| Patents for H02H 1 - Details of emergency protective circuit arrangements (5,580) |
|---|
| 07/11/2002 | WO2002054558A1 Medium voltage power factor controlled switchboard |
| 07/11/2002 | WO2002054557A1 Low-voltage electronic residual current circuit breaker |
| 07/11/2002 | WO2002054555A1 A medium voltage switching device |
| 07/11/2002 | US20020090001 Wireless communications hub with protocol conversion |
| 07/11/2002 | US20020089800 Reset lockout for circuit interrupting device |
| 07/09/2002 | US6418385 Method for determining the location of a partial discharge |
| 07/09/2002 | US6417791 Delta filter with an adaptive time window for protective relays |
| 07/04/2002 | US20020085330 Quick responding instantaneous trip system |
| 07/04/2002 | US20020085327 Device and method for detecting arc fault |
| 07/04/2002 | US20020085326 Circuit breaker with display function |
| 07/04/2002 | US20020083947 Fault protection system for a respiratory conduit heater element |
| 07/03/2002 | EP1220411A1 A medium voltage power factor controlled switchboard |
| 07/03/2002 | EP1220409A1 An improved medium voltage switching device |
| 07/03/2002 | EP1218998A1 Residual current protective device with frequency generator |
| 07/02/2002 | US6414829 Arc fault circuit interrupter |
| 06/27/2002 | US20020080003 ARC responsive thermal circuit breaker |
| 06/26/2002 | EP1217707A1 Device for termination of primary current in a current transformer having saturation compensation means |
| 06/26/2002 | EP1217706A1 Protection for power grid having a radio data transmission link using bluetooth |
| 06/26/2002 | CN1355587A Separation system for protection and automation function of protective relay in electric system |
| 06/25/2002 | US6411865 System for protection zone selection in microprocessor-based relays in an electric power system |
| 06/20/2002 | WO2002049176A1 System and method for the data transmission of digital transmission data |
| 06/20/2002 | US20020075616 Protection system for an electricity network having a "Bluetooth" data transmission radio link |
| 06/20/2002 | US20020075613 Power drop out compensation circuit |
| 06/20/2002 | US20020074991 Device for determining the primary current of a current transformer comprising saturation correction means |
| 06/20/2002 | US20020074974 Method and apparatus for overload-controlling inverter power generation apparatus |
| 06/20/2002 | DE10148882A1 Stator winding error detector for use with an AC motor, has multiple sensors to acquire a set of current/voltage values, processor to calculate sequence components, feed-forward neuronal network and comparator. |
| 06/19/2002 | CA2373527F A circuit breaker panel for hazardous environments |
| 06/18/2002 | US6407893 Arc fault detector with circuit interrupter and early arc fault detection |
| 06/13/2002 | WO2002015355A3 Method and device for identifying and localising high-ohm, single-pole earth faults |
| 06/13/2002 | WO2002001324A3 Protection zone selection in an electric power system |
| 06/13/2002 | US20020071228 Circuit interrupting device with reset lockout and reverse wiring protection and method of manufacture |
| 06/13/2002 | US20020071226 Combination current sensor and relay |
| 06/12/2002 | EP1213812A2 An electro-opto-electronic system for the directional detection of earth faults and of short-circuit faults in medium-voltage electrical networks |
| 06/12/2002 | EP1213738A2 Arc responsive thermal circuit breaker |
| 06/12/2002 | EP1212821A1 Residual current device sensitive to universal-current and method for detecting a fault current |
| 06/12/2002 | EP1212766A2 Circuit breaker with independent trip and reset lockout |
| 06/11/2002 | US6405184 Process for producing fault classification signals |
| 06/11/2002 | US6405104 Fault data synchronization via peer-to-peer communications network |
| 06/06/2002 | WO2002045228A1 An improved digital protection and control device |
| 06/04/2002 | US6400543 Electronic trip unit with user-adjustable sensitivity to current spikes |
| 05/30/2002 | US20020064010 Method and apparatus for automated reconfiguration of an electric power distribution system with enhanced protection |
| 05/29/2002 | DE10055077A1 Vorrichtung zum Verpolschutz elektrischer Komponenten Reverse polarity protection device for electrical components |
| 05/28/2002 | US6397156 Impedance measurement system for power system transmission lines |
| 05/23/2002 | DE10057166A1 Controlling adjustable vehicle roof element or similar involves compensation of application point based on increase in aerodynamic force varying with displacement according to polynomial |
| 05/21/2002 | US6392858 Electronic trip device with phase reconstitution and a circuit breaker comprising such a trip device |
| 05/21/2002 | US6392513 Circuit breaker with common test button for ground fault and arc fault circuit |
| 05/21/2002 | US6392422 Monitoring insulation and fault current in an A/C current network to provide load shutoff whenever differential current exceeds a certain response value |
| 05/16/2002 | WO2002039561A2 Detection of arcing in dc electrical systems |
| 05/16/2002 | US20020057544 Digital protective relay system |
| 05/16/2002 | DE10054496A1 Registering faulty measuring, caused by over-control in measuring amplifiers |
| 05/16/2002 | CA2426901A1 Detection of arcing in dc electrical systems |
| 05/15/2002 | EP1206025A2 Device for reverse battery protection of electrical components |
| 05/15/2002 | EP1205015A2 Cvt transient filter |
| 05/15/2002 | CN1349307A Semiconductor switch device having vibration current to cut off over-current |
| 05/15/2002 | CN1349102A Method and devie for testing fault on stator winding of an AC motor |
| 05/14/2002 | US6388849 ARC fault detector responsive to average instantaneous current and step increases in current and circuit breaker incorporating same |
| 05/14/2002 | US6388408 Motor current sensing in electric power tools |
| 05/10/2002 | WO2001095451A3 Software-controlled evaluation of fault currents for protection and monitoring systems |
| 05/08/2002 | EP1203432A1 Arc-fault detecting circuit breaker system |
| 05/08/2002 | CN1348626A Power module |
| 05/08/2002 | CN1348623A Method and apparatus for automated reconfiguration of an electric power distribution system with enhanced protection |
| 05/08/2002 | CN1348243A Digital relay protector |
| 05/02/2002 | WO2001096827A3 Internal fault indicator for power electrical devices |
| 05/02/2002 | EP1202421A1 Protection of an electrical installation |
| 05/02/2002 | EP1202313A1 Device for safety engineering to supervise the switching position of mechanical contacts |
| 05/02/2002 | EP1200847A1 A method and system for detecting arcing faults and testing such system |
| 05/01/2002 | CN1083924C Window opening and closing apparatus |
| 04/30/2002 | US6381113 Leakage current protection device adapted to a wide variety of domestic and international applications |
| 04/30/2002 | US6381112 Reset lockout for circuit interrupting device |
| 04/24/2002 | EP1199782A2 Separation of protection and automation functions in a protective relay for power systems |
| 04/23/2002 | US6377427 Arc fault protected electrical receptacle |
| 04/20/2002 | CA2359456A1 Separation of protective and automation functions in a protective relay for power systems |
| 04/17/2002 | EP1110287B1 Protection device for low voltage networks |
| 04/16/2002 | US6373257 Arc fault circuit interrupter |
| 04/10/2002 | EP1195876A2 Digital protective relay system |
| 04/10/2002 | CN1344000A Universal network matchable digital rated value plug of circuit breaker electronic tripping operation unit |
| 04/10/2002 | CN1082737C Connection in particular plug-in connector for TT and TN networks |
| 04/10/2002 | CN1082734C Gas-filled surge protector with external short circuiting device |
| 04/09/2002 | US6370001 Circuit protector with self-test circuit |
| 04/09/2002 | CA2284418C Arc fault circuit interrupter without dc supply |
| 04/09/2002 | CA2026401C Solid state overload relay |
| 04/04/2002 | WO2002027132A1 Power closure sensor system and method |
| 04/04/2002 | US20020040266 Power closure sensor system and method |
| 04/04/2002 | US20020039008 Power closure sensor system and method |
| 04/03/2002 | EP1193823A2 Method for frequency protection of electric network component, and frequency relay |
| 04/03/2002 | EP1192701A1 A constant-frequency machine with a varying/variable speed |
| 04/02/2002 | US6366864 Adaptive sampling rate based on power system frequency |
| 03/28/2002 | WO2001095453A3 Fault current and differential current detection system capable of preventing spurious triggering of a protection system due to transient interference pulses |
| 03/27/2002 | EP1191692A1 Power module |
| 03/27/2002 | CN1341860A Device and method for determining local short-circuit |
| 03/26/2002 | US6362628 Arc fault circuit detector device detecting pulse width modulation of arc noise |
| 03/21/2002 | US20020033701 Arc fault circuit detector device detecting pulse width modulation of arc noise |
| 03/20/2002 | EP1189324A2 World wide web enabled and digital rating plug for electronic trip unit in circuit breakers |
| 03/20/2002 | EP1119891A4 A protective relay-based monitoring system of dc power within an electric power substation |
| 03/19/2002 | US6359763 Monitoring apparatus for electrical circuits |
| 03/14/2002 | WO2002021657A1 Fiber optic light sensor system |
| 03/14/2002 | US20020032026 Protection system for an electricity network having an infrared data transmission link using the wap protocol |
| 03/14/2002 | US20020030953 Circuit interrupting system with independent trip and reset lockout |
| 03/14/2002 | DE10041879A1 Load current measurement method in on-board power supply of vehicle, involves connecting fuse element parallel to load, where fuse element acts as shunt resistor |
| 03/13/2002 | EP1187289A1 Control device for an electric motor powered by ac |