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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11/21/2002 | WO2002093730A1 Charge and discharge control device |
11/21/2002 | WO2002093726A1 An apparatus and a method for voltage conversion |
11/21/2002 | WO2002093724A1 Active common mode filter connected in a-c line |
11/21/2002 | WO2002043235A3 Method for controlling a matrix converter |
11/21/2002 | US20020172063 Inverter with a self-commutated pulse converter on the line side and the load side |
11/21/2002 | US20020171473 Active common mode filter connected in A-C line |
11/21/2002 | US20020171294 Voltage fluctuation compensating apparatus |
11/19/2002 | US6483730 Power converters with AC and DC operating modes and methods of operation thereof |
11/14/2002 | US20020167825 Power converter system |
11/14/2002 | DE10122923A1 Dimmer, especially for controlling intensity of lighting devices, has second triac's switch-on delayed with respect to that of a first triac depending on control angle defined by dimmer setting |
11/14/2002 | DE10119664A1 Anordnung zur automatischen Spannungsregelung und Motorantrieb zur automatischen Spannungsregelung An automatic voltage regulator and motor drive for automatic voltage regulation |
11/13/2002 | CN1379522A Power fluctuation compensation device |
11/07/2002 | WO2002089266A1 Apparatus for providing power |
11/06/2002 | CN1378332A High voltage large power frequency-stabilizing voltage regulator |
11/06/2002 | CN1378112A Current source device for latching detection |
10/31/2002 | WO2002086647A2 Arrangement for automatically influencing a mains supply and motor drive for said arrangement |
10/31/2002 | US20020161484 Apparatus for providing AC power to airborne in-seat power systems |
10/31/2002 | US20020158470 Portable generator |
10/31/2002 | CA2440908A1 Arrangement for automatically influencing a mains supply and motor drive for said arrangement |
10/30/2002 | EP1253705A2 Two-wire network element for power supply in a house instalation of a switch controlled by an electronic circuit |
10/30/2002 | CN2519528Y Industrial laser printer main current controller |
10/29/2002 | US6472844 Single-phased powered drive system |
10/24/2002 | WO2002084855A1 Power converting device |
10/24/2002 | WO2002084836A1 Dc/dc power supply |
10/24/2002 | US20020153847 Portable device with reduced power dissipation |
10/24/2002 | US20020153778 Ferroelectric transformer-free uninterruptible power supply (UPS) systems and methods for communications signal distribution systems |
10/23/2002 | CN1375918A Non-stop continuous stepped AC voltage regulator |
10/17/2002 | US20020149956 Conversion of single phase to multiple phase alternating current |
10/17/2002 | US20020149950 Power conditioner for solar power generation system |
10/16/2002 | EP1249927A2 Method and system for converting single phase alternating current to multiple phase alternating current |
10/16/2002 | EP1249067A1 Portable device with reduced power dissipation |
10/16/2002 | CN2517168Y Current amplifier using planar transformer |
10/16/2002 | CN1375123A System for controlling the delivery of power to DC computer components |
10/15/2002 | US6466468 Direct conversion programmable power source controller |
10/09/2002 | EP1247329A2 Method for controlling bi-directional switches in matrix converters |
10/09/2002 | CN1373401A Voltagre regulator for electric energy transmission and distribution application |
10/08/2002 | US6462974 Space vector modulation-based control method and apparatus for three-phase pulse width modulated AC voltage regulators |
10/03/2002 | US20020144164 Efficiency-raising and power-saving procedure and its devices |
10/03/2002 | US20020140294 Voltage fluctuation compensating apparatus |
10/02/2002 | DE10114075A1 Stromrichterschaltungsanordnung für Generatoren mit dynamisch veränderlicher Leistungsabgabe Converter circuit arrangement for generators with dynamically variable power output |
10/02/2002 | CN2514547Y Series voltage regulator for power supply line |
10/01/2002 | US6459606 Control system and method for four-quadrant switches in three-phase PWM AC voltage regulators |
10/01/2002 | US6459596 Method and apparatus for a Reduced parts-counts multilevel rectifier |
09/26/2002 | US20020136039 Power supply apparatus |
09/26/2002 | US20020135328 Electric power conversion apparatus |
09/26/2002 | US20020135234 Method of commutation of current by bi-directional switches of matrix converters |
09/25/2002 | EP1244204A1 Portable generator |
09/25/2002 | EP1244203A2 Power converter circuit for generators with dynamically varying outputpower |
09/25/2002 | CN2513288Y Frequency changing power device |
09/19/2002 | US20020130648 Power factor corrected UPS with improved connection of battery to neutral |
09/18/2002 | EP1240706A1 Method for operating a 3-phase controller circuit |
09/18/2002 | CN2512154Y Intellectual energy-saving device |
09/18/2002 | CN1369955A Electronic transformer |
09/12/2002 | US20020125854 Universal input/output power supply with inherent near unity power factor |
09/12/2002 | DE10105892A1 Wind power plant and method for operating it has overvoltage limiter during momentary interruption in power supply |
09/11/2002 | EP1239579A1 Portable generator |
09/06/2002 | WO2002029962A3 Power saving circuitry |
09/04/2002 | EP1166430B1 Universal power module |
09/04/2002 | CN1367950A Inverter apparatus for driving compressor motor and method for manufacturing apparatus |
08/29/2002 | US20020118556 Power converters with ac and dc operating modes and methods of operation thereof |
08/28/2002 | EP1235322A2 Voltage stabiliser for electrical energy transportation and distribution applications |
08/22/2002 | WO2002065627A1 Apparatus for power transmission |
08/22/2002 | WO2002065611A1 Power system having generator driven by engine |
08/21/2002 | CN2507184Y Voltage regulation energy saving and fraudulent use preventing device for oil pumping machine of oil field |
08/21/2002 | CN1089502C Drive system for engine and control method thereof |
08/20/2002 | US6437997 Control device for electric power translating device |
08/20/2002 | US6437996 Electrical power transmission system |
08/15/2002 | WO2002063755A1 A waveform converting method and apparatus |
08/15/2002 | WO2001071898A8 Improvements relating to converters |
08/15/2002 | US20020109412 Power conversion apparatus and methods using balancer circuits |
08/14/2002 | EP1231822A2 Integrated bridge inverter circuit for discharge lighting |
08/14/2002 | EP1118151B1 Electrical power transmission system |
08/14/2002 | CN1363990A Converter controlled power generator |
08/14/2002 | CN1363983A Compensation-type bidirectional static AC voltage regulator |
08/08/2002 | DE10203217A1 Stromversorgungsvorrichtung A power supply apparatus |
08/07/2002 | EP1120019B1 Circuit for controlling a load to be supplied by an alternating current voltage |
08/07/2002 | CN1362780A Ac-to-AC high-voltage power converting and conversion method |
08/01/2002 | US20020101749 Method and system of harmonic regulation |
08/01/2002 | US20020101222 Power control apparatus and method |
07/31/2002 | EP1226480A1 Static voltage regulator |
07/30/2002 | US6426885 Inverter device and motor driving device provided with inrush current prevention circuit |
07/30/2002 | US6426611 Constant voltage lamp controller |
07/25/2002 | DE10103031A1 Current rectification circuit for voltage source inverters with separate energy stores replaces phase blocks with energy storing capacitors |
07/25/2002 | DE10102605A1 Resistance welding device has a regulating unit consisting of a rectifier switch connected at all three phases of an alternating current network and a controllable inverted rectifier |
07/24/2002 | EP0938773B1 Load power control method using a phase control system, and device therefor |
07/24/2002 | EP0886912B1 A converter device |
07/24/2002 | CN1360727A Charge transfer apparatus and method therefor |
07/24/2002 | CN1088282C Power conversion apparatus |
07/23/2002 | US6424135 High power drive from AC and DC sources using cryoelectronics |
07/18/2002 | WO2002056451A2 Ac-to-ac power converter without a dc link capacitor |
07/18/2002 | US20020093840 Method for operating a matrix converter and matrix converter for implementing the method |
07/18/2002 | DE10100196A1 Supplying electrical load e.g. electric motor for vacuum cleaner, involves alternately providing voltage components dependent on second and third phase angles that correspond essentially to first periodic voltage component |
07/17/2002 | CN1359255A Digital type light-adjusting circuit |
07/17/2002 | CN1087882C Frequency converter for outgoing electric driving power to motor and filtering installed on it |
07/16/2002 | US6421366 Method and device for supplying an electric arc melting furnace with current |
07/11/2002 | WO2002054579A1 Mobile power generation system |
07/11/2002 | WO2002054572A1 Bi-directional power supply circuit |
07/11/2002 | US20020089864 Ac-to-ac power converter without a dc link capacitor |
07/11/2002 | US20020089310 Generator set having an inverter |
07/11/2002 | CA2439355A1 Mobile power generation system |