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) |
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04/03/2014 | US20140092649 Contactless inductively coupled power transfer system |
04/03/2014 | DE102012109283A1 Power converter of electrical machine used for feeding three-phase motor of motor vehicle, has electrical resistance that is provided in circuit portion at same time through decoupling element |
04/02/2014 | EP2713494A1 Energy feed device for feeding electrical energy generated from kinetic energy into an alternating current distributor network |
04/02/2014 | CN203522570U Simple inverter for solar power generator set |
04/02/2014 | CN203522559U Small-power electronic rectifier |
04/02/2014 | CN203522550U Power transformation transmission system suitable for wave power generator unit |
04/02/2014 | CN203522549U Distributed power grid-connected inverter testing ac source capable of island test |
04/02/2014 | CN203522548U Predictive non-circulating-current control apparatus of AC-AC frequency converter |
04/02/2014 | CN203522547U AC-AC variable-frequency phase-control trigger |
04/02/2014 | CN203522546U Broadcast television line power supply device |
04/02/2014 | CN203522545U External power supply structure for self-power utilization of photovoltaic power generation inversion boost units |
04/02/2014 | CN203519675U Large-power frequency-conversion signal source special for measurement of grounding network |
04/02/2014 | CN103703665A Switch mode power supply and method for operating the switch mode power supply |
04/02/2014 | CN103702919A Electricity supply device and elevator system |
04/02/2014 | CN103701335A High-voltage inverter power unit system |
04/02/2014 | CN103701334A Internal combustion engine-driven inverting generating set and inverting control method thereof |
04/02/2014 | CN103701333A Circulating current suppression method for cascade parallel high-voltage frequency converter |
04/02/2014 | CN103701332A Intelligent power transformer on basis of PWM (Pulse Width Modulation) |
04/02/2014 | CN103701331A LLC (Logical Link Control) resonant wide-voltage-range output high-efficiency power supply with variable resonant frequency |
04/02/2014 | CN103700700A Compound semiconductor device and method of manufacturing the same |
04/02/2014 | CN102355140B Concatenated multilevel inverter circuit capable of realizing energy feedback and control method |
04/01/2014 | US8687397 Method for operating a direct converter circuit and device to carry out the method |
04/01/2014 | US8687385 Low power converter |
03/27/2014 | WO2014046012A1 Method for controlling direct power conversion device |
03/27/2014 | WO2014044089A1 On-line uninterrupted power supply topology |
03/27/2014 | US20140085956 Power conversion device |
03/27/2014 | US20140085950 Power conversion device |
03/27/2014 | DE102012217472A1 Power converter e.g. three-phase on-off power converter has measuring unit which is arranged in alternating current branches for detecting de-energized branch depending on switching state of several switchable power semiconductors |
03/26/2014 | EP2710722A2 Method for controlling a cycloconverter, electronic control device therefor, cycloconverter, and computer program |
03/26/2014 | EP2710721A1 Resonant power conversion circuit |
03/26/2014 | CN203504452U Steep-fronted nanosecond pulse power supply for dual-medium low-temperature plasma reactor |
03/26/2014 | CN203504433U Power supply circuit |
03/26/2014 | CN203504432U Voltage-regulating current-regulating direct-current power supply with lightning-stroke-prevention and surging-prevention functions |
03/26/2014 | CN203504421U Novel electronic transformer |
03/26/2014 | CN203504420U High-frequency high-voltage electrostatic precipitator power supply |
03/26/2014 | CN203504419U Movable type AC power supply device |
03/26/2014 | CN203504418U Chain-type SVG power module power supply circuit |
03/26/2014 | CN203504417U High-low frequency conversion circuit system |
03/26/2014 | CN103688456A Power conversion device |
03/26/2014 | CN103688455A Method for operating several loads in alternating current networks with leading edge or trailing edge phase cutting |
03/26/2014 | CN103684201A Six-phase non-feedback alternating-current frequency converter with motor |
03/26/2014 | CN103684190A Motor control apparatus including at least two resistance discharge units |
03/26/2014 | CN103683971A Electricity-generation return transmission circuit loop of permanent magnetic energy motor |
03/26/2014 | CN103683969A A converter which converts a single-phase power supply into a three phase power supply |
03/26/2014 | CN103683968A Power controller adopting single live wire access |
03/26/2014 | CN103683967A Macro-micro driving power supply of linear driver and control method thereof |
03/26/2014 | CN103683966A Regenerative inverter device and inverter device using power cell unit |
03/26/2014 | CN103683965A Silicon controlled intermediate frequency power supply circuit |
03/26/2014 | CN103683964A Resonant bidirectional transducer, uninterruptible power supply device and control method |
03/26/2014 | CN103683963A EMCCD (Electron Multiplying Charge Coupled Device) driving circuit with use of three-winding high-frequency transformer for programmable amplitude modulation |
03/26/2014 | CN103683962A Parallel connection type high-power combined frequency converter |
03/26/2014 | CN103683961A Hybrid high-power combined frequency converter |
03/26/2014 | CN103683960A Series connection type high-power combined frequency converter |
03/26/2014 | CN103683959A Power unit burn-in method for high-voltage frequency converter |
03/26/2014 | CN103683958A Alternative-current/direct-current mutual switching circuit special for magnetic energy motor |
03/26/2014 | CN103683957A Capacitive transformer |
03/26/2014 | CN103683956A Low-power-consumption capacitive alternating-current voltage signal conversion circuit |
03/26/2014 | CN103683951A Inverter with full-wave differential output function |
03/26/2014 | CN103683945A Forward-based power conversion apparatus |
03/26/2014 | CN103683863A Isolation type high-power driving circuit and switch power supply using circuit |
03/26/2014 | CN103683356A Online uninterruptible power supply topology |
03/26/2014 | CN103681834A Compound semiconductor device and method for manufacturing the same |
03/25/2014 | US8681517 AC converter, AC converting method, and storage medium for converting an AC voltage with a relatively high frequency into an AC voltage with a relatively low frequency |
03/25/2014 | US8681515 Energy generation system and anti islanding protecting method thereof |
03/20/2014 | WO2013085393A3 Apparatus and method for transferring electrical power to a rotating shaft |
03/20/2014 | WO2013071933A3 Matching energy consumption of an electric transformer with energy needed by a linear actuator system |
03/20/2014 | US20140078791 Systems and methods for controlling an inverter |
03/20/2014 | DE102012216368A1 Schaltungsanordnung zum Anschluss an eine elektrische Schaltung sowie elektrische Schaltung Circuit arrangement for connection to an electrical circuit and electrical circuit |
03/20/2014 | DE102008018388B4 Verfahren zur automatischen Erkennung einer Last und zur automatischen Zuordnung eines Ansteuerverfahrens durch einen Dimmer sowie Dimmer A method for automatic detection of a load and a driving method for automatic assignment by a dimmer and dimmer |
03/20/2014 | DE102006016983B4 Schaltnetzteil mit einer Überlast- und Kurzschlussabsicherung Switching power supply with overload and short circuit protection |
03/19/2014 | EP2709259A2 Voltage balancing circuit |
03/19/2014 | EP2709258A1 Circuit arrangement for connection to an electrical circuit and electrical circuit |
03/19/2014 | CN203491932U Rotor current recovery and feedback device for slip ring wound rotor motor |
03/19/2014 | CN203491923U Five-level voltage source converter |
03/19/2014 | CN203491898U Bidirectional tide-controlled modularized multi-level mutually-balanced solid-state transformer |
03/19/2014 | CN203491897U Electric transformer for computer |
03/19/2014 | CN203491896U Frequency converter with protective device and frequency converter application system |
03/19/2014 | CN103650317A Power conversion device |
03/19/2014 | CN103650316A Power conversion device |
03/19/2014 | CN103647461A Control method and apparatus of AC-DC series resonance matrix converter |
03/19/2014 | CN103647460A Implementation method for medium-frequency heating power supply of reduction furnace |
03/19/2014 | CN103647459A High-frequency-link parallel inverter with no connection wire |
03/19/2014 | CN103647458A Frequency conversion system and method and device for precharging high-voltage frequency converter in frequency conversion system |
03/19/2014 | CN103647457A Radio frequency solid state transformer |
03/19/2014 | CN103647278A High-capacity unified power disturbance generating device |
03/19/2014 | CN102158072B Power inverter of parallel-connected electric bridge type impedance network |
03/19/2014 | CN102044974B Main circuit topological structure of energy feedback device |
03/17/2014 | CA2826932A1 Power distribution systems |
03/14/2014 | CA2826557A1 Current balance control in converter for doubly fed induction generator wind turbine system |
03/13/2014 | US20140068891 Power factor correction circuit, power supply device and vacuum cleaner using the same |
03/13/2014 | DE102012110969A1 Dreiphasentransformatorsystem und Netz mit einem solchem Dreiphasentransformatorsystem Three-phase transformer system and network with such a three-phase transformer system |
03/12/2014 | EP2706653A1 Five-level power converter, controlling method and controlling device thereof |
03/12/2014 | EP2706652A2 Regenerative inverter device and inverter device using power cell unit |
03/12/2014 | CN203482101U Power supply for vacuum double-frequency induction heating device |
03/12/2014 | CN203482100U Hybrid-power motor-train-unit traction converter suitable for multiple power-supply modes |
03/12/2014 | CN203482099U Three-phase current switch |
03/12/2014 | CN203481824U Power supply system of rolling-cut continuous excavation machine |
03/12/2014 | CN103636111A Variable frequency drive voltage boost to improve utilization |
03/12/2014 | CN103636110A System and method for reducing power consumption in power supply circuit |
03/12/2014 | CN103634957A High-frequency heating apparatus and frequency control method thereof |