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)
08/2012
08/16/2012DE112010003568T5 Adaptiver Photovoltaik-Wandler Adaptive photovoltaic converter
08/15/2012EP2487785A2 Power converter with common mode voltage reduction
08/15/2012EP2487784A1 Method and system for controlling a DC link voltage of a power converter connecting an electric generator of a wind turbine with a power grid
08/15/2012CN202385008U 电子变压器 Electronic Transformer
08/15/2012CN202385007U Electronic transformer with overload protecting function
08/15/2012CN202385006U High voltage frequency converter
08/15/2012CN102638177A Two-way four-quadrant frequency converter
08/15/2012CN102638176A Hybrid cascade multilevel electronic power transformer
08/15/2012CN102638175A Isolation-free constant-amplitude vector alternating current voltage regulator coupled based on power frequency transformer coupling
08/15/2012CN102638174A Isolated constant amplitude vector alternating current voltage regulator of power frequency transformer
08/15/2012CN102638173A Isolated constant amplitude vector alternating current voltage regulator
08/15/2012CN102638172A Power converter with common mode voltage reduction
08/15/2012CN102638171A Non-isolated constant amplitude vector alternating current voltage regulator
08/15/2012CN102638170A Constant amplitude vector alternating current voltage regulating method
08/15/2012CN102638164A High boost circuit, solar inverter and solar cell system
08/15/2012CN101917126B Voltage-equalizing and power-equalizing control method for multi-module cascade solid-state transformer
08/15/2012CN101902130B Variable-frequency power transmission and distribution system
08/15/2012CN101652919B Matrix converter space vector modulation method
08/15/2012CN101427458B Method and device for controlling tri-phase motor current by tri-phase controller
08/14/2012US8243482 Control device for matrix converter
08/14/2012US8243481 Power transformer and power converter incorporating same
08/09/2012WO2012106549A2 Magnetic power storage system
08/09/2012WO2012066283A3 Improved voltage regulation apparatus
08/09/2012WO2011018542A3 Method for controlling an energy conversion system
08/09/2012US20120201056 Power converter with common mode voltage reduction
08/09/2012DE19913941B4 Steuergerät zur variablen Steuerung der Drehzahl eines Asynchronmotors Control unit for variably controlling the speed of an induction motor
08/09/2012DE102011010388A1 Stufenschalter Tap changer
08/09/2012CA2825987A1 Tap changer
08/08/2012CN202374186U Multi-module parallel power supply device based on cooperative control
08/08/2012CN202374184U Medium-voltage water cooling frequency converter
08/08/2012CN202374183U Electronic alternating-current instantaneous constant-current source
08/08/2012CN101860232B Resonant type pre-charging circuit for high-voltage frequency converter and control method thereof
08/08/2012CN101592970B AC voltage stabilizer circuit and three-phase AC voltage stabilizer
08/08/2012CN101577497B Cycloconverter generator
08/08/2012CN101478245B Z source soft switch power factor correcting full bridge converter
08/07/2012US8238131 Method of changing an operation mode of a frequency converter based on temperature conditions, and a frequency converter having a changeable mode of operation based on temperature conditions
08/02/2012WO2012076015A3 A method of operating a wind turbine as well as a system suitable therefore
08/02/2012WO2011084227A3 Control of four-leg transformerless uninterruptible power supply
08/02/2012DE102011000459A1 Verfahren zur Lieferung von Blindstrom mit einem Umrichter sowie Umrichteranordnung und Energieversorgungsanlage A method of providing reactive current with an inverter and converter arrangement and power supply system
08/01/2012EP2482437A2 Common mode choke with current sensor in an electric drive
08/01/2012CN202364132U Multifunctional high-power power-electronic converter
08/01/2012CN202364131U Variable frequency power source for giant transistor
08/01/2012CN202364130U Frequency conversion power supply device of controllable rectification unit
08/01/2012CN202364129U High-voltage variable-frequency power supply device
08/01/2012CN202364128U Large-current generator
08/01/2012CN202364127U Quick-control power supply system based on H-bridge cascading of IPM module
08/01/2012CN202364126U Three-phase power supply device
08/01/2012CN102624249A Compound control method of three-phase to two-phase orthogonal inverter power supply with reactive compensation function
08/01/2012CN102624248A UPS (Uninterrupted Power Supply) based on self-coupling phase-shifting transformer and double six-pulse wave rectifiers
08/01/2012CN102624247A Voltage stabilizing power supply device for spray valve plate of color sorting machine
08/01/2012CN102624102A Power supplying circuit and power supplying method for chain-type SVG (static var generator) modules
08/01/2012CN101976958B High-efficiency power regulating device based on power factor correction
07/2012
07/31/2012US8233296 Front-end circuit of power converter
07/31/2012US8232780 Power factor correction converter
07/27/2012CA2765814A1 Hybrid inverter generator
07/26/2012WO2012099551A1 Power-level waveform generation method
07/26/2012WO2012097529A1 Fully controlled rectifier device
07/26/2012US20120188803 Converter with reactive power compensation
07/25/2012EP2479882A2 Apparatus for transferring electric power between an AC network and a multiphase electric machine
07/25/2012EP2478630A1 Inverter with commutation circuit
07/25/2012EP1961278B1 A universal dimmer
07/25/2012CN202353478U Power supply device of superconducting coil
07/25/2012CN202353477U Three-phase coherent system for power frequency communication
07/25/2012CN202353476U Circuit structure of master control system for high-voltage frequency converter SVF900
07/25/2012CN202353475U Large-screen system power supply adapter
07/25/2012CN1870406B Secondary side controller and method therefor
07/25/2012CN102611332A Power supply assembly for rectification
07/25/2012CN102611326A Device for minimizing capacity of direct-current bus capacitor of high-voltage frequency converter and control method thereof
07/25/2012CN102611325A Inverter circuit load matching method based on high-level resonance technique
07/25/2012CN102611324A Device for controlling unstable power distribution system
07/25/2012CN102611323A Main circuit of contactless compensation type voltage stabilizer
07/25/2012CN102611322A Secondary power system and method for suppressing voltage transient in same
07/25/2012CN102611321A Intelligent full digitalization voltage stabilizer
07/25/2012CN102611320A Apparatus for transferring electric power
07/25/2012CN102611105A Large-area illumination electric distribution method and induction electric taking units of large-area illumination electric distribution method
07/25/2012CN101951162B Pulse width control method of modular multilevel converter
07/25/2012CN101826801B Space vector modulating method of three-phase matrix converter
07/25/2012CN101641859B Power supply circuit
07/25/2012CN101197552B Motor power device and a motor including the same
07/24/2012US8228698 Frequency converter voltage pulse shaping device and method
07/19/2012US20120182770 Power converter
07/19/2012DE102011002657A1 Verfahren zum Betreiben eines Umrichters einer Anordnung zur Erzeugung elektrischer Energie A method of operating an inverter of an arrangement for generating electrical energy
07/18/2012EP2477321A2 Method for operating a converter of an assembly for creating electrical energy
07/18/2012EP2476193A1 Fault current limitation in dc power transmission systems
07/18/2012CN202340192U 带有监测功能的变频电源 Frequency power with monitoring function
07/18/2012CN102595689A Electric flush-mounted installation device for brightness control in an illumination device
07/18/2012CN102594409A Shared line power supply and information transmission device
07/18/2012CN102594161A Two-phase variable frequency power source and output method thereof
07/18/2012CN102594160A Diode clamped three-level high-voltage matrix converter and modulation method thereof
07/18/2012CN102594159A Intermediate-voltage concatenated frequency converter, pre-charging method and system
07/18/2012CN102594158A System and method for reducing standby power consumption
07/18/2012CN102594157A Signal acquisition device and processing method for alternating current power current-sharing output system
07/18/2012CN102593822A Frequency converter dynamic voltage compensation device with low voltage ride through capability
07/18/2012CN101719729B Series connection apparatus for generators
07/18/2012CN101577498B Cycloconverter generator
07/18/2012CN101507102B Multi-function passive frequency mixer
07/18/2012CN101499727B Energy output controlling method and circuit
07/18/2012CN101114799B Power supply equipment using half-bridge type circuit
07/17/2012US8223519 Power control system
07/17/2012US8223511 Common mode voltage reduction apparatus and method for current source converter based drive
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