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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12/01/2011 | US20110292695 Power converter system and method |
12/01/2011 | DE10103031B4 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 |
12/01/2011 | CA2800663A1 Electric energy conversion device |
11/30/2011 | EP2390997A2 Variable frequency drive and methods for filter capacitor fault detection |
11/30/2011 | CN202059370U 无电解电容的机电一体化调速电动机 No electrolytic capacitors mechatronic variable speed motor |
11/30/2011 | CN202059333U 一种变频器 One kind of drive |
11/30/2011 | CN202059175U 多功能试验电源装置 Multifunctional Test Device |
11/30/2011 | CN202058568U 电压转换装置及其组合 Voltage converting means, and combinations thereof |
11/30/2011 | CN202053010U 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 |
11/30/2011 | CN102265498A 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 |
11/30/2011 | CN102265497A 可变pfc和并网总线电压控制 Variable pfc and grid bus voltage control |
11/30/2011 | CN102263539A 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 |
11/30/2011 | CN102263520A 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 |
11/30/2011 | CN102263490A 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 |
11/30/2011 | CN102263430A 交流电机驱动与电池充电集成系统 AC motor with integrated battery charging system |
11/30/2011 | CN101635557B 逆变器式发电机 Inverter generator |
11/30/2011 | CN101512887B 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 |
11/30/2011 | CN101253676B 制动电路和电设备 Brake circuits and electrical equipment |
11/30/2011 | CN101179894B 换流器及背光模组的驱动装置 Swap drive inverter and backlight module |
11/28/2011 | CA2722335A1 Power supply device and method |
11/24/2011 | WO2011143910A1 Current-controlled phase-shift energy saving circuit |
11/24/2011 | US20110286580 High-voltage x-ray generator |
11/23/2011 | EP2388471A1 Sequence control circuit for switching devices with a device for distributing firing impulses |
11/23/2011 | EP2388236A1 Power supply with a first and a second supply |
11/23/2011 | CN202050252U Low-voltage ride-through topological structure for double-fed wind power converter |
11/23/2011 | CN202050131U Power socket with USB (universal serial bus) interface |
11/23/2011 | CN102257716A Matrix converter variable speed drive |
11/23/2011 | CN102257715A Variable speed device of the matrix converter type |
11/23/2011 | CN102255582A Bogie driving motor three-phase circuit |
11/23/2011 | CN102255549A Switching power supply application circuit |
11/23/2011 | CN102255519A Energy-saving power distribution device |
11/23/2011 | CN102255518A Frequency conversion method of non-ferrous metal electromagnetic stirrer and frequency conversion device for realizing frequency conversion method |
11/23/2011 | CN102255517A Shore power supply for ship |
11/23/2011 | CN102255516A High-voltage converter and fan and water pump application system thereof |
11/23/2011 | CN102255515A Hybrid power supply system for electrified railway |
11/23/2011 | CN102255514A Power supply with a first and a second supply |
11/23/2011 | CN101227140B Plasma power supply for low temperature plasma hydrogen peroxide disinfection sterilizing device |
11/22/2011 | US8065025 Configuration of a frequency converter |
11/17/2011 | WO2011141905A1 Ac-dc converter with unity power factor |
11/17/2011 | WO2011140597A1 Methods and apparatus for supplying three phase power |
11/17/2011 | US20110279983 Automated mechanical disconection of an electrical converter module in a frequency converter arrangement |
11/17/2011 | US20110278938 Ac battery employing magistor technology |
11/17/2011 | DE10324678B4 Dezentrales Antriebssystem Distributed drive system |
11/17/2011 | DE102010020740A1 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 |
11/16/2011 | EP2386137A1 Reconfigurable power converter module |
11/16/2011 | DE202011050949U1 Spannungs-/Strom-Transformator Voltage / current transformer |
11/16/2011 | CN202043048U N-phase bridge-type power rectified power source |
11/16/2011 | CN202043045U Intelligent debugging circuit for uninterrupted power supply (UPS) |
11/16/2011 | CN202043044U Non-conductor contact power transmission device |
11/16/2011 | CN202043043U Capacitor transformer |
11/16/2011 | CN102246403A Auxiliary power supply with bidirectional power supply |
11/16/2011 | CN102246373A Overload protection of a voltage reduction device |
11/16/2011 | CN102244478A Single-phase power supply method for wind/solar hybrid tractive power supply |
11/16/2011 | CN102244468A High-reliability medium voltage frequency converter adopting redundancy design |
11/16/2011 | CN102244467A Power conversion equipment and power conversion method |
11/16/2011 | CN102244466A Voltage sag generator |
11/16/2011 | CN102244382A Novel power unit for light DC power transmission equipment |
11/16/2011 | CN101552594B High-fidelity power amplifying circuit in power supply regenerator |
11/16/2011 | CN101253591B Load detector for an AC-AC power supply |
11/16/2011 | CN101064480B AC power source converting apparatus and method |
11/15/2011 | US8059433 Power circuit and liquid crystal display using same |
11/12/2011 | CA2739811A1 Automated mechanical disconnection of an electrical converter module in a frequency converter arrangement |
11/10/2011 | WO2011139269A1 Variable speed drive |
11/10/2011 | WO2011139227A1 Electronic voltage stability device in airflow cabinets and method for the same |
11/10/2011 | WO2011138110A1 Circuit and method for controlling a linear compressor |
11/10/2011 | WO2011058273A3 Multi-level, multi-voltage matrix converter circuit and method for implementing such a circuit |
11/10/2011 | CA2707429A1 Ac voltage regulator |
11/09/2011 | CN202034909U Power supply capable of converting high-voltage alternating current into direct current |
11/09/2011 | CN202034907U H bridge serial connection multilevel voltage sag generator based on IGBT |
11/09/2011 | CN202034906U Medical information technology (IT) power supply with continuous uninterrupted power supply function |
11/09/2011 | CN202028477U High-frequency and high-voltage power supply |
11/09/2011 | CN102237805A Portable medical high-frequency high-voltage generator of X-ray machine |
11/09/2011 | CN102237804A Charge-pump type driving power supply for magnetic latching relay |
11/09/2011 | CN102237803A High-voltage power supply unit |
11/09/2011 | CN101702583B Method for controlling direct-drive wind power generation convertor |
11/09/2011 | CN101640487B Ultrasonic power system based on high frequency transformer feedback |
11/09/2011 | CN101617467B Apparatus and method for controlling the motor power |
11/08/2011 | US8054657 Static converter |
11/08/2011 | US8054011 Variable frequency transformer having multiple horizontal rotary transformers with common controls and voltage infrastructure and method |
11/08/2011 | US8053917 Variable-speed power generator and method of controlling the same |
11/03/2011 | WO2011135691A1 Control device for hybrid construction machine |
11/03/2011 | WO2011134057A1 Power converter for a power generator |
11/03/2011 | US20110267851 Converter circuit with adjustable dc bus voltage |
11/03/2011 | CA2796985A1 Power converter for a power generator |
11/02/2011 | EP2382641A1 Winding connection to supply three-phase power from a two-phase feeding and 2x3 distribution transformer |
11/02/2011 | CN202026245U Power supply device for plasma combustion system |
11/02/2011 | CN202026244U Stable power supply device with changeable voltage output |
11/02/2011 | CN202026243U Capacitor transformer |
11/02/2011 | CN102231603A Double-closed loop direct-current high-voltage generator |
11/02/2011 | CN102231531A Wind electric field electrical network voltage disturbance simulation generating device |
11/02/2011 | CA2750152A1 Omni-wave dc/ac transformer: hysteresis loop free, variable, lvdt, rvdt |
11/01/2011 | US8049444 Soft-start circuit |
10/27/2011 | US20110261597 Inverter type engine generator |
10/27/2011 | DE102010018588A1 Schalterfreie DIAC-Ersatzschaltung Switch Free DIAC equivalent circuit |
10/26/2011 | EP2381567A1 Bidirectional switch circuit and power converter provided with same |
10/26/2011 | CN202019308U Special frequency converters for roll cutting machine |
10/26/2011 | CN202019307U Special frequency converter for splint cutting machine |
10/26/2011 | CN202019306U Pre-charge circuit and high-voltage frequency converter comprising same |
10/26/2011 | CN202019305U High-frequency plasma load cleaning power supply device based on full bridge phase shift |
10/26/2011 | CN202019304U Three-phase large power frequency conversion power supply |