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)
10/2012
10/31/2012CN102761131A Low-voltage side boosting reactive power compensation and filtration device of ore furnace
10/31/2012CN102761119A Reference pressure-variable arc-suppression coil tracking tuning control method
10/31/2012CN102761118A Lightning protection method and lightning protection device of ground-connection-free communication device with equipotential connection
10/31/2012CN102761117A Steel rail potential protector and working method thereof
10/31/2012CN102761116A Triple suppression circuit of power grid abnormity
10/31/2012CN102761115A Electrostatic discharge protection circuit
10/31/2012CN102761114A Surge current suppression circuit
10/31/2012CN102761113A Overcurrent control protector for RL circuit
10/31/2012CN102761112A Systems and methods for testable current limiting with hiccup reset
10/31/2012CN102761111A Novel protection circuit control device
10/31/2012CN102761110A 供电延迟电路 Power delay circuit
10/31/2012CN102761109A Power management circuit and high voltage device therein
10/31/2012CN102760731A Static protective structure
10/31/2012CN102097990B Motor controller circuit
10/30/2012US8301312 Fault situation processing arrangement of a load distribution system of a local electric power transmission network
10/30/2012US8300379 High-voltage insulator and a high-voltage electric power line using said insulator
10/30/2012US8300377 Swell sustaining transient voltage surge suppressor
10/30/2012US8300376 Temperature protection circuit
10/30/2012US8300374 Method for limiting current and circuit therefor
10/30/2012US8300373 Voltage triggered transient blocking unit
10/30/2012US8300372 Apparatus, system, and/or method for protection and control of an electrical device
10/30/2012US8300371 Electrostatic discharge protection circuit and electronic device using the same
10/30/2012US8300370 ESD protection circuit and circuitry of IC applying the ESD protection circuit
10/30/2012US8300368 Circuit interrupting device with end-of life testing, reverse wiring and high voltage surge capability
10/30/2012CA2619724C System and method for limiting ac inrush current
10/26/2012WO2012143871A1 Surge protection device
10/26/2012WO2012142770A1 Providing power to dual radio modems
10/25/2012US20120268853 Protection circuit
10/25/2012US20120268850 Overvoltage protection element
10/25/2012US20120268849 Semiconductor device
10/25/2012US20120268848 Electrostatic discharge protection circuit
10/25/2012DE102011007874A1 Vorrichtung und Verfahren zum Starten eines in einem Fahrzeug angeordneten Verbrennungsmotors Apparatus and method for starting a arranged in a vehicle internal combustion engine
10/25/2012DE102010050764B4 ESD-Schutzschaltung ESD protection circuit
10/25/2012DE102010033179B4 Elektrische Schaltungsanordnung für ein Überspannungsgerät und ebensolches Überspannungsschutzgerät Electrical circuit arrangement for a surge device and just such a surge protection device
10/24/2012EP2515613A2 Sted-down converter for LEDs with inrush current limiting circuit
10/24/2012EP2515334A1 ESD protection circuit
10/24/2012EP2513942A1 Assembly for protecting against power surges
10/24/2012CN202503807U Surge protector printed circuit according with RS422 or RS485 communication protocols
10/24/2012CN202503806U Surge protector printed circuit according with RS232 communication protocols
10/24/2012CN202503805U Surge protector printed circuit of simulation/data signals
10/24/2012CN202503288U Occasion structure of direct current transmission system
10/24/2012CN202503287U Device for isolating neutral point direct current of transformer
10/24/2012CN202503286U Three-phase combined type overvoltage protector
10/24/2012CN202503285U Multifunctional power lightning protection module based on ordinary tin solder tripping point
10/24/2012CN202503284U Capacitance-type direct current inhibiting device
10/24/2012CN202503283U Direct current inhibiting device for transformer
10/24/2012CN202503282U Resistor-type direct current inhibiting device
10/24/2012CN202503281U Neutral point current limiting device
10/24/2012CN202503280U Current-mode reverse current injection device
10/24/2012CN202503279U Direct current limiting device for neutral point of main transformer
10/24/2012CN202503278U Converter transformer neutral point compensation direct current apparatus
10/24/2012CN202503277U Short-circuit current limiting device
10/24/2012CN202503276U Double grounding end video image interference resistance type video signal three-in-one lightning protection device
10/24/2012CN202503275U Radio station high standing wave protection device
10/24/2012CN202502217U Switching circuit board
10/24/2012CN202502112U Switching circuit board
10/24/2012CN102752915A Car lamp turning on control strategy for inhibiting instantaneous surge current based on ambient temperature
10/24/2012CN102751861A Bridgeless power factor correction circuit
10/24/2012CN102751713A Transient protection system of mobile communication base station based on thunder-and-lightning import port
10/24/2012CN102751712A Single-phase grounding fault line detection method for 10kV feeder line of transformer substation
10/24/2012CN102751711A Motor controller discharging safety device for hybrid electric vehicle
10/24/2012CN102751710A Novel magnetic shielding air-core transformer coupling bridge type solid state fault current limiter
10/24/2012CN102751709A Protection circuit
10/24/2012CN102290417B Transient voltage suppressor based on DTSCR (Dual Triggered Silicon Controlled Rectifier)
10/23/2012US8295023 System and method for detection of multiple current limits
10/23/2012US8295021 Overcurrent protection apparatus for load circuit
10/23/2012US8295020 Electronic circuit
10/23/2012US8295018 Transmission-line-based ESD protection
10/18/2012WO2012142201A1 Fault current limiter system with current splitting device
10/18/2012WO2012140033A1 Two-stage shut-off device
10/18/2012WO2012139167A1 A fault current limiter
10/18/2012US20120264613 Fault Current Limited System with Current Splitting Device
10/18/2012US20120262831 Fault current limiter
10/18/2012US20120262830 Sentinel unit for an it electrical distribution system having a floating reference conductor
10/18/2012US20120262829 Protection device against electromagnetic interference
10/18/2012US20120262828 Clamp based esd protection circuits
10/18/2012US20120262827 Semiconductor device, dc-dc converter, and protective element
10/18/2012US20120262826 Directing the Flow of Electrostatic Discharge (ESD) Current to a Targeted Impedance Using Nested Plates
10/18/2012US20120262302 Power plug with safety protection
10/17/2012CN202495873U Power supply circuit and television
10/17/2012CN202495789U Commercial power complementary solar energy controller protection system
10/17/2012CN202495763U Combined-type integrated surge protector for network monitoring
10/17/2012CN202495762U EMI filter capacitor discharging circuit and controller
10/17/2012CN202495761U Capacitor constant power discharge circuit
10/17/2012CN202495760U Current transformer secondary side overvoltage protection device
10/17/2012CN202495759U Over voltage protection device with wireless monitoring system
10/17/2012CN202495758U Uninterrupted surge voltage stabilizer
10/17/2012CN202495757U Impulse current limiting circuit and corresponding chopping dimming system thereof
10/17/2012CN202495749U Power source protection circuit
10/17/2012CN202495641U Energy-saving automatic shut-off protection control socket
10/17/2012CN102742101A RF coaxial surge protectors with non-linear protection devices
10/17/2012CN102741953A Improved fault current limiter with saturated core
10/17/2012CN102741947A Granular non-polymeric varistor material, substrate device comprising it and method for forming it
10/17/2012CN102738785A Discharge module of overvoltage protector
10/17/2012CN102738784A Drive protecting circuit for plasma display panel module
10/17/2012CN102738783A Connecting circuit for absorbing power grid overvoltage by utilizing capacitors of reactive compensation devices
10/17/2012CN102738782A Esd protection circuit for semiconductor integrated circuit
10/17/2012CN102738781A Overvoltage protection circuit, IC chip and overvoltage protection method
10/17/2012CN102738780A Method of optimal configuration of superconducting fault current limiter based on sensitivity technology
10/17/2012CN102738774A Overvoltage protection capacitor device
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