Patents
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)
07/2012
07/25/2012CN102611079A Short-circuit protection system and short-circuit protection method for isolated power converter
07/25/2012CN102611075A Smart monitoring protective device of electric water pump with liquid level control
07/25/2012CN102611073A Electric fire power-failure protection system of automobile
07/25/2012CN102611072A Energy-saving controller with overpressure protection and limit off functions
07/25/2012CN102611071A Electric leakage detecting protecting circuit with magnetic locking mechanism
07/25/2012CN102611070A Overcurrent protection device of ozone generator
07/25/2012CN102611069A Electric arc fault protector
07/25/2012CN102609065A 过流保护装置 Overcurrent protection devices
07/25/2012CN102608383A Current measuring systems and methods of assembling the same
07/25/2012CN102602295A Awakening electric shock prevention device for electric vehicle
07/25/2012CN101854056B Neutral bus switch protection health pole action strategy and counting shutdown method thereof
07/25/2012CN101834425B Man-mobile phone-network double-communication power supply
07/25/2012CN101826714B Intrinsically-safe type control device
07/25/2012CN101789578B Electronic fuse capable of sensing load current
07/25/2012CN101777748B Intelligent automatic early-warning tripping and closing power saving controller
07/25/2012CN101688892B Method and device to predict a state of a power system in the time domain
07/25/2012CN101388540B Leakage protection circuit having life end detection and display functions
07/25/2012CN101340076B Dual-window voltage comparator wire and delay converting circuit
07/25/2012CN101336503B Method and adaptive distance protection relay for power transmission lines
07/25/2012CN101316039B Circuit apparatus
07/24/2012US8228654 Apparatus and method for protecting battery by comparison of full charge capacity
07/24/2012US8228652 Arc flash detection apparatus and electrical system including the same
07/24/2012US8228649 Impedance-based current sensor
07/24/2012US8228071 Electrical safety devices and systems for use with electrical wiring, and methods for using same
07/20/2012CA2763517A1 Low profile electrical device assembly
07/20/2012CA2763516A1 Rocker contact switch for electrical device
07/19/2012WO2012018600A3 Controller circuit including a switch mode power converter and automatic recloser using the same
07/19/2012US20120182663 Esd protection against charge coupling
07/19/2012US20120182661 Overcurrent protection device
07/19/2012US20120182660 Resistance determining system and method for circuit protection
07/19/2012US20120182659 Dual-directional electrostatic discharge protection method
07/19/2012US20120182658 Low-Power Magnetic Slope Detecting Circuit
07/19/2012US20120182657 Rate of change differential protection
07/19/2012US20120182656 Active transient current control in electronic circuit breakers
07/19/2012US20120182655 Methods and Systems Involving Monitoring Circuit Connectivity
07/18/2012EP2477293A2 Methods and systems involving monitoring circuit connectivity
07/18/2012EP2477292A1 Automatic reset discrimination system and method for a self powered electronic protection device
07/18/2012EP2477040A1 Ground fault detection circuit, and ground fault detection device
07/18/2012EP2476002A1 Fault detection in energy supply networks having an unearthed or resonant-earthed star point
07/18/2012CN202340118U 控制柜主控设备温度自动控制装置 Automatic temperature control cabinet master control device
07/18/2012CN202340117U 一种漏电保护器 One kind of leakage protection
07/18/2012CN202340116U 空开跳闸监测报警电路 Monitoring alarm circuit breaker trip
07/18/2012CN102595731A Light-dimming LED controller and output short-circuit protection method thereof
07/18/2012CN102594572A Anti-surge network equipment
07/18/2012CN102593948A Multifunctional inverting circuit
07/18/2012CN102593924A Charger circuit with automatic polarity identification function
07/18/2012CN102593817A Microcomputer arc-extinguishing and over-voltage protection integrated device
07/18/2012CN102593814A Lightning stroke protecting device for air conditioner
07/18/2012CN102593810A 浪涌保护电路 Surge protection circuit
07/18/2012CN102593802A Three-phase variable leakage current protective device
07/18/2012CN102593801A Split-phase differential protection method based on scalar product brake criterion normalization
07/18/2012CN102593797A Topological structure-based differential combination method
07/18/2012CN102593794A Output current transient protection circuit for electric steering engine
07/18/2012CN102593790A Lighting fixture overheating protection circuit and lighting fixture thereof
07/18/2012CN102593789A Resistance setting system and resistance setting method
07/18/2012CN102593788A Short circuit/ overcurrent protection controller and operation method
07/18/2012CN102593787A Low-current disjunction device and disjunction method for direct-current distribution system
07/18/2012CN102593786A Multi-channel monitoring and controlling circuit for DC remote power supply systems
07/18/2012CN102593785A Protective circuit for electric leakage detection
07/18/2012CN102591832A Current limiting circuit and method of universal serial bus
07/18/2012CN102590588A Instantaneous power-down monitoring device and power-down processing method for DC power supply
07/18/2012CN102587734A Electromechanical dual-controlled intelligent lockset and door lock system
07/18/2012CN102005194B Monochrome liquid crystal module universal driver
07/18/2012CN101794981B Multifunctional electric leakage protector
07/18/2012CN101752828B Low-voltage protection device
07/18/2012CN101378187B Power supply protection circuit
07/18/2012CN101371621B A protection device for electronic converters, related converter and method
07/18/2012CN101295610B Circuit breaker and SPD protection system employing the circuit breaker
07/17/2012US8223468 Power conditioning circuit utilizing high oersted rating inductors
07/17/2012US8223466 Arc flash detection
07/17/2012US8222860 Power transmission control device, power transmission device, power receiving control device, power receiving device, and electronic apparatus
07/12/2012US20120176718 Transient voltage suppressor
07/12/2012US20120176717 Category 6a surge protector
07/12/2012US20120176716 Vertical mount transient voltage suppressor array
07/12/2012US20120176714 Electric shock protection device
07/12/2012US20120176713 Limiting current circuit that has output short circuit protection
07/12/2012US20120176712 Method and device for reclosing control using a harmonic ratio
07/12/2012US20120176711 Method and apparatus for switched electrostatic discharge protection
07/12/2012US20120174961 Arc fault mitigation for photovoltaic systems
07/11/2012EP2474076A1 A method of fault phase selection and fault type determination
07/11/2012EP2473863A1 Open phase detection system and method for three-phase motor
07/11/2012CN202334295U Low-power consumption start-up and under-voltage protection circuit device
07/11/2012CN202334164U 能抑制电磁干扰的雨刮电机 Can suppress electromagnetic interference wiper motor
07/11/2012CN202333802U 连体压缩箱电气系统 Siamese compression box electrical system
07/11/2012CN202333796U 过压过流保护开关 Overvoltage overcurrent protection switch
07/11/2012CN202333786U 抑制igbt过电流的驱动电路 Suppression igbt driver circuit overcurrent
07/11/2012CN202333780U 一种电路负荷可自动调整控制的电路结构 A circuit that automatically adjusts the load circuit structure control
07/11/2012CN202333771U Power supply protection circuit and engineering machinery
07/11/2012CN202333765U 一种安全的电机驱动回路 A safe motor driving circuit
07/11/2012CN202333761U 发电机高级智能预防短路保护器 Advanced Intelligent prevention generator short circuit protection
07/11/2012CN202333760U 发电机智能保护器 Smart Protector Generator
07/11/2012CN202333755U 蓄电池组过温报警器 Overtemperature alarm batteries
07/11/2012CN202333752U 智能型多功能防火漏电测温监控仪 Intelligent Multifunction Fire leakage Temperature Monitor
07/11/2012CN202333750U 可燃气体报警断电装置 Combustible gas alarm off device
07/11/2012CN202333749U 用电器功率限制器 Use of electrical power limiter
07/11/2012CN202333748U 一种三相四线断零保护装置 A three-phase four-wire off zero protection device
07/11/2012CN202333747U 一种保护接地系统漏电保护装置 A grounding system leakage protection device to protect
07/11/2012CN202333746U 一种漏电保护装置 One kind of leakage protection device
07/11/2012CN202333745U 一种具有温度保护的漏电保护装置 Leakage protection device with a temperature protection
07/11/2012CN202333744U 一种电压互感器过电压保护装置 A voltage-transformer over-voltage protection device
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