| 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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| 03/01/2000 | EP0982843A2 Power converter |
| 03/01/2000 | CN1246218A Driving mechanism for industrial installations, in particular for primary industry installations |
| 02/29/2000 | US6031749 Universal power module |
| 02/23/2000 | EP0916168B1 A phase control device |
| 02/23/2000 | CN2365705Y Full-automatic multiple protection AC regulated voltage stabilized power supply |
| 02/22/2000 | US6028777 High frequency power supply generator |
| 02/22/2000 | CA2154699C Energy saving power control system |
| 02/17/2000 | WO2000008740A2 Arrangement for eliminating radio interferences in an electronic power regulator |
| 02/17/2000 | DE19831603A1 Schaltungsvorrichtung zur annähernd sinusförmigen Absenkung einer Wechselspannung Circuit means for lowering an approximately sinusoidal AC voltage |
| 02/16/2000 | EP0980134A1 Method of protecting a high power converter and protection device for implementing the method |
| 02/09/2000 | CN2363420Y AC-dc-ac power source device |
| 02/09/2000 | CN2363419Y Output power changeable power supply controller |
| 02/09/2000 | CN1049305C Power supply apparatus having high power-factor and low distortion-factor characteristics |
| 02/03/2000 | DE19834315A1 Schaltungsanordnung zur Messung und Begrenzung von Strömen in Umrichtern zur Speisung von Motoren Circuit arrangement for measuring and limiting currents in converters to feed motors |
| 02/02/2000 | EP0977337A2 Circuit for measuring and limiting currents in converters for supplying motors |
| 02/02/2000 | CN1243613A Control system for supply/recovery of energy from three-phase network into converter with variable voltage link |
| 02/01/2000 | US6020726 AC voltage regulator |
| 02/01/2000 | US6020713 Turbogenerator/motor pulse width modulated controller |
| 01/27/2000 | WO2000004629A1 Inverter system |
| 01/27/2000 | WO2000004628A1 Circuit device for approximately-sinusoidal lowering of an ac voltage |
| 01/27/2000 | DE19833551A1 Current supply system with DC link converter e.g. for locomotives and other rail-borne vehicles |
| 01/27/2000 | DE19833490A1 Voltage DC-link or indirect converter e.g. for locomotives and traction vehicles |
| 01/20/2000 | DE19832226A1 Four quadrant converter for amplitude or frequency modulated output using a combination of single phase converters |
| 01/20/2000 | DE19832225A1 Four quadrant converter for use with mid and high voltage for direct conversion of amplitude and frequency variable outputs |
| 01/19/2000 | CN1241839A Double phase change inverter circuit |
| 01/19/2000 | CN1048594C Power conversion system |
| 01/12/2000 | CN2358633Y Dual-purpose environmental protection type airplane ground static inverter power supply |
| 01/12/2000 | CN1241317A Power conversion apparatus and air conditioner using same |
| 01/11/2000 | US6014323 Multiphase power converter |
| 01/05/2000 | EP0954870A4 High power drive from ac and dc sources using cryoelectronics |
| 01/05/2000 | CN1240310A Power source control unit |
| 12/30/1999 | DE19827872A1 Driving switches for rail car with several double converter sections wired in series through choke between contact wire - current collector system and wheel - rail system |
| 12/29/1999 | EP0967532A1 Power control unit |
| 12/28/1999 | US6009002 Operating a power electronic circuit arrangement having multiple power converters |
| 12/23/1999 | DE19825801A1 Intermediate DC circuit for AC regulator e.g. supplying electric servo motor |
| 12/22/1999 | CN1239348A Automatic voltage-regulating and power-saving module for electromagnetic valve |
| 12/21/1999 | US6005784 Voltage type inverter device and method of controlling the same |
| 12/21/1999 | US6005362 Method and system for ride-through of an adjustable speed drive for voltage sags and short-term power interruption |
| 12/15/1999 | CN2354294Y Silicon rectifier special for energy-saved electrolyzation of rare-earth metal |
| 12/14/1999 | US6002103 Method and apparatus for receiving a universal input voltage in a welding power source |
| 12/09/1999 | WO1999063650A1 Solid state transformer |
| 12/07/1999 | US5999423 Voltage converter with filter arrangement |
| 11/24/1999 | EP0958650A1 Driving mechanism for industrial installations, in particular for primary industry installations |
| 11/24/1999 | CN2350921Y Digital AC precision voltage regulator |
| 11/17/1999 | EP0956639A1 Control system for supply / recovery of energy from a three-phase network into a converter with a variable voltage link |
| 11/16/1999 | US5986440 Load power control method using a phase control system, and device therefor |
| 11/10/1999 | EP0955723A2 Method and apparatus for lowering the voltage of an intermediate circuit of an electrical injection moulding machine |
| 11/10/1999 | EP0954870A1 High power drive from ac and dc sources using cryoelectronics |
| 11/09/1999 | US5982136 Circuit for sensing current in power trains for motor control |
| 11/09/1999 | CA2178857C Power converter |
| 11/03/1999 | CN2347312Y Red infrared remote control, and manually-operated multifunctional wall switch |
| 11/03/1999 | CN2347308Y Rotary circulating frequency converter |
| 11/02/1999 | US5977761 Three-phase transformer with in phase regulating winding for the regulation of phase voltages |
| 11/02/1999 | US5977658 Voltage doubling alternating current power supply |
| 10/21/1999 | DE19817305A1 Converter and method of controlling it for supplying an oscillatory circuit |
| 10/20/1999 | EP0840949B1 Power converter drive |
| 10/20/1999 | CN2344854Y Special-purpose switch power source for VCD |
| 10/19/1999 | US5969966 Power converting apparatus and method using a multiple three-phase PWM cycloconverter system |
| 10/19/1999 | US5969957 Single phase to three phase converter |
| 10/13/1999 | EP0948878A1 Parallel-storage series-drive electronic ballast |
| 10/06/1999 | EP0713614B1 Power supply comprising means for improving the power factor |
| 10/06/1999 | CN2342513Y Multipurpose power source |
| 10/05/1999 | CA2153111C Air conditioning device |
| 09/29/1999 | CN2341319Y Rectifying conversion speed regulator fed by phase-shift transformer |
| 09/28/1999 | US5959858 Electric power conversion apparatus |
| 09/28/1999 | US5959440 Load control device for an AC circuit |
| 09/22/1999 | CN1229304A Single-phase power conversion transformer (method) |
| 09/16/1999 | WO1999046850A1 Bi-directional ac or dc voltage regulator |
| 09/16/1999 | DE19810127A1 Circuit arrangement for charging up DC intermediate circuits |
| 09/14/1999 | US5953225 Power flow control and power recovery with rotary transformers |
| 09/14/1999 | US5953224 Control circuit for cryogenically-cooled power electronics employed in power conversion systems |
| 09/09/1999 | DE19807472A1 Vorrichtung zum Ansteuern von Wechselrichtern Device for driving inverters |
| 09/08/1999 | EP0940001A1 Power conversion apparatus and air conditioner using the same |
| 09/08/1999 | CN2337715Y Power transformer |
| 09/08/1999 | CN2337714Y AC-DC power converter |
| 09/07/1999 | US5949672 Three-phase matrix converter and method for operation thereof |
| 09/07/1999 | US5949158 Method and arrangement for controlling the output of electrical consumers connected to an AC line voltage |
| 09/01/1999 | EP0938773A1 Load power control method using a phase control system, and device therefor |
| 08/31/1999 | CA2074167C Solid state current controlled interruption system |
| 08/26/1999 | WO1999043076A1 Device for controlling inverters |
| 08/26/1999 | WO1999043075A1 Impedance angle control method |
| 08/26/1999 | WO1999042913A1 Method for controlling the dissipation of an electric signal and implementing device |
| 08/26/1999 | DE19807517A1 Electronic two wire switch for controlling electronic loads e.g. incandescent lamps |
| 08/25/1999 | CN2335307Y Guasi-resonating dc high-voltage generator with 75% high-voltage measuring button |
| 08/24/1999 | US5943229 Solid state transformer |
| 08/24/1999 | US5943221 Portable power unit |
| 08/24/1999 | US5942884 Electronic transformer/regulator |
| 08/24/1999 | US5942818 Control apparatus for engine-driven permanent magnet type synchronous generators |
| 08/19/1999 | WO1999041830A1 Method and system for ride-through of an adjustable speed drive for voltage sags and short-term power interruptions |
| 08/19/1999 | WO1999041827A1 High frequency power supply generator |
| 08/17/1999 | US5940280 Converter circuit of battery charger for electric vehicle |
| 08/17/1999 | US5939803 System for off-mains switching of current consuming devices such as actuators |
| 08/11/1999 | EP0759234B1 Switch with controlled rise and fall characteristics |
| 08/11/1999 | CN2333117Y Low inductance content starter of medium-frequency machine |
| 08/11/1999 | CN2333116Y Single-phase multipurpose power source |
| 08/11/1999 | CN1225525A Non-contact electronic on-load voltage regulator for electric power transformer |
| 08/03/1999 | US5932934 Circuit for the infinite direct or indirect variation of the direct and/or alternating current flowing through a load operated by a mains DC or AC voltage or an arbitrary combination thereof |
| 07/29/1999 | WO1999038248A1 Ac power converter |
| 07/28/1999 | CN2331126Y Output voltage regulating device |
| 07/28/1999 | CN2330787Y Pit head low-voltage power supply installation for mine |