| 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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| 01/11/2012 | CN101677183B Self-adaptive master-slave positioning method for three-terminal differential protection |
| 01/11/2012 | CN101662161B UPS manager for video server on construction site |
| 01/11/2012 | CN101651336B Distribution protection method and distribution protection device |
| 01/11/2012 | CN101572165B Self-cooling high-frequency transformer group with temperature protection function |
| 01/11/2012 | CN101552453B Portable electronic device as well as protection circuit and protection method for intelligent battery thereof |
| 01/11/2012 | CN101494375B Pcm current differential protection relay |
| 01/11/2012 | CN101459343B Battery circuit control device, charging control apparatus and electronic device using same |
| 01/11/2012 | CN101420102B Semiconductor laser protection circuit, optical pick-up device and information recording playback device |
| 01/10/2012 | US8094425 Combination current sensor and relay |
| 01/10/2012 | US8094424 Operation detection devices having a sensor positioned to detect a transition event from an overcurrent protection component and related methods |
| 01/10/2012 | US8094423 Protection circuit for MOSFET |
| 01/10/2012 | US8093870 Generator apparatus with active load dump protection |
| 01/10/2012 | US8093851 Fan module and system |
| 01/10/2012 | CA2417698C Reception of protection commands in a remote tripping device |
| 01/10/2012 | CA2358978C Electrical distribution panel employing a surge protector |
| 01/05/2012 | WO2012001123A1 An hvdc switchyard and an hvdc switchyard system |
| 01/05/2012 | WO2012000545A1 An hvdc transmission system, an hvdc station and a method of operating an hvdc station |
| 01/05/2012 | US20120001579 Motor control apparatus, image forming apparatus and motor control method |
| 01/05/2012 | US20120001484 Automotive battery over-discharge prevention device |
| 01/05/2012 | DE19930402B9 Stromversorgungseinrichtung mit einem Akkumulator zur Speisung eines elektrischen Antriebs eines Lastträgers für Personen Power supply means including an accumulator for supplying an electrical drive of a load carrier for individuals |
| 01/05/2012 | DE102011014561A1 Verfahren und Vorrichtung zum Überwachen einer Elektromotor-Steuerschaltung Method and device for monitoring an electric motor control circuit |
| 01/04/2012 | EP2403126A2 Method for operating a wind turbine, method for determining the temperature of a permanent magnet and controller for a wind turbine |
| 01/04/2012 | EP2403091A2 Circuit breaker with overvoltage protection |
| 01/04/2012 | CN202103600U Inverter |
| 01/04/2012 | CN202103592U Rectification voltage regulator of motorcycle |
| 01/04/2012 | CN202103586U Pulse width modulation push-pull type negative output electrostatic spinning high-voltage complete machine power supply |
| 01/04/2012 | CN202103581U Four-bridge oscillation electronic transformer |
| 01/04/2012 | CN202103431U MCR (Magnetically Controlled Reactor)-type static var compensator (SVC) |
| 01/04/2012 | CN202103414U Short-circuit self-protection circuit of two-step probe insulated gate bipolar device |
| 01/04/2012 | CN202103413U Insulated gate bipolar device short circuit self protection circuit |
| 01/04/2012 | CN202103412U Dynamic self-adaptive protection device of power capacitor |
| 01/04/2012 | CN202103411U Electronic circuit breaker provided with two output ports and used for power supply |
| 01/04/2012 | CN202103410U Over-temperature protection circuit of switch power supply |
| 01/04/2012 | CN202103409U Over-current protector for three-phase electronic motor |
| 01/04/2012 | CN202103408U Motor overcurrent protector of motor-driven window regulator for automobile |
| 01/04/2012 | CN202103407U Over-current protection circuit for DC brush motor |
| 01/04/2012 | CN202103406U Protection and dynamic reactive compensation control device of reactor |
| 01/04/2012 | CN202103399U Pre-charging system of motor controller |
| 01/04/2012 | CN1722561B Battery protection circuit |
| 01/04/2012 | CN102307035A Novel management and control system of mining lithium iron phosphate direct current series excitation chopping speed regulation electric locomotive |
| 01/04/2012 | CN102306956A Feed line automation system |
| 01/04/2012 | CN102306944A Intelligent storage battery manager specially applied for hazardous geology monitoring apparatus |
| 01/04/2012 | CN102306936A Magnetron reactor capable of adjusting starting point |
| 01/04/2012 | CN102306931A Direct-current traction feed section region protection system and protection method |
| 01/04/2012 | CN102306930A Trip system of total residual current operated protector of distribution area and application method thereof |
| 01/04/2012 | CN102306929A Method and system for realizing fault self-healing |
| 01/04/2012 | CN102306928A Mining fiber longitudinal override trip protection device and method thereof |
| 01/04/2012 | CN102306927A Method for inverse-time-limit over-voltage protection of capacitor bank |
| 01/04/2012 | CN102306926A Fault protection method and device for power generating current transformer |
| 01/04/2012 | CN102306925A Digital thermal relay |
| 01/04/2012 | CN101813739B Adaptive three-phase symmetric fault phase selecting method for ultra high voltage transmission line |
| 01/04/2012 | CN101383498B Secondary break self-cast device for voltage mutual inductor |
| 01/03/2012 | US8089743 Voltage regulator having active foldback current limiting circuit |
| 01/03/2012 | US8089741 Over-voltage protection device and method for manufacturing thereof |
| 01/03/2012 | US8089237 Method for controlling an opening leaf of a vehicle with an anti-trap function |
| 01/03/2012 | CA2376906C Only picked up phases recloser control |
| 01/03/2012 | CA2333333C Improvements in electrical protection and control systems |
| 12/29/2011 | US20110317315 Driving device for semiconductor element |
| 12/29/2011 | US20110316460 Vehicle control system |
| 12/29/2011 | US20110316459 Motor controller |
| 12/29/2011 | US20110316355 Shockproof Electric Outlets |
| 12/29/2011 | DE102010023838B4 Hubladebühne und Verfahren zum Betreiben einer Steuereinrichtung einer Hubladebühne Loading tailgate and method for operating a control device of a lifting loading platform |
| 12/28/2011 | EP2399327A1 Electrical protection device and control method of the electrical protection device |
| 12/28/2011 | CN202095145U Intelligent charging-discharging protection solar body infrared induction lamp |
| 12/28/2011 | CN202094623U 一种智能检测型浪涌保护器 An intelligent detection type surge protector |
| 12/28/2011 | CN202094622U 一种带后备保护模块的浪涌保护器 Surge protector module with a back-up protection of |
| 12/28/2011 | CN202094621U 一种智能监控型浪涌保护器 An intelligent monitoring type surge protector |
| 12/28/2011 | CN202094617U 一种电弧光保护系统 An arc flash protection system |
| 12/28/2011 | CN202094616U 一种矿用高压真空配电装置的保护装置 A mine protection device voltage vacuum distribution equipment |
| 12/28/2011 | CN202094615U Integrated protective device used for pre-assembling transformer substation |
| 12/28/2011 | CN202094614U Igbt保护电路 Igbt protection circuit |
| 12/28/2011 | CN202094613U IGBT current foldback circuit |
| 12/28/2011 | CN202094612U Battery management system |
| 12/28/2011 | CN202094611U 一种开关电源的过压保护电路 An overvoltage protection circuit switching power supply |
| 12/28/2011 | CN202094610U 三相电机缺相保护电路和实现缺相保护的三相电机系统 Three-phase motor phase protection circuit protection and realization phase three-phase motor system |
| 12/28/2011 | CN202094609U 电动机缺相、过载保护的改良结构 Improved structure of the motor phase, overload protection |
| 12/28/2011 | CN202094608U 直流电机过流保护器 DC motor overcurrent protection device |
| 12/28/2011 | CN202094607U 低压电动机保护装置 Low-voltage motor protection devices |
| 12/28/2011 | CN202094606U 油泵专用电机保护装置 Pump for motor protection devices |
| 12/28/2011 | CN202094605U 电力变压器预励磁装置 Pre-excitation device power transformers |
| 12/28/2011 | CN202094604U 改进型变压器释压保护装置 Pressure relief devices improved transformer protection |
| 12/28/2011 | CN202094601U 适于设置及查询剩余电流动作值的漏电保护器 Suitable settings and check leakage protection residual current value |
| 12/28/2011 | CN202094600U 适于记录脱扣及合闸次数的漏电保护器 Adapted to record the trip and leakage protection closing times |
| 12/28/2011 | CN202094479U 一种绝缘水平动态在线综合检测控制的高压开关设备 An insulated horizontal dynamic line integrated measurement and control of high-voltage switchgear |
| 12/28/2011 | CN202094058U 断路器的欠压保护装置 Undervoltage protection circuit breaker |
| 12/28/2011 | CN202093153U 一种充电电池的过压检测和报警电路 A rechargeable battery overvoltage detection and alarm circuit |
| 12/28/2011 | CN102301562A 汽车便携式辅助电源装置 Car portable auxiliary power unit |
| 12/28/2011 | CN102301553A 在电池组运行的具有电动机的设备中用于过载探测的方法和装置 Method and apparatus for detecting an overload in the battery pack apparatus having the motor running in the |
| 12/28/2011 | CN102299612A 一种矿用防爆变频器 One kind of drive mine explosion |
| 12/28/2011 | CN102299536A 矿用防爆兼本安锂离子蓄电池电源的管理系统 Mine explosion and intrinsically safe power supply lithium-ion battery management system |
| 12/28/2011 | CN102299519A 交流电容器投切开关电路 AC capacitor switching switch circuit |
| 12/28/2011 | CN102299510A 绝缘式电路 Insulation type circuit |
| 12/28/2011 | CN102299509A 改进的多个电池单元串联的电池保护电路及系统 Battery protection circuit and system improvements plurality of battery cells connected in series |
| 12/28/2011 | CN102299508A 一种带双重过温保护电路的电源 A tape double over-temperature protection circuit power |
| 12/28/2011 | CN102299507A 用于半导体元件的驱动装置 Means for driving the semiconductor element |
| 12/28/2011 | CN102299506A 一种模块化多电平换流器的保护系统及其保护方法 A modular multi-level inverter protection system and protection methods |
| 12/28/2011 | CN102299505A 电机失控自动断电保护的方法及机构 Motor runaway automatic power protection methods and institutions |
| 12/28/2011 | CN102299504A 一种正反转切换运行异步电机的不平衡保护方法 One kind of reversing switch unbalance protection method to run asynchronous motors |
| 12/28/2011 | CN102299503A 一种水轮发电机进相深度预警方法 Phase one kind of depth hydro warning method |
| 12/28/2011 | CN102298086A 电动机电流检测用集成电路及其电流检测器或控制装置 Motor current detecting integrated circuit and a current detector or the control means |