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)
05/2014
05/22/2014US20140142775 Power production systems with a safety and reliability monitoring system and methods for improving safety and reliability for power production systems
05/22/2014US20140139966 Electrode arrangement for an electrical component
05/22/2014US20140139962 Circuit arrangement having an overload protection for galvanic isolation units
05/22/2014US20140139961 Device for providing protection against electrical shock hazards involving two circuit conductors
05/22/2014US20140139959 Excitation inrush current suppression device
05/22/2014US20140139957 Integrated circuit electrical protection device
05/22/2014US20140139956 Fault detecting device for an electricity supply
05/22/2014US20140139955 Leakage protection plug
05/22/2014DE102012111061A1 Schutzschaltung für einen Stromwandler und Stromwandler mit einer Schutzschaltung Protection circuit for a power transformer and current transformer with a protection circuit
05/21/2014EP2733805A1 Systems and methods of discriminating DC arcs and load switching noise
05/21/2014EP2732522A1 Transient voltage blocking for powerconverter
05/21/2014EP2732521A1 Direct current circuit breaker
05/21/2014EP2732520A1 Relocatable power tap with surge suppression or surge protection and a method for its manufacture
05/21/2014EP2732472A1 System for placing solar power plants into a safe condition
05/21/2014EP2732293A1 Method and device for measuring electric currents by means of a current transformer
05/21/2014CN203608156U 太阳能光伏控制器用的过流保护及启动恢复电路 Overcurrent and start using solar photovoltaic controller recovery circuit
05/21/2014CN203607821U 一种塑壳漏电控制器 One kind Molded leakage Controller
05/21/2014CN203607820U 一种用于4-20mA电流输入电路的过电流过电压保护电路 A 4-20mA current input circuit overcurrent overvoltage protection circuit
05/21/2014CN203607819U 报警系统电源过压保护电路 Alarm system power supply protection circuit
05/21/2014CN203607818U 一种高能压敏电阻过电压保护器的损坏预警及保护装置 A high-energy varistor overvoltage protector damage early warning and protection devices
05/21/2014CN203607817U 一种电源过压欠压过流烧毁报警复位上电保护装置 A supply overvoltage undervoltage alarm reset overcurrent burned on power protection device
05/21/2014CN203607816U 一种控制与保护开关电器的控制电路 A control and protective switch control circuit
05/21/2014CN203607815U 爆卸式大电流快速开断装置储能电路的安全保护电路 Explosion dump large current fast breaking safety tank circuit protection circuit device
05/21/2014CN203607814U 一种带故障报警功能的电涌保护器 A surge protector with fault alarm function
05/21/2014CN203607813U 三相航空继电器接地故障保护电子装置 Three-phase ground fault protection relay aviation electronics
05/21/2014CN203607812U 跳闸保护装置 Trip Protection
05/21/2014CN203607811U 报警系统的外接输出控制与保护电路 External output control and protection circuit alarm system
05/21/2014CN203607333U 双稳态继电器的驱动电路及其剩余电流保护装置 Bistable relay driver circuit and residual current protection device
05/21/2014CN203607327U 一种震动开关及应用其的led保护电路 A shock switch and application thereof led protection circuit
05/21/2014CN203606509U 一种金属检测机电源干扰消除装置 One metal detector power interference canceller
05/21/2014CN203602721U 具有智能控制功能的制氢装置 Hydrogen plant with intelligent control function
05/21/2014CN103812330A 可动态调整输出电压的电源转换器及其适用的供电系统 Can dynamically adjust the output voltage of the power converter and power supply system applicable
05/21/2014CN103812092A 一种用于大功率音频输出喇叭的保护电路 A protection circuit for high power audio output speaker
05/21/2014CN103812084A 电源装置 Power supply unit
05/21/2014CN103812083A 灯具保护电路及灯具 Lamps and lanterns protection circuit and lamps and lanterns
05/21/2014CN103812082A 一种新型电弧光保护系统 A new arc protection system
05/21/2014CN103812081A 一种直流电弧故障检测保护方法及装置和检测电路 A DC arc fault detection and protection method and apparatus for detecting circuit
05/21/2014CN103802763A 一种装甲车辆直流高压大电流组合配电保护装置 One kind of armored vehicle combination DC high voltage high current power distribution protection device
05/21/2014CN102007659B 负载电路的保护装置 Load circuit protection device
05/21/2014CN101826716B 设有势垒齐纳二极管的低压瞬时电压抑制器 Zener diode has a barrier of low pressure transient voltage suppressor
05/20/2014US8731765 Method and apparatus for fault detection in a torque machine of a powertrain system
05/20/2014US8730640 DC pass RF protector having a surge suppression module
05/20/2014US8730637 Surge protection devices that fail as an open circuit
05/20/2014US8730634 ESD protection circuit
05/20/2014US8730632 Power interconnect integrity detection
05/20/2014US8730631 Protective monitoring circuit and battery pack
05/20/2014US8730629 Variable breakdown transient voltage suppressor
05/15/2014US20140133057 Surge protection device
05/15/2014DE102013218670A1 Verpolungsschutz für High-Side-Schalter in n-Substrat Reverse polarity protection for high-side switch in n-substrate
05/15/2014DE102013002796A1 Vorrichtung zur Erdschlusserkennung in Mehrofenanlagen und Mehrofenanlage Apparatus for ground fault detection in multi furnaces and furnace More
05/15/2014DE102012220692A1 Verfahren und Vorrichtung zur Überwachung eines Prüfintervalls für eine Fehlerstrom-Schutzeinrichtung Method and apparatus for monitoring a test interval for a residual current device
05/15/2014DE102012022455A1 Electrical circuit for fuse protection of charging installation for charging of vehicle, has signaling device that sends switching signal to terminate charging process to switching unit, in response to detection of unscheduled current
05/15/2014DE102009049934B4 Aus einem elektrischen Wechselstromnetz versorgbares Elektrogerät und Verfahren zur Fehlererkennung From an electric ac network versorgbares electric apparatus and method for error detection
05/14/2014EP2731217A1 Method and device for monitoring a test interval for a residual current protection device
05/14/2014EP2730023A1 System for detecting internal winding faults of a synchronous generator, computer program product and method
05/14/2014CN203596769U 一种新型y—△起动箱 A new y- △ starter box
05/14/2014CN203596605U 一种用于低压线路的防窃电装置 An anti-theft device for low-voltage lines
05/14/2014CN203596604U 无源数字定时断相保护器 Passive digital timing phase failure protection
05/14/2014CN203596603U 电源控制电路 The power control circuit
05/14/2014CN203596602U 零线自动选择装置 Means for automatically selecting the zero line
05/14/2014CN203596601U 一种延时可控的电源短路保护电路 One kind of delay controllable power short circuit protection
05/14/2014CN203596600U 过流保护电路 Overcurrent protection circuit
05/14/2014CN203596599U 数字式直流断路器 Digital DC breaker
05/14/2014CN203596598U 三相电流过流保护电路 Three-phase current overcurrent protection circuit
05/14/2014CN103797673A 用于对过载跳闸曲线补偿ct 误差的方法 Methods overload trip curve to compensate for errors ct
05/14/2014CN103797372A 借助于电流互感器测量电流的方法和设备 By means of a method and apparatus for measuring current of current transformer
05/14/2014CN103795143A 电流差动保护 Current differential protection
05/14/2014CN103795045A 保护装置 Protector
05/14/2014CN103795029A 直流远供电源系统的漏电流检测保护电路 DC leakage current detection and protection circuit remote power supply system
05/14/2014CN103795028A 交流智能配电控制模块 AC Intelligent Power Distribution Control Module
05/14/2014CN103795027A 一种漏电检测保护电路 One kind of leakage detection and protection circuit
05/14/2014CN103795026A 输入级esd保护电路 Esd protection circuit input stage
05/14/2014CN103795025A 一种防雷过压保护电路 One kind of lightning overvoltage protection circuit
05/14/2014CN103795024A 储能电站内直流连接线的保护方法 Protection methods within the DC cable storage power stations
05/14/2014CN103795023A 一种组合式速调管阵列管体过流识别方法 A modular klystron tube array overcurrent recognition method
05/14/2014CN103795022A 故障电流检测电路 Fault current detecting circuit
05/14/2014CN103795021A 单相重合闸 Single-phase reclosing
05/14/2014CN103792459A 用于测试电子跳闸装置的方法和设备 Method and apparatus for testing an electronic trip unit
05/14/2014CN102510606B 一种led驱动电路电流检测电阻短路保护方法和装置 One kind of led driver circuit current detection resistor short circuit protection method and apparatus
05/14/2014CN102510043B 矿用电源安全二级保护电路 Mine safety of two power protection circuit
05/14/2014CN102315632B 抑制igbt过电流的驱动电路 Suppression igbt driver circuit overcurrent
05/14/2014CN102231509B 具有防止误翻转功能的欠压锁存电路 Has a flip function to prevent misuse of the undervoltage lockout
05/14/2014CN101878571B 低电容半导体器件 Low capacitance semiconductor device
05/13/2014US8724285 Cosmetic conductive laser etching
05/13/2014US8724283 A.C. power line surge protectors
05/13/2014US8724280 Surge protection
05/13/2014US8724279 System and method for short circuit protection
05/13/2014US8724278 Efficient input voltage sensing technique
05/13/2014US8724276 Multi-stage overvoltage protection circuit, in particular for information-technology systems
05/13/2014US8724275 Three-phase detection module
05/13/2014US8724274 Power distribution systems and methods of operating a power distribution system
05/13/2014US8724272 ESD protection device with a tunable holding voltage for a high voltage programming pad
05/13/2014US8724271 ESD-robust I/O driver circuits
05/13/2014US8724268 Over-limit electrical condition protection circuits and methods
05/13/2014US8724266 Photovoltaic switchgear with sacrificial fuse
05/13/2014US8723653 Asset identification and management method and system
05/08/2014WO2014070835A2 System and method for over-current protection
05/08/2014WO2014068966A1 Power supply device and illumination device for vehicle using same
05/08/2014WO2014068194A1 Safety arrangement, elevator system, frequency converter and a method for monitoring electrical safety in an elevator system
05/08/2014WO2014067831A1 Method and arrangement for locating short-circuits in energy supply systems
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