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)
12/2011
12/01/2011US20110292695 Power converter system and method
12/01/2011DE10103031B4 Stromrichterschaltung mit verteilten Energiespeichern und Verfahren zur Steuerung einer derartigen Stromrichterschaltung Converter circuit with distributed energy stores and method for controlling such a converter circuit
12/01/2011CA2800663A1 Electric energy conversion device
11/2011
11/30/2011EP2390997A2 Variable frequency drive and methods for filter capacitor fault detection
11/30/2011CN202059370U 无电解电容的机电一体化调速电动机 No electrolytic capacitors mechatronic variable speed motor
11/30/2011CN202059333U 一种变频器 One kind of drive
11/30/2011CN202059175U 多功能试验电源装置 Multifunctional Test Device
11/30/2011CN202058568U 电压转换装置及其组合 Voltage converting means, and combinations thereof
11/30/2011CN202053010U 一种igbt数字式多功能气保弧焊软开关逆变电源 Igbt one kind of digital multi-function MIG welding soft switching inverter
11/30/2011CN102265498A 用于从带电粒子束中直接提取能量的电路 For extracting a charged particle beam energy directly from the circuit
11/30/2011CN102265497A 可变pfc和并网总线电压控制 Variable pfc and grid bus voltage control
11/30/2011CN102263539A 用于滤波电容器故障检测的可变频率驱动器和方法 Variable frequency drives and methods for fault detection filter capacitor
11/30/2011CN102263520A 直流电压转换成交流电压的电路、方法和变换器 DC voltage into an AC voltage circuit, and the inverter method
11/30/2011CN102263490A 高压变频器功率单元驱动脉冲传输及通信系统 Voltage inverter power unit driving pulse transmission and communication systems
11/30/2011CN102263430A 交流电机驱动与电池充电集成系统 AC motor with integrated battery charging system
11/30/2011CN101635557B 逆变器式发电机 Inverter generator
11/30/2011CN101512887B 用于减少三相异步电动机的负载电流中的直流分量的影响的方法和设备 Method and apparatus for reducing the impact of the three-phase asynchronous motor load current of the DC component of the
11/30/2011CN101253676B 制动电路和电设备 Brake circuits and electrical equipment
11/30/2011CN101179894B 换流器及背光模组的驱动装置 Swap drive inverter and backlight module
11/28/2011CA2722335A1 Power supply device and method
11/24/2011WO2011143910A1 Current-controlled phase-shift energy saving circuit
11/24/2011US20110286580 High-voltage x-ray generator
11/23/2011EP2388471A1 Sequence control circuit for switching devices with a device for distributing firing impulses
11/23/2011EP2388236A1 Power supply with a first and a second supply
11/23/2011CN202050252U Low-voltage ride-through topological structure for double-fed wind power converter
11/23/2011CN202050131U Power socket with USB (universal serial bus) interface
11/23/2011CN102257716A Matrix converter variable speed drive
11/23/2011CN102257715A Variable speed device of the matrix converter type
11/23/2011CN102255582A Bogie driving motor three-phase circuit
11/23/2011CN102255549A Switching power supply application circuit
11/23/2011CN102255519A Energy-saving power distribution device
11/23/2011CN102255518A Frequency conversion method of non-ferrous metal electromagnetic stirrer and frequency conversion device for realizing frequency conversion method
11/23/2011CN102255517A Shore power supply for ship
11/23/2011CN102255516A High-voltage converter and fan and water pump application system thereof
11/23/2011CN102255515A Hybrid power supply system for electrified railway
11/23/2011CN102255514A Power supply with a first and a second supply
11/23/2011CN101227140B Plasma power supply for low temperature plasma hydrogen peroxide disinfection sterilizing device
11/22/2011US8065025 Configuration of a frequency converter
11/17/2011WO2011141905A1 Ac-dc converter with unity power factor
11/17/2011WO2011140597A1 Methods and apparatus for supplying three phase power
11/17/2011US20110279983 Automated mechanical disconection of an electrical converter module in a frequency converter arrangement
11/17/2011US20110278938 Ac battery employing magistor technology
11/17/2011DE10324678B4 Dezentrales Antriebssystem Distributed drive system
11/17/2011DE102010020740A1 Vorrichtung und Verfahren zum Anlegen einer Spannung an eine Vielzahl von Siliziumstäben in einem CVD-Reaktor Apparatus and method for applying a voltage to a plurality of silicon rods in a CVD reactor
11/16/2011EP2386137A1 Reconfigurable power converter module
11/16/2011DE202011050949U1 Spannungs-/Strom-Transformator Voltage / current transformer
11/16/2011CN202043048U N-phase bridge-type power rectified power source
11/16/2011CN202043045U Intelligent debugging circuit for uninterrupted power supply (UPS)
11/16/2011CN202043044U Non-conductor contact power transmission device
11/16/2011CN202043043U Capacitor transformer
11/16/2011CN102246403A Auxiliary power supply with bidirectional power supply
11/16/2011CN102246373A Overload protection of a voltage reduction device
11/16/2011CN102244478A Single-phase power supply method for wind/solar hybrid tractive power supply
11/16/2011CN102244468A High-reliability medium voltage frequency converter adopting redundancy design
11/16/2011CN102244467A Power conversion equipment and power conversion method
11/16/2011CN102244466A Voltage sag generator
11/16/2011CN102244382A Novel power unit for light DC power transmission equipment
11/16/2011CN101552594B High-fidelity power amplifying circuit in power supply regenerator
11/16/2011CN101253591B Load detector for an AC-AC power supply
11/16/2011CN101064480B AC power source converting apparatus and method
11/15/2011US8059433 Power circuit and liquid crystal display using same
11/12/2011CA2739811A1 Automated mechanical disconnection of an electrical converter module in a frequency converter arrangement
11/10/2011WO2011139269A1 Variable speed drive
11/10/2011WO2011139227A1 Electronic voltage stability device in airflow cabinets and method for the same
11/10/2011WO2011138110A1 Circuit and method for controlling a linear compressor
11/10/2011WO2011058273A3 Multi-level, multi-voltage matrix converter circuit and method for implementing such a circuit
11/10/2011CA2707429A1 Ac voltage regulator
11/09/2011CN202034909U Power supply capable of converting high-voltage alternating current into direct current
11/09/2011CN202034907U H bridge serial connection multilevel voltage sag generator based on IGBT
11/09/2011CN202034906U Medical information technology (IT) power supply with continuous uninterrupted power supply function
11/09/2011CN202028477U High-frequency and high-voltage power supply
11/09/2011CN102237805A Portable medical high-frequency high-voltage generator of X-ray machine
11/09/2011CN102237804A Charge-pump type driving power supply for magnetic latching relay
11/09/2011CN102237803A High-voltage power supply unit
11/09/2011CN101702583B Method for controlling direct-drive wind power generation convertor
11/09/2011CN101640487B Ultrasonic power system based on high frequency transformer feedback
11/09/2011CN101617467B Apparatus and method for controlling the motor power
11/08/2011US8054657 Static converter
11/08/2011US8054011 Variable frequency transformer having multiple horizontal rotary transformers with common controls and voltage infrastructure and method
11/08/2011US8053917 Variable-speed power generator and method of controlling the same
11/03/2011WO2011135691A1 Control device for hybrid construction machine
11/03/2011WO2011134057A1 Power converter for a power generator
11/03/2011US20110267851 Converter circuit with adjustable dc bus voltage
11/03/2011CA2796985A1 Power converter for a power generator
11/02/2011EP2382641A1 Winding connection to supply three-phase power from a two-phase feeding and 2x3 distribution transformer
11/02/2011CN202026245U Power supply device for plasma combustion system
11/02/2011CN202026244U Stable power supply device with changeable voltage output
11/02/2011CN202026243U Capacitor transformer
11/02/2011CN102231603A Double-closed loop direct-current high-voltage generator
11/02/2011CN102231531A Wind electric field electrical network voltage disturbance simulation generating device
11/02/2011CA2750152A1 Omni-wave dc/ac transformer: hysteresis loop free, variable, lvdt, rvdt
11/01/2011US8049444 Soft-start circuit
10/2011
10/27/2011US20110261597 Inverter type engine generator
10/27/2011DE102010018588A1 Schalterfreie DIAC-Ersatzschaltung Switch Free DIAC equivalent circuit
10/26/2011EP2381567A1 Bidirectional switch circuit and power converter provided with same
10/26/2011CN202019308U Special frequency converters for roll cutting machine
10/26/2011CN202019307U Special frequency converter for splint cutting machine
10/26/2011CN202019306U Pre-charge circuit and high-voltage frequency converter comprising same
10/26/2011CN202019305U High-frequency plasma load cleaning power supply device based on full bridge phase shift
10/26/2011CN202019304U Three-phase large power frequency conversion power supply
1 ... 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 ... 131