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)
01/2013
01/09/2013CN102868135A Novel intelligent controller trip circuit
01/08/2013CA2508102C Arc fault circuit breaker and apparatus for detecting wet track arc fault
01/03/2013US20130003235 Surge current suppressing circuit
01/02/2013CN101277008B Arc flash elimination apparatus and method
01/01/2013US8345400 Surge suppression circuit for a load control device
12/2012
12/27/2012WO2012175779A1 Method and device for monitoring partial discharges
12/27/2012WO2012175108A1 Method and device for protection zone selection in a multiple busbar arrangement
12/26/2012EP2538511A1 Arc flash system for a power circuit
12/26/2012CN202633891U Function settable control and protection switch device
12/26/2012CN202633890U Protection circuit of relay in circuit breaker operating interface
12/25/2012US8339759 Relocatable power tap with surge protector
12/20/2012WO2012171694A1 A method for detecting earth faults
12/20/2012WO2012141835A3 Method and system for programming and implementing automated fault isolation and restoration using sequential logic
12/20/2012US20120320485 Leakage detection protection circuit with lightning protection
12/20/2012US20120320484 Fire Sentry
12/20/2012CA2778712A1 Surge arrester and gas-insulated electric apparatus
12/18/2012US8335069 Overvoltage protection element
12/18/2012US8335064 ESD clamp adjustment
12/12/2012EP2533060A1 Directional detection of resistive earth fault and medium-voltage conductor breakage
12/12/2012CN202602238U Automatic short-circuit protection device
12/12/2012CN102822689A Transient detector and fault classifier for a power distribution system
12/12/2012CN101512861B Method and differential protection device for generating fault signal for displaying fault of current transformer secondary circuit
12/12/2012CN101467322B Residual current device having voltage dependent and voltage independent modes of operation
12/11/2012US8331074 Grading devices for a high voltage apparatus
12/11/2012CA2558422C Systems, devices, and methods for detecting arcs
12/06/2012DE102011076906A1 Verfahren zum Betreiben eines Wechselrichters sowie Wechselrichter A method of operating an inverter and inverter
12/05/2012EP2530800A2 Distribution protection system and method
12/05/2012EP2529458A1 Arrangement for protecting, controlling and/or monitoring an electrical switchgear or energy supply system
12/05/2012CN1682419B Electrical network protection system
12/04/2012CA2444159C Arc fault detector with circuit interrupter
11/2012
11/29/2012WO2012159714A1 Residual-current protection for electric tools
11/29/2012WO2012159652A1 Method and system for detecting an arc fault in a power circuit
11/28/2012CN202565543U Backlight protection circuit of automobile switch
11/28/2012CN202564909U Under-voltage time-delay device of breaker
11/27/2012CA2659699C Devices, systems, and methods for adaptive rf sensing in arc fault detection
11/27/2012CA2411238C Circuit breaker for detecting an excessive voltage and tripping responsive thereto
11/22/2012WO2012155974A1 Method for generating a fault signal
11/21/2012CN101568983B Improved coupler
11/15/2012WO2012152304A1 Method and protective device for recognising a symmetrical short-circuit in a multi-phase electrical power supply network
11/13/2012US8310800 Fault detector for surge suppressor
11/13/2012US8310799 Transient voltage protection device, material, and manufacturing methods
11/07/2012CN101523678B Voltage measurements of electrically conducting elements in systems for controlling electrical processes
11/06/2012US8305721 Electrostatic discharge protection device and method thereof
11/06/2012US8305718 Low parasitic capacitance electrostatic discharge protection circuit
11/01/2012WO2012148644A2 Conductive polymer fuse
10/2012
10/30/2012US8300378 Method and apparatus for protecting power systems from extraordinary electromagnetic pulses
10/26/2012WO2012143361A1 Circuit assembly for an alternating current contactor, motor protection relay and method for producing a power supply unit
10/26/2012CA2833080A1 Circuit arrangement for an alternating current contactor, motor protection relay and method for producing a voltage supply
10/24/2012EP2515403A1 Circuit arrangements for an alternating current contactor, motor protection relay and method for producing a voltage supply
10/24/2012EP2514057A2 Direct current arc fault circuit interrupter, direct current arc fault detector, noise blanking circuit for a direct current arc fault circuit interrupter, and method of detecting arc faults
10/24/2012EP2514056A1 Method for testing electric components in a mains supply, in particular in a mains supply for a building
10/24/2012CN202503257U Self-powered intelligent protection apparatus
10/23/2012US8295018 Transmission-line-based ESD protection
10/17/2012EP2511997A2 Method and apparatus for control of an electric power system in response to circuit abnormalities
10/17/2012EP2510367A1 Method for arc detection and devices thereof
10/17/2012CN102742108A Arrangement for protecting, controlling and/or monitoring an electrical switchgear or energy supply system
10/17/2012CN102738764A Electronic controller for breaker
10/16/2012CA2558860C Digital signal processor implementation of high impedance fault algorithms
10/16/2012CA2503583C Method and apparatus for control of an electric power system in response to circuit abnormalities
10/11/2012WO2012136390A1 An apparatus for testing an arc fault detector
10/10/2012CN202488083U Analogue integrated circuit of universal protector
10/04/2012DE112009002062T5 Automatisierungsvorrichtungen mit integrierten Kommunikationsservern Automation devices with integrated communications servers
10/03/2012EP2506379A2 System and method for assuring utility network security and reliability
10/03/2012CN1348623B Method and apparatus for automated reconfiguration of an electric power distribution system with enhanced protection
09/2012
09/27/2012WO2012127007A1 Domestic appliance with protection circuit
09/27/2012WO2012126504A1 Method and device for linearizing a transformer
09/25/2012US8274775 Electrical protection component with a short-circuiting device
09/25/2012US8274774 Intrinsically safe communications circuit
09/20/2012WO2012125238A2 Methods, systems, and apparatus and for detecting parallel electrical arc faults
09/19/2012CN102687357A Direct current arc fault circuit interrupter, direct current arc fault detector, noise blanking circuit for a direct current arc fault circuit interrupter, and method of detecting arc faults
09/19/2012CN102684135A Method for protecting relay in operation interface of breaker
09/18/2012US8270139 Adjustable arc electrode assembly and method of assembling
09/18/2012US8270137 Interposer for an integrated DC-DC converter
09/18/2012CA2329127C Mimic high pass filter in a protective relay
09/17/2012DE202011051561U1 Vorrichtung zur Unterbrechung und/oder Begrenzung eines Gleichstroms A device for interrupting and / or limiting a direct current
09/11/2012US8264813 Electrostatic chuck device
09/11/2012US8264811 Apparatus for the dispersal and discharge of static electricity
09/07/2012WO2012116722A1 Method and system for detecting an arc fault in a power circuit
09/05/2012CN101291081B Data sampling and transmission module for power distribution system
09/04/2012US8259430 Surge protection device for isolating premise devices
09/04/2012US8259429 Amplification relay device of electromagnetic wave and a radio electric power conversion apparatus using the device
08/2012
08/30/2012WO2012113419A1 Method for identifying arcing faults and circuit breaker
08/30/2012CA2827522A1 Method for identifying arcing faults and circuit breaker
08/29/2012CN102652386A Method for testing electric components in mains supply, in particular in mains supply for building
08/29/2012CN101771241B Method and device for protecting optical transceiver from destruction of thunder and surge pulse
08/28/2012US8254071 Method and apparatus of providing 2-stage ESD protection for high-speed interfaces
08/22/2012CN202395414U A circuit protection device and an electronic circuit comprising the same
08/22/2012CN101615539B Release sampling circuit
08/21/2012US8248740 High speed current shunt
08/21/2012US8246770 Copper grid repair technique for lightning strike protection
08/21/2012CA2686750C Power switch for preventing accidental arcs
08/16/2012DE112010002582T5 Störlichtbogenerkennungssystem Störlichtbogenerkennungssystem
08/14/2012US8243413 Polymer surge arrester
08/14/2012US8243406 ESD protection device and composite electronic component of the same
08/09/2012US20120200978 Modular and weather resistant overvoltage protection system for wireless communication systems
08/08/2012EP2483981A1 Communication network for a low voltage electric switchgear
08/07/2012US8238069 ESD protection device
08/02/2012WO2012056287A3 A protection relay for sensitive earth fault prtection
08/01/2012EP2482410A1 Relay and method for protecting transformer, transformer protecting system having the same
08/01/2012EP2482409A2 DC Arc fault detection and protection
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ... 56