Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › H02H 1 - Details of emergency protective circuit arrangements
Patents for H02H 1 - Details of emergency protective circuit arrangements (5,580)
08/2012
08/01/2012EP2482408A2 Frequency based fault detection
08/01/2012EP2130349B1 Method of configuring an intelligent electronic device
08/01/2012EP1805859B1 Dynamic energy threshold calculation for high impedance fault detection
08/01/2012CN202363867U Explosion-proof intrinsically safe direct current power supply breaker
07/2012
07/31/2012US8231751 Repair technique for lightning strike protection
07/25/2012EP2479860A2 Built-in test for an overvoltage protection circuit
07/25/2012CN102611068A Universal protector analog integrated circuit
07/24/2012US8228012 Controller of multi-phase electric motor
07/19/2012WO2012096863A1 System and method for monitoring current drawn by a protected load in a self-powered electronic protection device
07/19/2012WO2012096807A1 Arc fault mitigation for photovoltaic systems
07/19/2012CA2823565A1 System and method for monitoring current drawn by a protected load in a self-powered electronic protection device
07/18/2012CN102598453A Method for operating a closing device of a motor vehicle and a closing device
07/18/2012CN102593784A Distributed power supply system of relay protection device
07/14/2012CA2764088A1 Rate of change differential protection
07/11/2012EP2475058A1 Systems, methods, and apparatus for preventing electromigration between plasma gun electrodes
07/11/2012CN202334472U 继电保护电源24伏输出延时开关电路 24-volt power relay output delay switch circuit
07/11/2012CN102576995A Electrical installation arrangement
07/11/2012CN102576042A Device and method for providing electrical energy at a load circuit
07/10/2012US8218776 Surge protection circuit for audio output device
07/10/2012US8217750 3-electrode surge protective device
07/10/2012CA2662250C System and method for managing power supply to a circuit breaker control unit
07/05/2012US20120170159 Leakage detection protective circuit
07/05/2012US20120170157 Battery management and protection
07/04/2012CN102549866A Communication network for a low voltage electric switchgear
07/04/2012CN101405825B Electric power supply system and correlative method
07/04/2012CN101002400B Method and device for transmitting information through a power distribution network
07/03/2012US8213144 Circuit protection system
07/03/2012US8213142 Amplifier with improved ESD protection circuitry
07/03/2012US8213141 Power over Ethernet electrostatic discharge protection circuit
07/03/2012US8212431 Safety switching apparatus
06/2012
06/28/2012US20120162845 System for Protecting Wind Turbines Against Atmospheric Discharges
06/28/2012US20120162828 Battery management and protection
06/27/2012EP2467916A1 Energy dissipative tubes, sealing devices, and methods of fabricating and installing the same
06/20/2012EP2466711A1 Capacitance check and current monitoring circuit for use with a circuit protection device
06/20/2012EP2466710A1 Method and device for detecting arc faults in an alternating current network
06/20/2012EP2466709A1 Circuit assembly and method for detecting an arc
06/20/2012CN202282600U 一种自动馈电开关漏电保护单元 An automatic feeder switch leakage protection unit
06/19/2012US8203819 Electrical protection component with a short-circuiting device
06/19/2012US8203292 Controller of multi-phase electric motor
06/14/2012WO2012076122A1 Apparatus for detecting an arc and associated method
06/13/2012EP2463975A2 Method, system, and apparatus for detecting an arc event using breaker status
06/13/2012EP2462670A1 Electrical installation arrangement
06/13/2012CN102496902A Method for forming, outputting and displaying generalized node of relay protection device
06/13/2012CN102496901A Dual-CPU control system for circuit breaker operation circuit and control method thereof
06/13/2012CN101371415B Wireless system for one or more electrical switching apparatus
06/12/2012US8199453 Shaft current control brush ring assembly
06/12/2012US8199450 ESD protection utilizing radiated thermal relief
06/12/2012CA2616319C A relay-to-relay direct communication system and method in an electric power system
06/06/2012EP2461449A1 Arc fault detection method and system
06/06/2012EP2460023A1 Method and system for monitoring a cable system of an electric power transmission system
06/06/2012EP2460022A1 Device and method for providing electrical energy at a load circuit
06/05/2012US8194383 Arrangement for preventing vermin from advancing in pipes
05/2012
05/30/2012EP2457313A2 Method and apparatus for detection and control of dc arc faults
05/30/2012EP2135097B1 Method and device for evaluating fast current changes
05/29/2012US8189315 Surge arrester with low response surge voltage
05/24/2012WO2012067750A1 Multi-pole arcing fault circuit breaker including a neutral current sensor
05/16/2012EP2452409A2 Method for operating a closing device of a motor vehicle and a closing device
05/16/2012CN102460883A 变电站自动化中的保护闭锁 Substation Automation lockout protection
05/16/2012CN102460877A Circuit protection device for photovoltaic systems
05/15/2012US8179656 Surge protection circuit for passing DC and RF signals
05/15/2012US8179647 ESD power clamp for high-voltage applications
05/15/2012CA2405135C Method and apparatus for detecting and suppressing a parallel arc fault
05/09/2012EP2260312B1 Arc fault root-cause finder system and method
05/08/2012US8174813 Protection patch panel
05/08/2012US8174132 Folded surface capacitor in-line assembly
04/2012
04/26/2012WO2012054363A1 Electronic circuit breaker with alternate mode of operation using auxiliary power source
04/26/2012WO2012054337A1 Circuit breaker with fault indication and secondary power supply
04/26/2012CA2814005A1 Electronic circuit breaker with alternate mode of operation using auxiliary power source
04/26/2012CA2813963A1 Circuit breaker with fault indication and secondary power supply
04/25/2012EP2445074A1 A fault detecting device for electrical installations and equipment
04/24/2012US8164878 Power distribution unit
04/24/2012US8164877 Coaxial in-line assembly
04/24/2012US8164876 Transient voltage protection circuit and system incorporating the same
04/24/2012CA2336769C Arc fault detector responsive to average instantaneous current and step increases in current and circuit breaker incorporating same
04/22/2012CA2755757A1 Power controller system
04/18/2012EP2442124A2 Acoustic apparatus and acoustic sensor apparatus including a fastener
04/18/2012EP2442123A2 Acoustic apparatus and acoustic sensor apparatus including a clamp
04/18/2012EP2442122A2 Acoustic sensor system for detecting electrical conductivity faults in an electrical distribution system
04/18/2012EP2442121A2 Acoustic sensor system, acoustic signature simulator, and electrical distribution system
04/18/2012EP2441146A1 Protection lockout in substation automation
04/18/2012EP2441145A1 Circuit protection device for photovoltaic systems
04/18/2012CN1866657B 电涌放电器 Surge arresters
04/18/2012CN101680915B 用于分析快速电流变化的方法和装置 Methods and apparatus for the analysis of fast current variation
04/12/2012WO2012048121A1 Solid-core surge arrester
04/12/2012US20120087055 Externally gapped line arrester
04/12/2012DE102006057529B4 Kontrollvorrichtung, Energieversorgungssystem und Verfahren Control device, power supply system and method
04/11/2012EP2438666A1 Impedance-based current sensor
04/10/2012CA2414273C Method and apparatus for detecting electrical faults and isolating power source from the electrical faults
04/05/2012WO2012042318A1 Powerless reset in a self powered relay
04/05/2012WO2012041647A1 Arrangement for monitoring electrical power consumption
04/05/2012WO2011151267A3 An arc fault detector for ac or dc installations
04/04/2012EP2437366A2 Electric device and method to detect arc fault in the same
04/04/2012EP2016657B1 Systems, devices, and methods for arc fault detection
04/04/2012EP1682909B1 Method and apparatus for identifying intermittent earth fault
03/2012
03/27/2012CA2437377C Aircraft applicable ground fault circuit interrupter
03/21/2012EP2432133A1 Utility communication method and system
03/21/2012EP2431830A2 Regulating device for a heating device
03/21/2012EP1402611B1 Anti-pinch window control system and method
03/20/2012US8138937 Grounding monitoring device and system for work
03/15/2012US20120064770 Overvoltage protection plug
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