| 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) |
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| 03/27/2013 | CN202840470U Under-voltage protection circuit |
| 03/27/2013 | CN202840469U Overvoltage-proof safety protection device for household appliances |
| 03/27/2013 | CN202840468U Permanent-magnetic overvoltage or under-voltage protector |
| 03/27/2013 | CN202840467U Power variation protection measurement and control device applicable to electrified railway of passenger transport line |
| 03/27/2013 | CN202840466U Parallel compensation protection measurement and control device applicable to electrified railway of passenger transport line |
| 03/27/2013 | CN202840465U Overcurrent protection and sound-light alarm device for photovoltaic lightning-protection combiner box checkout equipment |
| 03/27/2013 | CN202840464U High-voltage reactive on-site compensation apparatus |
| 03/27/2013 | CN202840463U Automobile instrument power supply protection circuit |
| 03/27/2013 | CN202840462U Integrated control and protective switching device |
| 03/27/2013 | CN202840461U Ground protection apparatus and thin film battery power generation apparatus based on the same |
| 03/27/2013 | CN202837885U Remote-control standby power-saving protector for electrical appliances |
| 03/27/2013 | CN202837884U Intelligent electricity-saving protector for office equipment |
| 03/27/2013 | CN103004054A Method For Supplying An Electric Domestic Appliance From A Low Voltage Supply Network And A Domestic Appliance Suitable For Carrying Out Said Method |
| 03/27/2013 | CN103004049A Breaker failure protection of HVDC circuit breakers |
| 03/27/2013 | CN103004048A Fault protection of HVDC transmission lines |
| 03/27/2013 | CN103001617A True reverse current blocking devices, systems and methods |
| 03/27/2013 | CN103001473A Power adapter with residual current protection |
| 03/27/2013 | CN103001282A Charge variable current protector |
| 03/27/2013 | CN103001197A Method for achieving dynamic self-adapting bidirectional current protection |
| 03/27/2013 | CN103001191A Busbar differential protection method and system for flexible direct-current closed-loop intelligent distribution network |
| 03/27/2013 | CN103001185A Warning method for instantaneous overload of cold rolling production line looper motor |
| 03/27/2013 | CN103001179A LED luminaire and short-circuit protection circuit thereof |
| 03/27/2013 | CN103001176A Current-leakage protection circuit of driving circuit for road traffic signal controller |
| 03/27/2013 | CN103001175A Electrical monitoring device and method for safeguarding the protective function of a type A residual current device |
| 03/27/2013 | CN103001174A Electrical wiring protection device capable of detecting false power supply wiring condition |
| 03/27/2013 | CN103001173A Cascade protection circuit for extension socket |
| 03/27/2013 | CN103001172A Overcurrent protection power circuit |
| 03/27/2013 | CN103001171A Reclosing circuit for controlling and protecting on-off controller |
| 03/27/2013 | CN103001170A Setting calculation method and system of power grid relay protection setting values |
| 03/27/2013 | CN102998515A Over-current detection and protection circuit for output channel |
| 03/27/2013 | CN102996885A Protection drive circuit of small-power electromagnetic coil |
| 03/27/2013 | CN102354958B Device and method for protecting power switching tube of inverter through software and hardware combination |
| 03/27/2013 | CN102354948B Leakage protecting apparatus |
| 03/27/2013 | CN102354869B Electricity leakage protection plug with alarm device |
| 03/27/2013 | CN102354868B Electric leakage protection plug |
| 03/27/2013 | CN102354863B Electricity leakage protection plug |
| 03/27/2013 | CN102231462B Leakage protection plug |
| 03/27/2013 | CN102148114B 多功能空气开关 Multifunction air switch |
| 03/27/2013 | CN101982950B Managing resources for IP networking |
| 03/27/2013 | CN101976828B M-BUS (Meter-Bus) intrinsic safety barrier |
| 03/27/2013 | CN101895085B Power supply circuit protective device and protective control method |
| 03/27/2013 | CN101889377B Method for setting free detection of out of step condition in electrical power system |
| 03/27/2013 | CN101888114B Multifunctional power supply of vehicular automotive electronic device |
| 03/27/2013 | CN101867177B Over-voltage and over-current hardware protection circuit and DC power supply circuit |
| 03/27/2013 | CN101808447B Input overvoltage delay protection circuit, LED control circuit and LED lamp |
| 03/27/2013 | CN101719653B Electronic release |
| 03/27/2013 | CN101694823B B type intelligent circuit breaker with automatic switching-in function |
| 03/27/2013 | CN101521379B Isolating device for a power semiconductor and method for operation thereof, power module and system installation |
| 03/27/2013 | CN101378185B Electronic circuit breaker and method |
| 03/26/2013 | US8405949 Current sensor for measuring inhomogeneity of potential distribution of arrester |
| 03/26/2013 | US8405948 EMI noise shielding device |
| 03/26/2013 | US8405945 Power distribution unit branch protection |
| 03/26/2013 | US8405944 Distributed bus differential protection using time-stamped data |
| 03/26/2013 | US8405943 Circuit and method for power clamp triggered dual SCR ESD protection |
| 03/26/2013 | US8405941 ESD protection apparatus and ESD device therein |
| 03/26/2013 | US8405940 Systems and methods for generator ground fault protection |
| 03/26/2013 | US8405936 Power diverter having a MEMS switch and a MEMS protection switch |
| 03/21/2013 | WO2013039693A1 Method for compensating overload trip curve for ct error |
| 03/21/2013 | WO2013039421A1 Method for protecting a power supply network against short circuit currents in the circuit of an electrified vehicle |
| 03/21/2013 | WO2013037589A1 Direct current circuit breaker |
| 03/21/2013 | WO2013000762A3 Photovoltaic module |
| 03/21/2013 | US20130070492 High voltage dc breaker apparatus |
| 03/21/2013 | US20130070383 Solid state protector module |
| 03/21/2013 | US20130070379 Power regulator with over current protection and control circuit thereof and method of over current protection |
| 03/21/2013 | US20130070378 Recloser device and method of operation |
| 03/21/2013 | US20130070377 Redundant and fault-tolerant power distribution system having an integrated communication network |
| 03/21/2013 | US20130070374 Electrical monitoring device and method for safeguarding the protective function of a type a residual current device (rcd) |
| 03/21/2013 | US20130070372 Protection circuit, resonant converter including the protection circuit, and protecting method of the resonant converter |
| 03/21/2013 | DE19939861B4 Motor-Laststeuersystem Engine load control system |
| 03/21/2013 | DE102011082941A1 Elektrische Überwachungseinrichtung und Verfahren zur Sicherstellung der Schutzfunktion einer Fehlerstrom-Schutzeinrichtung (RCD) Typ A Electrical monitoring device and method for ensuring the protection of a residual current device (RCD) type A |
| 03/21/2013 | CA2845787A1 Method for compensating overload trip curve for ct error |
| 03/20/2013 | EP2571128A2 Electrical monitoring device and method for securing the protective function of a residual current safety device (RCD) type A |
| 03/20/2013 | EP2571127A1 Electrical supply control device |
| 03/20/2013 | EP2569843A1 A plant for transmitting high voltage dc electric power including overvoltage protection |
| 03/20/2013 | EP2569839A2 Dc pass rf protector having a surge suppression module |
| 03/20/2013 | CN202818097U Power supply apparatus and electronic device with the power supply apparatus |
| 03/20/2013 | CN202817902U Line load distribution device in power distribution network automation system |
| 03/20/2013 | CN202817784U Photovoltaic grid connected inverter circuit |
| 03/20/2013 | CN202817740U Short-circuit fault current limiter of high-speed self-closed device |
| 03/20/2013 | CN202817738U Power distribution network automation system line fault automatic isolation device |
| 03/20/2013 | CN202817721U Marine high-power AC-DC (alternating current-direct current) converter based on thyristor |
| 03/20/2013 | CN202817720U A novel fault-protection self-recovery circuit |
| 03/20/2013 | CN202817710U Generator power protection circuit |
| 03/20/2013 | CN202817702U Current leakage protection device |
| 03/20/2013 | CN202817701U An outdoor zero sequence protecting net system |
| 03/20/2013 | CN202817700U Power receiving conversion circuit based on power provided by ethernet |
| 03/20/2013 | CN202817699U DC undervoltage tripping device and breaker |
| 03/20/2013 | CN202817698U Low-voltage electric energy meter collection box power supply protection device |
| 03/20/2013 | CN202817697U Electrical protection system |
| 03/20/2013 | CN202817696U Intelligent current-limiting circuit breaker |
| 03/20/2013 | CN202817695U Current limiting circuit capable of rapid cutoff and easy resetting |
| 03/20/2013 | CN202817694U Charging protective circuit for USB socket and USB socket |
| 03/20/2013 | CN202817693U Short circuit protection device |
| 03/20/2013 | CN202817692U Remote failure alarming device for high-voltage ring main unit |
| 03/20/2013 | CN202817691U High-frequency electricity larceny prevention alarm protector |
| 03/20/2013 | CN202817690U Anti-misreport island detection system |
| 03/20/2013 | CN202817689U Mining feed switch protective device based on DSP |
| 03/20/2013 | CN202817688U Power supply protection circuit of electric automobile charging pile and electric automobile charging pile |
| 03/20/2013 | CN202817687U Undercurrent protection circuit for electromagnetic chuck of machine tool |
| 03/20/2013 | CN102986106A A method for transfer of control between devices in a substation system and a device thereof |