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)
02/2007
02/15/2007WO2007018637A1 Electric power generation system using a permanent magnet dynamoelectric machine for starting a combustion turbine and for generating uninterruptible excitation power
02/15/2007WO2007016789A1 High voltage to low voltage bi-directional converter
02/15/2007US20070035979 Inverter circuit for producing power factor correction effect
02/15/2007US20070035978 Automatic phase converter
02/15/2007US20070035290 Device for covering the peak load
02/14/2007EP1751863A1 Power switching apparatus
02/14/2007EP1751839A1 Low loss propulsion system
02/14/2007EP1611657A4 Method and system for transferring a load between ac voltage sources
02/14/2007CN2870293Y Frequency variator
02/14/2007CN2870292Y Energy-saving controller
02/14/2007CN2870291Y Electric-power stabilizing-regulating-voltage energy saver
02/14/2007CN2870290Y Frequency variator modularization control unit
02/14/2007CN2870121Y Pedal light-regulation apparatus
02/14/2007CN1913316A Method and apparatus to limit output power in a switching power supply
02/14/2007CN1913315A High efficient switchover power converter
02/14/2007CN1913314A High voltage side frequency modulation adapter electric equipment
02/14/2007CN1913313A Three-phase N-line switch linear composite power conversion device of tandem N-source output equipment
02/14/2007CN1300932C Motor driving apparatus
02/13/2007US7177165 System and method for unbalanced independent AC phase voltage control of a 3-phase, 4-wire output DC/AC inverter
02/13/2007US7176774 Differential mode inductor with a center tap
02/13/2007US7176665 Analog current sense circuit
02/13/2007US7176660 Switching power source apparatus and power factor corrector
02/13/2007US7176653 Electric motor drive
02/09/2007CA2513599A1 High voltage to low voltage bidirectional converter
02/08/2007WO2007014480A1 Multilevel converter and method of converting a supply voltage
02/08/2007WO2006083371A3 Systems and methods for electrical power regulation and distribution in aircraft
02/08/2007US20070030716 Multiple output power supply that configures itself to multiple loads
02/08/2007US20070030715 Power supply that reads power requirement information across a DC power cord from a load
02/07/2007EP1750364A1 Bidirectional multi mode power conversion system
02/07/2007EP1749690A1 Transformer arrangement and multilevel converter
02/07/2007CN1910812A Electric power converting apparatus
02/07/2007CN1910809A Power conversion apparatus and methods using DC bus shifting
02/07/2007CN1909353A Drag transmitting and transforming equipment
02/07/2007CN1299426C Method for reducing three-level frequency converter swithcing loss
02/06/2007US7173832 Multifunction power convertor
01/2007
01/31/2007EP1747612A1 Electrical power supply method and installation
01/31/2007EP1747565A2 Differential mode inductor with a center tap
01/31/2007CN2865128Y Linear power supplier
01/31/2007CN2865105Y Magnetic saturation type in-line sine-wave energy distributor with amplifier
01/31/2007CN2864776Y Electromagnetism balance voltage regulation electricity saving device
01/30/2007US7170767 System and method for regenerative PWM AC power conversion
01/30/2007US7170261 Generator with dual cycloconverter for 120/240 VAC operation
01/30/2007US7170199 Matrix converter for transforming electrical energy
01/30/2007CA2230500C Power converting apparatus and power converting method
01/25/2007WO2007011230A1 System for supplying power to a flowline heating circuit
01/25/2007DE102005018596A1 Verfahren zum Betreiben eines Wechselrichters mit vorgeschaltetem Hochsetzer A method of operating an inverter with an upstream step-up converter
01/24/2007EP1746700A1 Power supply apparatus of a speed regulator
01/24/2007EP1745542A2 Method for control of a frequency converter in particular for generation of effective power for inductive heating
01/24/2007CN2862583Y Self-timing energy-saving equipment for lighting lamp and road lamp
01/24/2007CN1901347A Non-iron core coil transformer circuit
01/24/2007CN1901346A 智能控制节电变压器 Intelligent control power-saving transformer
01/24/2007CN1901338A Double pulse width modulation controller for back to back structure voltage type current changing device
01/24/2007CN1297178C Microwave illuminating system
01/24/2007CN1297066C Motor driving apparatus
01/18/2007WO2007006851A2 Method for improving the operation of a power control circuit and an advanced power control circuit
01/18/2007US20070014132 Comprehensive power quality controller for substation in power system
01/17/2007EP1744443A1 Noncontact power supply facility
01/17/2007CN2859933Y Multifunctional remote voice-control machine
01/17/2007CN2859923Y Triple harmonic current restraining circuit for frequency-changing indoor air-condition
01/17/2007CN2859902Y In-line duplicate supply control device and in-line duplicate supply electric power unit
01/17/2007CN1897455A Motor drive unit
01/17/2007CN1897438A Control apparatus and control method for switch-mode power supply
01/17/2007CN1897431A Switching mode power supply with active load detection and switching method thereof
01/17/2007CN1295857C Method for controlling matrix converter
01/17/2007CN1295856C Method for controlling matrix converter
01/17/2007CN1295855C Microcomputer control automatic pressure regulating device
01/16/2007US7164562 Configuration and method for protecting converter means
01/16/2007US7164242 Variable speed drive for multiple loads
01/11/2007WO2007003459A1 Circuit arrangement for detecting zero crossings of an alternating voltage
01/11/2007WO2007003183A1 A variable rotor speed wind turbine, wind park, method of transmitting electric power and method of servicing or inspecting a variable rotor speed wind turbine
01/11/2007CA2613556A1 A variable rotor speed wind turbine, wind park, method of transmitting electric power and method of servicing or inspecting a variable rotor speed wind turbine
01/10/2007CN1894845A Converter circuit with two partial converters
01/10/2007CN1894844A PWM cycloconverter input voltage detection method and device
01/10/2007CN1893251A Low-voltage frequency-multiplication tool
01/09/2007US7161307 Power factor correction apparatus with embedded DC—DC converter
01/04/2007WO2006065983A3 Power supply adaptive feedforward control circuit
01/04/2007US20070002594 Capacitor mounting type inverter unit
01/03/2007CN2855003Y Device for regulating light of stage
01/03/2007CN2854922Y Single-phase variable frequency constant-current source
01/03/2007CN2854921Y Automatic voltage regulator
01/03/2007CN1890868A Device for power adjustment by phase control and method for reduction of harmonic waves
01/03/2007CN1889350A Frequency transformer capable of continuously operating during power-off
01/03/2007CN1889347A Circuit for controlling power supply voltage output range
12/2006
12/28/2006WO2006005695A3 Method for controlling an electronic power converter that is connected to a direct-current source
12/28/2006DE19961920B4 Verfahren zur Fern-Inbetriebnahme, Fernwartung, Fern-Parametrierung und/oder Fernbedienung eines Umrichters und ein System zur Verwendung bei solchen Verfahren A method of remotely-commissioning, remote monitoring, remote parameter setting and / or remote control of an inverter and a system for use in such methods
12/27/2006EP1735902A2 System and method for controlling a variable speed drive
12/27/2006EP1388199A4 Active common mode filter connected in a-c line
12/27/2006EP1016204B1 Circuit device for approximately-sinusoidal lowering of an ac voltage
12/27/2006CN2852518Y Pressure swing power-adjusting device
12/27/2006CN2852493Y Handset-carried minisize charger
12/27/2006CN1885696A Plasma display panel voltage source
12/26/2006US7154277 Method and apparatus for detecting faults in AC to AC, or DC to AC power conversion equipments when the equipment is in a high impedance mode
12/26/2006US7154253 Digitally controlled modular power supply for automated test equipment
12/26/2006US7154251 Dual controlled output voltage, anti-saturation, auto-transformer circuit methodology
12/26/2006US7154233 Converter circuit with coupled inductances having asymmetrical air gap arrangement
12/21/2006US20060285373 Power factor correction circuit
12/21/2006DE102005025422A1 Three-phase inverter, has partial power converters placed in electrically conductive connection with windings and with DC-sided connectors and electrically connected in series, where each converter is frequency pulsed power converter
12/21/2006DE102005023502B3 Circuit arrangement for current supply of light emitting diodes and/or light emitting diode chains, has inductor connected with light emitting diodes and/or light emitting diode chains that are antiparallelly switched
12/21/2006CA2540406A1 Illumination device with thermally isolated integral power supply
12/20/2006EP1407538B1 Method and device for shutting down a drive comprising a matrix converter, during a mains failure
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