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)
09/2011
09/14/2011	CN102185489A Three-phase low voltage distribution voltage-reducing device
09/14/2011	CN102185488A Method for realizing load unbalance rate of less than or equal to 30 percent of reduction furnace rectifier transformer
09/14/2011	CN102185487A Mixed cascading type multilevel stored energy charging-discharging and voltage-equalizing circuit
09/14/2011	CN101662214B High voltage isolating switch power and a plurality of output isolated switch power systems
09/14/2011	CN101546896B Ice melting method
09/09/2011	WO2011086108A4 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
09/08/2011	US20110215641 Management of an electric power generation and storage system
09/07/2011	EP2364058A1 Power supply assembly
09/07/2011	CN201966812U 基于新型预充电电路的变频器 The new inverter-based precharge circuit
09/07/2011	CN201966811U 一种用于配网的降压型电力电子变压器 A distribution network buck power electronic transformer
09/07/2011	CN201966810U 一种幅频可调的电压转换电路 One kind of adjustable amplitude and frequency of the voltage conversion circuit
09/07/2011	CN201966809U 一种基于简易pfc的电力电子变压器 Based on simple pfc power electronic transformer
09/07/2011	CN201966808U 一种三档电压输出的变频电源 A variable frequency power supply voltage output stalls
09/07/2011	CN201966450U 一种新型插头 A new plug
09/07/2011	CN102176641A Realizing method and circuit structure of LC (Inductor-Capacitor) combined transformer and effective utilization of iron core of LC combined transformer
09/07/2011	CN101677217B Direct current load driving circuit
09/07/2011	CN101577499B Cycloconverter generator
09/07/2011	CN101505049B Protection apparatus and detection method for AC circuit open loop
09/07/2011	CN101247052B Electric power for AC-DC-AC station used for electrified railroad
09/07/2011	CN101160708B Matrix converter apparatus
09/06/2011	US8014179 Multi output voltage regulation of a synchronous generator in a power system
09/01/2011	WO2011104285A1 Method for compensating for fluctuations in the power output and a corresponding converter system and wind energy installation
09/01/2011	US20110211374 Power supply device
08/2011
08/31/2011	EP2362533A1 Electricity supply assembly, in particular for supplying a reactor for producing polysilicon according to the Siemens-process
08/31/2011	EP1389946B1 Transformer-isolated alternating current power supply
08/31/2011	CN201956911U 一种开关电源模块 A switching power supply module
08/31/2011	CN201956910U 一种基于环形变压器的电梯控制电源装置 A toroidal transformer-based elevator control power supply unit
08/31/2011	CN201956909U 多功能电源转换器 Versatile power converter
08/31/2011	CN201956908U 一种变流器控制装置 A variable flow control device
08/31/2011	CN201950344U 一种电压型pwm半桥硬开关逆变式焊割机 A voltage-type pwm hard switching half-bridge inverter welding and cutting machine
08/31/2011	CN102170737A Drive circuit and lighting device using the same
08/31/2011	CN102170236A Power converter device and control method for the device
08/31/2011	CN102170235A Electronic AC (alternating current) voltage stabilizer
08/31/2011	CN102166969A Electrified railway in-phase power supply device and multi-target coordinated instantaneous current control method
08/31/2011	CN101640122B Separated assembled graphitized furnace commutator transformer of main commutator transformer
08/30/2011	US8009452 Multiple driver power supply
08/30/2011	US8009443 DC/DC converter and AC/DC converter
08/25/2011	WO2011100819A1 Dynamic application of cut-out pulses in alternating current power
08/25/2011	WO2011100817A1 Microprocessor controlled variation in cut-out pulse application in alternating current power
08/25/2011	US20110205766 Power Conditioning Unit
08/25/2011	DE102010009056A1 Verfahren zum Ausgleichen von Schwankungen der Wirkleistungsabgabe sowie entsprechendes Umrichtersystem und Windenergieanlage Method of compensating for variations in the active power output and corresponding inverter system and wind turbine
08/25/2011	CA2793700A1 Dynamic application of cut-out pulses in alternating current power
08/24/2011	EP2360827A2 Method for controlling a matrix converter and matrix converter suitable for implementing such a method
08/24/2011	EP2359461A1 Variable pfc and grid-tied bus voltage control
08/24/2011	CN201947185U 一种多电平变换器死区零电流钳位补偿装置 A multi-level converter dead zone compensation means zero current clamp
08/24/2011	CN201946996U Double feed wind turbine generator system
08/24/2011	CN201946995U Full-power wind generating set
08/24/2011	CN102165679A Power supply with accurate energy measurement
08/24/2011	CN102165678A Modular multi-pulse transformer rectifier for use in multi-level power converter
08/24/2011	CN102163927A Multi-level converter employing multi-winding intermediate-high frequency transformer
08/24/2011	CN102163926A High-power converter based on parallel IGBT (Insulated Gate Bipolar Transistor) modules
08/24/2011	CN102163925A Control apparatus for matrix converter
08/24/2011	CN102163924A Current type impedance source AC/AC (alternating current/alternating current) frequency converter and control method of control loop thereof
08/24/2011	CN101630898B Circuit for regulating and controlling output power of power supply
08/23/2011	US8004862 Offline synchronous rectifying circuit with current transformer for soft switching power converters
08/23/2011	CA2732055A1 Power supply arrangement, in particular for supplying power to a reactor for producing polysilicon
08/18/2011	WO2011097852A1 Energy supply system and method of electronic high voltage power mutual-inductor
08/18/2011	US20110199032 Control apparatus for matrix converter
08/18/2011	DE102004023299B4 Steuerverfahren und Schaltungsanordnung für einen Gleichrichter Control method and circuit arrangement for a rectifier
08/17/2011	EP2356728A1 Overload protection of a voltage reduction device
08/17/2011	CN201937482U 一种多路输出变频电源 A multi-frequency power output
08/17/2011	CN201937481U 一种三相全控整流装置 A three-phase full-controlled rectifier device
08/17/2011	CN201937480U 一种单相全控整流限流装置 A single-phase full-controlled rectifier current limiting device
08/17/2011	CN201937479U 一种自体发光布电源装置 A self-luminous fabric supply unit
08/17/2011	CN201937478U 一种四象限变频器 A four-quadrant converter
08/17/2011	CN102160274A Power converter, control method thereof and direct matrix converter
08/17/2011	CN102160269A Systems, devices and methods for managing reactive power
08/17/2011	CN102160251A Power supply arrangement for direct electrical heating of a pipeline system
08/17/2011	CN102158104A Voltage and current regulator
08/17/2011	CN102158101A H-bridge cascaded multilevel voltage sag generator based on insulated gate bipolar transistor (IGBT)
08/17/2011	CN102158100A Triphase variable-frequency power supply with high power and operating method thereof
08/17/2011	CN102158099A Remote control constant current source with phase selection connection function and control method
08/17/2011	CN102158098A Phase synchronous power controller and power supply
08/17/2011	CN102158097A Energy feedback type power unit cascaded high voltage frequency converter
08/17/2011	CN102158072A Power inverter of parallel-connected electric bridge type impedance network
08/17/2011	CN102158071A Series-connected bridge-type impedance network power converter
08/17/2011	CN102157973A High-power induction charging converter of electric vehicle and control method thereof
08/17/2011	CN102157958A Wind generating unit using multiple-winding generator
08/17/2011	CN102157957A Energy-saving feedback load system based on UPS (uninterrupted power supply) topology and control method thereof
08/17/2011	CN102157340A Explosionproof high-frequency electrodeless lamp
08/17/2011	CN102157339A Electromagnetic induction type high-frequency electrodeless lamp
08/17/2011	CN102156267A Experimental device for high-power photovoltaic grid-connected inverter
08/17/2011	CN101064478B Method of determination of a distribution of energy to a plurality of electrical loads and corresponding system
08/16/2011	US8000118 Method and system for delivering a controlled voltage
08/11/2011	WO2011097203A1 Photosensor circuits including a current amplifier
08/11/2011	WO2011095828A1 Control systems
08/11/2011	WO2011070481A3 Driver circuit for driving a load circuit
08/11/2011	US20110194324 Generation of High-Frequency, High-Power Electrical Signals From Low-Frequency, Low-Power Lattice Network Structures as Sources
08/11/2011	US20110194323 Method for operation of a converter circuit, as well as an apparatus for carrying out the method
08/11/2011	US20110194318 Electrical power conversion apparatus
08/10/2011	EP2355317A1 Current controller device and vector control method for controlling power conversion
08/10/2011	CN201928193U 高频电子变压器 High-frequency electronic transformer
08/10/2011	CN201928192U 一种单相交流调压电路 One kind of single-phase AC voltage regulator circuit
08/10/2011	CN102148574A Wireless control single phase power supply device
08/10/2011	CN101534063B Cascade connection polyphase converter
08/10/2011	CN101346877B Method for controlling a polyphase voltage inverter
08/10/2011	CN101316074B Back-to-back three-power level midpoint clamping current transformer of wind power generation system
08/09/2011	CA2539355C Method for operating a frequency converter of a generator
08/04/2011	WO2011092475A1 Voltage control apparatus
08/04/2011	US20110188272 Circuit for direct energy extraction from a charged-particle beam

1 ... 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 ... 131