| Patents for H02H 1 - Details of emergency protective circuit arrangements (5,580) |
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| 05/23/2013 | WO2013073269A1 Storage battery unit |
| 05/23/2013 | US20130127262 Protective Sensor System for a Hand-Held Power Tool |
| 05/23/2013 | US20130126320 Switch for preventing inrush current shock and cutting off standby power |
| 05/22/2013 | CN101939888B Industrial arc fault circuit interrupter and method of detecting arcing conditions |
| 05/15/2013 | EP2591373A1 Fast distance protection for energy supply networks |
| 05/15/2013 | CN103107510A Electricity self-generating reclosing controller |
| 05/15/2013 | CN103107507A Contactor integrating function and structure of electronic type protector |
| 05/15/2013 | CN103107506A Installation device with a current sensor unit |
| 05/14/2013 | US8441769 Power supplies |
| 05/08/2013 | EP2589122A1 Grading devices for a high voltage apparatus |
| 05/08/2013 | CN202930897U Relay protection device |
| 05/02/2013 | US20130107410 Apparatus and method for measuring the dissipation factor of an insulator |
| 05/02/2013 | US20130107405 Fast distance protection for energy supply networks |
| 05/01/2013 | CN202917937U 阻尼控制器 Damping controller |
| 05/01/2013 | CN101790689B Measuring and/or switching device |
| 04/30/2013 | US8432653 ESD protection device |
| 04/30/2013 | CA2567071C Pluggable surge protector |
| 04/25/2013 | US20130100559 Semiconductor Component and An Operating Method for A Protective Circuit Against Light Attacks |
| 04/25/2013 | US20130098310 Method and apparatus for teleoperation, guidance and odor detection training of a freely roaming animal through brain stimulation |
| 04/24/2013 | CN202906433U Control and protective switching device |
| 04/24/2013 | CN202906426U Reclosing device powered by three-phase voltage |
| 04/24/2013 | CN202906424U Self-power-generating reclosing controller |
| 04/24/2013 | CN202906423U Mine circuit comprehensive protection device |
| 04/24/2013 | CN101573847B Systems and methods for arc fault detection |
| 04/23/2013 | US8427814 Mobile power distribution system |
| 04/23/2013 | US8427799 ESD clamp for multi-bonded pins |
| 04/23/2013 | US8427797 ESD networks for solder bump integrated circuits |
| 04/18/2013 | WO2013053912A1 Method and apparatus for detecting an arc in a dc circuit |
| 04/17/2013 | CN202888782U Relay protection monitoring and maintenance system |
| 04/17/2013 | CN101688888B Increased reliability in the processing of digital signals |
| 04/17/2013 | CN101622544B Electrically insulated current measuring device, electronic trigger, and circuit breaker comprising such a device |
| 04/16/2013 | US8422190 Composite electronic device, manufacturing method thereof, and connection structure of composite electronic device |
| 04/16/2013 | US8422189 Serially connected surge suppression optimization device |
| 04/16/2013 | US8422188 ESD protection device |
| 04/16/2013 | US8422181 Electrostatic discharge protection device of an electric apparatus |
| 04/11/2013 | US20130088798 Safety device for high voltage components |
| 04/10/2013 | EP2577826A2 An arc fault detector for ac or dc installations |
| 04/10/2013 | CN101682183B Power switch for preventing accidental arcs |
| 04/04/2013 | WO2013020916A3 Configuration of an iec 61850 teleprotection ied for inter-substation communication |
| 04/04/2013 | WO2012028390A3 Control circuit for an electric motor having an electrical power supply control unit |
| 04/03/2013 | CN202856303U Intelligent reclosing circuit breaker |
| 04/03/2013 | CN103022959A Method and device for adhesion detection of main contact of alternating-current contactor |
| 04/03/2013 | CN103022958A 直流断路器充电装置控制系统及其控制方法 DC breaker charging device control system and control method |
| 04/02/2013 | US8411404 Overvoltage protection plug |
| 03/27/2013 | CN202840460U Bypass conversion?device |
| 03/27/2013 | CN202840459U Alternating current signal collecting system of electric power automation monitor and protection device |
| 03/27/2013 | CN103004047A Systems and methods for providing arc fault and/or ground fault protection for distributed generation sources |
| 03/20/2013 | CN102986106A A method for transfer of control between devices in a substation system and a device thereof |
| 03/20/2013 | CN102986104A Grading devices for a high voltage apparatus |
| 03/20/2013 | CN102983543A Reclosing device for utilizing three-phase voltage to supply power |
| 03/19/2013 | US8400744 Earth leakage detection module with robust transient suppression |
| 03/14/2013 | WO2013034633A1 Current distribution arrangement comprising two interconnected switches, particularly power switches for low voltages |
| 03/14/2013 | WO2012148644A9 Conductive polymer fuse |
| 03/14/2013 | WO2012125238A3 Methods, systems, and apparatus and for detecting parallel electrical arc faults |
| 03/13/2013 | CN202797862U Novel intelligent controller trip circuit |
| 03/12/2013 | US8395875 Spark gap apparatus |
| 03/12/2013 | US8395869 ESD protection circuit with EOS immunity |
| 03/12/2013 | US8393282 Sewn product and clothes |
| 03/05/2013 | US8390976 Lightning proof device for filter |
| 02/28/2013 | CA2787726A1 Integrated safety disconnects for power systems |
| 02/27/2013 | CN102946082A Realizing method for redundant communication by using double buses |
| 02/26/2013 | US8384292 Inrush current protection |
| 02/21/2013 | WO2013025411A1 Adaptive light detection for arc mitigation systems |
| 02/21/2013 | CA2842994A1 Adaptive light detection for arc mitigation systems |
| 02/20/2013 | EP2559127A2 Residual current device |
| 02/13/2013 | EP2557646A1 Configuration of an IEC 61850 teleprotection IED for inter-substation communication |
| 02/13/2013 | EP2556574A2 Arc fault circuit detection methods, systems, and apparatus including delay |
| 02/13/2013 | EP2556573A1 Arc preventing switch |
| 02/13/2013 | CN202737432U Under-voltage protection monitoring device |
| 02/13/2013 | CN102934308A Arc fault circuit detection methods, systems, and apparatus including delay |
| 02/13/2013 | CN102931625A Online state maintenance intelligent decision analysis device used for relay protection device, and signal processing method and application thereof |
| 02/12/2013 | US8373956 Low leakage electrostatic discharge protection circuit |
| 02/12/2013 | US8373955 Electrostatic discharge protection devices |
| 02/07/2013 | US20130033796 Insulated arc flash arrester |
| 02/07/2013 | US20130033402 Lightning protection device for an antenna receiver, and aircraft comprising same |
| 02/06/2013 | EP2555367A1 Arc fault protective circuit with excess voltage protection |
| 02/06/2013 | EP2553786A1 A method for transfer of control between devices in a substation system and a device thereof |
| 02/06/2013 | EP2553480A1 Improvements introduced in monitoring system of dielectric state of high voltage equipments with capacitive insulation, such as condensive bushings, current transformers, potential transformers and similar |
| 02/05/2013 | US8369059 Method for disturbance current compensation for an electrical system, and disturbance current compensation device |
| 01/31/2013 | WO2013014250A1 Method for detecting arc-caused electrical effects in an electrical installation system |
| 01/30/2013 | CN102904202A Intelligent re-closing circuit breaker |
| 01/29/2013 | US8363366 Electrostatic discharge protection circuit |
| 01/24/2013 | WO2013011152A1 Electronic overload relay |
| 01/24/2013 | WO2013010591A1 Fault identification and location in a power supply line which is fed from one side |
| 01/24/2013 | WO2013010221A1 Spark testing apparatus |
| 01/24/2013 | WO2012148644A3 Conductive polymer fuse |
| 01/23/2013 | EP2549612A2 Method for locking a switch |
| 01/23/2013 | EP2549608A1 Protection relay device and protection relay method |
| 01/23/2013 | EP2549607A1 Switch with a testable electricity converter and method for testing an electricity converter on a switch |
| 01/23/2013 | EP2549606A1 Electronic overload relay |
| 01/23/2013 | CN102893477A Residual current device |
| 01/22/2013 | US8358491 Over-voltage protection device |
| 01/17/2013 | US20130015174 Safety circuit for heating device |
| 01/16/2013 | EP2546942A2 Resetting of an arc fault protection device |
| 01/16/2013 | DE202012011374U1 Elektrische Überspannungsschutzvorrichtung Electrical surge protection device |
| 01/15/2013 | US8355233 Short-circuit protection for an electric vehicle battery |
| 01/15/2013 | US8355229 Semiconductor device with an inductor |
| 01/10/2013 | WO2013004295A1 Method and system for detecting an arc fault in a photovoltaic power system |
| 01/10/2013 | WO2012009727A3 Removable circuit interrupter that provides circuit-testing capabilities |
| 01/09/2013 | CN102868136A Bypass conversion device |