| 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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| 07/11/2012 | CN202333743U 供电电压保护装置 Supply voltage protection device |
| 07/11/2012 | CN202333742U 一种室外移动电器安全工作装置 One kind of outdoor mobile electrical safety devices |
| 07/11/2012 | CN202333741U 智能防雷漏电断路器 Smart Lightning leakage circuit breaker |
| 07/11/2012 | CN202333740U 电源过流保护电路 Power-current protection circuit |
| 07/11/2012 | CN202333739U 一种电源快速保护装置 A power supply protection device fast |
| 07/11/2012 | CN202333738U 铁路信号专用智能开关 Railway signal dedicated Smart Switch |
| 07/11/2012 | CN202333737U 一种矿用电源安全二级保护电路 An ore secondary protection circuit with Power Safety |
| 07/11/2012 | CN202333736U 一种中频电炉感应器的短路保护装置 Intermediate Frequency electric sensor short circuit protection device |
| 07/11/2012 | CN202333735U 采集终端电源保护装置 Collection terminal power protection devices |
| 07/11/2012 | CN202333734U 安全电源智能保护器 Intelligent Power Protector Safety |
| 07/11/2012 | CN202333733U 与断路器分离的带负载检测功能的自动重合闸装置 Separation circuit breaker with a load detection function automatic reclosing devices |
| 07/11/2012 | CN202333732U 开关量输出保护电路 Switch output protection circuit |
| 07/11/2012 | CN202333731U 一种交流电源故障显示及照明配电箱 An AC power failure display and lighting distribution box |
| 07/11/2012 | CN202333730U 一种智能型断路器 An intelligent circuit breaker |
| 07/11/2012 | CN202333729U 漏电保护器 Leakage protection |
| 07/11/2012 | CN202333728U 井下防爆综合保护装置 Underground Explosion integrated protection device |
| 07/11/2012 | CN202333727U Intelligent leakage protection equipment |
| 07/11/2012 | CN202333726U 一种消防智能电控装置 One kind of intelligent electronic control devices Fire |
| 07/11/2012 | CN202333725U 一种即插即用型漏电保护器 Plug and play one kind of leakage protection |
| 07/11/2012 | CN202333724U 智能漏电防雷过欠压保护器 Intelligent leakage lightning over-voltage protection |
| 07/11/2012 | CN202333723U 多路水下电机供电回路绝缘监测及保护控制装置 Multiple underwater electrical power supply circuit insulation monitoring and protection and control devices |
| 07/11/2012 | CN202333722U Real-time monitoring and protecting and remote monitoring system of power utilization |
| 07/11/2012 | CN202333553U 带欠压跳闸保护的计量箱式变电站 Metering box with undervoltage trip protection of substation |
| 07/11/2012 | CN202333330U 一种新型计量节电保护装置 A new measurement of the power saver device |
| 07/11/2012 | CN202331254U 设有过流保护电路模块的电流-电压转换电路 Overcurrent protection circuit module provided with a current - voltage conversion circuit |
| 07/11/2012 | CN202326141U 水泵控制柜 Pump control cabinet |
| 07/11/2012 | CN202325967U 一种两线插入式起动保护器 A two-wire plug-in starter protector |
| 07/11/2012 | CN202323366U 一种绗缝机的失电保护装置 Loss of power protection device for quilting |
| 07/11/2012 | CN102577006A An arrangement for protecting equipment of a power system |
| 07/11/2012 | CN102577003A A sentinel unit for an it electrical distribution system having a floating reference conductor |
| 07/11/2012 | CN102576999A System and method for polyphase ground-fault circuit-interrupters |
| 07/11/2012 | CN102576998A Overcurrent protection device and overcurrent protection system |
| 07/11/2012 | CN102576997A Power supply control device |
| 07/11/2012 | CN102576996A Monitoring apparatus |
| 07/11/2012 | CN102576042A Device and method for providing electrical energy at a load circuit |
| 07/11/2012 | CN102573203A Current Leakage Protection Device for LED Applications |
| 07/11/2012 | CN102573182A Driving protection circuit and lamp |
| 07/11/2012 | CN102570856A Synchronous rectified switch with auto fault clearing |
| 07/11/2012 | CN102570845A Singlechip-based automatic voltage conversion system |
| 07/11/2012 | CN102570595A Method for processing fault of main transformer of transformer substation |
| 07/11/2012 | CN102570431A Method for limiting short circuit current of power grid |
| 07/11/2012 | CN102570430A Electronic protection relay with current-held variable and fixed delay counting time |
| 07/11/2012 | CN102570426A Method for realizing back-up protection in wide area protection by using differential protection |
| 07/11/2012 | CN102570423A Crossover line permanent fault recognizing method for double circuit lines on same tower |
| 07/11/2012 | CN102570418A Method and device for identifying current inverting of series compensated line |
| 07/11/2012 | CN102570415A Automatic reclosing method for multiphase faults of extra-high-voltage common-tower double-circuit transmission line |
| 07/11/2012 | CN102570410A Electronic voltage stabilizer |
| 07/11/2012 | CN102570409A Over-voltage protection method and device for onboard battery of trolley bus |
| 07/11/2012 | CN102570402A Switching power device with alternating current input over-voltage protection function |
| 07/11/2012 | CN102570401A Semiconductor element drive device |
| 07/11/2012 | CN102570400A Intrinsically safe high-power switch converter output short-circuit protection device and method |
| 07/11/2012 | CN102570397A Motor working protection device |
| 07/11/2012 | CN102570395A Automatic identification and empty-fetch protection method for photovoltaic water pump frequency converter |
| 07/11/2012 | CN102570390A On-line monitoring and protecting device for series reactor |
| 07/11/2012 | CN102570389A High-voltage error detection protecting method of avometer and avometer |
| 07/11/2012 | CN102570385A Electric shock preventing device |
| 07/11/2012 | CN102570384A Earth leakage current breaker |
| 07/11/2012 | CN102570383A Absence-of-ground electricity leakage protection circuit of electric water heater for single-phase power supply shower |
| 07/11/2012 | CN102570382A Starting up protection device |
| 07/11/2012 | CN102570381A Capacitance check and current monitoring circuit for use with a circuit protection device |
| 07/11/2012 | CN102570380A Protection device for power failure control charging system by using igniter |
| 07/11/2012 | CN102570379A Method for realizing serial connection work of direct current shunt tripping device and direct current middle relay |
| 07/11/2012 | CN102570378A Short-circuit protection circuit and method |
| 07/11/2012 | CN102570377A Load fault diagnosis detection method and device thereof |
| 07/11/2012 | CN101661855B Over current protection device |
| 07/10/2012 | US8219979 Method of tracing data collection |
| 07/10/2012 | US8219258 Queuing access to a shared power supply |
| 07/10/2012 | US8218776 Surge protection circuit for audio output device |
| 07/10/2012 | US8218282 Portable electronic device and method for using the same |
| 07/10/2012 | US8218279 Electronic device and method for dynamic USB power assignment |
| 07/10/2012 | US8218278 Current differential relay device, signal processing method thereof and power transmission line protection system |
| 07/10/2012 | US8218275 ESD protection for pass-transistors in a voltage regulator |
| 07/10/2012 | US8218274 Direct current arc fault circuit interrupter, direct current arc fault detector, noise blanking circuit for a direct current arc fault circuit interrupter, and method of detecting arc faults |
| 07/10/2012 | US8217612 Collision monitoring system |
| 07/10/2012 | US8217536 Magnetizing inrush current suppression device for transformer and control method of same |
| 07/10/2012 | CA2662250C System and method for managing power supply to a circuit breaker control unit |
| 07/10/2012 | CA2658184C Two-gang adjustable mud ring |
| 07/05/2012 | WO2012092579A1 System and method for battery saver |
| 07/05/2012 | WO2012089513A1 A cooling device suitable for using in motor vehicles |
| 07/05/2012 | US20120170166 Overcurrent protection device and overcurrent protection system |
| 07/05/2012 | US20120170165 Adaptive overvoltage protection circuit and method, and power system including the same |
| 07/05/2012 | US20120169274 System and method for protecting a power consuming circuit |
| 07/05/2012 | DE102011121975A1 System und Verfahren zum Schutz einer energieverbrauchenden Schaltung System and method for protecting a power-consuming circuit |
| 07/05/2012 | DE102011054665A1 Leistungssteuersystem The power control system |
| 07/04/2012 | EP2472691A1 Overcurrent protection device and overcurrent protection system |
| 07/04/2012 | EP2472690A1 Methods and systems involving monitoring circuit connectivity |
| 07/04/2012 | EP2020074B1 Device for automatically switching off or switching an electrical consumer |
| 07/04/2012 | CN202310187U Driving circuit of luminous element, luminous device using same, and electronic equipment |
| 07/04/2012 | CN202309542U 一种宽电压输入范围的交流稳压电源 One kind of wide input voltage range of AC power supply |
| 07/04/2012 | CN202309541U 带防雷击防浪涌功能的宽电压输入范围的交流稳压电源 Lightning Surge function with a wide input voltage range of AC power supply |
| 07/04/2012 | CN202309160U 一种发热装置及使用该发热装置的保暖用品 A heating device and use warm items of the heat-generating unit |
| 07/04/2012 | CN202309063U 一种过压保护装置 One kind of overvoltage protection devices |
| 07/04/2012 | CN202309053U 一种电压型pwm电路的过流保护电路 A voltage-current protection circuit pwm circuit |
| 07/04/2012 | CN202309049U 电力系统变电站差动保护系统 Differential power system substation protection system |
| 07/04/2012 | CN202309048U 带零序方向判断的中压开关保护控制器 Medium voltage switchgear protection controller with Zero sequence determination |
| 07/04/2012 | CN202309047U 适用于客运专线的铁路配电所进线保护测控装置 Suitable for Passenger Dedicated Line Railway Substation IED |
| 07/04/2012 | CN202309044U Insulated gate bipolar translator (IGBT) module driving circuit applicable to high power inverter |
| 07/04/2012 | CN202309042U 一种动力锂电池组保护板 A power lithium battery protection board |
| 07/04/2012 | CN202309038U 大功率变频装置igbt短路保护电路 Igbt power inverter short circuit protection device |
| 07/04/2012 | CN202309034U 用于织布机电机的报警装置 Electromechanical machines for weaving alarm device |