| Patents for H02H 3 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection (33,031) |
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| 02/15/2012 | EP2417468A1 Method and device to identify, record and store traveling wave heads, in electric power systems |
| 02/15/2012 | CN202145560U 立式减速器缺油监控装置 Vertical reducer in oil monitoring device |
| 02/15/2012 | CN202145517U 一种漏电保护插头 One kind of leakage protection plugs |
| 02/15/2012 | CN202144621U 一种具有自动保护装置的马桶 An automatic protection device having a toilet |
| 02/15/2012 | CN102356363A Method and apparatus for controlling distribution of power |
| 02/15/2012 | CN102355181A Double-channel redundant brushless direct current motor driver and relay protection method thereof |
| 02/15/2012 | CN102355026A Backup energy-storage power supply managing system of coal mine electronic device |
| 02/15/2012 | CN102354958A Device and method for protecting power switching tube of inverter through software and hardware combination |
| 02/15/2012 | CN102354955A Protection method of modular multi-level current converter |
| 02/15/2012 | CN102354950A Method and device for current compensation to current transformer winding of leakage protection device |
| 02/15/2012 | CN102354949A Leakage protecting device |
| 02/15/2012 | CN102354948A Leakage protecting apparatus |
| 02/15/2012 | CN102354947A Leakage protection device with protection function in case of live grounding wire |
| 02/15/2012 | CN102354946A Intelligent leakage protection switch |
| 02/15/2012 | CN102354945A Double-end grounding structure of high-voltage cable shielding layers |
| 02/15/2012 | CN102354944A Lightning protection module and alarm method thereof |
| 02/15/2012 | CN102354943A Work method of electronic release |
| 02/15/2012 | CN102354869A Electricity leakage protection plug with alarm device |
| 02/15/2012 | CN102354868A Electric leakage protection plug |
| 02/15/2012 | CN102354867A Electric leakage protection plug |
| 02/15/2012 | CN102354866A Electricity leakage protection plug |
| 02/15/2012 | CN102354865A Electric leakage protection plug |
| 02/15/2012 | CN102354863A Electricity leakage protection plug |
| 02/15/2012 | CN102354638A Dual-power automatic transfer switch and overload and short-circuit protection method thereof |
| 02/14/2012 | US8116919 Circuit breaker configuration |
| 02/14/2012 | US8116057 Data port transient protection apparatus and methods |
| 02/14/2012 | US8116056 Low voltage startup timer for a microcontroller-based circuit breaker |
| 02/14/2012 | US8116054 Universal rating plug for electronic trip unit |
| 02/14/2012 | US8116053 Isolating device for a power semiconductor and method for its operation, power module and system installation |
| 02/14/2012 | US8116052 Power supply control circuit including overvoltage protection circuit |
| 02/14/2012 | US8116051 Power supply control circuit |
| 02/14/2012 | US8116049 Transient voltage detection circuit |
| 02/14/2012 | US8116048 ESD protection for differential output pairs |
| 02/14/2012 | US8116047 Electrostatic discharge protective circuit having rise time detector and discharge sustaining circuitry |
| 02/09/2012 | WO2012018600A2 Controller circuit including a switch mode power converter and automatic recloser using the same |
| 02/09/2012 | WO2012018432A1 Circuit breaker |
| 02/09/2012 | WO2012017015A2 Method and device for parasitic current detection |
| 02/09/2012 | US20120035824 Abnormality detection device for detection circuit and electric circuit, and detection system and electronic system which uses abnormality detection device |
| 02/09/2012 | US20120033338 Monitoring device for an electrical power source and load |
| 02/09/2012 | US20120032813 GFCI with Overcurrent Protection and End-of-Life Warning and Tripping Functions |
| 02/09/2012 | DE102005040072B9 Vorrichtung zum verpolungssicheren Versorgen einer elektronischen Komponente mit einer Zwischenspannung aus einer Versorgungsspannung Means for supplying a polarized electronic component with an intermediate voltage from a supply voltage |
| 02/08/2012 | EP2415138A1 Electric breaker circuit and method of operating an electric breaker circuit |
| 02/08/2012 | CN202142845U 短路越级跳闸闭锁装置 Shorted grade trip latching device |
| 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 | CN202142839U 一种限压式漏电保护开关 One kind of pressure limiting leakage protection switch |
| 02/08/2012 | CN202142838U 一种热电偶短路保护装置 One kind of short-circuit protection device thermocouple |
| 02/08/2012 | CN202142837U 一种abs电源 One kind of abs Power |
| 02/08/2012 | CN202142836U 过流信号检测电路 Overcurrent signal detection circuit |
| 02/08/2012 | CN202142835U 钳形电流表瞬间电流锁定装置 Instantaneous current clamp meter locking device |
| 02/08/2012 | CN202142737U 一种漏电保护插头 One kind of leakage protection plugs |
| 02/08/2012 | CN202142736U 一种漏电保护插头 One kind of leakage protection plugs |
| 02/08/2012 | CN202142735U 一种漏电保护插头 One kind of leakage protection plugs |
| 02/08/2012 | CN202142731U 一种多组受控插孔可独立控制的时间控制插座 A multi-group time-controlled jacks can be controlled independently of the control socket |
| 02/08/2012 | CN202142730U 一种时间控制插座 A time-controlled socket |
| 02/08/2012 | CN202142728U 一种利于外接负载在待机或关机时实现零功耗的节能插座 A conducive external load to achieve zero power consumption in standby or shutdown of energy-saving socket |
| 02/08/2012 | CN102347168A Low-voltage intelligent circuit breaker with plastic shell |
| 02/08/2012 | CN101453110B 数字保护控制装置 Digital protection and control devices |
| 02/07/2012 | US8111496 Earthing arrangement for a DC electrical system and a method of operating an earthing arrangement for a DC electrical system |
| 02/07/2012 | US8111495 Low forward voltage drop transient voltage suppressor and method of fabricating |
| 02/07/2012 | US8111494 Memristor-protection integrated circuit and method for protection of a memristor during switching |
| 02/07/2012 | US8111493 Current limit detector |
| 02/07/2012 | US8111490 Method and device for protection of a switching device controlled by a control unit |
| 02/07/2012 | US8111047 Sensor node voltage clamping circuit and method |
| 02/07/2012 | US8111041 Power transmission control device, power reception control device, non-contact power transmission system, power transmission device, power reception device, and electronic instrument |
| 02/07/2012 | CA2409145C Sensitive ground fault detection system for use in compensated electric power distribution networks |
| 02/07/2012 | CA2365737C Loop restoration scheme for distribution feeders |
| 02/02/2012 | WO2012014364A1 Charger for electric propulsion vehicles and leakage confirmation method applied to same |
| 02/02/2012 | WO2012013737A1 Circuit breaker and device for monitoring a circuit breaker |
| 02/02/2012 | US20120026639 Methods and systems for transient voltage protection |
| 02/02/2012 | US20120026638 Release for an electric switching arrangement |
| 02/02/2012 | US20120026634 Voltage detection circuit device |
| 02/02/2012 | US20120026633 Decreasing voltage detection with control signaling |
| 02/02/2012 | US20120026631 Photovoltaic array ground fault detection in an ungrounded solar electric power generating system and techniques to transition onto and off the utility grid |
| 02/02/2012 | US20120023994 Surge protector, an hvac unit including the surge protector and a method of testing electrical equipment |
| 02/02/2012 | DE102010033238A1 Leistungsschalter und Einrichtung zur Überwachung eines Leistungsschalters Power switch and means for monitoring a circuit breaker |
| 02/02/2012 | DE102010033047A1 Method for detecting fault in onboard network of motor car, involves measuring voltage and current level of components in onboard network and computing delivered and consumed power of each component to detect fault in network |
| 02/02/2012 | DE102010032948A1 Schutzschaltung Protection circuit |
| 02/02/2012 | DE10118144B4 Ansteuervorrichtung für eine elektrische Last Control device for an electrical load |
| 02/01/2012 | CN202135373U Circuit on-off device |
| 02/01/2012 | CN202135141U 有源设备与无源设备间的通讯电路及锁具 Communications circuits and locks the active device and passive devices between |
| 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 | CN202134903U Electrical line short circuit current limit and protection device |
| 02/01/2012 | CN202134892U 一种智能温度控制的干式变压器 An intelligent temperature-controlled dry-type transformers |
| 02/01/2012 | CN202134888U 热水器专用定时开关及漏电保护装置 Dedicated water heater timer switch and leakage protection device |
| 02/01/2012 | CN202134887U 三相功率无触点开关保护器 Non-contact switch three-phase power protection |
| 02/01/2012 | CN202134886U 剩余电流保护设备和具有剩余电流保护功能的设备 Residual current protection devices and devices with residual current protection function |
| 02/01/2012 | CN202134885U 一种高低压熔断器开路显示报警系统 A high-voltage fuses open alarm system |
| 02/01/2012 | CN102340246A Thick-film magnetic isolation direct current solid-state power controller |
| 02/01/2012 | CN102340131A Centrally controlled protection system having reduced energy let-through mode |
| 02/01/2012 | CN102340128A Power-dependant mains under-voltage protection |
| 02/01/2012 | CN102340125A Novel leakage detection protection circuit |
| 02/01/2012 | CN102340124A Electrical wiring protection device |
| 02/01/2012 | CN102340123A High-voltage equipment box of high-speed motor train unit |
| 02/01/2012 | CN102339585A Apparatus for driving light emitting device with over-current and over-voltage protection |
| 02/01/2012 | CN101752906B 高压开关智能化控制系统及其控制方法 High-voltage switchgear intelligent control system and control method |
| 02/01/2012 | CN101540249B 漏电断路器 Leakage circuit breakers |
| 01/31/2012 | US8107209 Protection circuit |
| 01/31/2012 | US8107206 Surge arrester |
| 01/31/2012 | US8107205 Current differential relay |
| 01/31/2012 | US8107204 Three-phase detection module |