Patents for H02H 1 - Details of emergency protective circuit arrangements (5,580) |
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12/11/2008 | US20080304190 Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof |
12/10/2008 | EP1078432B1 Power circuit breaker |
12/09/2008 | US7463471 Spark-gap device, particularly high-voltage spark-gap device |
12/09/2008 | US7463470 Electrical barrier |
12/09/2008 | US7463467 Relay-to-relay direct communication system and method in an electric power system |
12/09/2008 | US7463462 Nuisance trip reducing motor control system and method |
12/09/2008 | US7463124 Circuit interrupting device with reverse wiring protection |
12/04/2008 | WO2008146040A1 System for identifying fire risk |
12/04/2008 | WO2008145694A1 Method for correcting a secondary current path of a current converter disturbed by saturations, and electric field device for conducting said method |
12/04/2008 | US20080297969 Resistive Films for Electrode Peak-Field Suppression |
12/03/2008 | EP1911058B1 Safety switching unit for controlling a safety device into a safe state |
12/03/2008 | EP1673843B1 System and methods for immobilization prompting movement by the target |
12/03/2008 | EP1504315B1 Electric load management center |
12/03/2008 | EP1454332B1 Method for predicting a future voltage and/or current curve |
12/03/2008 | CN100440665C Method and apparatus for control of an electric power distribution system in response to circuit abnormalities |
12/03/2008 | CN100440664C CVT transient filter |
12/02/2008 | US7460348 Overload detector/enunciator |
12/02/2008 | US7460347 Systems and methods for performing a redundancy check using intelligent electronic devices in an electric power system |
12/02/2008 | US7460345 Data carrier comprising an integrated circuit with an ESD protection circuit |
11/27/2008 | WO2008113742A3 Compact secondary substation comprising an arcing fault protection system, a method for arcing fault protection in a compact secondary substation, and a control unit for performing the method |
11/27/2008 | WO2008022089A3 Surge suppression system for power over network cables |
11/27/2008 | DE112007000244T5 Drahtloses System für ein oder mehrere elektrische Schaltvorrichtungen Wireless system for one or more electrical switching devices |
11/26/2008 | EP1995856A2 A method for communication between a low potential level and a valve located on high voltage potential in a high voltage converter station as well as a device for such a communication |
11/26/2008 | CN100437652C Detector assembly suited to smoke alarms |
11/25/2008 | US7457097 Pressure assisted wafer holding apparatus and control method |
11/25/2008 | US7455055 Method of operation of, and protector for, high voltage power supply for electrostatic precipitator |
11/20/2008 | WO2008138557A1 Power switch for preventing accidental arcs |
11/19/2008 | EP1993181A2 Arc detector |
11/19/2008 | EP1991994A1 Surge protection device disconnector |
11/19/2008 | CN101309002A Method of start up at least a part of a wind power plant, wind power plant and use of the wind power plant |
11/19/2008 | CN100434924C Overcurrent detection method and detection circuit |
11/18/2008 | US7453681 Metal oxide varistor with a heat protection |
11/12/2008 | EP1989771A1 Systems, devices, and methods for arc fault management |
11/11/2008 | US7450363 Combination electrical connector |
11/11/2008 | US7450358 ESD protective circuit for an electronic circuit having two or more supply voltages |
11/11/2008 | US7450357 Electrostatic discharge protection circuit and semiconductor structure for electrostatic discharge |
11/06/2008 | WO2008132058A1 Power backup in a drive unit for a circuit breaker, and a circuit breaker |
11/05/2008 | CN100431230C Power supply device for low-voltage electronic residual current circuit breakers |
11/04/2008 | US7446436 Waveform correction filters |
10/29/2008 | EP1986302A1 Power backup in a drive unit for a circuit breaker, and a circuit breaker |
10/29/2008 | EP1103057B1 Arc fault detection system |
10/26/2008 | CA2629585A1 Trip indicator member, and limiter and electrical switching apparatus including a plurality of trip indicator members |
10/23/2008 | US20080259517 Network Protector |
10/22/2008 | CN101291081A Data sampling and transmission module for power distribution system |
10/22/2008 | CN100428869C Static eliminator |
10/22/2008 | CN100427887C Instantaneous overcurrent element for heavily saturated current in a power system |
10/21/2008 | US7440247 Gate coupling electrostatic discharge protection circuit with redundant structures |
10/16/2008 | WO2008054806A3 Systems and methods for arc fault detection |
10/16/2008 | US20080253054 Multi-Functional Energy Conditioner |
10/15/2008 | EP1980861A2 Electricity meter system with remote electricity stoppage |
10/15/2008 | CN101287325A Static eliminator |
10/14/2008 | US7436641 Device and system for wireless communications with a circuit breaker |
10/09/2008 | US20080246344 Arrangement for failsafe evaluation of a position encoder |
10/08/2008 | EP1977491A1 Load recognition and series arc detection using load current/line voltage normalization algorithms |
10/07/2008 | US7433169 Overvoltage protection devices including wafer of varistor material |
10/07/2008 | US7433167 Strike ring based electrostatic discharge protection |
10/07/2008 | US7433166 Constant current generator |
10/02/2008 | WO2007118047A3 Multi-frequency static neutralization |
10/02/2008 | US20080239610 Chip scale gas discharge protective device and fabrication method of the same |
10/01/2008 | EP1975967A1 Switching device with a device for wireless transmission of information on the status of a device |
10/01/2008 | EP1974426A1 Circuit breaker and method for sensing current indirectly from bimetal voltage and determining bimetal temperature and corrected temperature dependent bimetal resistance |
10/01/2008 | CN101277008A Arc flash elimination apparatus and method |
10/01/2008 | CN100423395C Protection apparatus and method for providing protection function in said protection apparatus |
10/01/2008 | CN100423394C Method for providing protection function in distribution network |
10/01/2008 | CN100423391C Separating apparatus |
09/30/2008 | CA2625391A1 Arc flash elimination apparatus and method |
09/25/2008 | WO2008113423A1 Method and device for evaluating fast current changes |
09/25/2008 | US20080232020 Lightning Diverter for Conducting a Lightning-Induced Electrical Current and a Method of Producing the Same |
09/25/2008 | CA2680385A1 Method and apparatus for evaluating rapid changes in current |
09/24/2008 | EP1973212A2 Ground fault interruption using DSP based SSPC module |
09/23/2008 | CA2278384C Miniaturized double pole circuit breaker with arc fault and ground fault protection |
09/17/2008 | EP1971007A1 System and method for fault protection in compact secondary substations |
09/17/2008 | EP1595152B1 Arc fault detection system |
09/17/2008 | EP1415389B1 Neutral pole location independent earth leakage detection circuit |
09/17/2008 | CN100419936C Method for compensating secondary current of current transformers |
09/12/2008 | WO2008087275A3 Electrically insulated current measuring device, electronic trigger, and circuit breaker comprising such a device |
09/10/2008 | CN201113362Y Automatic shedding type lightning arrestor |
09/10/2008 | CN101261543A Microcomputer protector digital keyboard input method |
09/09/2008 | US7423859 System for protecting computer equipment from lightning voltage surges |
09/04/2008 | WO2008106136A1 Method and apparatus for mitigation of dynamic overvoltage |
09/04/2008 | WO2008104849A1 Arc fault circuit interrupter and method of parallel arc fault detection |
09/04/2008 | WO2008104848A1 Arc fault circuit interrupter and method of parallel and series arc fault detection |
09/04/2008 | WO2008104510A1 Surge arrester having a varistor arrangement and varistor module for use in a surge arrester |
09/04/2008 | CA2679439A1 Surge arrester having a varistor arrangement, and varistor module for use in a surge arrester |
09/04/2008 | CA2678370A1 Arc fault circuit interrupter and method of parallel arc fault detection |
09/04/2008 | CA2678052A1 Arc fault circuit interrupter and method of parallel and series arc fault detection |
09/03/2008 | EP1044490B1 Method for electronic surveillance and control of the opening and closing procedure for electrically operated units |
08/28/2008 | WO2008103342A1 Device and method for detecting faulted phases in a multi-phase electrical network |
08/28/2008 | US20080204963 Overvoltage protection plug |
08/26/2008 | US7417840 Self-supplied electronic protection device for automatic circuit-breakers |
08/26/2008 | US7417836 Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof |
08/26/2008 | US7417835 Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof |
08/19/2008 | US7414538 Detector assembly suited to smoke alarms |
08/14/2008 | US20080192400 Overload and Short-Circuit Protection Device With a Breaker Ribbon |
08/13/2008 | EP1759467B1 Method and device for transmitting information through a power distribution network |
08/07/2008 | US20080186642 Circuit interrupting device with reset lockout and reverse wiring protection and method of manufacture |
08/07/2008 | US20080186116 Circuit breaker with independent trip and reset lockout |
08/06/2008 | CN101238623A Arc fault detector responsive to patterns in interval to interval change in integrated sensed current values |
08/06/2008 | CN101238536A Safety switching unit for controlling a safety device into a safe state |
08/06/2008 | CN100409530C Converter protector |