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)
08/2012
08/08/2012CN202373959U Automatic alarm lightning-protection over-voltage and under-voltage protector
08/08/2012CN102629759A Lightning protection clearance type grounding device
08/08/2012CN102629758A Voltage comparator-based drop gate voltage circuit
08/08/2012CN102629757A Centralized low voltage ride through correction system
08/08/2012CN102629756A Diode protection circuit, lnb and antenna system
08/08/2012CN101998764B Matrix MOV circuit board structure and manufacturing method thereof
08/08/2012CN101881982B Voltage stabilizing circuit for preventing overshoot and reference circuit
08/08/2012CN101714760B Low-frequency filter circuit and filtering method for communication equipment
08/08/2012CN101238620B An overvoltage protection module and an assembly of at least one telecommunications module and at least one overvoltage protection module
08/07/2012US8238068 Electrical over-stress detection circuit
08/07/2012US8238067 Electrostatic discharge circuit and method
08/07/2012US8238065 Power cutoff device automatically operated upon occurrence of spark on electric wire
08/07/2012US8237420 Inrush current suppressing circuit and electronic device using the same
08/07/2012CA2365228C Current limiter with electric valves for limiting the short-circuit current in an electric power circuit
08/07/2012CA2340397C A monitor circuit for a current limiting device
08/02/2012US20120194957 Anovel Protection Method Of Direct Currrent Converter Valve Thyristor In Discontinuous Current Mode
08/02/2012US20120194953 Non-linear power management device for input power protection
08/02/2012US20120194952 Controllable electrical outlet and a method of operation thereof
08/02/2012DE102011010180A1 Electronic device i.e. over voltage protecting device, for use in building to protect sensitive equipment against lighting, has capacitor connected with inductors of outer conductors through rectifiers
08/01/2012EP2482085A1 Supply voltage monitor
08/01/2012EP2481138A1 Providing in rush current tolerance to an electronic device
08/01/2012EP1817827B1 Electrostatic discharge protection power rail clamp with feedback-enhanced triggering and conditioning circuitry
08/01/2012CN202364420U Over-voltage and under-voltage protection circuit for AC electrical network for intelligent LED street lamp driver
08/01/2012CN202364364U Electronic product and audio power amplifier thereof
08/01/2012CN202364139U Power circuit of electric energy meter
08/01/2012CN202364138U Power circuit of electric energy meter
08/01/2012CN202363922U Pulse absorbing circuit
08/01/2012CN202363912U Crowbar device for low voltage ride through (LVRT) of double-fed wind power generation system
08/01/2012CN202363899U Primary harmonic eliminator
08/01/2012CN202363898U Anti-strong-current weak-current network
08/01/2012CN202363897U Protection circuit for preventing overshoot and surge
08/01/2012CN202363896U Low voltage electrical network protective device
08/01/2012CN202363895U Brushless motor hall sensor protection circuit
08/01/2012CN202363894U Automotive power protection circuit and power supply with transient voltage interference resistance function
08/01/2012CN202363893U Digital input electromagnetic interference protection circuit
08/01/2012CN202363892U Neutral beam high-voltage pulse power supply LR (Long Range) network buffer
08/01/2012CN202363880U Transformer protective circuit
08/01/2012CN1992491B Power supply device, low voltage circuit breaker and low voltage AC/DC electric system
08/01/2012CN1983470B Overvoltage protection devices including wafer of pressure sensirive varistor material
08/01/2012CN102625517A Isolated type LED light fixture adjustable light power supply
08/01/2012CN102624324A Drive failure protection
08/01/2012CN102624111A Grounding sleeve of generator rotor
08/01/2012CN102623995A Device for generating torsional electromagnetic wave and electric power system employing the same
08/01/2012CN102623985A Novel comprehensive grounding protection and route selection device for medium-voltage power distribution system
08/01/2012CN102623984A System for grounding neutral point in power grid through controllable reactor and resistor in combined manner
08/01/2012CN102623983A Equivalent circuit of ZnO valve in zinc oxide arrester
08/01/2012CN102623982A Three-phase multi-winding transformer coupling type solid current limiter
08/01/2012CN102623981A Conduction type alternating current fault current limiting circuit
08/01/2012CN102623980A Cut-off type alternating current fault current limiting circuit
08/01/2012CN102623979A Isolated alternating current fault current limiting circuit
08/01/2012CN102623978A Protection circuit module and protection circuit architecture
08/01/2012CN102623977A Electronic product
08/01/2012CN102623976A Combined type grounding system of reactor and resistor in power distribution network
08/01/2012CN102623964A Light-emitting-diode (LED) protection circuit
08/01/2012CN102623962A Adaptive lightning-protection surge-protection control circuit
08/01/2012CN102623530A Antistatic photovoltaic connector
08/01/2012CN102623452A Electrostatic protection device and manufacturing process thereof
08/01/2012CN102054840B Static discharge protection device
08/01/2012CN101542855B Overvoltage protection device
07/2012
07/31/2012US8233257 Power supply circuit, overcurrent protection circuit for the same, and electronic device
07/31/2012US8233256 System and method for programming and controlling over current trip point limits in voltage regulators
07/31/2012US8233253 Controlling appratus and controlling method for signal outputing circuit and video system
07/31/2012US8233252 ESD protection circuit for low voltages
07/31/2012US8233250 Over voltage protection of switching converter
07/31/2012US8231751 Repair technique for lightning strike protection
07/26/2012US20120188678 Coaxial In-Line Assembly
07/26/2012US20120188677 Dsl protection circuit
07/26/2012US20120188672 Printed wiring board
07/26/2012US20120188671 T-coil network design for improved bandwidth and electrostatic discharge immunity
07/26/2012US20120188669 Semiconductor integrated circuit
07/26/2012US20120188667 Low Profile Electrical Device Assembly
07/26/2012DE10351873B4 Vorrichtung und Verfahren zum fehlersicheren Abschalten eines induktiven Verbrauchers Apparatus and method for failsafe shutdown of an inductive load
07/25/2012EP2479860A2 Built-in test for an overvoltage protection circuit
07/25/2012EP2479859A1 Safety circuit
07/25/2012EP1952500B1 Device for limiting current of electric appliance
07/25/2012CN202353897U LED light source control circuit
07/25/2012CN202353702U Distributor
07/25/2012CN202353221U High-voltage reactive power compensation cabinet
07/25/2012CN202353213U Series-parallel hybrid passive-power filtering and protecting device
07/25/2012CN202353210U Filtering protection output circuit
07/25/2012CN202353205U Arc extinguishing device of Y-connected reactor
07/25/2012CN202353204U Interval lightning-protection safety protection device
07/25/2012CN202353203U Anti-jamming lightning protection device
07/25/2012CN202353202U Over-voltage protector
07/25/2012CN202353201U Overvoltage suppressing comprehensive protection device
07/25/2012CN202353200U Lightning protection circuit of low-power switch power supply
07/25/2012CN202353199U Lighting-surge-preventing and lighting-preventing device for Ethernet power supply network
07/25/2012CN202353198U Voltage reduction and stabilizing circuit for residual current protector
07/25/2012CN202353197U Anion electromagnetic radiation eliminator
07/25/2012CN202353196U Protection circuit for electronic switch
07/25/2012CN202353195U Differential signal output protection circuit
07/25/2012CN202353194U RC (Remote Control) electronic arc-control device
07/25/2012CN102611309A High-insulation-voltage isolated power supply
07/25/2012CN102611154A Charging circuit with function of inhibiting transient voltage and mobile phone with charging circuit
07/25/2012CN102611093A Static discharging circuit
07/25/2012CN102611092A Mutation overvoltage impedance suppression device for electronic voltage transformer and application of device
07/25/2012CN102611091A Lightning stroke prevention surge test protection circuit for electronic equipment
07/25/2012CN102611090A Capacitance pulse discharging device and capacitance fling-cut switch
07/25/2012CN102611089A Coupled mode solid-state current limiter of single-phase multi-winding transducer
07/25/2012CN102611088A Power-on current-limiting circuit and application circuit of power-on current-limiting circuit
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