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)
01/2011
01/12/2011CN101394077B Digital protective relay system
01/11/2011US7869181 Flex circuit lightning protection applique system for skin fasteners in composite structures
01/11/2011US7869180 Spark gap apparatus and method for electrostatic discharge protection
01/11/2011US7868273 Microwave generator
01/05/2011EP2270944A2 Arc flash detector
01/05/2011DE102009031647A1 Device for limiting short-circuit current in low-voltage plant for alternating current, comprises monitoring unit for sending error signal corresponding to fault arc, and current detection unit for transmission of overcurrent signal
01/05/2011CN101939888A Industrial arc fault circuit interrupter and method of detecting arcing conditions
01/05/2011CN101562328B Residual current circuit breaker
12/2010
12/30/2010US20100328834 Polymer surge arrester
12/30/2010US20100328832 Electrical Composite Element
12/29/2010EP2266176A1 Monitoring device
12/29/2010EP1453173B1 Overload current protection apparatus
12/29/2010CN201690212U Intelligent release of circuit breaker
12/29/2010CN201690201U Clock-synchronizing circuit of electric power protection device
12/28/2010US7860615 Method and apparatus for control of an electric power distribution system in response to circuit abnormalities
12/23/2010WO2010147832A1 Arc flash detection system
12/23/2010US20100321837 Electronic protection unit for automatic circuit breakers and relative process
12/22/2010CN101925828A Method and apparatus for testing AFCI device for series arc detection
12/21/2010US7855867 PON transceiver with a surge protection circuit
12/21/2010US7855863 Driver with electrostatic discharge protection
12/16/2010WO2010144689A1 Circuit protection device for photovoltaic systems
12/16/2010WO2010142525A1 Protection lockout in substation automation
12/16/2010US20100314940 Energy-saving electrical power system
12/15/2010EP2262073A2 Safety system and method for pump and motor
12/15/2010EP2262072A2 Apparatus for preventing over/under voltage, light emitting module and display apparatus
12/15/2010EP2260312A2 Arc fault root-cause finder system and method
12/09/2010WO2010140055A1 Impedance-based current sensor
12/09/2010US20100309598 Surge Arrester with Low Response Surge Voltage
12/09/2010CA2764348A1 Impedance-based current sensor
12/08/2010CN1679217B Apparatus and method for powering multiple magnetrons using a single power supply
12/08/2010CN101911416A Electronic protection unit for automatic circuit breakers and relative process
12/08/2010CN101911240A Residual current protection switch
12/08/2010CN101911239A Arc protection module
12/08/2010CN101000988B Multiple planar inductive loop surge suppressor
12/01/2010EP2255425A1 Electronic dc circuit breaker
12/01/2010EP2255424A1 A standalone self-supplied numeric controlled relay
12/01/2010CN101371414B Circuit breaker and method for sensing current indirectly from bimetal voltage and determining bimetal temperature and corrected temperature dependent bimetal resistance
11/2010
11/24/2010EP2254215A1 Circuit arrangement
11/24/2010EP2254214A2 Circuit breaker and method of controlling its operation
11/24/2010CN101006630B Method of determining the correct average bias compensation voltage during a plasma process
11/23/2010US7839616 Load current sensing technique
11/18/2010WO2010130296A1 Fpaa-based mho distance protection relay and method of realizing such a relay
11/17/2010EP2251952A2 Systems, methods, and devices for controlling a serial arc fault in an electrical circuit
11/17/2010EP1078431B1 Mimic high pass filter in a protective relay
11/17/2010CN201639255U Power distribution system using filtering trap circuit for providing arc-fault tripping coordination system and electric switch equipment
11/17/2010CN1639651B Data sample and transmission modules for power distribution systems
11/17/2010CN1639649B Method and system for conditionally triggered system data capture
11/11/2010US20100284118 Lightning Arrester
11/11/2010DE102009019831A1 Schaltungsanordnung Circuitry
11/02/2010US7826194 Tunable lambda/4 filter subassembly
11/02/2010US7826188 Methods, design structures, and systems for current mode logic (CML) differential driver ESD protection circuitry
11/02/2010US7826185 Structure and circuit technique for uniform triggering of multifinger semiconductor devices with tunable trigger voltage
10/2010
10/28/2010WO2010094049A8 Circuit breaker having detection of the aperiodic current change
10/27/2010EP2243147A1 Residual current device
10/27/2010CN1961464B Surge discharger
10/26/2010US7822355 Method and device to prevent dust agglomeration on corona electrodes
10/26/2010US7821765 Ion generating light assembly
10/26/2010US7821758 Systems and methods for reducing intermodulation distortion
10/21/2010US20100265627 Surge Arrester with Thermal Overload Protection
10/19/2010US7817398 Surge arrestor mounting system
10/19/2010US7817395 Overvoltage protection element and ignition element for an overvoltage protection element
10/19/2010US7817057 Wrist strap monitor remote alarm panel display
10/12/2010US7813818 Medium voltage integrated switchgear
10/12/2010US7813099 Power line outlet strip and method for powerline communications
10/12/2010CA2316050C Earth protection device sensitive to arc currents, trip device and circuit breaker comprising such a device
10/06/2010EP2235549A1 Method and apparatus for testing afci device for series arc detection
10/06/2010CN1645701B Surge lightning protection device
10/05/2010US7808761 Extension cord having a temperature indicator
10/05/2010CA2539050C A power converter with an adjustable output cable
09/2010
09/30/2010DE19736181B4 Einrichtung zur Datenübertragung mit einer Transpondereinheit Means for transmitting data to a transponder unit
09/29/2010EP2232659A1 Control of operation of protection relay
09/29/2010EP2232658A1 Electronic protection unit for automatic circuit breakers and relative process
09/28/2010US7804671 Electrostatic discharge protection circuit
09/22/2010EP2229685A1 Arc protection module
09/21/2010US7800882 Electrostatic shield and method of fabricating the same
09/21/2010US7800880 Earthing arrangement
09/15/2010CN201584740U Overvoltage protector box
09/15/2010CN1973414B Single-sensor microcontroller-based approach and system for ground fault circuit interrupters
09/14/2010US7796370 Apparatus and method for lightning sensor and controller
09/14/2010US7796367 Electrostatic discharge circuit
09/14/2010CA2393180C Device for actuating an electromagnet
09/14/2010CA2267005C Test circuit for verifying operation of an arc fault detector
09/08/2010CN1602535B Method for predicting a future voltage and/or current curve
09/02/2010WO2010096852A1 Detector unit for detecting high-frequency electric disturbances in electric networks
09/02/2010WO2010096851A1 Arc detector
09/01/2010CN201570844U Breaker circuit with microcomputer protection and switching-on/off dry contacts
08/2010
08/31/2010US7787230 Spark gap protection device
08/27/2010CA2692122A1 Microcontroller operated current limited switching power supply for circuit protective devices
08/26/2010WO2010094049A1 Circuit breaker having detection of the aperiodic current change
08/25/2010CN101238623B Arc fault detector responsive to patterns in interval to interval change in integrated sensed current values
08/24/2010US7782583 Electrostatic discharge protection device having low junction capacitance and operational voltage
08/24/2010US7781910 Building automation system
08/18/2010CN101809704A Control of the display background illumination in a power switch
08/17/2010US7778000 Measure for increasing the short-circuit resistance of a device by introducing parallel current paths
08/11/2010CN201549881U Self-triggered direct current reactor type current limiter
08/11/2010CN201549767U Titanium-base platinum discharge gap bar of transformer neutral point
08/10/2010CA2442172C Vehicle electrical system arc detection apparatus and method
07/2010
07/29/2010US20100188789 Window comparator circuit for limiting input voltage applied to object circuit
07/28/2010CN201536250U Self-power protective device
07/28/2010CN101790689A Measuring and/or switching device
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