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)
01/2001
01/02/2001US6169669 Digital signal processor controlled uninterruptable power supply
12/2000
12/27/2000CN2412315Y Contact voltage regulator controlled by electronic switch
12/27/2000CN2412314Y Controllable electrical switch
12/26/2000US6166930 Reduced common voltage in a DC matrix converter
12/26/2000US6166929 CSI based drive having active damping control
12/26/2000US6166928 Method for open-loop and closed-loop control of an electrical drive as well as an apparatus for carrying out the method
12/26/2000CA2063690C Method of controlling electric valves of a converter
12/21/2000WO2000077917A2 Indirect voltage converter
12/21/2000WO2000077915A1 Circuit for supplying power to a semiconductor switching device
12/21/2000WO2000077802A1 Charge transfer apparatus and method therefor
12/20/2000CN1277486A AC voltage regulator
12/13/2000EP1059724A2 AC voltage regulator
12/13/2000CN2410815Y Electric power electronic power source device
12/13/2000CN2410805Y Fire fighting emergency lamp with cold core
12/12/2000US6160722 Uninterruptible power supplies with dual-sourcing capability and methods of operation thereof
12/12/2000CA2106784C Inductive power distribution system
12/07/2000WO2000074225A1 Alternating current motor drive for electrical multiple units (emu)
12/07/2000WO2000073652A1 A wind power plant and a method for control
12/07/2000WO2000073102A1 A device for generating a one-phase alternating voltage
12/07/2000CA2375067A1 A wind power plant and a method for control
12/06/2000EP1057250A1 Device for controlling inverters
12/06/2000EP1057249A1 Matrix converter
12/06/2000EP1057248A1 Impedance angle control method
12/06/2000EP1057247A1 Ac power converter
12/06/2000EP1057088A1 Method for controlling the dissipation of an electric signal and implementing device
12/06/2000CN2409711Y Electric fan fair wind changer
12/06/2000CN1059296C Watt comsumption controlling circuit
11/2000
11/29/2000EP1056189A1 Method and device for galvanically isolated power supply to an electric device at a very low safety voltage
11/28/2000US6154378 Polyphase inverter with neutral-leg inductor
11/23/2000WO2000070734A1 Control of a dc matrix converter
11/23/2000WO2000070733A1 Method and system for controlling ac current supplied to an inductive load from an ac powerline
11/23/2000WO2000070420A1 Switching power supply for lowered distribution system disturbance
11/23/2000WO2000030242A3 Step switch cycloconverter utilizing multi-tap armature
11/22/2000CN1058817C Constant current, voltage controlled a. c. loading device
11/21/2000US6151228 Filter apparatus for use in an inverter apparatus
11/21/2000US6150731 Integrated high frequency marine power distribution arrangement with transformerless high voltage variable speed drive
11/16/2000WO2000017728A9 Computer controlled ac electrical terminations and network
11/15/2000CN2406416Y Double-way light regulating/speed regulating telecontrolled timed switch
11/15/2000CN2406415Y Single-way light-regulating/speed-regulating telecontrolled timied switch
11/15/2000CN2406414Y Double-way temp.-regulating telecontrolled switch socket
11/14/2000US6147885 Method and apparatus for controlling providing of conditioned AC power
11/07/2000US6144191 Voltage regulator
11/07/2000US6144190 Energy conversion system employing stabilized half-bridge inverter
11/02/2000WO2000065878A2 Method and device for supplying an electric arc melting furnace with current
11/02/2000EP1048106A1 Power transformer design for the electronic converters
11/02/2000DE19920049A1 Verfahren und Vorrichtung zur Stromversorgung eines über einen Lichtbogen betriebenen Schmelzaggregates Method and apparatus for supplying power to a powered via an arc melting unit
11/02/2000CA2371094A1 Process and device for supplying current to an electric-arc melting unit
11/01/2000CN1058114C Electric power conversion circuit by changing sine ac power to balance amplitude-modulated wave
10/2000
10/30/2000CA2280382A1 Power supply operable with wide input range
10/24/2000US6137704 Power conversion apparatus utilizing zero-phase power supply device that provides zero-phase sequence components
10/18/2000CN2402057Y Adjustable timed preattenuator
10/17/2000US6134128 Method for protecting a high-performance power converter and a protection arrangement for executing the method
10/17/2000US6134126 Power conversion system
10/12/2000WO2000060729A1 Voltage converter
10/05/2000WO2000059100A1 Universal power module
10/04/2000CN2399759Y Non-contact a. c. voltage stabilizer
10/04/2000CN1268802A Power conversion device
09/2000
09/28/2000DE19913634A1 Control method for voltage DC-link converter mains-side static converter semiconductor interruptable switch
09/27/2000CN1056950C High frequency AC/AC converter with power factor correction
09/26/2000US6125045 Power converter having first and second power conversion units with thyristors
09/26/2000US6124702 Step switch cycloconverter utilizing multi-tap armature
09/21/2000WO2000017728A3 Computer controlled ac electrical terminations and network
09/20/2000CN2397669Y Micro AC power source transformer
09/20/2000CN1267404A Inverter system
09/19/2000US6122182 Direct AC to AC power conversion apparatus for controlling power delivered to a load
09/13/2000EP1035638A2 Method and circuit arrangement for imaging the network voltage near power supply devices capable of feeding back energy
09/13/2000CN2396568Y Self-phase-change inverter
09/13/2000CN2396567Y Voltage stabilizer
09/13/2000CN1266307A Power supply equipment
09/13/2000CN1266306A Power supply equipment
09/13/2000CN1056485C Invertor power supply having magnetic amplifier
09/13/2000CN1056484C Power-supply unit, controlling method, power-supply unit for game machine and controller for same
09/12/2000US6118678 Charge transfer apparatus and method therefore
09/12/2000US6118677 Motion control system having an auxiliary power supply
09/12/2000US6118676 Dynamic voltage sag correction
09/08/2000WO2000052813A1 Control device for controlling a current conduction angle
09/07/2000DE19909706A1 Verfahren und Schaltungsanordnung zur Abbildung der Netzspannung bei rückspeisefähigen Versorgungsgeräten Method and circuit arrangement for imaging the mains voltage in regenerative supply equipment
09/06/2000EP1033805A2 Power unit
09/06/2000CN1265784A Power converter
09/05/2000US6114655 Method and apparatus for producing welding power
08/2000
08/30/2000EP1031181A1 Circuit for transforming, switching, adjusting or controlling electric power
08/30/2000CN2394376Y Electronic voltage regulator for diamond shape selector
08/30/2000CN1056021C Method and device for controlling load power via phase adjustment system
08/29/2000US6111766 Method for compensating an output signal of an electronic device
08/29/2000US6111392 Power source device including a plurality of switching circuit for power conversion with switching elements used in common
08/29/2000CA2235750C Power source device including a plurality of switching circuits for power conversion with switching elements used in common
08/23/2000EP1030436A2 Circuit arrangement for an AC controller
08/23/2000EP1029783A2 Marine power distribution arrangement
08/23/2000CN2393262Y Multipurpose ac. resistance-value regulation model
08/23/2000CN1055806C Constant voltage clamped forward switching soruce
08/23/2000CN1055805C Portable power unit
08/23/2000CN1055650C Amplitude-modulated series-resonant inverting arc welding power source
08/22/2000US6108220 Solid state fail-safe control of an AC load utilizing synchronous switching
08/22/2000US6107783 Snowmobile handlebar heater control
08/22/2000US6107773 Circuit arrangement for feeding a load
08/16/2000CN2392304Y AC electricity saving means
08/09/2000EP1026925A2 Electronic transformer for powering a load
08/03/2000DE19903904A1 Elektronischer Transformator zum Betreiben einer Last Electronic transformer for operating a load
08/02/2000CN2390353Y Power supply for electric screwdriver
08/02/2000CN2390229Y Voltage- and frequency- stabilizer
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