| 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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| 07/07/2005 | WO2005062455A1 Device for power adjustment by phase control and method for reduction of harmonic waves |
| 07/07/2005 | WO2005062448A2 Device for producing switch signals for regulating the frequency in a converter in addition to an associated method used to determine the point in time of the switch signal |
| 07/07/2005 | WO2005060570A2 Ac to dc converter circuit |
| 07/07/2005 | DE10357396A1 Unit producing current for cathodic corrosion protection, e.g. for large systems such as pipelines, applies thyristor control to transformer primary supply |
| 07/06/2005 | CN1635684A A transmission and distribution system, and method of transmission and distribution |
| 07/05/2005 | US6914790 Motor driving controller |
| 06/30/2005 | WO2005060081A1 Converter circuit with two partial converters |
| 06/30/2005 | WO2005060080A1 Pwm cycloconverter input voltage detection method and device |
| 06/30/2005 | WO2005059570A2 Step sinusoidal voltage controlling method for hid, fluorescent and incandescent light dimming applications |
| 06/30/2005 | US20050140142 Transformerless, load adaptive speed controller |
| 06/29/2005 | CN2706956Y Hybrid unit cascade high-voltage frequency changer |
| 06/29/2005 | CN2706889Y Ultra-thin relay coupled terminal bank |
| 06/29/2005 | CN1633020A Non-master transformer type laser pulse power supply and operating method thereof |
| 06/29/2005 | CN1633019A 智能型电子变压器 Intelligent electronic transformer |
| 06/29/2005 | CN1633018A Method and apparatus for detecting validity of monitoring current flow of frequency converter |
| 06/28/2005 | US6911805 Apparatus for power transmission |
| 06/28/2005 | US6911797 Multi-axes industrial processing machine |
| 06/28/2005 | CA2217886C Energy control device |
| 06/23/2005 | US20050134248 Methods and systems for load bank control and operation |
| 06/22/2005 | EP1544992A1 Converter circuit with two subconverters |
| 06/22/2005 | EP1544989A1 Power module for ac/ac power conversion |
| 06/21/2005 | US6909258 Circuit device for driving an AC electric load |
| 06/21/2005 | CA2239071C Apparatus and method for interline power flow control |
| 06/16/2005 | WO2005055403A2 Multifunction hybrid intelligent universal transformer |
| 06/16/2005 | US20050128778 Power factor correction apparatus with embedded DC-DC converter |
| 06/16/2005 | US20050128776 System and method of detecting phase body diode using a comparator in a synchronous rectified FET driver |
| 06/16/2005 | US20050127880 Induction generator power supply |
| 06/16/2005 | US20050127048 Power supply for electric arc welding |
| 06/16/2005 | DE10353896A1 Frequency converter for static run-up device esp. for turbine installation, includes DC link circuit with part circuits |
| 06/16/2005 | CA2566356A1 Multifunction hybrid intelligent universal transformer |
| 06/15/2005 | EP1542348A1 Electric load device, abnormality handling method, and computer-readable recording medium storing therein program for causing computer to execute electric load abnormality handling |
| 06/15/2005 | EP1542331A1 Power supply system |
| 06/15/2005 | EP1540806A1 Global closed loop control system with dv/dt control and emi/switching loss reduction |
| 06/15/2005 | CN2704964Y Self-excited AC/AC inverters |
| 06/15/2005 | CN2704963Y Electronic regulators |
| 06/15/2005 | CN1628409A Voltage source and current source with capacitor |
| 06/15/2005 | CN1627619A Power supply circuit for kitchen utensil |
| 06/14/2005 | US6906576 High precision digital-to-analog converter with optimized power consumption |
| 06/09/2005 | US20050122090 Voltage source and current source with capacitor |
| 06/09/2005 | DE102004049104A1 Leistungswandler und ein denselben verwendendes System Power converter and a system using the same |
| 06/08/2005 | EP1538733A2 Charging of a filter capacitor in the intermediate circuit of a frequency converter |
| 06/08/2005 | CN2704157Y Three-phase non-phase-shift inductive voltage regulating combination apparatus |
| 06/08/2005 | CN1625036A High-pressure frequency transformer zigzag connected by power device base section |
| 06/08/2005 | CN1625035A Uninterruptive bypass device for high/low voltage phase |
| 06/08/2005 | CN1205734C Power conversion device |
| 06/01/2005 | EP1536548A1 Voltage conversion device, voltage conversion method, and computer-readable recording medium containing program for causing computer to execute voltage conversion control |
| 06/01/2005 | CN1623271A Lamp transformer for use with an electronic dimmer and method for use thereof for reducing acoustic noise |
| 06/01/2005 | CN1622440A Multi-level matrix AC-AC frequency conversion device |
| 06/01/2005 | CN1204679C Power conversion device |
| 06/01/2005 | CN1204678C Portable power unit |
| 05/31/2005 | US6900998 Variable-speed wind power system with improved energy capture via multilevel conversion |
| 05/31/2005 | US6900601 Control circuit of two current unidirectional switches |
| 05/26/2005 | WO2004038892A3 Hybrid variable speed generator/uninterruptible power supply power converter |
| 05/26/2005 | US20050111245 Multifunction hybrid intelligent universal transformer |
| 05/25/2005 | CN2702528Y Superaudio welding power source |
| 05/25/2005 | CN1619935A High voltage variable frequency device |
| 05/24/2005 | US6898089 Solid state converter for high voltages |
| 05/21/2005 | CA2450507A1 Methods and systems for load bank control and operation |
| 05/19/2005 | WO2005046034A1 Harmonic neutralized frequency changer |
| 05/19/2005 | US20050105312 Method of controlling half-controlled rectifier, and rectifier structure |
| 05/19/2005 | US20050105306 Power converter system |
| 05/18/2005 | CN2701162Y AC welding or heating power supply with three-phase 50Hz input and single-phase 150Hz output |
| 05/18/2005 | CN1618048A Power redgulator employing sinusoidal refferene |
| 05/18/2005 | CN1202612C Electroplating power supply unit |
| 05/17/2005 | US6894461 Bidirectional power conversion with multiple control loops |
| 05/12/2005 | WO2005043775A1 Communication apparatus and method |
| 05/12/2005 | WO2005010931A3 Mutilayer piezoelectric transformer |
| 05/12/2005 | US20050099829 Dual bridge matrix converter |
| 05/12/2005 | US20050099131 Electrical power conservation apparatus and method |
| 05/12/2005 | CA2544006A1 Communication apparatus and method |
| 05/12/2005 | CA2543461A1 System and methods for charging batteries |
| 05/11/2005 | EP1529335A1 Device for controlling power by phase control, and method for reducing harmonic waves |
| 05/11/2005 | CN2699616Y Three-phase intelligent lighting controller |
| 05/11/2005 | CN1614837A Assembled trans formers |
| 05/11/2005 | CN1201478C Power supply equipwent |
| 05/05/2005 | US20050093588 Methods and systems for fully differential frequency doubling |
| 05/05/2005 | US20050093375 Line voltage variation compensation apparatus |
| 05/04/2005 | EP1528660A1 Three-phase bridge rectifier |
| 05/04/2005 | CN2697941Y Infrared ray remote controlled voltage-adjusting electronic switch |
| 04/28/2005 | WO2005039026A2 A high precision digital-to-analog converter with optimized power consumption |
| 04/28/2005 | US20050088861 Harmonic neutralized frequency changer |
| 04/27/2005 | EP1526633A2 Device for providing an alternating current |
| 04/27/2005 | CN2696265Y Electric-saving controller for streetlight |
| 04/27/2005 | CN2696264Y Automatic controller of energy-saving lighting switch |
| 04/27/2005 | CN2696201Y Small high-voltage supply unit for preparing ceramic oxide-film |
| 04/27/2005 | CN1610453A 24 pulse wave rectifier large power variable frequency induction smelting system |
| 04/27/2005 | CN1610452A Double-power supply inductive smelting system |
| 04/26/2005 | US6885569 Energy converting device |
| 04/26/2005 | US6885171 Compensation of reactive power via a frequency converter |
| 04/21/2005 | WO2004084389A3 System for transferring load between sources |
| 04/21/2005 | US20050083716 Power supply with a direct converter |
| 04/21/2005 | US20050083624 Coupling node |
| 04/21/2005 | DE10392579T5 Aktiver Common Mode Emi Filter Active Common Mode Emi Filter |
| 04/21/2005 | CA2540306A1 Converter circuit for switching a large number of switching voltage levels |
| 04/20/2005 | EP1524758A2 Power supply apparatus for traveling-wave tube which eliminates high voltage relay |
| 04/20/2005 | CN1198383C Power supply equipment |
| 04/19/2005 | US6882550 Harmonic neutralized frequency changer |
| 04/19/2005 | US6881193 Non-invasive device and method for the diagnosis of pulmonary vascular occlusions |
| 04/14/2005 | WO2005034326A1 Power converter |
| 04/14/2005 | WO2005034323A1 Piezoelectric transformer driving apparatus and piezoelectric transformer driving method |