Patents
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
03/2014
03/19/2014CN203491882U Lightning protection circuit of switching power supply
03/19/2014CN203491719U Thermal electric power system
03/19/2014CN203491694U Wind field booster system main transformer
03/19/2014CN203491693U Lightning protection circuit for router
03/19/2014CN203491692U Novel base station lightning protection circuit
03/19/2014CN203491691U Lightning protection nanometer magnetic choke
03/19/2014CN203491690U An anti-open-circuit current transformer protector
03/19/2014CN203491689U Rapid self-discharge circuit of explosion-proof inverter DC (Direct Current) bus
03/19/2014CN203491688U Safety circuit of dangerous place field control device
03/19/2014CN203491687U Input protection circuit applied to LM1815 chip
03/19/2014CN203491686U Lightning protection device for overhead transmission line
03/19/2014CN203491684U Low-voltage power transformation operation safety protection device
03/19/2014CN203490273U On-line monitoring system for earth current of transformer iron core
03/19/2014CN103650279A Surge protection device
03/19/2014CN103647268A Selection method of 110 kV power distribution network neutral resistor
03/19/2014CN103647267A High-capacity double-adjustment turn-adjusting arc-extinguishing coil
03/19/2014CN103647266A Device and method for restraining extra-high-voltage main transformer no-load closing electromagnetic transient problems
03/19/2014CN103647265A Integrated circuit full-chip electro static discharge protection method and circuit
03/19/2014CN103647264A Strong coupled type power failure current limiter
03/19/2014CN102138265B Assembled battery, and control system for the assembled battery
03/19/2014CN101728826B An input surge protection device using JFET
03/18/2014US8675330 Safety switching device for setting a safety-related device to a safe state
03/18/2014US8675324 Short-circuit isolator
03/18/2014US8675323 Method of manufacturing a package
03/18/2014US8675322 Electrostatic discharge protection device
03/18/2014US8675320 Overcurrent detection circuit and overcurrent detection method
03/13/2014US20140071573 Electrical Load Controller with Neutral Detection
03/13/2014US20140071568 DC Power Source Isolation with Diode and Bypass Switch
03/13/2014US20140071567 Semiconductor device
03/13/2014US20140071566 Overvoltage protection for multi-chip module and system-in-package
03/13/2014US20140071384 Electrostatic discharge arrangement for an active matrix display
03/13/2014US20140071109 Electrostatic discharge protection circuit and display apparatus using the same
03/13/2014DE112011105340T5 Thermische Metalloxidvaristor-Schaltungsschutzeinrichtung Thermal metal-oxide-circuit protection device
03/13/2014DE102012216185A1 Begrenzerschaltung für einen Halbleitertransistor und Verfahren zum Begrenzen der Spannung über einen Halbleitertransistor Limiter circuit for a semiconductor transistor and method for limiting the voltage across a semiconductor transistor
03/12/2014EP2706639A1 Surge protection circuit
03/12/2014EP2706638A1 Protective device for LC filter
03/12/2014EP2705587A1 Method for controlling a current-interrupting device in a high-voltage electrical network
03/12/2014CN203482089U Current limiting circuit
03/12/2014CN203481916U Novel high voltage line CT electricity taking device
03/12/2014CN203481818U Network lightning protection system with novel port structure
03/12/2014CN203481817U Novel video signal lightning protection system
03/12/2014CN203481816U IGBT Miller effect-removing device
03/12/2014CN203481815U Integrated overvoltage protection device for high-voltage system
03/12/2014CN203481814U Anti-misoperation lockout power panel
03/12/2014CN203481813U Alternating-direct-current power source voltage stabilization and protection circuit
03/12/2014CN203481812U Novel 100M network lightning protection device
03/12/2014CN203481811U Gigabit network lightning protection device
03/12/2014CN203481810U Overvoltage protector
03/12/2014CN203481809U Quarter-wavelength lightning protection device of micro-strip circuit board type
03/12/2014CN203481808U Lightning protection circuit protecting RS232 communication signal
03/12/2014CN203481807U LED lamp adapter anti-surge circuit
03/12/2014CN203481806U Magnetic resistance current limiter
03/12/2014CN203481805U Electric reactor
03/12/2014CN203481782U Short circuit protection device for power frequency current and lightning surge automatic selection channel
03/12/2014CN203480971U Lightning arrester for protecting 110KV cables
03/12/2014CN203480662U Household water-accumulation notification equipment
03/12/2014CN203480661U Mixed-type water accumulation prompting device
03/12/2014CN203480615U Novel shooting and recording antitheft device
03/12/2014CN203475978U Magnetic starting video-recording protector
03/12/2014CN103636092A Static surge protection device
03/12/2014CN103636091A Superconducting fault current limiter recovery system
03/12/2014CN103633637A Electrostatic discharge protection circuit and protection method
03/12/2014CN103633636A Lightning arrester degradation protection device
03/12/2014CN103633635A Comprehensive lightning protection method for broadcasting and TV stations
03/12/2014CN103633634A Overvoltage protection circuit
03/12/2014CN103633633A Restraining method of startup input inrush current of power supply
03/12/2014CN103633632A Saturated bridge type short circuit fault current limiter
03/12/2014CN102904240B Suppression method for secondary arc of super/ultra high voltage transmission line
03/12/2014CN102404903B Lamp driving device
03/12/2014CN102299512B High-capacity capacitor overvoltage protection circuit adopting BOD (bistable optical device) element
03/12/2014CN102280870B Switching circuit board and protection method thereof
03/12/2014CN102204053B Multi-staged overvoltage protection circuit
03/12/2014CN102074958B Thyristor valve controlled type controllable paralleling reactor device configured with parallel valve branches
03/12/2014CN102074949B Integrated protecting circuit for resisting peak surge, operation, resonance and lightning strike over-voltage
03/12/2014CN102074943B Current limiting protection device and power supply
03/12/2014CN102074428B 开关模块 Switch Modules
03/12/2014CN102064555B Chain type STATCOM (Static Synchronous Compensator) chain unit bypass structure with mechanical switch
03/12/2014CN102055181B Switching tube protection circuit
03/12/2014CN102044866B Electrical-overstress protection circuit for integrated circuit
03/12/2014CN102035195B Automatic ground protective device for light rail garage power and control method thereof
03/12/2014CN101984532B Thyristor dv/dt protection method
03/12/2014CN101771270B 故障限流器 Fault current limiter
03/11/2014US8670219 High-voltage devices with integrated over-voltage protection and associated methods
03/07/2014CA2825504A1 Method and systems for operating a wind turbine using dynamic braking in response to a grid event
03/06/2014WO2014032965A1 Protection circuit and method for protecting a circuit
03/06/2014US20140066315 Superconductive device without an external shunt system, in particular with a ring shape
03/06/2014US20140063672 System for supplying direct current and dc voltage protected by a current limiter, and method for protecting same
03/06/2014US20140063665 Multiple Device Voltage Electrostatic Discharge Clamp
03/06/2014US20140063664 Ground Controlled Outlet
03/06/2014US20140063663 Power-rail electro-static discharge (esd) clamp circuit
03/06/2014DE102012108105A1 Schutzschaltung und Verfahren zum Schutz einer Schaltung Protection circuit and method for protecting a circuit
03/05/2014EP2702655A1 Method and apparatus for clearing a fuse in a single output multi load configuration
03/05/2014CN203466565U Breakage protective circuit for serially-connected energy module connecting pieces based on diodes
03/05/2014CN203466003U Automatic safe discharging device used for demagnetization equipment
03/05/2014CN103620940A Power conversion device
03/05/2014CN103620703A Thermal metal oxide varistor circuit protection device
03/05/2014CN103618331A Direct-current overvoltage current limiting control method of flexible HVDC convertor station
03/05/2014CN103618304A Combined high-power-capacity overvoltage protector
03/05/2014CN103618303A Vehicle-mounted terminal protection circuit
03/05/2014CN103618302A Ethernet Zener type guard grating application
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