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