| 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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| 03/07/2002 | DE10039957A1 Vorrichtung zur Grundentstörung eines Matrixumrichters Device for the interference suppression of a matrix |
| 03/06/2002 | CN2481050Y Secondary side voltage regulator for power transformer |
| 03/06/2002 | CN1080211C High voltage power converter system |
| 03/05/2002 | US6353545 Inverter apparatus with active current limiting and smoothing circuit |
| 02/28/2002 | US20020024828 Inverter suitable for use with portable AC power supply unit |
| 02/27/2002 | CN1337774A Power supply circuit with two-wirem electronic switch |
| 02/26/2002 | US6351397 Protection apparatus and protection method of PWM cycloconverter |
| 02/21/2002 | WO2002015376A1 Device for effecting the basic interference suppression of a matrix converter |
| 02/20/2002 | CN1336716A Zero-voltage switch double-PWM frequency converter |
| 02/13/2002 | CN1079178C Automatic voltage-regulating and power-saving module for electromagnetic valve |
| 02/12/2002 | US6346778 AC power converter |
| 02/07/2002 | DE10020182A1 Three phase, sinusoidal power transformation with freely-adjustable primary side power factor, adjusts primary voltage source and input current phase angles |
| 02/06/2002 | EP1177615A1 Control of a dc matrix converter |
| 02/05/2002 | US6344988 Power unit |
| 01/31/2002 | WO2001071900A3 Method and apparatus for direct synchronous rectification in a pulse-width modulated motor controller |
| 01/30/2002 | EP1031181B1 Circuit for transforming, switching, adjusting or controlling electric power |
| 01/30/2002 | CN2475221Y IF power for electric heating oil production |
| 01/29/2002 | US6343021 Universal input/output power supply with inherent near unity power factor |
| 01/29/2002 | US6342779 Method of control by phase angle |
| 01/23/2002 | EP1174998A1 Brushless motor,method and circuit for its control |
| 01/23/2002 | EP1174004A2 Method and device for supplying an electric arc melting furnace with current |
| 01/23/2002 | CN2473807Y Electronic transformer for haligen-tungsten lamp |
| 01/23/2002 | CN1332903A Inverter apparatus |
| 01/17/2002 | WO2001071897B1 An improved electrical substation |
| 01/17/2002 | DE10032447A1 Current harmonic compensation method for pulsed network current regulator uses software analysis of network input current for control of compensation regulators |
| 01/16/2002 | CN2472407Y Energy saver for local power network |
| 01/09/2002 | CN2471015Y Frequency-variable resonant power supply |
| 01/03/2002 | WO2001057995A3 Method for regulating of ac voltage |
| 01/03/2002 | DE10030615A1 Decoupling network for current converter supplied with direct current has arrangement of resonance coil and capacitor and two auxiliary switches connecting inputs and outputs |
| 01/03/2002 | DE10024589A1 Module for matrix converter has 3 main current input and output electrodes connected by stages containing main current diode, insulating gate bipolar transistor and auxiliary diode |
| 01/03/2002 | DE10021466A1 Device for exchanging electrical power between primary and secondary side 3-phase systems, has matrix converter whose switching state is determined from current influencing parameters |
| 01/02/2002 | EP1168588A1 Inverter apparatus |
| 01/02/2002 | EP1166430A1 Universal power module |
| 01/02/2002 | EP0746808B1 Switchmode ac power controller |
| 01/01/2002 | US6335872 Nine-phase transformer |
| 01/01/2002 | US6335870 Inverter apparatus having a separate controlling application program for performing specification dependent control |
| 12/27/2001 | US20010054911 Resolver, resolver fault detection circuit, and resolver fault detection method |
| 12/27/2001 | US20010054887 Method and apparatus for electronic power control |
| 12/20/2001 | DE10028920A1 Stromrichterschaltung und Verfahren zur Ankopplung an ein elektrisches Versorgungsnetz Converter circuit and method for coupling to an electrical supply network |
| 12/20/2001 | DE10021399A1 AC voltage setting method involves performing phase control in form of closed control loop in order to set AC voltage to set value under changing consumer loads |
| 12/19/2001 | EP1012955B1 Precharging circuit for a capacitor connected to the output of a line-commutated power converter |
| 12/19/2001 | CN2466850Y Single silicon-controlled antiparallel voltage-regulating trigger |
| 12/14/2001 | CA2311562A1 Power control circuit for the heating element of an electrophotographic device |
| 12/13/2001 | WO2001041290A3 Method for controlling bi-directional switches in matrix converters |
| 12/12/2001 | EP1162105A2 Power converter circuit and method for connecting to an electrical supply network |
| 12/12/2001 | CN2465393Y Electric power controller |
| 12/12/2001 | CN2465392Y High-voltage electrostatic constant current power source |
| 12/12/2001 | CN2465391Y 信号灯 Lights |
| 12/11/2001 | US6330170 Soft-switched quasi-single-stage (QSS) bi-directional inverter/charger |
| 12/11/2001 | US6329766 Digital illumination adjusting circuit |
| 12/06/2001 | DE10025936A1 Vorrichtung zur Simulation einer technologischen Anwendung mit einem umrichtergesteuerten Elektromotor Apparatus for simulating a technological application with an inverter-controlled electric motor |
| 12/06/2001 | DE10025735A1 Voltage converting frequency converter has wide voltage input range between 70, 300 volts at 50 to 60 Hz, between 11,100 volts d.c., input control circuit interacting with converter input |
| 12/05/2001 | CN2464012Y Traction power supply uint |
| 12/05/2001 | CN1325559A Method and apparatus for protecting PWM cycloconverter |
| 12/05/2001 | CN1325178A Frequency varying driven washer |
| 12/05/2001 | CN1324705A Power supply for arc-welding |
| 12/04/2001 | US6326773 Power conversion apparatus |
| 11/29/2001 | WO2001091519A1 Led lamp |
| 11/29/2001 | WO2001091276A1 Miniature power supply unit |
| 11/29/2001 | WO2001091200A1 Ignition pulse generator |
| 11/29/2001 | US20010045863 Active filter for reduction of common mode current |
| 11/28/2001 | EP1158655A2 Apparatus for simulation of a technological application with inverter controlled electrical motor |
| 11/28/2001 | EP1157772A2 Power supply for electric arc welding |
| 11/28/2001 | CN2462440Y Steady value soft regulating a.c. voltage stabilizer |
| 11/27/2001 | US6323624 Procedure to connect an asynchronous generator on an alternating current and an electrical connecting for use at this procedure |
| 11/21/2001 | EP1155493A1 Control device for controlling a current conduction angle |
| 11/21/2001 | EP1155358A1 A method and system for alternating current regulation |
| 11/21/2001 | CN2461191Y Large capacity uninterrupte power |
| 11/20/2001 | US6320775 Power conversion apparatus utilizing zero-phase power supply device that provides zero-phase sequence components |
| 11/20/2001 | US6320356 Power unit |
| 11/15/2001 | WO2001086797A1 Method and apparatus for power supply and conversion |
| 11/15/2001 | WO2001019316A3 A vibratory therapy apparatus |
| 11/15/2001 | DE10020865A1 Verfahren zum Betrieb von Leistungsstellern und Schaltungsanordnung zur Durchfuhrung des Verfahrens Method for operating power controllers and circuit arrangement for carrying out the method |
| 11/14/2001 | EP1154552A1 Method and apparatus for protecting pwm cycloconverter |
| 11/13/2001 | US6316923 Power control circuits for luminaires |
| 11/08/2001 | WO2001052602A9 Apparatus and method for inductive heating |
| 11/08/2001 | WO2001045275A3 A power control device and the method therefor |
| 11/08/2001 | US20010038000 Method and apparatus for receiving a universal input voltage in a welding power source |
| 11/07/2001 | CN1074603C AC-AC/DC converter |
| 11/06/2001 | US6314007 Multi-mode power converters incorporating balancer circuits and methods of operation thereof |
| 11/06/2001 | US6313618 Method for controlling the dissipation of an electric signal and implementing device |
| 11/01/2001 | US20010035731 Single-phase powered drive system |
| 10/31/2001 | EP1150419A2 Method for operation of power controllers and circuit for carrying out of the method |
| 10/31/2001 | EP1149462A1 Bipolar chopper and method of using same |
| 10/31/2001 | EP0672317B1 Closed loop pulse width modulator inverter with volt-seconds feedback control |
| 10/31/2001 | CN1320297A Controller for PWM/PAM motor and method for controlling air conditioner and motor having controller |
| 10/31/2001 | CN1319939A Power source unit |
| 10/31/2001 | CN1319938A Power source unit |
| 10/31/2001 | CN1319937A Wave shape changing device and method |
| 10/30/2001 | US6310788 Three-way, three phase power divider and combiner |
| 10/30/2001 | US6310787 Multiway power converter |
| 10/25/2001 | DE10016230A1 Verfahren zur Steuerung von Freilaufpfaden bei einem Matrixumrichter Method for controlling a matrix converter with freewheel paths |
| 10/24/2001 | EP1148628A2 Dimmer |
| 10/24/2001 | EP1147597A1 Motor drive circuit |
| 10/24/2001 | CN2456362Y Switch power supply regulator with improved structure |
| 10/24/2001 | CN1073756C Power source control unit |
| 10/23/2001 | US6307766 Contactless power system |
| 10/23/2001 | US6307760 Three level inverter apparatus |
| 10/23/2001 | US6307759 Control device for electric power translating device |
| 10/18/2001 | WO2001077769A1 Power control apparatus and the method |