Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › 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
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)
04/2012
04/11/2012CN102412551A 一种具有自动合闸功能的过欠压保护开关和保护方法 Over voltage protection switching and protection method with automatic closing function
04/11/2012CN102412550A 直流回路上可调的限流保护电路 Adjustable current limiting protection circuit DC back on the road
04/11/2012CN102412549A 一种结构最简的gptc过电流保护电路 A structure most simple gptc overcurrent protection circuit
04/11/2012CN102412548A 抑制带并联电抗器补偿线路三相重合闸过电压的重合时序整定方法 With shunt reactors compensate for line three-phase reclosing overvoltage suppression coincides with the timing tuning method
04/11/2012CN102412547A 户外高压交流真空断路器的控制装置 Outdoor high voltage AC vacuum control unit breaker
04/11/2012CN102412509A 接触网过电压保护装置 Catenary overvoltage protection device
04/11/2012CN102410123A Double-line plug-in-type startup protector
04/10/2012US8156478 Optimized program analysis
04/10/2012US8156165 Transaction-safe FAT files system
04/10/2012US8156086 Systems and methods for stored data verification
04/10/2012US8155796 Protective relay device
04/10/2012US8154841 Current zero cross switching relay module using a voltage monitor
04/10/2012US8154837 Circuit arrangement and method for monitoring wheel speed sensors in a motor vehicle control device
04/10/2012US8154836 Line current differential protection upon loss of an external time reference
04/10/2012US8154834 Protection circuit with overdrive technique
04/10/2012US8154832 Leak detection and leak protection circuit
04/10/2012US8154831 Leakage current detection interrupter with fire protection means
04/10/2012US8152538 Fluid bonding fitting and assembly and system incorporating the fitting, and method of use
04/10/2012CA2414273C Method and apparatus for detecting electrical faults and isolating power source from the electrical faults
04/05/2012WO2012042364A1 Dip switch change detection in a self powered relay
04/05/2012WO2012040750A1 Residual current operated device
04/05/2012WO2012017015A3 Method and device for parasitic current detection
04/05/2012US20120081827 Terminal block for surge protection having integral disconnect
04/05/2012US20120081824 Method and apparatus for sub-harmonic protection
04/05/2012US20120081819 Leakage Protection Outlet
04/05/2012US20120079799 Electric power tool
04/05/2012DE10243372B4 Sicherheitseinrichtung für Leistungsschaltung und Sicherungskasten Safety device for power circuit and fuse box
04/04/2012EP2437366A2 Electric device and method to detect arc fault in the same
04/04/2012EP2437359A1 Power plug with leakage protection function
04/04/2012EP1682909B1 Method and apparatus for identifying intermittent earth fault
04/04/2012EP1543420B1 Consistent message ordering for semi-active and passive replication
04/04/2012CN202183594U 一种带漏电保护的逆变电源 A power inverter with leakage protection
04/04/2012CN202183592U 高压差动保护互感器带避雷器接线盒 High voltage transformer differential protection with arresters junction box
04/04/2012CN202183591U 具有继电特性的电压异常保护装置 Have abnormal voltage protection relay characteristics
04/04/2012CN202183590U 交流电过压断电保护器 AC overvoltage protection power failure
04/04/2012CN202183589U 电器产品试验台中的过电压保护装置 Electrical product testing station overvoltage protection device
04/04/2012CN202183588U 一种三防电源箱 A three anti Power Box
04/04/2012CN202183587U 短路电流限制器 Short-circuit current limiter
04/04/2012CN202183586U 楼道公用电限流保护器 Corridor limiting protection of public electricity
04/04/2012CN202183530U 一种带报警装置漏电保护插头 A device leakage protection plugs with alarm
04/04/2012CN202183529U 限大控小控制器 Limit large control small controller
04/04/2012CN102405571A 用于电源和负载的监视设备 Monitoring equipment for the power supply and the load
04/04/2012CN102404903A 灯具驱动装置 Lamp driving device
04/04/2012CN102403710A 热敏电阻型过流过压保护电路 Thermistor type overcurrent protection circuit
04/04/2012CN102403704A 过流过压保护器件 Over-current protection device
04/04/2012CN102403699A 直流线路自适应电流差动保护方法 Adaptive DC line current differential protection method
04/04/2012CN102403697A 一种开关电源过压过流保护电路及保护方法 A switching power supply overvoltage and overcurrent protection circuit protection method
04/04/2012CN102403693A 一种电源过热断电装置 A power disconnect device overheating
04/04/2012CN102403692A 漏电保护器 Leakage protection
04/04/2012CN102403691A 用于使用光和时间鉴别来检测电弧闪光事件的方法、系统、和设备 A method for using light to detect the time of identification of an arc flash event, systems, and devices
04/04/2012CN102403690A 一种过流保护电路 Type of overcurrent protection circuit
04/04/2012CN102403689A 侦测及选择性忽略电源供应器的暂态 Selective detection of transient power supply and ignore the
04/04/2012CN101507072B 接地故障检测装置、用于接地故障检测的方法和电气设备 Ground fault detection device, method for ground fault detection and electrical equipment
04/03/2012US8150557 Method and system for reducing feeder circuit loss using demand response
04/03/2012US8149570 Universal power supply system
04/03/2012US8149555 Short-circuit current limiter
04/03/2012US8149554 Apparatus for fault tolerant digital inputs
04/03/2012US8149552 Downhole measurement tool circuit and method to balance fault current in a protective inductor
04/03/2012US8149550 Protective device having a circuit breaker, in particular a low-voltage circuit breaker
04/03/2012US8148853 Switching method and apparatus
03/2012
03/29/2012WO2012039526A1 Method and device for protecting against overcurrent
03/29/2012WO2011156394A3 Systems and methods for classifying power line events
03/29/2012US20120075764 Display device
03/29/2012US20120075762 Over-Current Protection Device
03/29/2012US20120075761 Electronic device
03/29/2012US20120075760 Protection of an electronic equipment
03/29/2012US20120075759 Safe Exposed Conductor Power Distribution System
03/29/2012US20120074846 Semiconductor Component and Method
03/29/2012DE102010041430A1 Method for balancing of switch i.e. low voltage power switch, utilized in power distribution plant, involves computing current integrals from respective sequence of numbers, and balancing one current integral by using other current integral
03/29/2012DE102007039915B4 Verfahren und Vorrichtung zum Stillsetzen einer Druckmaschine bei Netzausfall Method and apparatus for stopping a printing press on power failure
03/29/2012CA2753666A1 Method and apparatus for sub-harmonic protection
03/28/2012EP2434602A2 Short circuit control for high current pulse power supply
03/28/2012EP2434512A1 Method for activating the counter of a sectionalizer
03/28/2012CN202178893U Solar energy road lamp controller
03/28/2012CN202178568U 一种集成型高压带电显示闭锁装置 An integrated high-voltage live shows locking device
03/28/2012CN202178564U Electric leakage comprehensive protector
03/28/2012CN202178563U 电动教练车低压保护装置 Electric voltage protection device coach car
03/28/2012CN202178562U 漏电监控装置 Leakage monitoring device
03/28/2012CN202178561U 一种短路电流限制器 One kind of short-circuit current limiter
03/28/2012CN202178560U 智能电气安全监管系统 Smart electrical safety monitoring system
03/28/2012CN102394757A Power sourcing equipment having auto-zero circuit for determining and controlling output current
03/28/2012CN102394487A Protection unit of prepayment device
03/28/2012CN102394486A Protection module used for double power switch controller
03/28/2012CN101813958B Low dropout regulator, circuit and method for providing overcurrent protection therein
03/28/2012CN101227088B Multi spot spark triggering surge protector
03/27/2012US8144444 EMC protection circuit
03/27/2012US8144443 Discharging control apparatus of switching device for inverter
03/27/2012US8144442 Power protection in a multi-level power hierarchy
03/27/2012US8144441 Electrostatic discharge protection circuit for compound semiconductor devices and circuits
03/27/2012US8144440 Electric appliance and heating cooking device
03/27/2012US8143858 Electrical apparatus, electrical apparatus system, and power supply apparatus
03/27/2012US8143749 Dual current switch detection circuit with selective activation
03/27/2012CA2489909C Ac power backfeed protection based on phase shift
03/27/2012CA2437377C Aircraft applicable ground fault circuit interrupter
03/27/2012CA2403603C Electronic circuit breaker
03/22/2012US20120072739 Short circuit control for high current pulse power supply
03/22/2012US20120069483 Protection device, complementary protection device, signal output device, latch-up preventing method, and computer-readable medium
03/22/2012US20120069481 Voltage switching circuit, secondary battery protection circuit, and battery pack
03/22/2012US20120069480 Method, device and switch for providing short-circuit protection for resistive ac load
03/22/2012US20120069476 Thermally protected resettable GFCI
1 ... 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 ... 331