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)
09/2003
09/30/2003US6628089 Extraction of accessory power from a signal supplied to a luminaire from a phase angle dimmer
09/30/2003US6626002 Controller for PWM/PAM motor, air conditioner, and method of motor control
09/25/2003WO2003010875A3 Energy converting device
09/25/2003US20030179594 Device for effecting the basic interference suppression of a matrix converter
09/25/2003US20030178889 System for providing multiple power conversion operations
09/24/2003CN1122352C Multi channel cooperative voltage regulation for SCR
09/23/2003US6624997 Electrical power conditioner
09/18/2003DE20307787U1 Electronic transformer for low voltage halogen lamps has additional connection to bypass the house oscillating circuit
09/17/2003CN1121754C Control system for supply/recovery of energy from three phase network into regulator of converter with voltage coupled circuit
09/17/2003CN1121753C A.C. power control device
09/16/2003US6621721 Direct conversion programmable power source controller: three-phase input with programmable single-phase output
09/12/2003WO2003075431A1 Uninterruptive power source apparatus
09/12/2003WO2002093724A9 Active common mode filter connected in a-c line
09/11/2003US20030169611 Power converter device
09/11/2003US20030169014 Universal energy regulating controller circuit
09/10/2003CN2572663Y Integrated air conditioner power source for locomotive
09/10/2003CN2572662Y Current controlled synchronous rectifier
09/10/2003CN1441541A In-situ high voltage switch and bus temperature detecting system and its powered method
09/10/2003CN1441539A Power changer
09/09/2003US6618275 Portable generator
09/09/2003US6617814 Integrated DC link choke and method for suppressing common-mode voltage in a motor drive
09/04/2003WO2003073595A1 Vector control of an electronic power converter
09/04/2003US20030167017 Non-invasive device and method for the diagnosis of pulmonary vascular occlusions
09/04/2003US20030165068 Dc-dc power supply
09/03/2003CN1120564C Dead area compensation method for PWM-type frequency-conversion power supply
09/02/2003US6614197 Odd harmonics reduction of phase angle controlled loads
08/2003
08/28/2003WO2003071668A1 Alternator/inverter with dual h-bridge and automatic voltage regulation
08/28/2003WO2003071649A1 Alternator/inverter with dual h-bridge
08/28/2003WO2003009457A3 Method and device for short-circuiting temporary power failures in a matrix converter
08/28/2003US20030161166 System using a power converter
08/28/2003US20030160516 Matrix converter for transforming electrical energy
08/27/2003EP1339162A1 Device for modulating a voltage applied to a load, in particular for the supply of a constant current load circuit
08/27/2003CN2569498Y Medium frequency heating power source
08/27/2003CN2569437Y 智能变压器装置 Intelligent transformer unit
08/27/2003CN1119578C Air conditioner
08/26/2003US6611438 Power generation apparatus using permanent-magnet generator
08/26/2003US6611437 Power generation apparatus using permanent-magnet generator
08/21/2003WO2003069962A2 Centralized device for the control of the feeding voltage of a load provided with a power factor correction condenser
08/21/2003US20030156432 Matrix converter for transforming electrical energy
08/21/2003US20030155893 Electrical circuit for generating a three-phase alternating current
08/21/2003US20030155813 Alternator/inverter with dual H-bridge and automatic voltage regulation
08/20/2003EP1336242A2 Method for controlling a matrix converter
08/20/2003EP1336241A2 Method for controlling a matrix converter
08/20/2003EP1336240A1 Method for controlling a matrix converter
08/20/2003EP1057088B1 Method for controlling the dissipation of an electric signal
08/20/2003CN2567866Y High-tension convertor energy backfeed device without harmonic wave pollution
08/20/2003CN2567865Y DC bus structure type high-tension high-low-high high-tension frequency control of motor speed device
08/20/2003CN1437789A Device for effecting the basic interference suppression of a matrix converter
08/20/2003CN1437315A Frequency-selecting speed and power regulator
08/20/2003CN1118836C Transformer for circulation convertor
08/19/2003US6608401 Alternator/inverter with dual H-bridge
08/14/2003WO2003067929A2 Extraction of accessory power from a signal supplied to a luminaire from a phase angle dimmer
08/14/2003WO2003067745A2 Static electric power converter for modulating electric power exchanged between at least a voltage source and a current source
08/14/2003WO2003067358A2 Voltage source and current source with capacitor
08/14/2003WO2003067357A1 Power regulator employing a sinusoidal reference
08/14/2003CA2466884A1 Extraction of accessory power from a signal supplied to a luminaire from a phase angle dimmer
08/07/2003US20030146715 Extraction of accessory power from a signal supplied to a luminaire from a phase angle dimmer
08/06/2003EP1333569A2 Direct conversion programmable power source controller:three phase input with programmable single-phase output
08/06/2003EP1333568A2 Direct conversion programmable power source controller
08/06/2003CN1117423C Power converting system
08/06/2003CN1117422C Hihg-frequency AC/AC converter with AC link
08/05/2003US6604056 Method and system of harmonic regulation
08/05/2003US6603675 Apparatus and a method for voltage conversion
08/05/2003US6603672 Power converter system
08/05/2003US6603647 Method for controlling freewheeling paths in a matrix converter
08/05/2003US6603280 Motor controller
07/2003
07/31/2003WO2003063331A1 An apparatus and a method for voltage conversion
07/31/2003US20030142529 Direct conversion programmable power source controller: three-phase input with programmable single-phase output
07/30/2003EP1331724A2 Matrix converter for electrical energy conversion
07/30/2003EP1330865A1 Method and pulse-control circuit for a power component
07/30/2003CN2563826Y Variable frequency electromagnetic stirring electric controller
07/30/2003CN2563729Y Loaded voltage regulator for full thyristor non-transient transformer
07/30/2003CN1433139A Low-speed pulsating current supressing device and method for single phase inverter
07/30/2003CN1433132A Circular current converter for multiplex pulse width modulation
07/30/2003CN1433131A Step-up circuit and power soure convertor
07/30/2003CN1433130A Matrix converter for converting electric energy
07/30/2003CN1433129A Matrix converter for converting electric energy
07/29/2003US6600134 Power supply for electric arc welding
07/29/2003US6599141 Apparatus for providing AC power to airborne in-seat power systems
07/24/2003US20030137855 Multiple PWM cycloconverter
07/24/2003US20030137197 Power factor corrected UPS with improved connection of battery to neutral
07/23/2003EP1329954A1 Matrixconverter for transforming electrical energy
07/23/2003CN2562491Y High-voltage electroscope test power supply
07/23/2003CN1431761A Coupling type power supply circuit for information processing device
07/23/2003CN1115766C Inverter
07/17/2003WO2003058801A1 Lamp transformer for use with an electronic dimmer and method for use thereof for reducing acoustic noise
07/17/2003WO2003058791A2 Active emi filter with feed forward cancellation
07/17/2003US20030133317 Apparatus and a method for voltage conversion
07/17/2003US20030133314 Apparatus and method of suppressing low speed ripple current of a single-phase inverter
07/17/2003CA2416190A1 Matrix converter for the transformation of electrical energy
07/16/2003CN2561161Y Electronic A.C. voltage regulator
07/16/2003CN2561160Y Multigroup load piezoelectric change-over circuit driving module
07/10/2003US20030128558 Active EMI filter with feed forward cancellation
07/10/2003US20030127994 Lamp transformer for use with an electronic dimmer and method for use thereof for reducing acoustic noise
07/09/2003EP1325549A1 A resonant converter
07/09/2003CN1428925A Multi-output isolated power supply for power electronic equipment
07/09/2003CN1114260C Inverter system
07/03/2003WO2002056451A3 Ac-to-ac power converter without a dc link capacitor
07/03/2003US20030122431 MOSFET based, high voltage, electronic relays for AC power switching and inductive loads
07/02/2003EP1192625A4 Charge transfer apparatus and method therefor