| Patents for H02H 1 - Details of emergency protective circuit arrangements (5,580) |
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| 09/27/2001 | WO2001071874A2 Cvt transient filter |
| 09/27/2001 | DE10010092A1 Device for selectively switching off faulty circuit in low voltage supply network, actuates switch-off device if current exceeds threshold, frequency is below threshold and after defined time |
| 09/25/2001 | US6295190 Circuit breaker arrangement with integrated protection, control and monitoring |
| 09/20/2001 | WO2001015183A3 Circuit breaker with independent trip and reset lockout |
| 09/19/2001 | EP0993694B1 Method for monitoring an electric circuit |
| 09/19/2001 | CN1314018A Circuit for detecting an inadmissibly high current in an output stage |
| 09/18/2001 | US6292717 Energy information device and graphical display for a circuit breaker |
| 09/18/2001 | US6292337 Electrical system with arc protection |
| 09/13/2001 | WO2000048281A9 Distributed logic in multiple protective relays |
| 09/13/2001 | US20010021091 Protective circuit against persistent overvoltage in an electronic unit |
| 09/13/2001 | DE10010924A1 DC supply device using AC current source, e.g. for protective switch trip circuit, has rectifier arrangement with associated electronic switch and storage capacitor |
| 09/12/2001 | EP1133042A2 A contactor and trip circuit therefor |
| 09/12/2001 | EP1131871A1 Instantaneous arc fault light detector with resistance to false tripping |
| 09/11/2001 | US6288882 Circuit breaker with independent trip and reset lockout |
| 09/05/2001 | EP1130738A2 Electrical protection and control system |
| 09/04/2001 | US6285292 Electronic trip device comprising an initialization device |
| 08/30/2001 | WO2001063765A1 Power module |
| 08/29/2001 | CN1310874A Fault data synchronization via peer-to peer communications network |
| 08/28/2001 | US6282070 Circuit interrupting system with independent trip and reset lockout |
| 08/23/2001 | US20010015011 Arcing fault detection circuit breaker with strain relieved electrical tap |
| 08/22/2001 | EP1126572A2 Arc fault detector responsive to average instantaneous current and step increases in current and circuit breaker incorporating same |
| 08/21/2001 | CA2212167C Measuring system for enclosed high-voltage switchgear |
| 08/17/2001 | CA2337446A1 Arc fault circuit interrupter recognizing arc noise burst patterns |
| 08/14/2001 | US6275044 Arcing fault detection system |
| 08/08/2001 | CN1307387A Improvement of electric protection and control system |
| 08/07/2001 | US6271759 Controlling and monitoring an electrical system |
| 08/03/2001 | CA2334134A1 Afci which detects and interrupts line side arcing |
| 08/01/2001 | EP1119891A1 A protective relay-based monitoring system of dc power within an electric power substation |
| 08/01/2001 | CN1306329A Method and equipment for instaneous fault detecting circuit |
| 08/01/2001 | CN1069151C Electronic trip device comprising power supply device |
| 07/31/2001 | US6268989 Residential load center with arcing fault protection |
| 07/26/2001 | DE19964097A1 Overvoltage protection circuit for electronic unit onboard automobile has integrator receiving switch signal from overvoltage indicator for opening switch to prevent overheating |
| 07/25/2001 | CN1068986C Overcurrent trip device |
| 07/24/2001 | US6266219 Combination ground fault and arc fault circuit interrupter |
| 07/18/2001 | EP1116312A1 Power supply device for protective devices for switchgear |
| 07/18/2001 | CN1304492A Method and circuit for measuring current |
| 07/18/2001 | CN1304198A Residual current circuit breaker |
| 07/18/2001 | CN1068702C Protective relay having out-of-step logic capability |
| 07/17/2001 | US6262872 Electronic trip unit with user-adjustable sensitivity to current spikes |
| 07/12/2001 | WO2001050569A2 Power supply device for an electronic protection unit |
| 07/12/2001 | WO2001050565A1 An improved electronic earth leakage current device |
| 07/12/2001 | WO2001050564A1 A digital relay having an improved man-machine interface |
| 07/12/2001 | CA2395946A1 A digital relay having an improved man-machine interface |
| 07/10/2001 | US6259996 Arc fault detection system |
| 07/10/2001 | US6259972 Method for processing and disseminating utility outage information |
| 07/10/2001 | CA2295286A1 A simplified leakage current circuit breaking and overcurrent protection device |
| 07/05/2001 | DE19961267A1 Verfahren zur Vermeidung des Auftretens von stromstarken Störlichtbögen A method for preventing the occurrence of high-current arc faults |
| 07/04/2001 | EP1113556A1 A digital relay having an improved man-machine interface |
| 07/04/2001 | CN1302465A Adaptive sampling rate based on power system frequency |
| 07/04/2001 | CN1302464A Multiple communications protocols in a protective relay |
| 07/03/2001 | US6255923 Arc fault circuit breaker |
| 07/03/2001 | CA2248617C Window opening and closing apparatus |
| 06/27/2001 | EP1111752A2 Instantaneous fault detection circuit method and apparatus |
| 06/27/2001 | EP1111750A1 Protective device for electrical faults |
| 06/27/2001 | EP1110288A1 Drive device and method for moving a vehicle part |
| 06/27/2001 | EP1110287A1 Protection device for low voltage networks |
| 06/27/2001 | CN1301074A Protector for electric faults |
| 06/26/2001 | US6252439 Current level detector device for protecting a circuit against alternating current overcurrents |
| 06/26/2001 | US6252365 Breaker/starter with auto-configurable trip unit |
| 06/21/2001 | WO2001045226A1 Overcurrent protection for the series fuse |
| 06/20/2001 | EP1109279A2 Method for preventing the occurence of high intensity electric arcs |
| 06/20/2001 | CN1300456A Distributed logic in multiple protective relays |
| 06/14/2001 | WO2001043254A1 Circuit device for supplying energy to electronic trigerring devices |
| 06/14/2001 | WO2001043253A2 System for power transformer differential protection |
| 06/14/2001 | WO2001042802A1 Method for diagnosing degradation in aircraft wiring |
| 06/13/2001 | EP1107415A2 Residual current breaker |
| 06/13/2001 | EP1105956A1 Arcing fault detection system |
| 06/13/2001 | EP1105955A1 Circuit for detecting an inadmissibly high current in an output stage |
| 06/13/2001 | EP1105901A1 Circuit interrupting system with independent trip and reset lockout |
| 06/13/2001 | DE19959789A1 Integrator circuit for trigger circuit of power switch with Rogowski coil |
| 06/13/2001 | DE19959787A1 Electronic over-current release of power switch with Rogowski coil |
| 06/13/2001 | DE19959786A1 Schaltungsanordnung zur Energieversorgung von elektrischen Auslöseeinrichtungen Circuit arrangement for supplying power to electrical tripping devices |
| 06/12/2001 | US6247003 Current transformer saturation correction using artificial neural networks |
| 06/12/2001 | US6246562 Control device of an electromagnet, with a power supply circuit supplied by the holding current of the electromagnet |
| 06/12/2001 | US6246558 Circuit interrupting device with reverse wiring protection |
| 06/12/2001 | US6246556 Electrical fault detection system |
| 06/07/2001 | DE19952507A1 Electrical short-circuiting device for power distribution switchgear |
| 06/05/2001 | US6243244 Method for automated reconfiguration of a distribution system using distributed control logic and communications |
| 06/05/2001 | US6242993 Apparatus for use in arcing fault detection systems |
| 06/05/2001 | US6242922 Arc detection architecture based on correlation for circuit breakers |
| 05/30/2001 | EP1104069A2 Energy validation arrangement for a self-powered circuit breaker |
| 05/30/2001 | EP1104068A2 Energy validation arrangement for a self-powered circuit breaker |
| 05/30/2001 | EP1104067A2 Energy validation arrangement for a self-powered circuit breaker |
| 05/30/2001 | EP1103057A1 Arc fault detection system |
| 05/29/2001 | CA2222379C Procedure for distinguishing between an internal arc and a breakdown arc in an electrical installation under a metallic sheathing |
| 05/23/2001 | EP1102403A1 Operation monitoring for a transformer |
| 05/23/2001 | CN1296656A Mimic high pass filter in a protective relay |
| 05/17/2001 | DE19954950A1 Detecting short circuit in distribution network, involves drawing conclusion regarding existence of short circuit by combined evaluation of threshold and uncertainty monitoring |
| 05/15/2001 | US6233128 Data retention in a circuit breaker |
| 05/15/2001 | US6232751 Excitation control system |
| 05/09/2001 | EP1098416A2 Circuit breaker communication and control system |
| 05/09/2001 | EP1098414A2 Auto chopping control during data aquisition for a circuit breaker |
| 05/08/2001 | US6229680 Apparatus and method for optically detecting arcing faults in electric power systems in the presence of other light sources |
| 05/08/2001 | US6229679 Arc fault circuit interrupter without DC supply |
| 05/03/2001 | DE19954038A1 Low-voltage (LV) circuit-breaker release |
| 04/25/2001 | EP1093680A1 Adaptive sampling rate based on power system frequency |
| 04/24/2001 | US6222716 Power line protection devices and methods for providing overload protection to multiple outputs |
| 04/19/2001 | WO2000036623A9 Circuit breaker with multiple test switch assembly |
| 04/10/2001 | CA2078452C Arrangement for accurately sensing voltage of a high-impedance source and supplying power to a variable burden |
| 04/07/2001 | CA2323009A1 Protection system for devices in an electrical distribution network |