Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
11/2012
11/28/2012CN102802393A Antenna isolator
11/28/2012CN102801902A Signal transmission device and imaging display system
11/28/2012CN102801151A Optimization tuning system and method of arc suppression coil with continuously adjustable inductance value
11/28/2012CN102801150A Voltage fluctuation and flicker inhibitor used for power supply system
11/28/2012CN102801149A Wire inlet protector
11/28/2012CN102801148A Intelligent overvoltage control device
11/28/2012CN102801147A Over-voltage suppression device for generator unit
11/28/2012CN102801146A Power clamp ESD (Electronic Static Discharge) protective circuit
11/28/2012CN102801145A System electricity-saving appliance
11/28/2012CN102801144A Surge suppressors of switch for power supply and distribution
11/28/2012CN102801135A Low-voltage and under-voltage shoot-through over-voltage protective current limiting circuit
11/28/2012CN102118032B SVC reactive prediction and compensation method for rectifier load
11/28/2012CN101909375B High-power electromagnetic oven circuit based on SoC (System On Chip) chip
11/28/2012CN101888085B Motor-driven control chip provided with ESD circuit
11/28/2012CN101741075B Esd protection circuit and circuitry of ic applying the ESD protection circuit
11/28/2012CN101552437B Wire splitting base
11/28/2012CN101427467B Safety device for a semiconductor switch
11/28/2012CN101252279B Surge protection device and surge protection apparatus using thereof
11/27/2012US8320091 Apparatus and method for electronic circuit protection
11/27/2012US8320088 Power transfer mechanism for use in transmission and distribution level electrical power systems
11/27/2012US8320087 Switching regulator control circuit
11/27/2012CA2511695C Surge protector with optional input transformer
11/27/2012CA2411238C Circuit breaker for detecting an excessive voltage and tripping responsive thereto
11/22/2012WO2012157494A1 Fault current limiter
11/22/2012WO2012156406A1 Method and system for controlling the turn-on time of a device that includes a magnetic circuit
11/22/2012US20120293905 Surge arrester
11/22/2012US20120293903 Power supply apparatus with inrush current prevention circuit
11/22/2012US20120293897 Connector with voltage protection function
11/22/2012US20120293893 Semiconductor integrated circuit
11/22/2012DE102011053776A1 LED tube comprises a suppressor diode, varistor, and clamping circuit, and a rectifier unit for providing direct current for LEDs mounted at light-transmissive side of light-permeable cover
11/22/2012DE102010060437B4 Vorrichtung zum Betreiben eines Leuchtmoduls mit Überspannungsschutz Apparatus for operating a lighting module with surge protection
11/22/2012CA2837564A1 Method and system for controlling the turn-on time of a device that includes a magnetic circuit
11/21/2012CN202551203U Singlechip microcomputer power supply management circuit and television constant-current driving plate
11/21/2012CN202551184U Anti-lightning and anti-static dot-matrix type camera
11/21/2012CN202550658U External PT (potential transformer) cabinet used in mine
11/21/2012CN202550542U Weekly current-limiting protection current quality regulating device
11/21/2012CN202550538U Cycle-by-cycle overcurrent limiting protection electric energy quality control device
11/21/2012CN202550534U Comprehensive overcurrent protection power quality control device
11/21/2012CN202550528U Semiconductor spark protection device
11/21/2012CN202550527U Special driver 485 communication circuit for intelligent motor
11/21/2012CN202550526U Over-voltage protection circuit of web camera
11/21/2012CN202550525U Power center overvoltage protective device for coal mine
11/21/2012CN202550524U Equipotential box
11/21/2012CN202550523U Lightning arrester protection device for parallel-connection capacitance compensation device
11/21/2012CN202550522U Single-phase restriking overvoltage lightning arrester protection device of capacitance compensation device
11/21/2012CN202550521U Surge protection terminal
11/21/2012CN202550520U RP integral type power surge protector
11/21/2012CN202550519U Electron breakdown protector
11/21/2012CN202550518U Internal overvoltage protector of low-voltage partition cabinet
11/21/2012CN202550517U Grounding current online monitoring and over-current automatic compensation device for core of transformer
11/21/2012CN202550516U Lightning protection and lightning information recording system of railway goods yard power supply system
11/21/2012CN202550515U High-power IGBT (insulated gate bipolar transistor) comprehensive overcurrent protection circuit
11/21/2012CN202550514U Low-voltage current limiter
11/21/2012CN202550513U Short-circuit current limiting device used for PLC technology
11/21/2012CN202550512U Fault current limiting device for supergrid
11/21/2012CN202550511U Fault current limiter (FCL) device for outlet of line of transformer substation
11/21/2012CN202550510U Small-resistance transformer neutral-point earthing system
11/21/2012CN202550509U Lightning protection device for power supply
11/21/2012CN202550508U Mains supply complementary solar power supply protection system
11/21/2012CN202550507U Electrostatic protection circuit, array substrate and display device
11/21/2012CN202550506U Electronic transformer with function of circuit protection
11/21/2012CN202550375U External PT cabinet for underground coal mine
11/21/2012CN202550248U Over-voltage and over-current protection USB data line
11/21/2012CN202545124U Lightning protection device for protecting microgrid miniature fan
11/21/2012CN102792540A Apparatus and method for electronic circuit protection
11/21/2012CN102790518A Shutoff protective power supply device
11/21/2012CN102790387A Protection device and series compensation system for metal oxide varistor in series compensation
11/21/2012CN102790386A Tower lightning protection method
11/21/2012CN102790385A Grounding current limiting device for transformer core
11/21/2012CN102790382A Current limited soft connecting/disconnecting device
11/21/2012CN102790048A Semiconductor structure of bipolar junction transistor embedded with Schottky diode
11/21/2012CN102012732B Electronic device with circuit for preventing contact sparks
11/21/2012CN101916993B Arc extinction system for power grid
11/21/2012CN101796639B Common gate connected high voltage transient blocking unit
11/21/2012CN101667727B Interface electrostatic protection circuit
11/21/2012CN101593974B Compound overvoltage protection device and application thereof in semiconductor convertor equipment
11/21/2012CN101523683B Distributed electrostatic discharge protection circuit with varying clamp size
11/21/2012CN101515714B Kickback voltage suppression circuit
11/20/2012US8315028 Overcurrent protection apparatus
11/20/2012US8315027 Switch circuit having overcurrent detection function
11/20/2012CA2539202C Two-wire bus instrument
11/15/2012WO2012154134A1 Redundant excess voltage circuit breaker with a rotational disk and with an added electronic assembly intended to extend a life span of an excess -voltage component
11/15/2012WO2012152111A1 Surge protection equipment
11/15/2012WO2012114289A3 Device for protecting electric equipment from overvoltage and lightening
11/15/2012WO2012093042A3 Coil, coil assembly and superconducting fault current limiter
11/15/2012US20120288083 Systems and methods for forming isolated devices in a handle wafer
11/15/2012US20120287547 Snubber circuit
11/15/2012US20120287544 Isolation-type ac fault current limited circuit
11/15/2012US20120287541 Semiconductor integrated circuit device
11/15/2012US20120287540 Circuitry to prevent overvoltage of circuit systems
11/15/2012US20120287539 Electrostatic discharge protection device
11/15/2012US20120287538 Esd protection on high impedance mic input
11/15/2012US20120286667 Led driving circuit and protecting circuit thereof
11/15/2012US20120286589 Circuit and method for interrupting a current flow in a dc current path
11/15/2012US20120286327 Overvoltage and/or electrostatic discharge protection device
11/15/2012DE112010005119T5 Überspannungsableiter mit thermischer Überlastsicherung Surge arresters with thermal overload protection
11/15/2012DE102011075626A1 Apparatus for supplying power to integrated circuit e.g. processor, has controller that controls switch arranged in electric conducting line, depending on ratio between different supply voltages
11/14/2012EP2523296A1 Switch assembly for providing excess voltage protection and method for operating same
11/14/2012EP2523295A1 Frequency inverter with excess voltage protection for an emergency shutdown and method for operating the same
11/14/2012EP2523294A1 Switching assembly for a protection device for electrical assemblies
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