| Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726) |
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| 02/21/2012 | US8120300 Fault tolerant cooling in a redundant power system |
| 02/21/2012 | US8120298 Control unit for an electric motor, in particular for a fan motor |
| 02/16/2012 | WO2011151707A3 Arc flash detection apparatus and electrical system including the same |
| 02/16/2012 | US20120039100 Power conversion device, method of controlling power conversion device, and vehicle with the same mounted thereon |
| 02/16/2012 | US20120039010 Spark Gap Apparatus |
| 02/16/2012 | US20120039008 Over-voltage protection circuit |
| 02/16/2012 | US20120038300 Control device for ac rotating machine |
| 02/15/2012 | EP2418725A2 Battery system, vehicle, and battery mounted device |
| 02/15/2012 | EP2418724A2 Battery system, vehicle and battery mounted device |
| 02/15/2012 | EP2417684A1 Power flow control in a meshed hvdc power transmission network |
| 02/15/2012 | CN202145632U 2000a以上直流调速柜的供电和保护结构 Power supply and DC speed over protection structure 2000a cabinet |
| 02/15/2012 | CN202145577U Charging control logic protection circuit of pure electric vehicle |
| 02/15/2012 | CN202145569U 一种复合型监控式限压装置 A composite type monitor pressure limiting devices |
| 02/15/2012 | CN202145566U 一种电力保护装置 An electrical protection device |
| 02/15/2012 | CN202145565U 一种用于配网终端的模块化系统结构 The modular system architecture for a distribution network terminals |
| 02/15/2012 | CN202145564U 一种电池组主回路接口保护电路 A battery pack main circuit interface protection circuit |
| 02/15/2012 | CN202145563U 一种逆变器控制装置 An inverter control apparatus |
| 02/15/2012 | CN202145562U 一种电机综合保护装置 A motor integrated protection device |
| 02/15/2012 | CN202145561U 镁合金熔炉控制电柜超温保护装置 Magnesium alloy furnace control cabinet overtemperature protection device |
| 02/15/2012 | CN1992572B 低速光接口到2m传输线路的复用和保护切换的 方法与装置 Low-speed optical interface to the method of multiplexing and transmission line protection switching 2m and apparatus |
| 02/15/2012 | CN102355955A Monitoring method and monitoring device for an electrostatic coating plant |
| 02/15/2012 | CN102355177A Reactive circuits of electric fork truck AC servo control system |
| 02/15/2012 | CN102355154A Cascaded converter and protection method thereof |
| 02/15/2012 | CN102355129A Linear regulator with current limiting short circuit protection function |
| 02/15/2012 | CN102355026A Backup energy-storage power supply managing system of coal mine electronic device |
| 02/15/2012 | CN102354977A Feeder fault handling method |
| 02/15/2012 | CN102354962A Distance protection method making use of voltage distribution under distributed parameter model |
| 02/15/2012 | CN102354961A Configuration method of bus protection with voltage class of 35kV or less under complicate connection situation |
| 02/15/2012 | CN102354960A Mine high-voltage vacuum power distribution protecting apparatus and control method |
| 02/15/2012 | CN102354959A Overvoltage protection system of power device and method adopting overvoltage protection system |
| 02/15/2012 | CN102354958A Device and method for protecting power switching tube of inverter through software and hardware combination |
| 02/15/2012 | CN102354957A Battery pack fault communication and handling system and handling method |
| 02/15/2012 | CN102354956A Switch power controller and short-circuit protection method of current control end thereof |
| 02/15/2012 | CN102354955A Protection method of modular multi-level current converter |
| 02/15/2012 | CN102354954A Motor protecting and monitoring system |
| 02/15/2012 | CN102354953A Electric-cooker transformer relay protecting system and method |
| 02/15/2012 | CN102354952A Half-wave integral accumulated-type inverse time-delay over-excitation protecting method |
| 02/15/2012 | CN102352815A Wind generating set |
| 02/15/2012 | CN101501799B 在电力系统设备的控制单元中生成数据信号的信号生成单元和方法 Signal generating unit and a method for generating a data signal in the control unit of the power system equipment |
| 02/14/2012 | US8116044 Supercapacitor leak detection and management |
| 02/14/2012 | CA2333105C Fault data synchronization via peer-to-peer communications network |
| 02/14/2012 | CA2331565C Method and arrangement for determining state variables |
| 02/09/2012 | WO2012016939A1 Measuring system |
| 02/09/2012 | US20120033465 Thermal shutdown unit, switch controller including the same, and control method of thermal shutdown protection operation |
| 02/09/2012 | US20120033334 Power circuit, and computer-readable recording medium storing a control program for power circuits |
| 02/09/2012 | US20120032625 Electric power conversion apparatus |
| 02/09/2012 | US20120032533 Electric motor car control system |
| 02/09/2012 | DE102010047077B3 Device for safe disconnection of photovoltaic plant, has pressure chamber opened under certain environmental conditions in building such that pressure value of print medium is fallen below and short circuit switch is changed into idle state |
| 02/08/2012 | EP2416485A2 Inverter device |
| 02/08/2012 | EP2416405A1 Battery pack with cell-level fusing and method of using same |
| 02/08/2012 | EP2416167A1 Improved turn-to-turn short circuit detection device of transformer via differential voltage |
| 02/08/2012 | EP2415138A1 Electric breaker circuit and method of operating an electric breaker circuit |
| 02/08/2012 | CN202143257U Control system of solar energy LED lamp |
| 02/08/2012 | CN202142995U 数字功率模块 Digital Power Modules |
| 02/08/2012 | CN202142986U 节能电子变压器 Energy-saving electronic transformer |
| 02/08/2012 | CN202142910U Intelligent protective device for electric appliance in switchgear room |
| 02/08/2012 | CN202142905U 一种闭锁电源备自投误投的逻辑装置 A self-locking power standby logic means mistakenly cast vote |
| 02/08/2012 | CN202142901U 一种用于锂电池组的电路结构 A circuit structure for lithium batteries |
| 02/08/2012 | CN202142855U 一种动力节电器 A power saver |
| 02/08/2012 | CN202142845U 短路越级跳闸闭锁装置 Shorted grade trip latching device |
| 02/08/2012 | CN202142844U 一种高压开关柜用自动断电保护装置 One kind of high voltage switchgear with automatic power-off protection device |
| 02/08/2012 | CN202142843U 一种双节电池电量的计量及保护电路 One kind of double battery power metering and protection circuits |
| 02/08/2012 | CN202142842U 一种多节电池监控电路 A multi-cell battery monitoring circuit |
| 02/08/2012 | CN202142841U 一种开关电源输出短路保护电路 A switching power supply output short circuit protection |
| 02/08/2012 | CN202142840U 一种箱式变电站智能保护测控装置 One kind of box-type substation intelligent protection and control devices |
| 02/08/2012 | CN102347685A Three level power converting device |
| 02/08/2012 | CN102347608A Thyristor switch protection-based transformer neutral point blocking system and working method thereof |
| 02/08/2012 | CN102347604A Accurate variable reactor switching method for eliminating single-phase earth fault of ship shore power system |
| 02/08/2012 | CN102347603A Drive and protection circuit for IGBT (Insulated Gate Bipolar Transistor) |
| 02/08/2012 | CN102347602A IGBT protection circuit |
| 02/08/2012 | CN102347601A Power protection circuit |
| 02/08/2012 | CN102347600A Generator control equipment |
| 02/08/2012 | CN102347599A Protecting method for internal short-circuit current of generator |
| 02/08/2012 | CN101752835B 变压器复合电流差动保护方法和复合电流差动继电器 Transformers composite current differential protection method and composite current differential relay |
| 02/08/2012 | CN101674025B 一种市电和电池双路供电的多路输出辅助开关电源 One kind of dual mains and battery-powered multi-output switching power supplies auxiliary |
| 02/08/2012 | CN101534091B 矿用隔爆兼本质安全型变频调速装置 Mine explosion-proof and intrinsically safe frequency control devices |
| 02/08/2012 | CN101166388B 背光灯管短路和开路保护电路 Backlight lamp short circuit and open-circuit protection circuit |
| 02/07/2012 | US8111530 3-level power converter |
| 02/07/2012 | US8111492 Apparatus, system, and method for creating one or more slow-speed communications channels utilizing a real-time communication channel |
| 02/07/2012 | US8111490 Method and device for protection of a switching device controlled by a control unit |
| 02/07/2012 | CA2365737C Loop restoration scheme for distribution feeders |
| 02/06/2012 | CA2748113A1 Motor control center and bus assembly therefor |
| 02/02/2012 | WO2012013039A1 Cycle-by-cycle current limiting protection device and the method thereof for vienna rectifier |
| 02/02/2012 | US20120026630 Method and Apparatus For Use In Monitoring Operation of Electrical Switchgear |
| 02/02/2012 | DE102010018522A1 Surveillance, safety and switching system for photovoltaic unit in buildings, has solar module unit or electronic board mounted directly to solar modules, where solar module is bypassed during failure or fire condition |
| 02/02/2012 | DE102008040515B4 Verfahren zum Betreiben eines Treibers für einen leistungselektronischen Schalter A method of operating a driver for a power-electronic switch |
| 02/01/2012 | EP2412074A2 Systems, devices and methods for predicting power electronics failure |
| 02/01/2012 | EP2215709B1 Device arranged for converting an ac input voltage to a dc output voltage |
| 02/01/2012 | EP1602115B1 Method and system for sensing switch position to prevent inadvertent startup of a motor |
| 02/01/2012 | CN202135095U 一种电动叉车交流伺服控制系统的电流反馈电路 An electric forklift AC servo control system current feedback circuit |
| 02/01/2012 | CN202135091U 一种电磁启动器 An electromagnetic launcher |
| 02/01/2012 | CN202134959U Intelligent protective device for substation in rural power network |
| 02/01/2012 | CN202134943U 用于电动汽车交流充电桩的低压保护测控单元 Low Voltage Protection and Control unit for AC charging of electric vehicles |
| 02/01/2012 | CN202134918U Thyristor switch being able of recording power capacitor switching times |
| 02/01/2012 | CN202134906U 一种智能监控型浪涌保护器 An intelligent monitoring type surge protector |
| 02/01/2012 | CN202134905U 一种带后备保护装置的浪涌保护器 A surge protector with a backup protection device |
| 02/01/2012 | CN202134903U Electrical line short circuit current limit and protection device |
| 02/01/2012 | CN202134902U 设有短路保护模块的开关电源 With short circuit protection switching power supply module |
| 02/01/2012 | CN202134901U 一种提高本安开关电源性能的装置 An intrinsically safe device to improve the performance of the switching power supply |
| 02/01/2012 | CN202134900U 三相交流电机缺相保护装置 Three-phase AC motor phase protection device |