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)
12/2013
12/05/2013	US20130322133 System and method for high resistance ground fault detection and protection in power distribution systems
12/05/2013	US20130322132 System for power conversion
12/05/2013	DE102012104801A1 Stromrichter mit redundanter Zwischenkreisspannungsmessung, sowie Verfahren zum Betreiben eines Stromrichters Power converter with a redundant intermediate circuit voltage measurement, and method for operating a power converter
12/04/2013	EP2670212A1 A half bridge induction heating generator and a capacitor assembly for a half bridge induction heating generator
12/04/2013	CN203326897U High-power frequency converter using DC contactor
12/04/2013	CN203326896U Power unit of unit serially-connected type high-voltage frequency converter
12/04/2013	CN203326895U Pulse electroplate power source based on one-chip microcomputer
12/04/2013	CN203326894U Modularized parallel-operation power saving device
12/04/2013	CN203326893U Voltage regulating device with isolation protection function
12/04/2013	CN203326892U Intelligent acquisition terminal power system
12/04/2013	CN203326889U Chained large power step down DC converter
12/04/2013	CN203326888U Light-load and high-efficiency novel-type adapter power supply
12/04/2013	CN203320091U Titanium-casting machine power supply system
12/04/2013	CN103427680A Transformer tap-changing circuit and method of making same
12/04/2013	CN103427676A Three-phase reactor power saving device
12/04/2013	CN103427667A High-performance static substation medium-frequency power supply
12/04/2013	CN103427666A Carrier modulation method of two-stage matrix converter
12/04/2013	CN103427665A Ship-borne power source
12/04/2013	CN103427664A Inversion filtering control device of power generation system of comprehensive energy steam turbine
12/04/2013	CN103427663A Power converter and matrix converter
12/04/2013	CN103427662A 35 KV step-down transformer with grading compensation and automatic voltage adjusting functions
12/04/2013	CN103427502A Circuit and method for modulating envelope curves of IPT (inductive power transfer) system on basis of pulse width recognition
12/04/2013	CN102197562B Device for feeding a consumer network with the electric power of a supply network
12/04/2013	CN102124642B Direct conversion device, method for controlling same, and control signal generation device
12/04/2013	CN101981799B Power assist device
12/03/2013	US8599589 Methods and systems for reducing power consumption
12/03/2013	US8599585 Power conversion device
12/03/2013	US8599584 Device for feeding back power
12/03/2013	US8599579 Method of controlling a PFC stage operating in boundary conduction mode, a PFC stage, and an SMPS
12/03/2013	CA2573005C Method for regulating a converter connected to a dc voltage source
12/01/2013	CA2817474A1 The power supply arrangement with an inverter for producing a single-phase alternating current
12/01/2013	CA2816625A1 Power supply arrangement with an inverter for producing n-phase ac current
11/2013
11/28/2013	US20130314953 Harmonic regulator for current source rectification and inversion
11/28/2013	US20130314952 Single-phase reactor power saving device
11/28/2013	US20130314069 Power supply device, adapter, power receiving device, and power supply method
11/28/2013	DE102012109293A1 Dreiphasendrossel-Energiesparvorrichtung Three phase line reactor energy saving device
11/27/2013	EP2666237A1 Power-level waveform generation method
11/27/2013	CN203313071U Plasma ignition system and power supply system thereof
11/27/2013	CN203313070U PWM rectification modules and power supply formed through integration of PWM rectification modules
11/27/2013	CN203313066U Large-piezoelectricity sensor system
11/27/2013	CN203313065U Low voltage power supply controller used for industrial waste gas processing equipment
11/27/2013	CN203312900U Seamless switching purifying power supply device
11/27/2013	CN103414360A Combination switching power supply
11/27/2013	CN103414354A Power switch device pulse transformer isolation driving circuit
11/27/2013	CN103414353A Phase shift power supply device and phase shifting method
11/27/2013	CN103414352A Push-pull type output circuit
11/21/2013	WO2013171800A1 Power conversion device
11/21/2013	US20130307463 Power conversion apparatus, power conversion method, motor system, and two-phase induction motor
11/20/2013	CN203301411U Brushless motor system for electric hammer/electric pick
11/20/2013	CN203301388U High-frequency and high-voltage power supply device for electrostatic precipitator
11/20/2013	CN203301380U An AC null line and live wire intelligent identifying and converting circuit
11/20/2013	CN203301379U Ultra low frequency high-voltage generator
11/20/2013	CN203301378U Voltage converting circuit
11/20/2013	CN203301208U Integrated desulfurization denitration island intelligence power supply management system
11/20/2013	CN203301207U Desulfurization denitration island intelligence power supply management system
11/20/2013	CN1953318B Power converter methods and apparatus for variable speed high power machines
11/20/2013	CN103401433A Hybrid-power CRH (China Railway High-speed) traction converter suitable for multiple power-supply modes
11/20/2013	CN103401432A Modularization parallel running electricity saving device
11/20/2013	CN103401407A Fault protection method for H-bridge cascaded high-voltage converter
11/20/2013	CN103401267A Grid-connected circuit for small-sized wind-driven generator
11/20/2013	CN102340138B Power supply and distribution system for building
11/20/2013	CN102255515B Hybrid power supply system for electrified railway
11/20/2013	CN102223081B Method for charging high-capacity voltage type frequency converter
11/20/2013	CN102204056B Device for feeding a consumer network with the electric power of a supply network
11/20/2013	CN101764525B Vector transducer with low electromagnetic interference
11/19/2013	US8587962 Compensation for electrical converter nonlinearities
11/19/2013	US8587141 Frequency converter
11/14/2013	WO2013166870A1 Multilevel inverter device and method
11/14/2013	WO2013020998A3 Direct electrical heating arrangement comprising a power electronic converter
11/14/2013	US20130301329 Electrical circuit, in particular used for generating electrical power
11/14/2013	US20130301316 Power-level waveform generation method
11/14/2013	US20130301315 Method for operating an inverter, and control device
11/14/2013	US20130301314 Multilevel Inverter Device and Method
11/14/2013	US20130301313 Hvdc system and method to control a voltage source converter in a hvdc system
11/13/2013	EP2662561A1 Method and arrangement for damping a shaft oscillation
11/13/2013	EP2661805A1 Method and apparatus for resonant power conversion
11/13/2013	CN203289379U A frequency conversion circuit for converting frequency and regulating speed of AC with high voltage and large power
11/13/2013	CN203289332U High-frequency high-voltage generator for heating dielectric material
11/13/2013	CN203289331U Bipolar matrix converter and asynchronous motor based on same
11/13/2013	CN203289330U Modularization explosion-proof frequency converter and cabinet thereof
11/13/2013	CN203289329U Power system of cable formation tester for petroleum logging
11/13/2013	CN203289328U Special-type boosting transformation apparatus
11/13/2013	CN203289327U Short-distanced boosting device
11/13/2013	CN203289326U Quick cable connector-based four-quadrant high-voltage frequency converter
11/13/2013	CN203289117U High-efficient rectification and inversion integrated energy feedback system
11/13/2013	CN203289105U A power active filter outputting large current
11/13/2013	CN203288945U Power supply box for visual building intercommunication system
11/13/2013	CN102231531B Wind electric field electrical network voltage disturbance simulation generating device
11/13/2013	CN102055354B Alternating current-direct current (AC-DC) converter and frequency converter
11/12/2013	CA2672827C Inverter generator
11/07/2013	US20130294110 Electromagnetic energy-flux reactor
11/07/2013	DE102012008873A1 Device for ventilating e.g. direct voltage/alternating voltage transducer for electric motor, has intermediate circuits connected between power electronics and fan to supply fan with electric power, where fan ventilates power electronics
11/06/2013	EP2660964A1 Electricity supply assembly with a first and a second power supply device, where the second power supply device is connected to the first power supply device
11/06/2013	CN203278666U Dotting frequency controller of electric spark dotting timer
11/06/2013	CN203278665U Switch power supply and refrigerator having the same
11/06/2013	CN203278664U Three-level explosion-proof frequency converter
11/06/2013	CN203278663U High-voltage matrix converter
11/06/2013	CN203278662U Intermediate-frequency power supply supplied by photovoltaic power supply
11/06/2013	CN203278661U Voltage-adjusting system of transformer
11/06/2013	CN203278615U Power module for middle and high voltage inverter and inverter employing same

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