Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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07/11/2012 | CN102576799A Technique for limiting transmission of fault current |
07/11/2012 | CN102570855A Power supply device for taking electricity from high-voltage side in induction manner |
07/11/2012 | CN102570622A Voltage-sharing device of super capacitors |
07/11/2012 | CN102570525A PSoC (Programmable System on Chip)-based MPPT (Maximum Power Point Tracking) type solar charge controller |
07/11/2012 | CN102570463A Apparatus and method for improving power efficiency |
07/11/2012 | CN102570442A Control method of randomly-adjusting arc suppression coil and route selection device |
07/11/2012 | CN102570441A High-voltage discharging module and high-voltage discharging device with same |
07/11/2012 | CN102570440A Monitoring device of surge protector |
07/11/2012 | CN102570439A Built-in detection device of surge protector |
07/11/2012 | CN102570438A Surge protector with back-up protection device |
07/11/2012 | CN102570437A Surge protector with novel detection device |
07/11/2012 | CN102570436A Novel built-in detection device of surge protector |
07/11/2012 | CN102570435A Iron-core two-point earthing protecting device of inductance type transformer |
07/11/2012 | CN102570434A Power converter |
07/11/2012 | CN102570433A FF bus junction box |
07/11/2012 | CN102570432A Capacitance compensation switching switch structure |
07/11/2012 | CN102570388A Controllable device of surge protector |
07/11/2012 | CN102570387A Back-up protection device of surge protector |
07/11/2012 | CN102570386A Back-up protection device (relay) of surge protector |
07/11/2012 | CN102570380A Protection device for power failure control charging system by using igniter |
07/11/2012 | CN102569292A ESD protection device with tunable design windows |
07/11/2012 | CN102569288A Electrostatic protection structure |
07/11/2012 | CN102568965A Combined type SPD (surge protection device) for OCP (over-current protection) |
07/11/2012 | CN102565639A Component With Excess Voltage Protection And Method For Testing Same |
07/11/2012 | CN102562434A Wind turbine rotor blades with enhanced lightning protection system |
07/11/2012 | CN101534005B Suppressing circuit of power-on impact current |
07/10/2012 | US8218282 Portable electronic device and method for using the same |
07/10/2012 | US8218281 Control circuit for controlling a semiconductor switch system |
07/10/2012 | US8218277 Shared electrostatic discharge protection for integrated circuit output drivers |
07/10/2012 | US8218276 Transient voltage suppressor (TVS) with improved clamping voltage |
07/10/2012 | US8218275 ESD protection for pass-transistors in a voltage regulator |
07/10/2012 | US8217750 3-electrode surge protective device |
07/10/2012 | CA2439947C Superconducting cable and superconducting cable line |
07/05/2012 | WO2012091941A1 Superconducting fault current limiter |
07/05/2012 | US20120170163 Barrier diode for input power protection |
07/05/2012 | US20120170162 Semiconductor package and fabrication method thereof |
07/05/2012 | US20120170161 Electrostatic discharge circuit for radio frequency transmitters |
07/05/2012 | US20120170160 ESD protection circuit and ESD protection device thereof |
07/05/2012 | DE102011054665A1 Leistungssteuersystem The power control system |
07/05/2012 | DE102010056361A1 Schutzschaltung in einem Scheibenwischerantrieb und Scheibenwischerantrieb Protection circuit in a windshield wiper drive and windshield wiper drive |
07/04/2012 | EP2472692A1 Surge protection circuit in three-phase four-wire system circuit |
07/04/2012 | EP2472532A1 Coil, coil assembly and superconducting fault current limiter |
07/04/2012 | EP1461852B1 Multipole overvoltage protection system and method for the reliable operation of a multipole overvoltage protection system |
07/04/2012 | CN202310192U 一种带有钳位保护的led指示灯 A led light with clamp protection |
07/04/2012 | CN202310188U Driving power supply of LED lamp |
07/04/2012 | CN202309835U 一种具有过流过压保护功能的载波用户接口模块 A kind of over-current protection function user interface module carrier |
07/04/2012 | CN202309703U 液压支架总线控制的信号中继器 Signal repeater control hydraulic support bus |
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 | CN202309245U 一种以盘式绝缘子泄漏电流为能源的电源装置 Kind of disc insulator leakage current of energy supply unit |
07/04/2012 | CN202309066U 一种智能快速消弧消谐选线及过电压保护装置 An intelligent fast arc harmonic elimination line selection and over-voltage protection device |
07/04/2012 | CN202309065U 用于消弧电路中的线圈构件和功率电子电路 Crowbar circuit for the coil member and the power electronic circuitry |
07/04/2012 | CN202309064U 一种双通道六柱氧化锌避雷器 A dual-channel six columns MOA |
07/04/2012 | CN202309063U 一种过压保护装置 One kind of overvoltage protection devices |
07/04/2012 | CN202309062U 一种配电变压器防雷线圈 An electrical distribution transformer coil lightning |
07/04/2012 | CN202309061U 一种缩短电源输出电压下降时间的电路 A shortened circuit power supply output voltage fall time |
07/04/2012 | CN202309060U 一种电力线载波通讯三相阻波器 A power line carrier communications three-phase traps |
07/04/2012 | CN202309059U 一体化综合防雷箱 Integrated and comprehensive lightning protection box |
07/04/2012 | CN202309058U 压敏能耗制动保护电路 The pressure-sensitive dynamic braking circuit protection |
07/04/2012 | CN202309057U 一种免接地三相电源系统直接雷击保护器 A no-grounded three-phase power system direct lightning strike protection |
07/04/2012 | CN202309056U 限压消弧保护装置 Pressure limiting crowbar devices |
07/04/2012 | CN202309055U Thyristor Controlled Series Compensation (TCSC) unit based on parallel connection of dual TCR (Thyristor Controlled Reactor) branches |
07/04/2012 | CN202309054U 一种汽车抗干扰电路 An automobile anti-jamming circuit |
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 | CN202309052U 一种大信号射频输出端口片内静电释放保护机构 Within a large signal RF output port chip ESD protection agency |
07/04/2012 | CN202309051U 一种耗尽型pHEMT芯片的ESD保护电路 One kind of depletion-mode pHEMT chip ESD protection circuit |
07/04/2012 | CN202309043U 开关电源及其加强绝缘保护电路 Its reinforced insulation protection switching power supply circuit |
07/04/2012 | CN202309030U 一种具有监控功能的后备保护装置 Backup protection device having a monitoring function |
07/04/2012 | CN102545922A Electrostatic discharge circuit for radio frequency transmitters |
07/04/2012 | CN102545674A Power unit for converter of wind driven generator |
07/04/2012 | CN102545287A MPPT(Maximum Power Point Tracking)-type solar charging controller based on PSoC (Programmable System On Chip) |
07/04/2012 | CN102545256A Control device for grid connection current |
07/04/2012 | CN102545233A Compact type parallel capacitor complete equipment |
07/04/2012 | CN102545197A Low-current grounding protection method and device on basis of active excitation differential state principle |
07/04/2012 | CN102545196A Multilayer discharge gap type surge protection device |
07/04/2012 | CN102545195A Discharging circuit and method for electro-magnetic interference (EMI) filter capacitor |
07/04/2012 | CN102545194A Protection circuit and protection method of power frequency full-bridge circuit of grid-connected photovoltaic inverter |
07/04/2012 | CN102545193A Method and device for discharging residual voltage of bus of servo controller |
07/04/2012 | CN102545192A Baseband signal processing chip |
07/04/2012 | CN102545191A Input power port protection component |
07/04/2012 | CN102545190A Design method and device for electronic shelter lightning protection filter |
07/04/2012 | CN102545189A Intelligent monitoring surge protector (relay) |
07/04/2012 | CN102545188A Intelligent detection surge protector |
07/04/2012 | CN102545187A Surge protector with detection function |
07/04/2012 | CN102545186A Intelligent monitoring surge protector |
07/04/2012 | CN102545185A Surge protector with spare protection module |
07/04/2012 | CN102545184A Intelligent detection surge protector (fuse protector) |
07/04/2012 | CN102545183A Intelligent heat-dissipation lightning arrester |
07/04/2012 | CN102545182A Power controller system |
07/04/2012 | CN102545181A Protection circuit and protection method thereof |
07/04/2012 | CN102545180A Electrostatic protection structure applied among multiple power supplies of germanium-silicon process |
07/04/2012 | CN102545154A Spare protective device with monitoring function |
07/04/2012 | CN102545153A Surge protector with monitoring function |
07/04/2012 | CN102545151A On-line monitoring system for capacitor voltage transformer |
07/04/2012 | CN102545136A MEMS-based switching systems |
07/04/2012 | CN102544001A SCR (Silicon Controlled Rectifier) structure for providing ESD ( Electro-Static discharge) protection for I/O (Input/Output) port of integrated circuit under all modes |
07/04/2012 | CN102034811B Low-voltage SCR (Silicon Controlled Rectifier) structure for ESD (Electronic Static Discharge) protection of integrated circuit chip |
07/04/2012 | CN102034809B ESD (Electrostatic Discharge) protective circuit |
07/04/2012 | CN101981633B High-voltage insulator and a high-voltage electric power line using said insulator |
07/04/2012 | CN101872969B Capacitive grounding current distributed compensation method and device for medium-voltage power supply system |