Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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02/14/2013 | US20130038977 Spark gap |
02/14/2013 | US20130038975 High voltage dc breaker apparatus |
02/14/2013 | US20130038974 System and Method for Detection of Multiple Current Limits |
02/14/2013 | US20130038973 Over Voltage Protection Circuit and Electronic System for Handling Hot Plug |
02/14/2013 | US20130038970 Surge protected devices and methods for treatment of water with electromagnetic fields |
02/14/2013 | DE102012107276A1 Motorsteuerungsvorrichtung The engine control apparatus |
02/14/2013 | DE102012107275A1 Motorsteuerungsvorrichtung The engine control apparatus |
02/14/2013 | DE102011109920A1 Mechatronisches Steckverbindersystem Mechatronic connector system |
02/13/2013 | EP2556982A1 Discharge device and discharge method for the active discharge of a capacitor for use in the electric power system of an electric drive vehicle |
02/13/2013 | CN202738179U Over-voltage over-current protection module of LED constant current driver |
02/13/2013 | CN202737995U Video processing chip with protection function |
02/13/2013 | CN202737769U High-voltage line suspension electricity-taking apparatus |
02/13/2013 | CN202737768U Voltage-stabilizing power supply adapting commercial power wide range change |
02/13/2013 | CN202737731U High grid overvoltage prevention reliable MOSFET power driving circuit |
02/13/2013 | CN202737536U AC-DC hybrid circuit |
02/13/2013 | CN202737458U Civilian electricity network lightning protector |
02/13/2013 | CN202737457U AC-DC double-purpose power supply |
02/13/2013 | CN202737456U 浪涌防护电路 Surge protection circuit |
02/13/2013 | CN202737455U Surge protection device |
02/13/2013 | CN202737454U Combined matched power supply |
02/13/2013 | CN202737453U Overvoltage protection circuit for coal mine power center |
02/13/2013 | CN202737452U Equipment, system and processor for protecting power supply node from influence of electrostatic discharge |
02/13/2013 | CN202737113U Combined type surge protector connection structure |
02/13/2013 | CN202736918U Packaging wafer integrating signal isolation transformers and protection elements |
02/13/2013 | CN102934309A Superconducting fault current-limiter with variable shunt impedance |
02/13/2013 | CN102931651A Distributed arc suppression coil controller device based on optical fiber communication |
02/13/2013 | CN102931650A 过电压保护监测器 Overvoltage protection monitors |
02/13/2013 | CN102931649A Novel lightning protection device |
02/13/2013 | CN102931648A Bus residual voltage holding device |
02/13/2013 | CN102931647A Surge current suppression circuit and lamp |
02/13/2013 | CN102931646A 电路保护器件及其制作方法 Circuit protection device and manufacturing method thereof |
02/13/2013 | CN102931645A Ground wire live protection circuit and method and air conditioner provided with circuit |
02/13/2013 | CN102931631A Output earth leakage protection device for high-voltage and direct-current power supply system |
02/13/2013 | CN102931592A Lightning-protection power distribution cabinet |
02/13/2013 | CN102361321B 110/220 kV transformers' neutral point grounding via small reactance |
02/13/2013 | CN102105950B Surge arrestor arrangement comprising an arrestor current path with a plurality of arrestor columns |
02/13/2013 | CN101771272B Over current protection circuit |
02/13/2013 | CN101567510B Novel electric leakage protection socket |
02/12/2013 | US8373958 Combined power meter and outlet device |
02/12/2013 | US8373956 Low leakage electrostatic discharge protection circuit |
02/12/2013 | US8373955 Electrostatic discharge protection devices |
02/12/2013 | US8373954 Composite electronic device and digital transmission circuit using thereof |
02/12/2013 | US8373953 Distribution of electrostatic discharge (ESD) circuitry within an integrated circuit |
02/12/2013 | US8373951 Universal serial bus protection circuit |
02/08/2013 | DE202012012287U1 Überspannungsschutzelement An overvoltage protection element |
02/07/2013 | WO2013019284A2 Circuit interrupter with improved surge suppression |
02/07/2013 | WO2013018972A1 Over-current protection device of secondary battery, protection method thereof, and battery pack thereof |
02/07/2013 | WO2013018072A2 Emulator device for emulating a variable impedance and a system for controlling and regulating the state of a neutral conductor in a polyphase system comprising such a device |
02/07/2013 | WO2013017159A1 Current limiter |
02/07/2013 | WO2013017110A1 High efficiency power regulator and method |
02/07/2013 | US20130033794 Overcurrent protection apparatus for secondary battery, protection method and battery pack |
02/07/2013 | US20130033788 Systems and methods for automatically re-routing power |
02/07/2013 | DE102012106808A1 Ausfallsichere galvanische trennbarriere Fail-safe galvanic separation barrier |
02/07/2013 | DE102011080436A1 Mobile Generatorvorrichtung und Schutzeinrichtung hierfür Mobile generator apparatus and protective device therefor |
02/07/2013 | DE102011080411A1 Überspannungsschutzvorrichtung mit Spulenanordnung Overvoltage protection device with coil assembly |
02/06/2013 | EP2555004A1 Supply voltage monitor |
02/06/2013 | CN202721441U 10kV overvoltage protector |
02/06/2013 | CN202721440U Zero loss current device deeply restricting short trouble |
02/06/2013 | CN202721439U Car light dimming motor blockage protection circuit |
02/06/2013 | CN102918756A Method for operating an inverter |
02/06/2013 | CN102918619A Magnetizing inrush current suppression device |
02/06/2013 | CN102916816A Lightning-proof router of digital subscriber line |
02/06/2013 | CN102916421A Transformer protection mechanism |
02/06/2013 | CN102916420A Circuit for preventing PWM chip from error protection |
02/06/2013 | CN102916419A Power supply surging protector with automatic arc breakage device and protection method for same |
02/06/2013 | CN102916418A Lightning protection and alarm structure |
02/06/2013 | CN102916417A Intra-tower current transformer distributed arrangement structure applied to wind power generator set |
02/06/2013 | CN102916416A Protective device for secondary oil gas sealing space discharge and use method and application thereof |
02/06/2013 | CN102916415A Arc fault protective switch with excess voltage protection |
02/06/2013 | CN102916414A Direct current and alternating current limiting device |
02/06/2013 | CN102916413A Lightning frequency impedance control unit |
02/06/2013 | CN102916412A Series-connection escape circuit for battery/capacitor bank |
02/06/2013 | CN102916411A Surge current suppression circuit |
02/06/2013 | CN102916410A Iron core discharging automatic protection method for transformer of electrical power system |
02/06/2013 | CN102916393A Solar battery protector, solar battery pack and solar battery protective chip |
02/06/2013 | CN101908759B ESD (Electrostatic Discharge) clamp circuit |
02/06/2013 | CN101728821B Systems and methods for discharging bus voltage using semiconductor devices |
02/06/2013 | CN101674024B Direct-current power supply circuit |
02/05/2013 | US8369114 Power supply with output overcurrent detection and error latch protection |
02/05/2013 | US8369053 Discharge protection apparatus and method of protecting an electronic device |
01/31/2013 | WO2013014351A1 System for monitoring a rectifier for charging a battery of an electric automobile |
01/31/2013 | US20130027829 System and method for protecting an electrical grid against faults |
01/31/2013 | US20130027825 Methods and apparatus related to an inductive switching test |
01/31/2013 | US20130027824 Semiconductor device |
01/31/2013 | US20130027823 Electric apparatus with esd protection effect |
01/31/2013 | US20130027822 Circuits including a diode string comprised of bipolar stages having an adjustable pseudo beta for esd protection |
01/31/2013 | US20130027821 Electrostatic discharge protection circuit |
01/31/2013 | US20130027820 Electrostatic discharge protection device having an intermediate voltage supply for limiting voltage stress on components |
01/31/2013 | US20130027819 Circuit interrupter with improved surge suppression |
01/31/2013 | US20130027815 Adjacent terminal fault detection |
01/31/2013 | US20130025494 Switching ground tether circuit |
01/31/2013 | DE102011108547A1 Inductive current limiter for electricity network, has conductors non-electrically closed, where ends of conductors are joined with each other and connected with isolator such that conductors are supplied with defined breakdown voltage |
01/31/2013 | DE102011052135A1 Method for controlling vacuum pump in braking system of motor vehicle, particularly electric vehicle or hybrid vehicle, involves supplying power in electric motor by power supply device for driving rotor of vacuum pump |
01/30/2013 | EP2551907A1 Semiconductor device |
01/30/2013 | EP2550715A1 Method and apparatus for suppressing an inrush current of a trans former |
01/30/2013 | CN202713832U Surge protective device easy to assemble and disassemble |
01/30/2013 | CN202713356U Interface circuit realizing over-voltage and over-current protection and electronic device |
01/30/2013 | CN202713222U Micro hybrid power vehicle BSG motor control system |
01/30/2013 | CN202712847U Triple single-phase tandem type surge protective device |
01/30/2013 | CN202712846U Three-phase multi-stage protection compound type surge protective device |