| 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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| 02/09/2005 | CN1578092A 功率控制电路 Power control circuit |
| 02/09/2005 | CN1577194A 可编程灯具控制器 Programmable lighting controller |
| 02/08/2005 | US6853569 DC to DC converter |
| 02/08/2005 | US6853097 Uniterruptible power supply and its starting method |
| 02/08/2005 | CA2175035C Switchmode ac power controller |
| 02/03/2005 | WO2005010931A2 Mutilayer piezoelectric transformer |
| 02/03/2005 | DE10358598A1 Vektorgesteuertes Dualumrichtersystem für einen Induktionsmotor Vector Controlled Dualumrichtersystem for an induction motor |
| 02/03/2005 | DE10330283A1 Potential shift limiting device for intermediate DC circuit of power converter supplying electric motor has junction point of 2 series diodes coupled to star-point of star-point circuit connected to network phases |
| 02/02/2005 | EP1503491A2 Motor driving apparatus |
| 02/02/2005 | CN2676463Y Network dimmer |
| 02/02/2005 | CN1574604A Motor driving apparatus |
| 02/02/2005 | CN1574603A Motor driving apparatus |
| 02/02/2005 | CN1574591A Power supply for positive and negative output voltages |
| 02/02/2005 | CN1574584A Control unit and compressor used thereby |
| 02/02/2005 | CN1573636A Power management system for a floor care appliance |
| 02/01/2005 | US6850424 Inverter with a line-side and load-side freewheeling pulse converter using SiC switching elements |
| 02/01/2005 | US6849834 Apparatus for cycle-skipping power control |
| 02/01/2005 | US6849827 Method and apparatus for receiving a universal input voltage in a welding power source |
| 01/27/2005 | US20050018460 Method and apparatus for implementing same phase power supply scheme |
| 01/27/2005 | US20050018459 Frequency converter and drive for electric motor |
| 01/27/2005 | DE10330473A1 Frequenzumwandler für Hochgeschwindigkeitsgeneratoren Frequency converter for high speed generators |
| 01/27/2005 | DE10327344A1 Windenergieanlage Wind turbine |
| 01/26/2005 | EP1500310A1 Dimmer circuit with improved inductive load imbalance protection |
| 01/26/2005 | EP1499935A1 Dimmer circuit with improved ripple control |
| 01/26/2005 | CN2674759Y Single phase ac multifunction electricity saver |
| 01/26/2005 | CN1571264A Motor driving apparatus |
| 01/26/2005 | CN1571260A Inverted welding power source system |
| 01/26/2005 | CN1571258A Non-isolation type AC power supply unit and control method thereof |
| 01/26/2005 | CN1571256A Negative current generator |
| 01/26/2005 | CN1571234A Ultralow frequency transmission system |
| 01/25/2005 | US6847531 System and method for regenerative PWM AC power conversion |
| 01/20/2005 | WO2005006531A1 Three-phase power converter and power converter |
| 01/20/2005 | WO2004098013A3 Method and apparatus for electrical power transfer |
| 01/20/2005 | US20050013145 Converter with damping mechanism for the avoidance of resonances |
| 01/20/2005 | US20050012414 Method and apparatus for isolated transformation of a first voltage into a second voltage for measurement of electrical bioimpedances or bioconductances |
| 01/19/2005 | EP1499006A1 Device for potentially separated conversion of a first tension into a second tension to measure impedance and admittance of biological tissues |
| 01/19/2005 | EP1497913A1 Converter system, method and converter |
| 01/19/2005 | EP1497911A2 Power supply with a direct converter |
| 01/19/2005 | EP1336242B1 Method for controlling a matrix converter |
| 01/19/2005 | EP1336241B1 Method for controlling a matrix converter |
| 01/19/2005 | CN2671737Y Thyrister circular iron core AC/DC arc welder |
| 01/19/2005 | CN1568124A Electronic stabilizer with wave crest factor correction |
| 01/19/2005 | CN1567709A AC voltage-stabilizing, voltage and speed regulating device |
| 01/19/2005 | CN1567686A Power transformation installation of hanging unit |
| 01/18/2005 | US6845020 Power converter system |
| 01/18/2005 | CA2475172A1 Method and apparatus for isolated transformation of a first voltage into a second voltage for measurement of electrical bioimpedances or bioconductances |
| 01/13/2005 | WO2005004317A2 Frequency converter for high-speed generators |
| 01/13/2005 | WO2004068683A3 Generator with dual cycloconverter for 120/240 vac operation |
| 01/13/2005 | WO2003094330B1 Active common mode emi filters |
| 01/13/2005 | US20050007799 Frequency converter and its control method |
| 01/12/2005 | EP1496605A1 Frequency converter and its control method |
| 01/12/2005 | EP1495533A1 Power converter |
| 01/12/2005 | CN2671223Y Laser impulse power supply without main transformer |
| 01/12/2005 | CN1564438A Switcing linear composite free waveform power transformer |
| 01/12/2005 | CN1184735C Frequency varying driven washer |
| 01/11/2005 | US6842069 Active common mode EMI filters |
| 01/06/2005 | US20050002212 Electric power converting device |
| 01/06/2005 | US20050002210 Vector-controlled dual inverter system and method for induction motor |
| 01/05/2005 | EP1494344A1 Multilevel power converting apparatus |
| 01/05/2005 | EP1494343A2 Frequency converter and drive for electric motor |
| 01/05/2005 | CN2669542Y Power supply circuit for micro power consumption digital wireless multi-controlled switch |
| 01/05/2005 | CN2669472Y Automatic control device for power supply rectifier |
| 01/05/2005 | CN2669471Y Power supply device of hot-runner temperature controller with variable input voltage |
| 01/05/2005 | CN2669435Y Multipurpose wall-mounted voltage-regulating combined switch |
| 01/05/2005 | CN1560989A On-load smooth regulating trnsformer |
| 01/04/2005 | US6839250 Active EMI filter with feed forward cancellation |
| 01/04/2005 | US6839249 AC-to-ac power converter without a dc link capacitor |
| 12/30/2004 | US20040267468 Low harmonic diode clamped converter/inverter |
| 12/30/2004 | US20040264223 Switched capacitor power converter |
| 12/30/2004 | US20040263141 Power supply with feed forward circuit |
| 12/30/2004 | US20040262996 Phase conversion device with built-in demand reduction / power boosting. |
| 12/30/2004 | DE10324678A1 Decentralized drive control system has pluggable frequency converter modules, which are not dependent on a reduced parameter set |
| 12/30/2004 | DE10323503A1 Power converter e.g. for railroad traction engineering, has identical two-pole networks arranged in bridge branches of parallel converter phases |
| 12/29/2004 | WO2004114493A2 Wind farm |
| 12/29/2004 | WO2004073148A3 Ac voltage regulator apparatus and method |
| 12/29/2004 | CN2667792Y AC driving voltage positive and negative amplitude ratio adjustable drivng circuit |
| 12/28/2004 | US6836099 Electrical power conservation apparatus and method |
| 12/23/2004 | US20040257843 Energy converting device |
| 12/23/2004 | US20040256916 Switching assembly |
| 12/22/2004 | CN2666081Y Touch type light modulating inductor |
| 12/22/2004 | CN2666031Y Five-levels bidirectional inverted middle and high voltage frequency conversion power supply device |
| 12/22/2004 | CN1557044A Power converter |
| 12/16/2004 | DE10323218A1 High voltage converter for rail traction, is formed from input current converter based on series-connected power semiconductor switches, intermediate circuit and high-voltage inverter |
| 12/16/2004 | DE10323009A1 Steuerverfahren für einen Stromrichter A control method for a power converter |
| 12/15/2004 | CN1555125A Harmonic current suppressor |
| 12/15/2004 | CN1180527C Power supply source for photoelectricity type current transformer |
| 12/14/2004 | US6831849 Conversion of single phase to multiple phase alternating current |
| 12/14/2004 | CA2152625C Closed loop pulse width modulator inverter with volt-seconds feedback control |
| 12/09/2004 | US20040246641 Inverter control unit for motor driving and air-conditioner employing the same |
| 12/09/2004 | US20040245961 Motor driving apparatus |
| 12/09/2004 | US20040245952 Motor driving apparatus |
| 12/09/2004 | US20040245951 Motor driving apparatus |
| 12/08/2004 | EP1484832A2 Motor driving apparatus |
| 12/08/2004 | EP1484831A2 Motor driving apparatus |
| 12/08/2004 | CN1553559A Power-limiting variable-voltage power supply |
| 12/02/2004 | WO2004105225A2 Converter circuit |
| 12/02/2004 | WO2004091087A3 Energy saving electrical power control device and method |
| 12/02/2004 | US20040240237 Power converter |
| 12/02/2004 | US20040239297 Signal generation apparatus and method for seafloor electromagnetic exploration |
| 12/02/2004 | DE10319207A1 Netzpulsstromrichter Voltage source convertors |