| Patents for H02H 1 - Details of emergency protective circuit arrangements (5,580) |
|---|
| 02/05/2014 | CN102496902B Method for forming, outputting and displaying generalized node of relay protection device |
| 02/04/2014 | US8643988 ESD power clamp using a low-voltage transistor to clamp a high-voltage supply in a mixed-voltage chip |
| 01/29/2014 | EP2689506A1 Domestic appliance with protection circuit |
| 01/29/2014 | CN203415941U Battery charging management module for microcomputer protection device |
| 01/29/2014 | CN103548226A Method and system for detecting an arc fault in a power circuit |
| 01/28/2014 | US8638537 Line protection systems |
| 01/23/2014 | US20140022683 Device for protecting electric equipment from overvoltage and lightening |
| 01/22/2014 | EP2686691A1 A method for detecting earth faults |
| 01/22/2014 | EP2686690A1 Method and device for linearizing a transformer |
| 01/22/2014 | CN102088175B Double-circuit or multiple-circuit discharging device |
| 01/21/2014 | US8634177 Coupling structure for airframe components |
| 01/21/2014 | US8634169 Anti-lightning automatic switch for a satellite television receiver |
| 01/16/2014 | WO2014009976A1 Circuit branch measuring system |
| 01/16/2014 | WO2014009035A1 Method for the ultra-high-frequency measurement of a partial discharge, and related device |
| 01/15/2014 | EP2685268A1 Method for ultra-high-frequency partial discharge measurement and associated device |
| 01/15/2014 | CN203398762U Protection, measurement and control device for motor |
| 01/15/2014 | CN203398742U Relay protection screen circuit based on integrated switching device |
| 01/15/2014 | CN102017349B Arc detector and associated method for detecting undesired arcs |
| 01/09/2014 | WO2014005639A1 Device for a three-phase load |
| 01/09/2014 | WO2014005615A1 Current transformer assembly |
| 01/08/2014 | EP2682972A1 Device for detecting the open or closed state of a switch and associated transformer protection relay monitoring device |
| 01/08/2014 | EP2681821A1 Method and system for detecting an arc fault in a power circuit |
| 01/08/2014 | CN103500979A Relay protection controller based on PXI-e and provided with smart power grid communication protocol |
| 01/07/2014 | US8625248 Electrostatic discharge protector |
| 01/07/2014 | US8624213 Optocoupler circuit for gate driver |
| 01/02/2014 | US20140001382 Electrical insulation configuration for an electrical device |
| 01/02/2014 | DE112012001189T5 Verfahren, Systeme und Einrichtungen zum Erkennen paralleler elektrischer Fehlerlichtbögen Methods, systems, and equipment to detect faults parallel electrical arcs |
| 01/01/2014 | EP2678911A1 Method for identifying arcing faults and circuit breaker |
| 01/01/2014 | EP2678699A1 Method and device for enhancing the reliability of generator ground fault detection on a rotating electrical machine |
| 01/01/2014 | CN103493321A Method for generating a fault signal |
| 12/31/2013 | US8619402 Data port transient protection apparatus and methods |
| 12/25/2013 | CN203367960U Novel electric element high-voltage discharging insulating device |
| 12/25/2013 | CN103477521A Method and protective device for recognising a symmetrical short-circuit in a multi-phase electrical power supply network |
| 12/25/2013 | CN103474948A Component, device and method for determining breaker switching on-off signal generation |
| 12/25/2013 | CN101911416B Electronic protection unit for automatic circuit breakers and relative process |
| 12/25/2013 | CN101640470B Interface module for communication with electronic or electro-mechanical device of medium voltage interruption unit |
| 12/25/2013 | CN101395778B Load recognition and series arc detection using load current/line voltage normalization algorithms |
| 12/24/2013 | DE19720182B4 Verfahren und Einrichtung zum Beseitigen von Fehlern aufgrund von abklingenden Verschiebungen aus gemessenen Leistungssystemfehlern Method and apparatus for eliminating errors due to decaying shifts from measured power system faults |
| 12/19/2013 | WO2013188229A1 Wireless branch circuit energy monitoring system |
| 12/19/2013 | US20130335861 Method and System for Detecting an Arc Fault in a Power Circuit |
| 12/18/2013 | EP2675033A1 Method and systems for discharging energy from an electrical fault |
| 12/18/2013 | CN203352127U Incomplete star-shaped current transformer loop structure used for relay protection |
| 12/18/2013 | CN103460540A Method for identifying arcing faults and circuit breaker |
| 12/17/2013 | US8611059 Power management circuit and high voltage device therein |
| 12/17/2013 | US8611058 Combination ESD protection circuits and methods |
| 12/11/2013 | EP2672280A2 Insulation fault monitoring with signal quality display |
| 12/11/2013 | CN203339644U Signal transmission device used among high-low voltage equipment of fault current limiter |
| 12/10/2013 | US8605406 Apparatus and methods for altering charge on a dielectric material |
| 12/10/2013 | US8604694 Discharge device having high-voltage circuit unit installed therein |
| 12/05/2013 | WO2013178946A1 Auxiliary control device of the electronic switches of a voltage converter |
| 12/05/2013 | US20130321960 Apparatus and method for the intelligent protection of an electrical lead |
| 12/04/2013 | CN203326548U Secondary network relay protection device based on digital signal processor |
| 12/04/2013 | CN103427391A Method for identifying surge interference in microcomputer protection |
| 12/03/2013 | US8599528 DC and RF pass broadband surge suppressor |
| 12/03/2013 | US8599522 Circuit interrupter with improved surge suppression |
| 12/03/2013 | CA2667883C Systems and methods for arc fault detection |
| 11/27/2013 | CN103415972A Methods, systems, and apparatus and for detecting parallel electrical arc faults |
| 11/26/2013 | US8593777 User-actuated button ESD protection circuit with spark gap |
| 11/26/2013 | US8593775 Surge arrester |
| 11/26/2013 | US8593774 Polarized lightning arrestors |
| 11/26/2013 | CA2570691C Method and device for transmitting information through a power distribution network |
| 11/21/2013 | WO2013171329A1 Method and apparatus for localizing and quenching an arc |
| 11/21/2013 | WO2013170301A1 Electrical protection device, system and control circuit |
| 11/21/2013 | WO2012141835A9 Method and system for programming and implementing automated fault isolation and restoration using sequential logic |
| 11/20/2013 | EP2664044A1 Arc fault mitigation for photovoltaic systems |
| 11/20/2013 | CN103401208A Control device for large-capacity fault current limiter |
| 11/12/2013 | US8582273 Surge absorbing circuit and electric device using the same |
| 11/12/2013 | US8582258 Electrostatic discharge protection circuit for integrated circuits |
| 11/07/2013 | US20130297255 Power switching device operating time prediction equipment and method |
| 11/07/2013 | US20130293990 Protective device with automated self test |
| 11/06/2013 | CN203278175U Secondary operational power supply having energy storage function |
| 11/06/2013 | CN102047518B Method and system for the differential protection of an electrical link in a medium-voltage, high-voltage or very high-voltage network |
| 11/05/2013 | US8576532 Power over ethernet transient voltage suppression patch panel |
| 11/05/2013 | US8576523 Charge pump electrostatic discharge protection |
| 10/30/2013 | EP2658061A2 Communication line isolator |
| 10/30/2013 | EP2658060A1 Digital protection relay |
| 10/30/2013 | CN101461124B System for optically detecting electrical arc in power supply |
| 10/29/2013 | US8570701 Rackmount I/O signal protector assembly for surge protection |
| 10/23/2013 | EP2654153A1 AC arc fault detection and protection |
| 10/22/2013 | US8564307 Arc fault detector with circuit interrupter |
| 10/17/2013 | US20130271891 Metallic Mesh and Lightning Strike Protection System |
| 10/16/2013 | EP2650995A1 Method, device, and system for monitoring current provided to a load |
| 10/16/2013 | CN103354967A A protection relay for sensitive earth fault protection |
| 10/16/2013 | CN103354345A Method used for acquiring initial breakpoint set of parallel line |
| 10/16/2013 | CN103354344A Method for extracting explosion-continuous short circuit signal |
| 10/15/2013 | US8559156 Method and apparatus for charging or neutralizing an object using a charged piece of conductive plastic |
| 10/15/2013 | US8559155 Directing the flow of electrostatic discharge (ESD) current to a targeted impedance using nested plates |
| 10/15/2013 | CA2792338C Apparatus, system, and method for creating one or more slow-speed communications channels utilizing a real-time communication channel |
| 10/15/2013 | CA2596644C System for wireless monitoring of circuit breakers |
| 10/09/2013 | CN203233136U Relay protective screen |
| 10/08/2013 | US8553386 Surge suppression device having one or more rings |
| 10/02/2013 | CN103339515A Method and device for linearizing a transformer |
| 10/01/2013 | US8547678 Surge arrester having a short-circuit device |
| 09/26/2013 | US20130250463 Protective device for load circuit |
| 09/25/2013 | EP2641311A1 Multi-pole arcing fault circuit breaker including a neutral current sensor |
| 09/25/2013 | CN203218852U Trip driving circuit of high-voltage pole-mounted switch |
| 09/25/2013 | CN103326309A Comprehensive digital protection device for ship power system |
| 09/24/2013 | US8542021 Multi-pole arcing fault circuit breaker including a neutral current sensor |
| 09/19/2013 | WO2013137979A1 Trip unit providing short circuit zone location detection, electrical switching apparatus and system including the same |
| 09/19/2013 | WO2013135719A1 Safety relay circuit |