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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07/06/2004 | US6759765 Sag generator with plurality of switch technologies |
07/01/2004 | WO2004032305A3 Circuit and fault tolerant assembly including such circuit |
07/01/2004 | US20040125625 Method and apparatus for controlling the power supplied to a load |
07/01/2004 | US20040125622 Current detection unit of inverter |
07/01/2004 | DE19751828B4 Verfahren und Vorrichtung zur Erkennung und Steuerung von elektronischen Schaltnetzteilen oder konventionellen Transformatoren, jeweils mit oder ohne ohmscher Last, insbesondere von Beleuchtungseinrichtungen Method and apparatus for detection and control of electronic switching power supplies or conventional transformers, each with or without resistive load, in particular lighting devices |
06/30/2004 | EP1434340A2 Isolated low voltage power supply |
06/30/2004 | EP1434339A2 Circuit for power supply |
06/30/2004 | CN1156200C Ballast system |
06/24/2004 | WO2003026501A8 Non-invasive device and method for the diagnosis of pulmonary vascular occlusions |
06/24/2004 | US20040119454 Distributed system and methodology of electrical power regulation, conditioning and distribution on an aircraft |
06/24/2004 | US20040119448 Method and apparatus for electronic power control |
06/24/2004 | US20040119439 Cooling arrangement in frequency converter |
06/24/2004 | DE10254236A1 Frequenzumrichter Frequency |
06/23/2004 | EP1432110A1 Phase current detector |
06/23/2004 | CN1507154A Electronic switch for electric equipment |
06/23/2004 | CN1507143A Great power IF power source with double parallel resonant inversion circuit |
06/23/2004 | CN1507139A Electronic reactor for great power IF power source |
06/23/2004 | CN1506786A Washing machine controlled via power electronic circuit |
06/22/2004 | US6754092 Method and apparatus for reducing power consumption for power supplied by a voltage adapter |
06/22/2004 | US6754090 AC/DC/HFAC/DC/AC power supply |
06/22/2004 | US6753670 Universal energy regulating controller circuit |
06/17/2004 | WO2004051389A1 Method for powering electronic control modules and corresponding installation |
06/15/2004 | US6751106 Cross current control for power converter systems and integrated magnetic choke assembly |
06/15/2004 | US6750633 Electrical circuit for generating a three-phase alternating current |
06/15/2004 | US6750563 Voltage sag and over-voltage compensation device with pulse-width modulated transformer |
06/10/2004 | US20040108836 Uniterruptible power supply and its starting method |
06/09/2004 | CN1502918A Control circuit and method for current inversion motor of current inversion air conditioner |
06/08/2004 | US6747884 Power converter device |
06/08/2004 | US6747881 Frequency converter |
06/03/2004 | US20040105199 Charging circuit for a frequency converter |
06/03/2004 | DE10252234A1 Verfahren zum Betrieb eines Matrixkonverters sowie Matrixkonverter zur Durchführung dieses Verfahrens A method for operating a matrix converter and a matrix converter for implementing this method |
06/02/2004 | EP1423908A1 Electrical power conservation apparatus and method |
06/02/2004 | EP1423907A1 Power supply for induction heating or melting |
06/02/2004 | CN2619414Y Light control energy saving cnotroller for drinking water device |
06/02/2004 | CN2619407Y Small static high voltage power supply and detector |
06/02/2004 | CN2619406Y 220V Ac power supply card type distributor |
06/02/2004 | CN1152466C Non-stop continuous stepped AC voltage regulator |
06/01/2004 | US6744650 Method for controlling a matrix converter |
05/27/2004 | WO2004045058A1 Method for operating a matrix converter and matrix converter for carrying out said method |
05/27/2004 | WO2004045055A1 Filter |
05/27/2004 | WO2004045054A1 Filter device |
05/27/2004 | WO2004045043A1 Filter |
05/26/2004 | EP1422818A1 Frequency converter |
05/26/2004 | EP1422817A2 Vorrichtung zur Umwandlung einer dreiphasigen elektrischen Quelle in eine einphasige elektrische Versorgung |
05/26/2004 | EP1239579B1 Portable generator |
05/26/2004 | EP1198876B1 System for controlling the delivery of power to dc computer components |
05/25/2004 | US6741485 Interconnection system for transmitting power between electrical systems |
05/25/2004 | US6741068 Voltage stabilizer for electrical energy transportation and distribution applications |
05/25/2004 | CA2140061C Asymmetrical ac trigger simulation |
05/21/2004 | WO2004042890A1 Direct turbogenerator |
05/20/2004 | US20040095784 Reduced capacitance AC/DC/AC power converter |
05/20/2004 | US20040095099 Apparatus for power transmission |
05/19/2004 | EP1057250B1 Device for controlling inverters |
05/19/2004 | DE10252653A1 Controlling flow of power from supply network to AC device, e.g. for controlling fan, pump etc. by connecting operating voltage of microcontroller to neutral conductor of supply network |
05/19/2004 | DE10248971A1 AC powered motor frequency converter especially for elevators and lifting equipment, has low-pass setter connected between rectifier and intermediate circuit |
05/19/2004 | CN1497830A Control power supply device for electroplating |
05/13/2004 | US20040090200 Power supply apparatus for motor and control method thereof |
05/13/2004 | DE4406371B4 Verfahren zur Helligkeitssteuerung für Glühlampen und Schaltnetzteile Method for controlling the brightness of bulbs and Switching Power Supplies |
05/12/2004 | CN2615948Y Thermal connecting & disconnecting secondary power supply for electric system automation equipment |
05/06/2004 | WO2004038901A2 Zero-voltage-switching single-switched resonant dc link with minimized conduction loss |
05/06/2004 | WO2004038892A2 Hybrid variable speed generator/uninterruptible power supply power converter |
05/06/2004 | US20040085049 Ac voltage regulator apparatus and method |
05/06/2004 | US20040084965 Hybrid variable speed generator/uninterruptible power supply power converter |
05/06/2004 | EP1416620A1 Driver circuit for two unidirectional current switches |
05/06/2004 | EP1416604A2 Electric circuit for a driven generator with segmented stator |
05/06/2004 | EP1415388A2 Odd harmonics reduction of phase angle controlled loads |
05/06/2004 | EP0856936B1 Motor controller |
05/05/2004 | CN1148863C Harmonic suppression equipment for air conditioner and its suppression method |
05/05/2004 | CN1148862C Pulse current generator operating in short-circuit and shunt mode |
05/05/2004 | CN1148622C Method and apparatus for electronic power control |
05/05/2004 | CA2411132A1 Direct turbogenerator |
05/04/2004 | US6731525 H-bridge electronic phase converter |
05/04/2004 | US6731522 Power generation apparatus using permanent-magnet generator |
04/29/2004 | WO2003067745A8 Static electric power converter for modulating electric power exchanged between at least a voltage source and a current source |
04/28/2004 | EP1414284A2 Cooling arrangement in frequency converter |
04/28/2004 | EP1414144A1 Method and apparatus for the average power control of an AC load |
04/28/2004 | EP1413041A1 Electronic control systems and methods |
04/28/2004 | CN1492576A Method and device for controlling inductive motor regenerated energy flow and DC bus voltage in frequency modulation driving system |
04/28/2004 | CN1492565A Multiple machine integrated brushless motor variable frequency unit |
04/28/2004 | CN1147988C Alternating-current controlling method and device |
04/27/2004 | US6728120 Rectifier apparatus for high voltages |
04/27/2004 | CA2343247C Method for controlling a power drive system |
04/22/2004 | WO2003067929B1 Extraction of accessory power from a signal supplied to a luminaire from a phase angle dimmer |
04/22/2004 | US20040075965 MOSFET based, high voltage, electronic relays for AC power switching and inductive loads |
04/22/2004 | US20040075414 Driving apparatus and method of three phase induction motor |
04/22/2004 | DE10246526A1 Control process for a matrix inverter uses a serial superposition of all input phases and employs neighboring switches in commutation |
04/22/2004 | DE10245872A1 Device and process to determine the output frequency of a current inverter converts it into a one bit digital signal which is integrated and compared with a reference value |
04/21/2004 | EP1411754A1 Electronic ballast circuit |
04/21/2004 | EP1411628A1 Driving apparatus and method of three phase induction motor |
04/21/2004 | EP1410488A2 Energy converting device |
04/21/2004 | CN2613095Y Plug type light-controlled electronic transformer |
04/21/2004 | CN1491474A Power system having generator driven by engine |
04/21/2004 | CN1490929A Driver of three-phase inductive motor and method thereof |
04/21/2004 | CN1490914A Apparatus for maintaining voltage in AC voltage power supply net and operational method thereof |
04/15/2004 | WO2004032305A2 Circuit and fault tolerant assembly including such circuit |
04/15/2004 | US20040070359 Arrangement for automatically influencing a mains supply and motor drive for said arrangement |
04/15/2004 | DE10042624B4 Dreipegel-Wechselrichter-Vorrichtung Three-level inverter device |
04/14/2004 | EP1407538A1 Method and device for shutting down a drive comprising a matrix converter, during a mains failure |
04/14/2004 | EP1407531A2 Method and device for short-circuiting temporary power failures in a matrix converter |
04/14/2004 | CN2612105Y Voltage-regulating socket |