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)
12/2012
12/26/2012CN202633932U Lighting surge absorbing circuit applied to intelligent leakage comprehensive protector
12/26/2012CN202633931U Power supply processing circuit applied to intelligentized electricity leakage comprehensive protector
12/26/2012CN202633930U Simple and practical switching value protective circuit
12/26/2012CN202633929U Surge protection device
12/26/2012CN202633928U Lightning protection power secondary system
12/26/2012CN202633927U Surge current inhibition circuit and LED (light-emitting diode) dimming system thereof
12/26/2012CN202633926U Protector for voltage transformers
12/26/2012CN202633317U Semiconductor arrester with protective casing
12/26/2012CN202629535U Anti-glide fixed-gap overvoltage protector mounting support
12/26/2012CN102843801A Light-emitting diode (LED) road lamp device additionally provided with lightning arrester
12/26/2012CN102843049A Rectifier voltage regulator for motorcycles
12/26/2012CN102842983A Grounding device of self-blowing air-cooled variable-frequency motor
12/26/2012CN102842967A Power transmission line self-power collecting device
12/26/2012CN102842903A Power over Ethernet system and surge protection device thereof
12/26/2012CN102842902A Oxygen pump protection circuit of nitrogen-oxygen sensor
12/26/2012CN102842901A Protection system
12/26/2012CN102842900A Power supply circuit of crane
12/26/2012CN102842899A Overcurrent protection device of starter and starter
12/26/2012CN102842898A Electrostatic discharge protection circuit
12/26/2012CN102157927B Overvoltage protection circuit of engine
12/26/2012CN101950942B Short-circuit protection and anti-lightning circuit for plasma equipment
12/26/2012CN101902135B Three-phase four-wire switching power supply with high zero-line judgment efficiency
12/26/2012CN101666826B Overvoltage online monitoring device based on dual time base sampling technology
12/26/2012CN101594047B Simple power-on surge suppression circuit
12/25/2012US8340829 Method and apparatus of detecting and compensating for DC residual fault currents on electrical systems
12/25/2012US8339759 Relocatable power tap with surge protector
12/25/2012US8339758 Transient voltage suppressor and method
12/25/2012US8339757 Electrostatic discharge circuit for integrated circuit with multiple power domain
12/21/2012CA2743892A1 Dc power supply insulation fault detection circuit
12/20/2012WO2012171995A1 Fast bypass device
12/20/2012WO2012171891A1 Triggering circuit for thyristor and fast bypass device
12/20/2012WO2012171221A1 Thermal metal oxide varistor circuit protection device
12/20/2012US20120320476 High-voltage devices with integrated over-voltage protection and associated methods
12/20/2012CA2778712A1 Surge arrester and gas-insulated electric apparatus
12/19/2012EP2535995A2 Overcurrent limiting for high side solenoid switch controls
12/19/2012CN202617404U Integrated circuit having open-circuit alternating function and electrostatic and surge protection function
12/19/2012CN202617264U Power source circuit of flat-panel television
12/19/2012CN202616886U Voltage boosting energy storage circuit with overvoltage protection function
12/19/2012CN202616770U Pre-adjusted arc suppression coil compensation complete equipment
12/19/2012CN202616769U Intelligent alternating current power distribution lightning protection device for communication base station
12/19/2012CN202616768U SPD (surge protection device) of LED (light emitting diode) illumination power supply
12/19/2012CN202616767U Intelligent comprehensive arc-extinction resonance-elimination overvoltage protection optimizing device
12/19/2012CN202616766U Solar energy power generating system over-voltage protection device
12/19/2012CN202616765U Gigabit Ethernet power supply overvoltage protector
12/19/2012CN202616764U A protective circuit integrating over-voltage, under-voltage, and over-current protection
12/19/2012CN202616763U Switch current limiter
12/19/2012CN202616762U Direct current magnetic bias restraining device of transformer
12/19/2012CN202616761U Thyristor module protection device
12/19/2012CN202616758U Over-voltage protective equipment of current mutual inductor
12/19/2012CN202616607U Overvoltage protection and PT resonance elimination optimizing device
12/19/2012CN102834994A Method and apparatus for suppressing an inrush current of a transformer
12/19/2012CN102833917A LED constant-current control circuit and LED liquid crystal television
12/19/2012CN102832610A Control device and method for preventing voltage fluctuation and tripping of electric network of heating medium circulating pump
12/19/2012CN102832609A Static conduction device
12/19/2012CN102832608A Circuitry to prevent overvoltage of circuit systems
12/19/2012CN102832607A Quick bypass device
12/19/2012CN102832606A Integral insulation thermal isolation structure of high-voltage superconducting fault current limiter
12/19/2012CN102832605A Anti-interference electricity system and control method based on SFCL (superconducting fault current limiter) and super capacitance energy storage
12/19/2012CN102832604A Over-current protection element
12/19/2012CN102832593A Electric leakage detection protection circuit with lightning impulse preventing/resisting function
12/19/2012CN102832592A Electric leakage detection protection circuit with lightning impulse preventing/resisting function
12/19/2012CN102832591A Electricity leakage detecting protection circuit with function of lightning impulse resistance
12/19/2012CN102832587A RS485 bus/node protector and method thereof
12/19/2012CN101752853B Surge protection circuit, local area network connector and network module
12/19/2012CN101707363B Electrostatic damage protection circuit having real-time detection function, and control method thereof
12/18/2012US8335068 Voltage surge and overvoltage protection using prestored voltage-time profiles
12/18/2012US8335067 Voltage surge and overvoltage protection with sequenced component switching
12/18/2012US8335064 ESD clamp adjustment
12/18/2012US8335062 Protective device for an electrical supply facility
12/18/2012US8335061 Protection circuit, resonant converter including the protection circuit, and protecting method of the resonant converter
12/18/2012US8335060 Hybrid fault current limiter
12/18/2012CA2685525C Industrial process field device with improved battery assembly
12/13/2012WO2012170345A1 Superconducting fault current limiter recovery system
12/13/2012US20120316070 Superconducting Fault Current Limiter Monitoring
12/13/2012US20120316069 Supoerconducting fault current limiter recovery system
12/13/2012US20120314328 Esd protection device
12/13/2012US20120314327 Dc power supply insulation fault detection circuit
12/13/2012DE102011103619A1 Vorrichtung zur Strombegrenzung A device for current limitation
12/13/2012DE102007024064B4 Strombegrenzungs-System, Schaltung und Verfahren zur Strombegrenzung Current limiting system, circuit and method for limiting the current
12/13/2012DE102007017543B4 Verfahren zur Entfernungsortung von Erdschlüssen A method for removing locating ground faults
12/12/2012EP2532088A2 Circuit assembly for overvoltage limiting of an excitation coil of a synchronous machine having fast de-excitation
12/12/2012EP2532063A1 Improved ground detection circuit and method of manufacturing the same
12/12/2012EP2532016A1 Device for limiting current having variable coil impedance
12/12/2012DE202012011312U1 Überspannungsschutzeinrichtung, bestehend aus mindestens einer Varistorscheibe mit Durchgangsloch Overvoltage protection device comprising at least one varistor disk with through hole
12/12/2012CN202602381U Power supply device of current transformer
12/12/2012CN202602288U GEE power saving system
12/12/2012CN202602285U New energy electric field boosting transformer system
12/12/2012CN202602281U Device for controlling switching of damping resistor in resonant grounding system
12/12/2012CN202602280U Ground protection complete equipment with gap for neutral point of transformer
12/12/2012CN202602279U Power over ethernet (POE) device with lightning protection circuit of data extractor
12/12/2012CN202602278U Video signal lightning protection device for high-definition digital component serial interface camera
12/12/2012CN202602277U Continuous communication hot plugging type surge protection device
12/12/2012CN202602276U Surge protector
12/12/2012CN202602275U Outdoor waterproof power supply lightening protection box
12/12/2012CN202602274U Load discharge circuit suitable for power supply system
12/12/2012CN202602273U Surge protective device for full mold
12/12/2012CN202602272U Plastic package direct-current motor circuit board
12/12/2012CN202602271U Balanced-type surge protective assembly device
12/12/2012CN202602270U Novel resistance-capacitance overvoltage protector
12/12/2012CN202602269U Protection circuit of elevator system communication interface
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