| 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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| 06/29/2011 | CN101316071B Adjustable multipurpose power source |
| 06/28/2011 | US7968785 Frequency spectrum conversion to natural harmonic frequencies process |
| 06/23/2011 | US20110149626 Bidirectional inverter for new renewable energy storage system |
| 06/23/2011 | US20110149617 Ac/ac conversion power supply device |
| 06/22/2011 | EP1557925B1 Power converter apparatus and related driving method for generators with dynamically varying output power |
| 06/22/2011 | DE102010053100A1 Measuring device for use in control device utilized for transmission of power from photovoltaic system into energy supply network, has evaluation unit determining whether inductor is located in saturated state based on measurement signal |
| 06/22/2011 | DE102009055053A1 Verfahren und Vorrichtung zur Entladung eines Energiespeichers in einem Hochspannungsnetz Method and apparatus for discharging an energy storage device in a high voltage network |
| 06/22/2011 | DE102009041019A1 Method for controlling insulated gate bipolar transistors of bridge section of phases in self-commutated power converter of intermediate voltage circuit-converter, involves controlling power semiconductors, and determining alternating cycle |
| 06/22/2011 | CN201878035U Inverter for cold-cathode fluorescence lamp |
| 06/22/2011 | CN201878020U Integrated gate-commutated thyristor (IGCT)-based hybrid series H-bridge multi-level voltage frequency converter |
| 06/22/2011 | CN201878019U Transducer |
| 06/22/2011 | CN201878018U 220V step-down transformer |
| 06/22/2011 | CN201878017U Series connection voltage regulation circuit of self-coupling transformer |
| 06/22/2011 | CN102106069A Electric power converter |
| 06/22/2011 | CN102104343A Power conversion apparatus |
| 06/22/2011 | CN101562401B Three-phase intermediate frequency power supply |
| 06/16/2011 | US20110141787 Method in frequency converter, and frequency converter |
| 06/16/2011 | US20110141774 Variable speed drive |
| 06/16/2011 | US20110141772 Resonance Power Generator |
| 06/16/2011 | US20110140438 Power conversion system and method for a rotary power generation system |
| 06/16/2011 | DE102009033228B4 Kunststoffverarbeitungsmaschine und Verfahren zum Betreiben einer solchen Plastic processing machine and method for operating such |
| 06/15/2011 | EP2332246A1 Bi-directional inverter-charger |
| 06/15/2011 | CN201869106U Double-feed wind power frequency converter |
| 06/15/2011 | CN201869105U Voltage regulator |
| 06/15/2011 | CN201869104U Three-phase alternating current generator |
| 06/15/2011 | CN102097963A Three-phase full-controlled rectifying device and rectifying and current-limiting method thereof |
| 06/15/2011 | CN102097955A Voltage source for high-voltage direct current transmission converter valve running test |
| 06/15/2011 | CN102097953A All-digital control secondary inverter high-voltage variable frequency rectangular wave alternating-current power supply device suitable for crude oil dehydration |
| 06/15/2011 | CN102097952A Power supply unit, image forming apparatus and power supply control method |
| 06/15/2011 | CN101478284B Motor system capable of lowering common mode noise |
| 06/14/2011 | US7961486 Capacitive power supply system |
| 06/09/2011 | WO2011067090A2 Method for operating an inverter circuit and device for carrying out said method |
| 06/09/2011 | WO2011066860A1 Method and arrangement for controlling a voltage intermediate circuit converter |
| 06/09/2011 | US20110134663 Power converter |
| 06/09/2011 | DE102005050842B4 Verfahren zum Betrieb eines Umrichters sowie Schaltungsanordnung Method for operating a converter and circuitry |
| 06/09/2011 | CA2782210A1 Method for operating a converter circuit, and apparatus for carrying out the method |
| 06/08/2011 | EP2329585A1 Inductively coupled ac power transfer |
| 06/08/2011 | CN201860268U Integrated power supply |
| 06/08/2011 | CN201860267U Frequency converter capable of cancelling harmonic wave and compensating reactive power |
| 06/08/2011 | CN201860266U Control system for suppressing current oscillation and distortion of three-phase to mono-phase matrix converter |
| 06/08/2011 | CN201860265U Switching power supply circuit of pump-type matrix converter capable of realizing voltage transformation and frequency conversion |
| 06/08/2011 | CN201860122U Current type multilevel converter applied to wind power synchronization |
| 06/08/2011 | CN1946587B Power supply system for vehicle with improved energy efficiency and vehicle including the same |
| 06/08/2011 | CN102088246A Dead zone zero current clamping compensation method and device of multi-level converter |
| 06/08/2011 | CN101355310B Frequency-converting circuit |
| 06/08/2011 | CN101218738B Variable speed drive for a chiller system |
| 06/07/2011 | US7957164 Power device for supplying AC voltage to a load having a discharge part |
| 06/07/2011 | CA2425587C Reverse phase control power switching circuit with overload protection |
| 06/03/2011 | WO2011064277A2 Failure tolerant power electronic converter system |
| 06/03/2011 | WO2011012689A3 A high-voltage frequency conversion device |
| 06/02/2011 | US20110127837 Power conversion apparatus |
| 06/01/2011 | EP2328264A1 Cycloconverter and system with such a cycloconverter |
| 06/01/2011 | EP2327144A1 Alternating direct converter for varying the electric power to be applied to a charge |
| 06/01/2011 | CN201854192U Medium-voltage frequency converter of wind generating set |
| 06/01/2011 | CN201854191U Power supply capable of automatically switching double voltage inputs |
| 06/01/2011 | CN102084582A Direct-type converter and method for controlling the same |
| 06/01/2011 | CN102082515A High frequency isolated AC-AC mode three-level AC-AC converter based on flyback converter |
| 06/01/2011 | CN102082514A Multi-mode combined AC-AC (alternating current-alternating current) converter based on fly-back converter |
| 06/01/2011 | CN102082432A Cascading convertor station and cascading multi-terminal high-voltage direct-current (MTHVDC) transmission system |
| 06/01/2011 | CN102081684A Simulation method of double four-quadrant converter |
| 06/01/2011 | CN101043780B Road lamp electricity-saving method and electricity-saving device |
| 05/31/2011 | US7952896 Power conversion architecture with zero common mode voltage |
| 05/26/2011 | US20110122661 Direct-type converting apparatus and method for controlling the same |
| 05/26/2011 | DE102009054449A1 Selbstabgleichende RF-Plasmastromversorgung Self-adaptive RF plasma power supply |
| 05/25/2011 | EP2324550A1 Power supply arrangement for direct electrical heating of a pipeline system |
| 05/25/2011 | CN201846304U Cascade topological frequency converter system |
| 05/25/2011 | CN201846239U Bow net arc testing power supply device |
| 05/25/2011 | CN201846238U Constant-power regulation circuit of serial inverter |
| 05/25/2011 | CN201846237U Three-phase and multi-gear voltage regulator |
| 05/25/2011 | CN1926742B Method for operating electric generator frequency-converter and wind-power turbomachine having electric generator operated by the method |
| 05/25/2011 | CN102075097A Method for controlling n+1 fault redundancy of cascade type converter |
| 05/25/2011 | CN102075096A Fault tolerance design-based high-power power electronic transformer |
| 05/25/2011 | CN102075095A Alternating current power supply of imaging logging system |
| 05/25/2011 | CN101478243B Switch electric power circuit with wide inputting range |
| 05/25/2011 | CN101291129B Wind power electricity generating apparatus |
| 05/24/2011 | US7948781 Contactless power receiving unit and electronic device employing the same |
| 05/24/2011 | US7948778 Self-testing power supply apparatus, methods and computer program products |
| 05/19/2011 | WO2011058273A2 Multi-level, multi-voltage matrix converter circuit and method for implementing such a circuit |
| 05/19/2011 | US20110116823 Power supply device, heating unit using same, and image forming apparatus using said heating unit |
| 05/19/2011 | US20110116295 Control device for matrix converter |
| 05/19/2011 | DE112009000813T5 Stromzuführungseinrichtung und Stromzuführungsanordnung Power supply device and power supply configuration |
| 05/19/2011 | DE102009053061A1 Electrical arrangement for power electronics in electric motor, has impedance switched in series with electrolytic capacitor, where impedance lies in region between condenser and fully equivalent series resistance of capacitor |
| 05/18/2011 | CN201839222U Self-adaptation commutation-integral regulating logic circuit of high-frequency link matrix type inverter |
| 05/18/2011 | CN201839216U High-voltage frequency changer |
| 05/18/2011 | CN201839215U High-frequency high-tension switch rectifier power supply |
| 05/18/2011 | CN201839214U 组合变频器 Combination Drive |
| 05/18/2011 | CN201839213U Three-phase voltage changer |
| 05/18/2011 | CN201839212U Double-harmonic current power supply |
| 05/18/2011 | CN201839211U Three-phase high-voltage frequency converter |
| 05/18/2011 | CN201839006U 电力品质控制系统装置 Power quality control system devices |
| 05/18/2011 | CN201833893U Electric transmission system for subway shunting |
| 05/18/2011 | CN102067406A Regulation method for a high voltage DC transmission plant with DC link and self-commutated inverters |
| 05/18/2011 | CN102064714A Doubly-fed wind power frequency converter |
| 05/18/2011 | CN102064713A High-efficiency flyback grid-connected photovoltaic inverter |
| 05/18/2011 | CN102064712A Power electronic transformer based on simple PFC (Power Factor Correction) |
| 05/18/2011 | CN102064711A High-power grade full-power wind power grid connected converter for synchronizing generator |
| 05/18/2011 | CN102064710A Thyristor pressure regulator with phase sequence protection |
| 05/18/2011 | CN102064533A Direct-current overvoltage control system of uncontrollable rectification unit of cascade high-voltage transducer |
| 05/18/2011 | CN101594059B N+1 redundancy high-voltage frequency converter with double standby power units and control method |
| 05/17/2011 | US7944717 Power converter apparatus and power converter apparatus control method |