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