Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › 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)
11/2005
11/03/2005US20050241638 Non-Invasive Device and Method For the Diagnosis of Pulmonary Vascular Occlusions
11/03/2005DE102005003890A1 Überstrom-Schutzschaltung und -Halbleitervorrichtung Overcurrent protection circuit and -Halbleitervorrichtung
11/03/2005DE102004017942A1 Low loss power interfacing circuit uses microprocessor with pull up or pull down resistors
11/03/2005DE102004016464A1 Verfahren zur Berechnung und Beurteilung des Frequenzspektrums eines Matrix-Konverters Method for calculation and evaluation of the frequency spectrum of a matrix converter
11/03/2005DE102004016463A1 Verfahren zur Verbesserung der Betriebsweise eines Matrix-Konverters A method for improving the operation of a matrix converter
11/03/2005DE102004016453A1 Verfahren zur Verbesserung der Betriebsweise eines Matrix-Konverters A method for improving the operation of a matrix converter
11/02/2005EP1592120A2 Apparatus for controlling the power used in required operating conditions that vary over time, particularly for supplying power to lighting systems
11/02/2005EP1466400B1 Lamp transformer for use with an electronic dimmer and method for use thereof for reducing acoustic noise
11/02/2005EP1415388B1 Odd harmonics reduction of phase angle controlled loads
11/02/2005CN1692543A Device for controlling power by phase control, and method for reducing harmonic waves
11/02/2005CN1691485A Switch power supply circuit
11/02/2005CN1691484A Protection circuit of frequency converter
11/01/2005US6961250 Non-isolated AC power supply device and method for controlling the same
10/2005
10/27/2005WO2005101637A2 System and method for controlling a variable speed drive
10/27/2005WO2005101634A1 Power conversion apparatus with dc bus precharge circuits and methods of operation thereof
10/27/2005WO2005062448A3 Device for producing switch signals for regulating the frequency in a converter in addition to an associated method used to determine the point in time of the switch signal
10/27/2005US20050237774 Method for operating a matrix converter and matrix converter for implementing the method
10/27/2005US20050237772 Dc-dc converter with coupled-inductors current-doubler
10/27/2005US20050237771 Circuit for converting an AC voltage to a DC voltage
10/27/2005US20050237678 Configuration and method for protecting converter means
10/27/2005US20050237038 Static electric power converter for modulating electric power exchanged between at least a voltage source and a current source
10/27/2005DE102004016944A1 Wandlerschaltung mit gekoppelten Induktivitäten Converter circuit with coupled inductors
10/27/2005CA2562051A1 System and method for controlling a variable speed drive
10/26/2005EP1589645A2 Circuit for converting an AC voltage into a DC voltage
10/26/2005CN2737062Y 变频器 Drive
10/26/2005CN2737061Y 电子调压器 Electronic regulator
10/26/2005CN2737060Y Control signal transmission installation in high voltage frequency converter
10/26/2005CN1688092A Frequency changer with active filter
10/26/2005CN1225079C Low-speed pulsating current supressing device and method for single phase inverter
10/26/2005CN1224537C Power module power supplying mthod for high-speed magnetic suspension train
10/22/2005CA2505274A1 Circuit for converting an ac voltage to a dc voltage
10/20/2005WO2005099075A1 Control method and controller of pwm cyclo-converter
10/20/2005WO2005099063A1 Method for operating a frequency converter of a generator and wind energy turbine having a generator operated according to the method
10/20/2005WO2005062455A8 Device for power adjustment by phase control and method for reduction of harmonic waves
10/20/2005US20050231172 Pre-charging system for smoothing capacitor
10/20/2005US20050231171 Discharging system for smoothing capacitor
10/20/2005DE20122448U1 Multi-phase voltage controlled PWM frequency converter for AC motor control has rectifier bridge connected to inverter without use of capacitor and inductor to act respectively as intermediate energy store and current peak value limiter
10/19/2005CN2735651Y Inversion power supply with large output power
10/19/2005CN2735649Y High-voltage DC power supply for electric dust collector
10/19/2005CN2735648Y Power converter
10/19/2005CN2735609Y Remote control coded two-way dimmer switch
10/19/2005CN1685598A Global closed loop control system with DV/DT control and EMI/switching loss reduction
10/19/2005CN1684353A Circuit with power control
10/18/2005US6956755 Resonant converter
10/18/2005US6956751 Motor power supply
10/18/2005US6956305 Voltage fluctuation compensating apparatus
10/13/2005WO2005096485A1 Noncontact power supply facility
10/13/2005US20050226014 Voltage detecting circuit and power converter having the same
10/13/2005US20050225918 Circuit arrangement with a voltage link converter
10/13/2005US20050225270 System and method for controlling a variable speed drive
10/13/2005DE102004014275A1 Rotary field drive is based on direct rectifier with innovative topology with m input phases
10/13/2005DE10156694B4 Schaltungsanordnung Circuitry
10/12/2005EP1584133A1 Electric machine for the propulsion drive of a submarine of a synchronous machine excited by a permanent magnet
10/12/2005EP1244204B1 Portable generator
10/11/2005US6954366 Multifunction hybrid intelligent universal transformer
10/06/2005US20050222787 Method for the calculation and the assessment of the frequency spectrum of a matrix converter
10/06/2005US20050219882 Power converter with output voltage level indicating device
10/06/2005US20050219879 System and method for regenerative PWM AC power conversion
10/06/2005US20050219874 Method for improving the mode of operation of a matrix converter
10/06/2005US20050218828 Converter circuit with coupled inductances
10/06/2005CA2503981A1 Converter circuit with coupled inductances
10/05/2005EP1497911B1 Power supply with a direct converter
10/05/2005CN2731831Y Converter
10/05/2005CN2731830Y A.C/d.c. high voltage small current power source
10/05/2005CN2731829Y Transformer having two-class voltage
10/05/2005CN1677818A Method of forming a floating charge pump and structure therefor
10/05/2005CN1677787A 电压补偿装置 Voltage compensation device
09/2005
09/29/2005US20050213357 Power conversion apparatus with DC bus precharge circuits and methods of operation thereof
09/29/2005US20050212587 Method of forming a floating charge pump and structure therefor
09/28/2005EP1580638A1 Transition mode power factor correction device in switching power supplies
09/28/2005EP1579562A1 Power controller
09/28/2005EP1579282A2 Ac voltage regulator apparatus and method
09/28/2005CN2730021Y Double-voltage automatic controller
09/28/2005CN2730020Y Frequency changer structure
09/28/2005CN2730019Y Spectrometer comprehensive power
09/28/2005CN1675819A Voltage conversion device, voltage conversion method, and computer-readable recording medium containing program for causing computer to execute voltage conversion control
09/22/2005WO2005088821A1 Device for separating the radio noise voltages of three-phase converter systems into a common mode component and a push-pull component
09/22/2005WO2005088814A1 Power converter, inverter x-ray high voltage unit, fluoroscopic system, x-ray ct system, mri system
09/22/2005US20050207193 Transition mode operating device for the correction of the power factor in switching power supply units
09/22/2005US20050207192 Vector controller for a polyphase synchronous rectifier, method of vector-controlling a polyphase synchronous rectifier and synchronous rectifier incorporating the same
09/22/2005US20050207129 Power supplies and methods of installing power supplies
09/22/2005DE10014665B4 Verfahren zum Schutz eines Matrixumrichters vor Überspannungen und eine aktive Überspannungsvorrichtung Method for protecting a matrix against overvoltage and an active overvoltage device
09/21/2005CN2727751Y Medium-high voltage frequency-converter output grounded detecting circuit
09/21/2005CN1672316A Method and device for controlling voltage
09/21/2005CN1671033A System for controlling the delivery of power to DC computer components
09/21/2005CN1671032A Flyback power converter capable of switching zero potential in critical mode
09/15/2005WO2005086338A1 System and method for increasing output horsepower and efficiency in a motor
09/15/2005WO2005086335A1 Variable speed drive for multiple loads
09/15/2005WO2005085646A1 System and method for variable speed operation of a screw compressor
09/15/2005US20050200337 Power converter circuit and associated triggering method for generators with dynamically variable power output
09/15/2005US20050199604 Method and apparatus for receiving a universal input voltage in a welding power source
09/15/2005CA2557593A1 Variable speed drive for multiple loads
09/15/2005CA2557586A1 System and method for increasing output horsepower and efficiency in a motor
09/15/2005CA2557560A1 System and method for variable speed operation of a screw compressor
09/14/2005EP1575154A1 Turbo set
09/14/2005CN2726209Y Head band current limiter
09/14/2005CN2726042Y Wireless and infrared remote-controlled stepless light modulating switch
09/14/2005CN1219350C Method and device for sampling source voltage
09/14/2005CN1218807C Power supply for arc-welding
09/13/2005US6944035 Power factor corrected UPS with improved connection of battery to neutral
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