchen Plastic processing machine and method for operating such |
| 01/26/2011 | CN201726578U Active electronic ballast |
| 01/26/2011 | CN201726319U Single phase alternating current converter |
| 01/26/2011 | CN201726318U Non-DC link single-phase power electronic transformer |
| 01/26/2011 | CN201726301U Combined high-voltage explosion-proof frequency converter |
| 01/26/2011 | CN101960704A Method for detecting state quantity in power converter and power converter |
| 01/26/2011 | CN101960703A Power supply arrangement |
| 01/26/2011 | CN101960702A Direct AC power converter |
| 01/26/2011 | CN101958653A Current-type multi-level converter system for wind power integration |
| 01/26/2011 | CN101958652A Power supply multigroup output circuit |
| 01/26/2011 | CN101958651A Transformer on-load tap changer using MEMS technology |
| 01/26/2011 | CN101483392B Large capacity cascade multi-phase multi-level power converter without transformer |
| 01/26/2011 | CN101471174B Isolation transformer |
| 01/26/2011 | CN101295936B Exterior feeding control power supply of high voltage frequency convertor power unit |
| 01/26/2011 | CN101119090B High voltage synchronous machine whole digitization vector control device |
| 01/25/2011 | US7876083 Digital compensation tuning for switching power supply control |
| 01/20/2011 | WO2011008567A2 Power transfer devices, methods, and systems with crowbar switch shunting energy-transfer reactance |
| 01/20/2011 | US20110013441 Static converter and method for starting up the converter |
| 01/20/2011 | US20110013440 Rectifier circuit |
| 01/20/2011 | US20110013428 Modular multi-pulse transformer rectifier for use in asymmetric multi-level power converter |
| 01/20/2011 | US20110013427 Utility grid power averaging and conditioning |
| 01/20/2011 | DE102009054785A1 Braking chopper for removal of braking energy from intermediate voltage circuit of intermediate voltage-converter, has three-phase power inverter module that is linked at direct current side with connectors of intermediate voltage circuit |
| 01/20/2011 | DE102009033515A1 Statischer Umformer und Verfahren zum Anfahren des Umformers Static converters and method for starting the converter |
| 01/19/2011 | EP2276162A1 Method and control system for controlling a brushless electric motor |
| 01/19/2011 | CN201717799U Gas shielded submerged arc weld digital power supply system with double ARM control |
| 01/19/2011 | CN201717792U Energy taking power supply of overhead line |
| 01/19/2011 | CN201717789U Series-type power quality compensator based on AC/AC chopper |
| 01/19/2011 | CN1741361B Power supply apparatus and method |
| 01/19/2011 | CN101951183A Integrated solar-wind efficient intelligent hybrid inverter power supply device |
| 01/19/2011 | CN101951171A Transforming device |
| 01/19/2011 | CN101951169A Output frequency stabilizing device of variable frequency power source |
| 01/19/2011 | CN101951168A Alternating current (AC) converter for converting high voltage to low voltage |
| 01/19/2011 | CN101951167A PWM controller of doubly-fed wind power converter |
| 01/19/2011 | CN101951166A Feedforward control method for intermediate-frequency lower twin-stage matrix converter |
| 01/19/2011 | CN101951165A Single-phase alternating current converter of direct current link |
| 01/19/2011 | CN101951164A Single-phase AC converter for intermediate DC voltages |
| 01/19/2011 | CN101951163A Single-phase alternating current converter for alternating current link |
| 01/19/2011 | CN101951162A Pulse width control method of modular multilevel converter |
| 01/19/2011 | CN101951161A Control system for suppressing current oscillation and distortion of three phase-single phase matrix converter |
| 01/19/2011 | CN101951160A Cascade module control system |
| 01/13/2011 | US20110007531 Direct ac power converting apparatus |
| 01/13/2011 | US20110007530 Variable frequency drive soft charge circuit |
| 01/13/2011 | DE102009031257A1 Umrichter und Verfahren zum Betreiben einer Anlage mit Umrichter Converter and method for operating a system with inverter |
| 01/13/2011 | CA2708001A1 System and method for combining the outputs of multiple, disparate types of power sources |
| 01/12/2011 | CN201708702U High-frequency high-pressure generator for medical high-frequency diagnosis X-ray machine |
| 01/12/2011 | CN201708701U Power assembly of back-to-back type three-level static frequency converter |
| 01/12/2011 | CN201708700U Voltage booster |