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

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)
12/2004
12/01/2004	EP1482629A1 Converter circuit
12/01/2004	EP1482621A1 Uninterruptive power source apparatus
12/01/2004	CN2660780Y 电子变压器 Electronic Transformer
12/01/2004	CN2660779Y Substrate type constant steady d.c. power supply module
12/01/2004	CN2660184Y Temp control governor of electric fan
12/01/2004	CN1551477A Inverter control unit for electric motor drive and its air conditoner
12/01/2004	CN1551476A Motor power supply
12/01/2004	CN1551475A Power supply system and air conditioning device
11/2004
11/30/2004	US6826065 Method of commutation of current by bi-directional switches of matrix converters
11/25/2004	WO2004102781A1 Ac voltage control apparatus
11/25/2004	WO2004038901A3 Zero-voltage-switching single-switched resonant dc link with minimized conduction loss
11/25/2004	US20040233688 Power converter
11/25/2004	US20040233687 Uninterruptile power source apparatus
11/25/2004	US20040233590 Inverter power supply device
11/25/2004	US20040232863 Inverter control method and its device
11/25/2004	US20040231088 Power management system for a floor care appliance
11/25/2004	DE10319354A1 Stromrichterschaltungsanordnung und Verfahren zu deren Ansteuerung Converter circuit arrangement and driving method thereof
11/24/2004	EP1480322A2 Control method for a power converter
11/24/2004	EP1479558A1 Traction converter circuit for coupling to a electrical supply network
11/24/2004	CN2659019Y Safety voltage control device
11/24/2004	CN2658866Y Intelligent multifunction remote control switch
11/24/2004	CN1177404C Dead-zone compensation method of frequency converter
11/18/2004	US20040228151 Inverter control device for driving a motor and an air conditioner
11/18/2004	US20040228150 Voltage conversion system and method and recording medium
11/18/2004	DE202004014812U1 Anordnung zur Versorgung von veränderlichen Lasten Arrangement for supplying variable loads
11/17/2004	CN2657281Y Single-phase bridge parallel inverter for medium frequency power supply
11/17/2004	CN2657280Y Three-phase bridge rectifier for medium frequency power supply
11/17/2004	CN2657278Y Regulation protector for medium frequency power supply
11/17/2004	CN2657277Y Plasma high frequency power supply for lightning arrester
11/17/2004	CN2657012Y Full automatic electrity power protective CT volt-ampere characteristics, conversion ratio, polartiy test instrument
11/16/2004	US6819576 Power conversion apparatus and methods using balancer circuits
11/11/2004	WO2004098013A2 Method and apparatus for electrical power transfer
11/11/2004	US20040223346 Circuit with DC link fuse
11/11/2004	US20040222701 Solid state relay for switching AC power to a reactive load and method of operating the same
11/10/2004	EP1475882A2 Circuit with dc link fuse
11/10/2004	CN1545198A Second generation high-voltage large-power frequency converter
11/10/2004	CN1545197A Full digitalized vector control type high-voltage large-power frequency converter based on DSP chip
11/09/2004	US6815934 Induction generator power supply
11/04/2004	US20040218325 Electronic power-saving power control circuit
11/04/2004	US20040216586 Method of computing the pitch names of notes in MIDI-like music representations
11/03/2004	EP1473822A2 Power converter circuit and method for controlling the same
11/03/2004	EP1473821A2 Voltage source converter
11/03/2004	EP1472780A2 Static electric power converter for modulating electric power exchanged between at least a voltage source and a current source
11/03/2004	EP1472779A2 Voltage source and current source with capacitor
11/03/2004	EP1472582A1 Power regulator employing a sinusoidal reference
11/03/2004	CN2653742Y Energy saving socket for electric rice cooker
11/03/2004	CN1543702A Induction heating or melting power supply utilizing a tuning capacitor
11/02/2004	US6813720 Method of and device for supplying electrical power to a load using a power modulation system including at least one controlled switch and overvoltage counting apparatus
11/02/2004	US6812592 Voltage fluctuation compensating apparatus
10/2004
10/28/2004	US20040213023 Off-line non-step adjustment voltage regulator
10/28/2004	US20040213022 Power factor corrected UPS with improved connection of battery to neutral
10/27/2004	EP1471627A2 Resonant power source
10/27/2004	EP1470634A2 Active emi filter with feed forward cancellation
10/27/2004	EP1470464A2 Extraction of accessory power from a signal supplied to a luminaire from a phase angle dimmer
10/27/2004	EP0577611B2 Inductive power distribution system
10/27/2004	CN2652037Y Multi-unit unitary brushless motor frequency converter set
10/27/2004	CN1540852A 输出控制电路 Output control circuit
10/21/2004	WO2004091087A2 Energy saving electrical power control device and method
10/21/2004	WO2004091085A1 Configuration and method for protecting converter means
10/21/2004	WO2004032305B1 Circuit and fault tolerant assembly including such circuit
10/21/2004	US20040210154 Non-invasive device and method for the diagnosis of pulmonary vascular occlusions
10/21/2004	US20040208033 Control of the mains bridge of a frequency converter
10/21/2004	US20040208022 Energy saving electrical power control device and method
10/21/2004	US20040207463 Active filter for reduction of common mode current
10/21/2004	US20040207359 Electric motor drive
10/20/2004	CN2650387Y Self power-supply device for intelligent light-modulating switch
10/20/2004	CN2650386Y Tracing-regulating electricity-saving device
10/20/2004	CN1539194A Electrical power saving apparatus and method
10/20/2004	CN1172429C High volage large power frequency-stabilizing voltage regulator
10/20/2004	CN1172428C Electric power electronic transformer
10/19/2004	US6807076 Multiple mode universal power source
10/19/2004	US6806662 Multiple mode universal power source utilizing a rotating machine
10/13/2004	EP1467475A2 Control of the mains bridge of a frequency converter
10/13/2004	EP1466400A1 Lamp transformer for use with an electronic dimmer and method for use thereof for reducing acoustic noise
10/13/2004	CN2648695Y Switch power source used for household water purifier
10/13/2004	CN2648670Y Fault complementary phase combined transformer
10/13/2004	CN1171509C Parallel-storage series-drive electronic ballast
10/12/2004	US6804127 Reduced capacitance AC/DC/AC power converter
10/12/2004	US6803781 Resolver, resolver fault detection circuit, and resolver fault detection method
10/12/2004	US6803677 System for providing multiple power conversion operations
10/07/2004	US20040196677 Cross current control for power converter systems and integrated magnetic choke assembly
10/07/2004	US20040195225 Method and apparatus for receiving a universal input voltage in a welding power source
10/06/2004	EP1464108A2 Redox flow battery system and method of operating it
10/06/2004	CN2646953Y Stepping voltage-regulating time switch for electric food warmer
10/06/2004	CN2646952Y Low-power multipath power supply unit
10/06/2004	CN1534858A Frequency changer controller for driving motor and air-conditioner
10/06/2004	CN1170358C Electric-shock and short-circuit preventing multifunctional contact-less voltage stabilizer
10/06/2004	CN1170357C Third harmonic injection control method for multi-stage superimposed high-voltage frequency converter
10/05/2004	US6801441 Pulse width modulation frequency converter
09/2004
09/30/2004	WO2004084395A1 Inverter
09/30/2004	WO2004084389A2 System for transferring load between sources
09/30/2004	US20040189265 Constant current regulator using IGBT's with simplified timing
09/30/2004	DE10310577A1 Zero phase sequence voltage filter for inverter with self commutating power supply rectifier and DC link circuit has path provided for zero phase sequence voltages between link circuit output and rectifier low pass input filter
09/30/2004	CA2518122A1 System for transferring load between sources
09/29/2004	EP1463192A2 Power Electronic Converter System
09/29/2004	CN2645337Y 电源转换器 Power Converters
09/29/2004	CN2645336Y Electronic power transformer for Christmas lamps or neon lamps
09/29/2004	CN1533630A Method and device for shutting down a drive compring a matrix converter during a main failure
09/29/2004	CN1533629A Method and device for short-circuiting temporary power failures in a matrix converter
09/28/2004	CA2307173C Power converter control device and power converter thereof

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