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