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)
11/2011
11/03/2011	US20110267722 Cost effective design for a current transformer with an integrated magnetic actuator
11/03/2011	US20110266800 Protection circuit applied to wind power generation system employing double-fed induction generator
11/02/2011	CN202026516U Electronic ballast input filtering loop
11/02/2011	CN202026505U Light emitting diode (LED) constant current source
11/02/2011	CN202026162U Current coupling power taking device for high-tension transmission line
11/02/2011	CN202026126U Alternating current power supply module for communication
11/02/2011	CN202026087U Base station grounding device
11/02/2011	CN202026086U Lightningproof base station earthing device
11/02/2011	CN202026085U Lightning protection device for data transmission cables of remote metering digital seismometer
11/02/2011	CN202026084U AISG interface protection circuit
11/02/2011	CN202026083U Novel built-in detection apparatus of surge protective device
11/02/2011	CN202026082U Power network capacitive current compensation device
11/02/2011	CN202026081U Antispark circuit
11/02/2011	CN202026074U Surge protective device and power-supply system with same
11/02/2011	CN202024691U Lightning protection device for maneuvering switching cable of ground-to-air missile weapon system
11/02/2011	CN202024114U Light emitting diode lamp
11/02/2011	CN202023427U Combined type lock with dynamic keyboard mechanism
11/02/2011	CN102231598A Power supply circuit
11/02/2011	CN102231522A Power flow controller with failure current limiting function
11/02/2011	CN102231519A Tandem power supply surge protection device
11/02/2011	CN102231518A Surging suppression circuit
11/02/2011	CN101685955B Base station lightning protection system
11/01/2011	US8050004 Power circuit with feed through protection circuit
11/01/2011	US8050003 Electrostatic discharge protection circuit having a reduced size and lower operating voltage
11/01/2011	CA2329894C Zero threshold surge suppressor
10/2011
10/27/2011	WO2011130905A1 Pulse current sensor and lightning protection cabinet with surge wave recording composed of the sensor
10/27/2011	US20110261496 Hybrid fault current limiter
10/27/2011	US20110261495 E-fuse System For Supplying Current To A Load Along More Than One Path
10/27/2011	US20110261489 Esd trigger for system level esd events
10/27/2011	US20110261488 Protection circuit and electronic device using the same
10/27/2011	DE202011104115U1 Elektrisches Kraftwerkzeug mit einer Mehrzahl von Batteriepacks mit jeweils einer einzelnen Zelle An electric power tool having a plurality of battery packs, each with a single cell
10/27/2011	DE102010018969A1 Stromwandleranordnung Current transformer assembly
10/26/2011	EP2381455A2 Hybrid fault current limiter
10/26/2011	CN202019193U Secondary side no-load voltage protection circuit for electric welder
10/26/2011	CN202019192U Combined device with grounded middle point
10/26/2011	CN102227083A Self-recovery overvoltage protection module for AC electric appliance
10/26/2011	CN101599640B Surge protector for indicating fault status reliably
10/25/2011	US8045410 Memory cell array
10/25/2011	US8045310 Semiconductor device with overcurrent protection
10/25/2011	US8045306 Electrical-overstress protection circuit for an integrated circuit
10/25/2011	US8045304 Semiconductor circuit including electrostatic discharge circuit having protection element and trigger transistor
10/25/2011	US8045303 Building service ground fault interrupter
10/25/2011	US8045301 Motor drive device
10/25/2011	CA2266322C High current protection circuit for telephone interface
10/24/2011	DE202011105859U1 Überspannungsschutzschaltung An overvoltage protection circuit
10/20/2011	WO2011090827A3 Esd protection device and method
10/20/2011	US20110255204 Limiter
10/20/2011	US20110255201 Semiconductor integrated circuit device
10/20/2011	US20110255200 Electrostatic discharge circuit for integrated circuit with multiple power domain
10/20/2011	US20110255198 Motor drive ground fault detection
10/20/2011	CA2737019A1 Usb socket
10/19/2011	EP2377218A2 Overvoltage protector
10/19/2011	EP2377019A1 Method and devices for stabilizing electric grid power
10/19/2011	EP1763916B1 Overvoltage protection method and device for use in stand-alone dc power networks
10/19/2011	CN202014093U Novel two-in-one multifunctional lightning protection device
10/19/2011	CN202014092U Articulated type electrical split-phase overvoltage managing device
10/19/2011	CN202014091U Expanded flow current-limiting protection circuit for ecological house
10/19/2011	CN202014090U Safety barrier assembly system
10/19/2011	CN102222900A Electric leakage protective module of alternating-current electric apparatus capable of resisting instantaneous high-voltage impact
10/19/2011	CN102222899A Vehicular power protective circuit
10/19/2011	CN102222898A Power supply output overvoltage protection circuit for LED (light emitting diode) LCD TV (liquid crystal display television)
10/19/2011	CN102222897A High-reliability controllable multiple spark discharge gap
10/19/2011	CN102222896A Electronic device
10/19/2011	CN102222895A Active lightning protection method and device for aerial moving object
10/19/2011	CN102222894A Network connection common-mode signal protection circuit
10/19/2011	CN102222893A Quick fault current restrictor based on carrier isolator
10/19/2011	CN102222892A Low-leakage type power supply clamping ESD (electronic static discharge) protection circuit
10/19/2011	CN102222891A Power clamping ESD (electro-static discharge) protection circuit utilizing current mirror
10/18/2011	US8040653 Surge protector
10/18/2011	US8040652 Programmable power distribution switches with two-level current sensing
10/18/2011	US8040651 Method and circuit for protecting a MOSFET
10/18/2011	US8040650 Excess-current protection circuit and power supply
10/18/2011	US8040649 Overcurrent protection apparatus and electronic apparatus
10/18/2011	US8040645 System and method for excess voltage protection in a multi-die package
10/18/2011	US8040644 Power distribution system and electrical switching apparatus employing a filter trap circuit to provide arc fault trip coordination
10/18/2011	US8040643 Power supply switching apparatus with severe overload detection
10/13/2011	WO2011124767A1 Transformer arrangement for protecting optoelectronics components
10/13/2011	WO2011124605A2 Method for the operational control of an inverter
10/13/2011	WO2011024179A3 Improved fault current limiter with saturated core
10/13/2011	US20110249369 Apparatus for protection of electronic circuitry and associated methods
10/13/2011	US20110249367 Field device for determining and/or monitoring a physical or chemical process variable
10/12/2011	EP2375877A2 Planar voltage protection assembly
10/12/2011	EP2375552A1 Method for operating an inverter
10/12/2011	CN202009523U Cab ceiling lamp for electric locomotives
10/12/2011	CN202009522U LED lighting system
10/12/2011	CN202009516U Intelligent green power source for decorative lightings
10/12/2011	CN202009232U Novel arc and resonance extinguishing device
10/12/2011	CN202009231U Surge suppression module circuit
10/12/2011	CN202009230U Secondary inverting peak absorbing circuit
10/12/2011	CN202009229U Ethernet feed port group, anti-surge protection circuit and Ethernet feed equipment
10/12/2011	CN202009228U Surge protector with detection function
10/12/2011	CN202009227U Pre-charging circuit for motor driver of automobile air conditioning system
10/12/2011	CN202009137U Long-distance terminal block for protecting PC (personal computer)
10/12/2011	CN102217161A Method and circuit for transmitting and receiving radio waves with a single oscillatory circuit antenna
10/12/2011	CN102217160A Fault current superconductive limiter
10/12/2011	CN102217159A Method and apparatus for protecting power systems from extraordinary electromagnetic pulses
10/12/2011	CN102214917A Intelligent fault current limiter
10/12/2011	CN102214916A Electrostatic discharge (esd) protection circuit
10/12/2011	CN102214915A Electrostatic discharge protection circuit
10/12/2011	CN102214909A Self-repaired communication broadband ultra-high-speed circuit break protection device

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