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)
10/2013
10/23/2013CN103370845A Electronic device and protection element therefor, for use in potentially explosive areas
10/23/2013CN103369809A Anti-static electrical device and protective circuit thereof
10/23/2013CN103368168A Automatic switching transformer direct-current magnetic bias inhibiting device and control method thereof
10/23/2013CN103368167A Single-phase earth fault fundamental current full compensation device and method
10/23/2013CN103368166A Method for realizing coal mine high-voltage power grid selective electric leakage protection along zero sequence total current power direction
10/23/2013CN103368165A Arc elimination and harmonic elimination and overvoltage protector
10/23/2013CN103368164A Anti-lightning circuit, switching power supply and anti-lightning method
10/23/2013CN103368163A A surge protection circuit and a surge protector
10/23/2013CN103368162A Generator rotor ground protection method through voltage division by using resistor
10/23/2013CN103368161A Switch device with over-voltage protection
10/23/2013CN103368160A Clamping circuit
10/23/2013CN103368159A Method and system for lightning protection with distributed transient voltage suppression
10/23/2013CN103368158A Selective current pump using high-tension apparatus to enhance low-tension ESD clamping
10/23/2013CN103368157A 浪涌保护装置 Surge protection devices
10/23/2013CN103368156A Modularized saturation iron core superconductive current limiter and control method thereof
10/23/2013CN103368155A Capacitance DC (Direct Current) blocking on-off controllable bridge circuit for inhibiting DC magnetic bias of transformer
10/23/2013CN103367357A Low voltage ESD clamping using high voltage devices
10/23/2013CN103367354A Elastic-static discharge (ESD) protective circuit structure improving total harmonic distortion (THD) of high-speed analog-to-digital converter
10/23/2013CN102411321B Direct control type electric appliance energy-saving monitoring device
10/23/2013CN102195288B Active tuning type hybrid filter and control method of active tuning
10/23/2013CN102130447B Thyristor controlled short circuit current limiter
10/22/2013US8564921 Fault current limiter with shield and adjacent cores
10/22/2013US8564919 Dimmer circuit with overcurrent detection
10/22/2013US8564917 Integrated circuit having electrostatic discharge protection
10/22/2013US8564914 Fault clearing without a DC backup power source
10/22/2013US8564913 Driving device for semiconductor element
10/17/2013US20130271890 Compact transient voltage surge suppression device
10/17/2013US20130271883 Integrated circuit protection during high-current esd testing
10/17/2013US20130271881 Protective circuit in a windscreen wiper drive and windscreen wiper drive
10/16/2013EP2649695A1 Surge arrester arrangement having at least one varistor dissipation element
10/16/2013EP2649631A1 Thermal separating device
10/16/2013CN203243355U Network signal coupling and lightning protecting circuit
10/16/2013CN203243037U Branching device circuit having lightning protection and filtering effect simultaneously
10/16/2013CN203243036U Branching device circuit having filtering effect
10/16/2013CN203243035U MOS with surge peak absorption
10/16/2013CN203243034U Camera with electrostatic protection function
10/16/2013CN203243033U Power supply protection circuit
10/16/2013CN203243032U Anti-overshoot protection circuit for power supply, and mobile terminal
10/16/2013CN203243031U Short circuit protection system for preventing human body from getting electric shock mistakenly
10/16/2013CN203242856U USB connector and electronic product
10/16/2013CN103354357A Non-grounded antenna-feed anti-surge device used for node of wireless sensor
10/16/2013CN103354356A Intelligent reactor circuit
10/16/2013CN103354145A Sectional type winding structure of superconducting fault current limiter
10/16/2013CN102035194B Electrostatic discharge protection system
10/16/2013CN101931256B Charger of uninterrupted power supply and uninterrupted power supply using same
10/16/2013CN101872967B IGBT (Insulated Gate Bipolar Transistor) breakdown protection circuit
10/15/2013US8559155 Directing the flow of electrostatic discharge (ESD) current to a targeted impedance using nested plates
10/15/2013US8559153 Circuit configuration for the joint pulse width modulation of valves with quenching
10/15/2013US8559151 Enhanced charger over voltage protection FET
10/15/2013US8559150 Electric circuit breaker
10/15/2013US8559144 ESD clamp with auto biasing under high injection conditions
10/15/2013US8559142 DC power supply insulation fault detection circuit
10/15/2013US8558520 Bus driver for avoiding an overvoltage
10/15/2013CA2772219C Method and apparatus for protecting power systems from extraordinary electromagnetic pulses
10/10/2013WO2013149575A1 Lightning protection circuit, switching power supply and lightning protection method
10/10/2013US20130265687 Circuit protection device
10/10/2013US20130265679 Overvoltage Protection for Electrically Conductive Structures
10/10/2013US20130265678 Electronic apparatus
10/10/2013US20130265677 Driver-based distributed multi-path esd scheme
10/10/2013US20130265676 Power clamp for high voltage integrated circuits
10/10/2013DE112008002966T5 Hochspannungs-Sättigungskern-Fehlstrom-Begrenzer High voltage saturation core fault current limiter
10/10/2013DE102012222782A1 Switching device i.e. safety switch, for switching supply network voltage for protecting electric circuit, has switching element including minimum voltage strength smaller than total minimum voltage strength between switching contacts
10/10/2013DE102012107080B3 Stufenschalter Tap changer
10/09/2013EP2648109A1 Hot swapping swap media at a computing device
10/09/2013EP2647051A1 Electrical component of a current limiter for protecting an electrical power supply
10/09/2013CN203233405U Surge-protection radio
10/09/2013CN203233178U Novel voltage transformer of electric power system
10/09/2013CN203233177U Branching device circuit with capability of lightning protection
10/09/2013CN203233176U Anti-lightning protector
10/09/2013CN203233175U Interference-protection circuit for radio port
10/09/2013CN203233174U Lightning protector applicable to high-voltage environment
10/09/2013CN203233173U 雷电保护电路 Lightning protection circuit
10/09/2013CN203233172U Set-top box with function of lightning protection
10/09/2013CN203233171U Interference-protection MP4 player
10/09/2013CN203233170U Surge protection circuit
10/09/2013CN203233169U Interference-protection circuit for port of electronic product
10/09/2013CN203233168U Lighting-stroke protection and surge-protection circuit with simple structure
10/09/2013CN203233167U USB flash disk with lightning-protection function
10/09/2013CN203233166U Anti-surge protector for radio
10/09/2013CN203233165U Starting-up surge-protection circuit for camera
10/09/2013CN203233164U Lightning-protection circuit for data read-write port
10/09/2013CN203233163U Equipment cabinet air conditioner with power supply lightning protection function
10/09/2013CN203233162U Surge protection device
10/09/2013CN203233161U Mobile phone with surge protection and electrostatic protection
10/09/2013CN203233160U MP4 player with electrostatic protection and surge protection
10/09/2013CN203233159U MP3 player with electrostatic protection and surge protection
10/09/2013CN203233158U Circuit with surge protection and electrostatic protection
10/09/2013CN203231469U Cabinet air conditioner having communication interface lightning protection function
10/09/2013CN103346550A Voltage surge protection circuit of battery management system suitable for electric car
10/09/2013CN103346549A Two-level-type balancing circuit for super capacitor module
10/09/2013CN103346548A Discharging monitoring and protecting circuit on high-voltage ion purifier
10/09/2013CN103346547A Anti-thunder overvoltage protection device
10/09/2013CN103346546A Lightning protection circuit used for remote measurement terminal
10/09/2013CN103346545A Telemetering terminal electrostatic protection circuit
10/09/2013CN103346533A Circuit structure with protection function
10/09/2013CN103346531A Bidirectional breaking-based mixing type circuit breaker
10/09/2013CN103346530A Telemetering terminal protection circuit
10/09/2013CN102185302B Built-in LPS (lightning protection system)
10/09/2013CN102170122B Power grid capacitive current online automatic tracking and monitoring device and tuning method thereof
10/08/2013US8553384 Fault current limiter
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