| 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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| 06/24/2009 | EP2073363A1 Electronic Control Systems and Methods |
| 06/24/2009 | EP1273091B1 An improved electrical substation |
| 06/24/2009 | CN201263126Y Low-voltage power consumption synthesis electricity-saving device |
| 06/24/2009 | CN101465607A Harmonic injection type directly-driving wind electric converter |
| 06/24/2009 | CN101465606A Parallel-in converter for directly-driving wind power generation system |
| 06/24/2009 | CN100505971C Phase controller |
| 06/24/2009 | CN100505506C Power supply for positive and negative output voltages |
| 06/24/2009 | CN100505501C Device for feeding auxiliary operating devices for a fuel electric vehicle |
| 06/24/2009 | CN100505500C Converter and power converter using the converter |
| 06/24/2009 | CN100505499C A railway engine AC traction in-phase power supply device based on YN,vd wiring transformer |
| 06/23/2009 | US7551462 Soft switching DC-DC converter including a buck converter and a boost converter sharing a common transformer |
| 06/18/2009 | US20090154210 Bidirectional field-effect transistor and matrix converter |
| 06/18/2009 | US20090154201 Alternating voltage generator equipped with a current limiting device |
| 06/18/2009 | US20090151362 Motor drive architecture for high frequency ac bus |
| 06/18/2009 | DE202009003325U1 Vorrichtung zum Zünden und zur Inbetriebnahme von Siliziumstäben Device for igniting and commissioning of silicon rods |
| 06/17/2009 | EP2071692A1 Motor drive architecture for high frequency AC bus |
| 06/17/2009 | EP2070396A2 Power controller having current limited rms voltage regulated output |
| 06/17/2009 | EP2070184A1 Method and switching arrangement for the feedback of commutation energy of three-phase current drive systems with a current intermediate circuit converter |
| 06/17/2009 | CN201260133Y Large power electric electronic interface device |
| 06/17/2009 | CN101461123A High-voltage ac direct power converter |
| 06/17/2009 | CN101459386A Electricity production feedback system using renewable energy source |
| 06/17/2009 | CN101459385A Hybrid type current transformer device |
| 06/17/2009 | CN100502218C Source transfer circuit, and power supply system of using the circuit |
| 06/17/2009 | CN100502217C 24 pulse wave rectifier large power variable frequency induction smelting system |
| 06/17/2009 | CN100502216C Non-isolation type AC power supply unit and control method thereof |
| 06/17/2009 | CN100502215C Protection circuit of frequency converter |
| 06/11/2009 | US20090147549 Power converters |
| 06/10/2009 | EP2068423A1 An AC power generation system |
| 06/10/2009 | EP2067227A2 Drive energy supply in rail vehicles |
| 06/10/2009 | DE102007059789B3 Harmonic and inter harmonic waves reducing method for power control of electrical load attached at alternating voltage network by leading edge, involves averaging ignition angle on sequence corresponding to preset value of ignition angle |
| 06/10/2009 | CN201256363Y Large power low frequency electric power for electromagnetic agitator |
| 06/10/2009 | CN201256362Y Non-complementary cutting control type intelligent AC voltage stabilizing and regulating device |
| 06/10/2009 | CN201256361Y Arc extinguishing compensating type AC voltage regulating and stabilizing apparatus |
| 06/10/2009 | CN201256360Y Intelligent multifunctional low voltage frequency changing power device |
| 06/10/2009 | CN100499345C Power conversion device using matrix converter |
| 06/10/2009 | CN100499344C Zeta type three-level AC-AC converter |
| 06/10/2009 | CN100499343C AC-AC three level AC-AC converter based on positive converter |
| 06/10/2009 | CN100499342C Power regulator |
| 06/10/2009 | CN100499341C Voltage adjustable drive in AC power source of sine wave |
| 06/10/2009 | CN100499340C Sampling control power converter for winding voltage |
| 06/10/2009 | CN100499339C Power source adapting device and method |
| 06/09/2009 | US7545655 Inverter apparatus |
| 06/04/2009 | WO2009068745A1 Control circuit and control method |
| 06/04/2009 | US20090141526 Harmonics related synchronization for switching regulators |
| 06/04/2009 | DE202009002289U1 Anordnung zum Speisen von Leistung Arrangement for supplying power |
| 06/03/2009 | EP2065995A2 Motor drive with var compensation |
| 06/03/2009 | EP2065807A1 Frequency converter |
| 06/03/2009 | CN201252488Y High-power traction convertor |
| 06/03/2009 | CN201252487Y Power supply compensation, varying-voltage, adjustment and control modularized controller |
| 06/03/2009 | CN101447740A High-voltage converter current transforming unit with modularized space structure |
| 06/03/2009 | CN101447739A Three-phase AC power switching circuit |
| 06/03/2009 | CN100495885C Two-stage matrix convertor for megawatt wind power generation |
| 06/03/2009 | CN100495880C Piezoelectric transformer driving apparatus and piezoelectric transformer driving method |
| 06/02/2009 | US7542315 Active rectifier |
| 06/02/2009 | US7542308 DC-DC converter |
| 05/28/2009 | WO2009066840A2 Motor controller of air conditioner |
| 05/28/2009 | WO2009066839A2 Motor controller of air conditioner |
| 05/28/2009 | WO2009066838A2 Motor controller of air conditioner |
| 05/28/2009 | US20090135630 Converter And Power Converter That Becomes It With The Converter |
| 05/28/2009 | US20090135629 Universal Irrigation Controller Power Supply |
| 05/28/2009 | DE4496438B4 Verfahren zur Steuerung eines elektrischen Kopplers zur Kopplung eines Wechselstromnetzes mit einem asynchronen Generator oder Motor und Koppler A method for controlling an electric coupler for coupling an AC network with an asynchronous generator or motor and coupler |
| 05/28/2009 | DE10143279B4 Frequenzumrichter Frequency |
| 05/27/2009 | EP2063194A1 Motor controller of air conditioner |
| 05/27/2009 | EP2062348A1 Method and apparatus for braking a motor |
| 05/27/2009 | EP2062347A1 Method and device for reducing the influence of a dc component in a load current of an asynchronous three-phase motor |
| 05/27/2009 | CN201248157Y Electronic heating device |
| 05/27/2009 | CN201248014Y Voltage reverting circuit |
| 05/27/2009 | CN201248013Y Special switch power supply for vacuum contactor |
| 05/27/2009 | CN201247958Y Universal energy-saving protector |
| 05/27/2009 | CN101443992A Method for generating switching pattern of ac-ac direct converter |
| 05/27/2009 | CN101443991A Input/output duty control method for AC-AC direct conversion device |
| 05/27/2009 | CN101442288A Intelligent charger |
| 05/27/2009 | CN101442264A Double three-phase power commutating power supply |
| 05/27/2009 | CN101442263A Single-phase to three-phase converter |
| 05/27/2009 | CN101442262A High integration IGBT converter module |
| 05/27/2009 | CN101442261A Single-phase universal multifunctional intelligent electricity-saving device |
| 05/27/2009 | CN101442255A Three-phase/biphase coordinates conversion method for frequency changer |
| 05/27/2009 | CN101442253A Three-phase/biphase coordinates conversion circuit for frequency changer |
| 05/27/2009 | CN101442247A Six-phase switch reluctance motor system |
| 05/27/2009 | CN100492861C Method of forming a power supply control and device therefor |
| 05/27/2009 | CN100492857C Power converter |
| 05/27/2009 | CN100492851C Method for controlling an converter that is connected to a direct-current source |
| 05/27/2009 | CN100492850C High-voltage frequency transformer zigzag connected by power device base section |
| 05/27/2009 | CN100492849C Frequency-converter device |
| 05/27/2009 | CN100492832C Propulsion power system |
| 05/26/2009 | US7539029 3-phase solar converter circuit and method |
| 05/26/2009 | US7538532 Bidirectional power conversion with multiple control loops |
| 05/21/2009 | US20090129128 Uninterruptible power supply apparatus |
| 05/21/2009 | US20090129126 Single Phase Power Supply for Inductively Coupled Power Transfer Systems |
| 05/20/2009 | CN201243218Y Electrodeless adjustable power-saving charger |
| 05/20/2009 | CN201243137Y Common power supply component for split mounting type multifunctional socket |
| 05/20/2009 | CN101438487A Method and device for transforming and regulating a voltage signal |
| 05/20/2009 | CN101436080A Ultramicro power consumption standby power supply |
| 05/20/2009 | CN100490293C Power conversion apparatus |
| 05/20/2009 | CN100490292C Parallel multiplex matrix converter |
| 05/20/2009 | CN100490291C Step-up high frequency link AC-AC transducer |
| 05/20/2009 | CN100490290C High efficient switchover power converter |
| 05/20/2009 | CN100490289C Non-isolation type AC-AC tri-level converter |
| 05/20/2009 | CN100490288C Energy recovery system |
| 05/19/2009 | US7535737 AC/AC multiple-phase power converter configured to be mounted on a substrate |