| Patents for H02H 3 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection (33,031) |
|---|
| 01/19/2011 | CN201717818U Drive controller of eddy current retarder |
| 01/19/2011 | CN201717670U Dual-power-supply switching device with overvoltage protection |
| 01/19/2011 | CN201717669U Emergent dragging device for belt furnace |
| 01/19/2011 | CN201717631U Lightening-prevention protecting device |
| 01/19/2011 | CN201717621U Protecting and monitoring device for communication power |
| 01/19/2011 | CN201717610U Constant-current normalizing resistor furnace electric control device |
| 01/19/2011 | CN201717609U Electric water heater safety appliance |
| 01/19/2011 | CN201717606U Electricity-leakage circuit breaker used for remote control of undervoltage and overvoltage power supply and used on prepayment electricity meter |
| 01/19/2011 | CN201717605U Visualized leakage protecting device of electric cabinet |
| 01/19/2011 | CN201717604U Intelligent vacuum feeder switch control system with bistable double-coil permanent magnet mechanism |
| 01/19/2011 | CN201717603U Voltage detection circuit device |
| 01/19/2011 | CN201717602U Noise-proof type anti-electric touch and anti-overheating protector of electric water heater |
| 01/19/2011 | CN201717601U Power supply failure shunt trip and overvoltage, under-voltage protection miniature circuit breaker |
| 01/19/2011 | CN201717600U Capacitance-raised voltage protection device |
| 01/19/2011 | CN201717599U Over-voltage protection circuit |
| 01/19/2011 | CN201717598U Lightning protection alarm device for power system |
| 01/19/2011 | CN201717597U High-voltage power transmission line fault automatic switching-on and switching-off protection switch |
| 01/19/2011 | CN201717596U Automatic reclosing experiment device based on safe voltage level |
| 01/19/2011 | CN201717595U Alternating-current power failure sequential control protective circuit for power supply of TV set |
| 01/19/2011 | CN201717594U Safety protection device of controlled system and system thereof |
| 01/19/2011 | CN201717593U Continuous annealing line controlled emergency stop system |
| 01/19/2011 | CN201717592U Device utilizing resettable fuse to prevent silicon controlled rectifier effect of integrated circuits |
| 01/19/2011 | CN201714661U Intelligent control protection device for screw pump oil production device |
| 01/19/2011 | CN201714660U Intelligent energy saving control device of screw pump driving device |
| 01/19/2011 | CN1639939B Circuit protection method, circuit protection system and distribution system |
| 01/19/2011 | CN101953046A Convenient and safe receptacle/switch and terminal block |
| 01/19/2011 | CN101952922A Protective relay and human-machine interface therefor |
| 01/19/2011 | CN101951020A Spare power supply switching device for generator |
| 01/19/2011 | CN101950956A Lightning-proof electric control device of photovoltaic power generation system |
| 01/19/2011 | CN101950955A Control circuit capable of preventing supervoltage and preventing surge voltage |
| 01/19/2011 | CN101950947A Power management method of security system for vehicles |
| 01/19/2011 | CN101950945A Fireproof intelligent circuit breaker for dynamic detection, static detection and zero cutoff |
| 01/19/2011 | CN101950944A Device and method for relay protection |
| 01/19/2011 | CN101950943A On-line monitoring protection method and device for distributed zero line breakage |
| 01/19/2011 | CN101950942A Short-circuit protection and anti-lightning circuit for plasma equipment |
| 01/19/2011 | CN101950941A Intelligent circuit protection controller |
| 01/19/2011 | CN101950940A Shot blasting circuit with steel grit flow monitoring |
| 01/19/2011 | CN101949232A Portable intelligent safety fence |
| 01/19/2011 | CN101552467B Method for supplying power for high-power server equipment |
| 01/19/2011 | CN101552461B Method for protecting power distribution network containing distributed generation |
| 01/19/2011 | CN101540493B Resonance type DC solid circuit breaker |
| 01/19/2011 | CN101447661B Control method for automatic reclosing controller |
| 01/19/2011 | CN101330201B Apparatus for protecting power supply |
| 01/18/2011 | US7873882 Circuits and methods for repairing defects in memory devices |
| 01/18/2011 | US7873860 External storage and data recovery method for external storage as well as program |
| 01/18/2011 | US7872839 Systems, methods, and devices for controlling a serial arc fault in an electrical circuit |
| 01/18/2011 | US7872478 Method and adaptive distance protection relay for power transmission lines |
| 01/18/2011 | US7872447 Electrical storage apparatus for use in auxiliary power supply supplying electric power from electric storage device upon voltage drop of main power supply |
| 01/18/2011 | US7872426 Ballast protecting device |
| 01/18/2011 | US7872379 Integrated electric power distribution center fire protection system |
| 01/17/2011 | CA2709565A1 Dc power tool with safety detection device |
| 01/13/2011 | WO2011003708A1 Device for protecting a dc converter |
| 01/13/2011 | WO2011003548A1 Method for protecting an electronic switch built into an automobile for controlling the supply of an electric charge |
| 01/13/2011 | WO2011003435A1 An arrangement and a method for monitoring the status of dc-side reactors in an hvdc transmission |
| 01/13/2011 | US20110007444 Electrical interface protecting apparatus |
| 01/13/2011 | US20110007443 Apparatus, method, and system for monitoring leakage current and detecting fault conditions in electrical systems |
| 01/13/2011 | US20110007442 Rapid discharging circuit upon detection of abnormality |
| 01/13/2011 | US20110007441 Method and circuit for short-circuit and over-current protection in a discharge lamp system |
| 01/13/2011 | US20110007440 Safety Circuit for a Household Appliance |
| 01/13/2011 | US20110007439 Composite electronic device |
| 01/13/2011 | US20110007438 Composite electronic device, manufacturing method thereof, and connection structure of composite electronic device |
| 01/12/2011 | EP2273644A1 Substation automation system with protection functions |
| 01/12/2011 | EP2273642A2 Method and apparatus for automated reconfiguration of an electric power distribution system with enhanced protection |
| 01/12/2011 | EP2272146A1 Protection device |
| 01/12/2011 | EP2272145A1 Protection device |
| 01/12/2011 | CN201708746U Motor reduced-voltage starter |
| 01/12/2011 | CN201708704U Electromagnetic valve rectification circuit |
| 01/12/2011 | CN201708593U Remote alarm for overcurrent and disconnection of low-voltage zero line of 10kV transformer |
| 01/12/2011 | CN201708523U Electronically-controlled protection device |
| 01/12/2011 | CN201708517U RS-485 communication interface protective circuit |
| 01/12/2011 | CN201708516U Overvoltage protection mechanism for chemical fiber equipment |
| 01/12/2011 | CN201708515U Power protection circuit |
| 01/12/2011 | CN201708514U Overcurrent protection mechanism for chemical fiber machinery |
| 01/12/2011 | CN201708113U Electric leakage breaker |
| 01/12/2011 | CN201706370U Solar photovoltaic direct current directly used for lighting system of LED plant growth lamp |
| 01/12/2011 | CN101946382A Switching device and method for operating same |
| 01/12/2011 | CN101945512A Type judgment and protection circuit of light source body as well as stabilizer thereof |
| 01/12/2011 | CN101944716A Electricity leakage detection protective circuit |
| 01/12/2011 | CN101944715A Load short-circuit protection circuit |
| 01/12/2011 | CN101944711A 配电箱 Distribution Box |
| 01/12/2011 | CN101394077B Digital protective relay system |
| 01/11/2011 | US7870439 Fault tolerant multi-node computing system using periodically fetched configuration status data to detect an abnormal node |
| 01/11/2011 | US7869181 Flex circuit lightning protection applique system for skin fasteners in composite structures |
| 01/11/2011 | US7869180 Spark gap apparatus and method for electrostatic discharge protection |
| 01/11/2011 | US7869177 Detection circuitry |
| 01/11/2011 | US7869176 Surge protected power supply |
| 01/11/2011 | US7869173 Bi-directional GFCI |
| 01/11/2011 | US7869172 Digital controller |
| 01/11/2011 | US7869170 Method and system for time synchronized trip algorithms for breaker self protection |
| 01/11/2011 | US7869169 Method and system of current transformer output magnitude compensation in a circuit breaker system |
| 01/11/2011 | US7868619 Method and arrangement for monitoring connections of switch intended for activating safety function |
| 01/06/2011 | WO2011001509A1 Incorrect connection detecting device |
| 01/06/2011 | WO2011000670A1 Device and method for securing an electric line with a controllable switching element |
| 01/06/2011 | WO2010130275A3 Electrical power meter |
| 01/06/2011 | US20110002075 Composite electronic device |
| 01/06/2011 | US20110002074 Protection circuit for control board |
| 01/06/2011 | US20110002073 Output buffer circuit and output buffer system |
| 01/06/2011 | US20110002071 Leakage protective plug |
| 01/05/2011 | EP2269296A2 Drive circuit for a dc motor, comprising an h-bridge and a motor braking circuit |
| 01/05/2011 | DE102009031647A1 Device for limiting short-circuit current in low-voltage plant for alternating current, comprises monitoring unit for sending error signal corresponding to fault arc, and current detection unit for transmission of overcurrent signal |