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)
12/2012
12/19/2012CN202607041U Inverted manual arc welding machine of insulated-gate bipolar transistor
12/19/2012CN102835024A Adjustment device and an electric drive of an elevator
12/19/2012CN102832826A Control circuit and transformation system for power converter and control method of transformation system
12/19/2012CN102832825A IGBT/FET-based energy saving device, system and method
12/19/2012CN102832824A Medium-small power high-precision high-frequency sine wave alternating current power supply
12/19/2012CN102832795A Two-stage three-phase four-leg matrix converter with direct-current constant-voltage output function
12/19/2012CN102832231A Compound semiconductor device and method of manufacturing the same
12/19/2012CN102832014A Power transformer and power supply system
12/19/2012CN102832010A Machine tool workpiece demagnetization control device and method
12/18/2012US8335095 One cycle control method for power factor correction
12/18/2012US8335094 Power frequency converter
12/13/2012WO2012169987A1 The method of forming of alternating voltages with the preset ratio
12/13/2012US20120314460 High yield ac-ac power converter and method therefor
12/13/2012DE102009017254B4 Vorrichtung zur Ankopplung von Energiespeichern an einem Spannungszwischenkreis eines Traktionsstromrichters Apparatus for coupling energy storage at a voltage intermediate circuit of a traction converter
12/12/2012EP2533410A2 High yield AC - AC power converter and method therefor
12/12/2012EP2533409A1 Frequency inverter with a current limiting device and method for operating same
12/12/2012CN202602544U Power conversion module of inverter air conditioner
12/12/2012CN202602543U Two-way four-quadrant frequency converter
12/12/2012CN202602542U Wide-range voltage-stabilized and frequency-stabilized power supply
12/12/2012CN202602541U Power transmission energy-saving voltage regulation device
12/12/2012CN202602285U New energy electric field boosting transformer system
12/12/2012CN102823329A Photosensor circuits including a current amplifier
12/12/2012CN102820797A Inverter device adopting multi-winding transformer and multi-H-bridge structure and voltage output method thereof
12/12/2012CN102820791A Energy-saving type crystal growth high-frequency power supply device
12/12/2012CN102820790A High yield AC-AC power converter and method therefor
12/12/2012CN102820789A Alternating-current zero line and firing line identification and conversion circuit
12/12/2012CN102820788A Multipurpose transformer with manual and automatic power line winding and unwinding functions
12/12/2012CN102025281B Cuk-converter-based high-frequency isolated three-level alternating current (AC)-AC converter
12/11/2012US8332168 Instrument power controller and method for adaptively providing an output voltage and an output current that together maintain a substantially constant electrical output power
12/10/2012DE202012002208U1 Schaltungsanordnung zum Betreiben einer Last Circuit arrangement for operating a load
12/06/2012WO2012165104A1 Power conversion device
12/06/2012WO2012165103A1 Power conversion device
12/06/2012WO2012165102A1 Power converter
12/06/2012WO2012165101A1 Power conversion device
12/06/2012WO2012165100A1 Power conversion device
12/06/2012WO2012165099A1 Power conversion device
12/06/2012WO2011134057A8 Power converter for a power generator
12/06/2012US20120307531 DC Capacitor-less Power Converters
12/05/2012CN202586767U Novel inverter
12/05/2012CN202586766U Motor transducer taking touch screen as operation display panel
12/05/2012CN202586765U Inverting filtration control device of power generation system of comprehensive energy steam turbine
12/05/2012CN202586764U H bridge output circuit driven by motor
12/05/2012CN202586763U New type dual-power on-load voltage regulating and rectifier transformer
12/05/2012CN202586762U Converter main board
12/05/2012CN202586761U Three-phase controllable silicon voltage regulation and power regulation device
12/05/2012CN202586760U Three-phase full digital thyristor power controller
12/05/2012CN202586759U Single-phase full digital thyristor power controller
12/05/2012CN202586758U Single-phase silicon-controlled closed-loop power regulator
12/05/2012CN102810994A Assembly for inverting current comprising an inverter
12/05/2012CN102810990A Power converter circuit and associated triggering method for generators with dynamically variable power output
12/05/2012CN102810989A Simulated electromotive force energy saver
12/05/2012CN102810988A Unit bus voltage self-balancing method and device for cascading high-voltage inverter
12/05/2012CN102810856A Phase correction method for arbitrary impulse converter transformer current difference
12/05/2012CN102097963B Three-phase full-controlled rectifying device and rectifying and current-limiting method thereof
12/05/2012CN101917125B Detachable underground high-voltage explosion-proof frequency converter
12/05/2012CN101753040B Power adaptor
12/05/2012CN101714823B Power transducer
12/05/2012CN101515758B Device for protecting a speed controller against overcurrent
12/04/2012US8324823 AC LED dimmer and dimming method thereby
11/2012
11/29/2012WO2012162237A1 Resonant power conversion circuit
11/29/2012WO2012160615A1 Ac conversion circuit, ac conversion method, and recording medium
11/29/2012US20120300511 Ac converter, ac converting method, and storage medium
11/29/2012US20120300509 Power supply system and method with electronic high-voltage transformer
11/29/2012DE102011076512A1 Zweiquadrantensteller Two-quadrant
11/29/2012DE102010014281A9 Induktive elektronische Baugruppe und Verwendung einer solchen Inductive electronic assembly and use of such
11/28/2012EP2528225A1 Control of a rotating electric machine
11/28/2012EP2528219A2 Frequency converter assembly
11/28/2012CN202565175U Start power unit for chain static var generator and start power thereof
11/28/2012CN202565174U Electric arc power device wide in input voltage range
11/28/2012CN202565173U High power factor medium blocking discharge power supply circuit
11/28/2012CN202565172U Novel inverter corona machine power supply
11/28/2012CN202565171U Novel frequency converter equipped with power frequency by-pass
11/28/2012CN202565170U Efficient light intermediate-frequency alternating-current permanent magnet generator frequency converter
11/28/2012CN202565169U Frequency converter with wireless detecting system
11/28/2012CN102804580A An arrangement for exchanging power
11/28/2012CN102804294A A versatile distribution transformer
11/28/2012CN102801336A Novel inversion type three-phase corona machine
11/28/2012CN102801335A Thickened oil electric thermal recovery heating power supply
11/28/2012CN102801334A Thickened oil electric thermal recovery heating power supply with fault diagnosis and warning functions
11/28/2012CN102801333A Voltage supplying device
11/28/2012CN101944855B Digital control power supply converter for kitchen range
11/28/2012CN101578756B Power converter with snubber
11/28/2012CN101399501B Power converter
11/28/2012CN101098108B Electric power transformation device and method
11/27/2012US8320147 Portable device for generating two phases from a single electrical phase
11/27/2012US8320143 Bridge synchronous rectifier
11/22/2012US20120294050 Inverter generator
11/22/2012US20120294049 Parallel running control apparatus for inverter generators
11/22/2012DE102011076199A1 Spannungseinstellvorrichtung Tension adjustment
11/21/2012EP2525481A1 Control device for a circuit inverter and inverter
11/21/2012EP2524421A1 Radio-frequency (rf) voltage supply system and method for supplying a multipole mass spectrometer with the alternating rf voltage used to generate a multipole field
11/21/2012CN202550896U Pulse control circuit based on IGBT alternating current chopper
11/21/2012CN202550895U AC stabilized power supply with over-voltage and under-voltage protection function
11/21/2012CN202550894U Cell series multilevel inverter circuit based on direct current voltage controllability
11/21/2012CN202546195U Jet apparatus with isolating transformer
11/21/2012CN202541349U Shore movable transformer substation integration system for boat
11/21/2012CN102790536A Topological structure of parallel interleaving two-step matrix converter and control method thereof
11/21/2012CN102790535A H-bridge based high-voltage regulated power supply
11/21/2012CN102025282B Power control circuit and electronic device provided with same
11/21/2012CN101938217B Adaptive pulse width modulation solution of wind driven generator converter
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