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)
04/2010
04/14/2010CN101694967A Alternating-current brushless voltage regulating and stabilizing digital power-supply unit
04/14/2010CN101694966A Low-voltage power supply system with three-core parallel insulated conductor consisting of two live wires and one neutral wire and based on steel-cored aluminum stranded wire serving as neutral wire
04/14/2010CN101378208B Control system for rail type conveyor
04/14/2010CN101227152B High-capacity square wave impact current generator
04/13/2010US7696647 Coupling node
04/13/2010CA2370074C Energy converter
04/08/2010DE102009024224A1 Verfahren und Vorrichtung zur Begrenzung einer auftretenden Systemschwingung bei einem Spannungszwischenkreis-Umrichter mit getakteter Einspeisung Method and apparatus for limiting a system oscillation occurring in a voltage-source inverter with synchronized feed
04/08/2010DE102008049610A1 Stromversorgungsanlage für einen Drehstrom-Lichtbogenofen mit Zwischenkreisumrichter zwischen Netzanschluss und Ofentransformator Power supply system for a three-phase arc furnace with DC-link between power supply and furnace transformer
04/08/2010DE10159645B4 Verfahren und Vorrichtung zur Aufrechterhaltung einer Versorgungsspannung einer Stromversorgung einer Elektronik eines Matrixumrichters bei Netzunterbrechung Method and apparatus for maintaining a supply voltage of a power supply of an electronics power supply interruption in a matrix
04/07/2010EP2171837A1 Multi output inverter
04/07/2010CN201436776U Inverting circuit and corresponding rectified filter circuit and inverter resistance welding machine
04/07/2010CN1488188B Waveform exchange method and equipment
04/06/2010US7692940 Voltage conversion device
04/01/2010WO2010036666A2 Modular multi-pulse transformer rectifier for use in multi-level power converter
04/01/2010US20100080031 Power frequency converter
04/01/2010US20100080021 Uninterruptible power supply with total isolation
04/01/2010US20100078998 Power electronic module pre-charge system and method
03/2010
03/31/2010CN201435684Y Low-voltage frequency converter
03/31/2010CN201435683Y Magnetic coupling digital signal bidirectional transmission circuit
03/31/2010CN201435682Y Intelligent alternating current sine wave high-power electronic voltage regulator
03/31/2010CN201435681Y Switch-switching type high-voltage inverter having unit redundancy
03/31/2010CN201435680Y High-voltage inverter having monolithic power unit redundancy
03/31/2010CN201435672Y Externally connected multifunctional power supply
03/31/2010CN201435376Y Electroless lamp
03/31/2010CN101690407A Inductive load sensor for dimmer circuit
03/31/2010CN101686016A Inductor circuit and method for controlling inductor
03/31/2010CN101686006A Device for protection of power factor correction in three phase power supply and control method thereof
03/31/2010CN101686005A Device for power factor correction in three phase power supply and control method thereof
03/30/2010USRE41170 Voltage regulation of a utility power network
03/30/2010US7688603 Arrangement for monitoring a frequency converter
03/30/2010US7688602 Synchronous rectifier control circuit and method
03/30/2010US7688041 Method and apparatus for active power factor correction
03/25/2010WO2010033959A1 Systems, devices and methods for managing reactive power
03/25/2010WO2010033759A1 Binary voltage regulator
03/25/2010WO2010032761A1 Power converter, manufacturing method thereof and direct matrix converter
03/25/2010WO2010031626A1 Power supply arrangement for direct electrical heating of a pipeline system
03/25/2010US20100073975 Device for power factor correction in three phase power supply and control method thereof
03/25/2010US20100073970 Modular multi-pulse transformer rectifier for use in symmetric Multi-level power converter
03/25/2010US20100073969 Photovoltaic integrated variable frequency drive
03/25/2010CA2737787A1 Systems, devices and methods for managing reactive power
03/25/2010CA2737647A1 Power supply arrangement for direct electrical heating of a pipeline system
03/24/2010EP2166637A1 Power supply arrangement for direct electrical heating of a pipeline system
03/24/2010EP2070184B1 Method and switching arrangement for the feedback of commutation energy of three-phase current motor drive systems with a dc-link current inverter
03/24/2010CN201430714Y Led driver
03/24/2010CN201430535Y Rectangular wave AC crude oil dehydration power supply
03/24/2010CN201430534Y Mutual-control compensation type alternating current stabilized voltage regulating device
03/24/2010CN101682266A Power control of a transport system
03/24/2010CN101682265A A control system for a compressor actuated by an electric motor
03/24/2010CN101678995A Power control of transport system
03/24/2010CN101677224A Variable-speed constant-frequency wind power generation system with high cost performance
03/24/2010CN101677218A Combined type triple level AC-AC converter
03/24/2010CN101677217A Direct current load driving circuit
03/24/2010CN100596008C Seven power level high voltage frequency converter
03/23/2010US7684222 Power conversion apparatus with DC bus precharge circuits and methods of operation thereof
03/23/2010US7684218 Method and device for transforming and regulating a voltage signal
03/23/2010US7684217 Polyphase inverter, control method thereof, air sending device and polyphase current output system
03/23/2010US7683596 Method for regulating an output voltage of a DC/DC converter using an active DC output control circuit
03/18/2010WO2010030957A1 Bi-directional inverter-charger
03/18/2010WO2010030195A1 Inductively coupled ac power transfer
03/18/2010US20100067264 Power conversion apparatus
03/17/2010EP2162976A2 Common mode & differential mode filter for variable speed drive
03/17/2010EP2162376A1 Power control of transport system
03/17/2010CN201426094Y High-voltage frequency converter with N plus 1 unit redundancy structure
03/17/2010CN201426093Y N plus 1 redundancy high-voltage frequency converter with two stand-by power units
03/17/2010CN101675580A Pulse width modulation control of a matrix converter
03/17/2010CN101674021A Heat pipe type power module of high-efficient wind power frequency converter
03/17/2010CN101673611A Transformer used for reducing electromagnetic interference influence and applicable power switching circuit thereof
03/17/2010CN101672871A Voltage reduction detection circuit and switching power supply system
03/17/2010CN100594660C Single/three phase impedance source up/down current A/A converter
03/16/2010US7679941 Power conversion system with galvanically isolated high frequency link
03/16/2010US7679940 Three-phase voltage source inverter system
03/16/2010CA2495606C Device for controlling power by phase control, and method for reducing harmonic waves
03/11/2010WO2010026283A1 Power supply arrangement of a conveying system
03/11/2010WO2010026060A1 Alternating direct converter for varying the electric power to be applied to a charge
03/10/2010EP2160829A1 Redundant current valve control in a high voltage power transmission system
03/10/2010EP2160828A1 Four pole neutral-point clamped three phase converter with zero common mode voltage output
03/10/2010EP2160743A1 Modular transformer
03/10/2010CN201422079Y Measurement and control power source of large soft control type frequency-conversion ozone generator
03/10/2010CN201422078Y Three-stage intelligent regulating transducer device used for energy-saving elevator safety protection power supply
03/10/2010CN101669274A Power converter apparatus and methods using neutral coupling circuits with interleaved operation
03/10/2010CN100593897C Power supply circuit and TV set with said power supply circuit
03/09/2010US7675763 Semiconductor power converter apparatus
03/04/2010US20100054002 Parallel-connected uninterrupted power supply circuit
03/04/2010DE102008045247A1 Umrichter mit verteilten Bremswiderständen Converter with distributed braking resistors
03/03/2010EP2158670A1 Power control of a transport system
03/03/2010CN201418196Y Big power electronic ballast
03/03/2010CN201418163Y Variable-frequency electromagnetic heating device
03/03/2010CN201418035Y Switch power supply circuit for wide range of input voltage
03/03/2010CN201418034Y Power supply circuit and TV possessing the power supply circuit
03/03/2010CN201418033Y network transformer for reducing electromagnetic interference
03/03/2010CN201418024Y Half-bridge power module and back to back type current transformer constituted by the half-bridge power module
03/03/2010CN101662215A Power-management interface
03/03/2010CN101662214A High voltage isolating switch power and a plurality of output isolated switch power systems
03/03/2010CN100593279C Variable speed drive for multiple loads
02/2010
02/25/2010WO2010021226A1 Direct conversion device, method for controlling same, and control signal generation device
02/25/2010DE202009015851U1 Schutzvorrichtung für einen Leistungswiderstand in Gleichspannungskreisen A protective device for a power resistor in DC circuits
02/25/2010DE20122923U1 Stromrichterschaltungen mit verteilten Energiespeichern Converter circuits with distributed energy stores
02/24/2010EP2156546A1 Torque control for ac motors
02/24/2010EP2156542A2 Prediction scheme for step wave power converter and inductive inverter topology
02/24/2010EP2156541A1 Pulse width modulation control of a matrix converter
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