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)
10/2003
10/09/2003CA2424090A1 Circuit breaker for detecting overload
10/07/2003CA2163181C Apparatus providing protection and metering in an ac electrical system utilizing a multi-function sampling technique
10/02/2003WO2003081741A1 Analogue electronic trip device for an electrical power breaker responding to a short-circuit
10/02/2003US20030187520 Method and apparatus for circuit breaker node software architecture
10/02/2003US20030184940 Trip unit input method and device using a multiple conductor current transformer
10/02/2003US20030184931 Pre-emptive circuit breaker with arc fault and fault lockout short circuit protection
10/02/2003US20030184279 Current monitoring system
10/01/2003EP1349251A2 Semiconductor switching device with a multi-source power FET having a sense current path allowing a predetermined number of reconnection attempts before shutdown
09/2003
09/30/2003US6628496 Protection system for an electricity network having a data transmission radio link
09/30/2003US6628487 Method and apparatus for detecting upstream series arc faults
09/25/2003WO2003079511A1 Circuit protection system
09/25/2003US20030179528 Methods and devices for optimizing power consumption of trip units containing microprocessors
09/24/2003EP1346453A1 Substation control system
09/24/2003EP1346450A1 Low-voltage electronic residual current circuit breaker
09/24/2003CN1444788A Ground fault interrupter
09/23/2003US6625551 Fault current and differential current detection system capable of preventing spurious triggering of a protection system due to transient interference pulses
09/23/2003US6625550 Arc fault detection for aircraft
09/23/2003US6624999 Electrostatic discharge protection using inductors
09/23/2003CA2165929C Circuit interrupter providing protection and waveform capture for harmonic analysis
09/17/2003CN1443316A Protection zone selection system in relay based on microprocessor of electric power system
09/16/2003US6621672 Circuit breaker having analog override
09/16/2003US6621669 Arc fault receptacle with a feed-through connection
09/16/2003CA2162350C Circuit breaker using bimetal of thermal-magnetic trip to sense current
09/11/2003US20030171866 Method for controlling and adjusting a motor-driven adjusting device
09/11/2003US20030169548 Breaker failure annunciator system
09/11/2003US20030169545 Low energy pulsing device and method for electrical system arc detection
09/11/2003US20030169544 Method and apparatus for detecting electrical faults and isolating power source from the electrical faults
09/10/2003EP1342303A1 System and method for the data transmission of digital transmission data
09/09/2003US6618229 Aircraft applicable current imbalance detection and circuit interrupter and packaging thereof
09/09/2003US6617858 Method and circuit for measuring a current
09/09/2003US6617839 Method for detecting current transformer saturation
09/05/2003CA2420926A1 Low energy pulsing device and method for electrical system arc detention
09/04/2003WO2003073580A2 Processing system for a power distribution system
09/04/2003WO2003073576A2 Method and apparatus for ground fault protection
09/04/2003WO2003073572A2 Method and apparatus for optimized centralized critical control architecture for switchgear and power equipment
09/04/2003WO2003073571A2 External clock to obtain multiple synchronized computer
09/04/2003WO2003073454A2 Circuit breaker lockout
09/04/2003WO2003073312A1 Method and apparatus for minimally invasive network monitoring
09/04/2003WO2003073224A2 Electrical protection system for reliability improvement based on sensitivity analysis
09/04/2003WO2003073221A2 Integrated protection, monitoring and control system
09/04/2003WO2003073214A2 Method for communicating information bundled in digital message packets
09/04/2003WO2003073188A1 Configuring a centrally controlled circuit breaker protection system
09/04/2003WO2003073182A1 Method and apparatus for optimizing a redundant critical control system
09/04/2003WO2003073181A1 Data sample and transmission modules for power distribution systems
09/04/2003WO2003073180A1 Method and apparatus for circuit breaker node software architecture
09/04/2003WO2003073179A1 Method and apparatus for node electronics unit architecture
09/04/2003WO2003073178A1 Method and system for conditionally triggered system data capture
09/04/2003WO2003073177A1 Method for power distribution system components identification, characterization and rating
09/04/2003WO2003073176A1 Protection system for power distribution systems
08/2003
08/28/2003US20030161165 Power supply device for low-voltage electronic residual current circuit breakers
08/27/2003EP1338066A1 An improved digital protection and control device
08/27/2003EP0715791B1 An apparatus for protecting a subscriber line interface circuit against overvoltages
08/27/2003CN1438489A Apparatus and method for detecting self-power-supply of flashing fault in electric power system
08/26/2003US6611771 Method and apparatus to detect a stator turn fault in an AC motor
08/26/2003US6611411 Trip signal verifying method and apparatus
08/26/2003US6611136 Device for determining the primary current of a current transformer comprising saturation correction means
08/21/2003WO2003069754A1 Protective relay apparatus comprising photoelectriccurrent sensor
08/21/2003US20030156367 Arc fault circuit interrupter with upstream impedance detector
08/20/2003EP1337024A1 Detection of a quiescent state signal in a remotely controlled trip device
08/20/2003EP1153379A4 Modular power quality monitoring device
08/19/2003US6608742 Voltage and current source selection system for use in the protection, automation and control of an electric power system
08/19/2003US6608741 Two winding resonating arc fault sensor which boosts arc fault signals while rejecting arc mimicking noise
08/14/2003WO2003023946A3 Crossover fault classification for power lines with parallel circuits
08/14/2003US20030151871 Reception of digitally coded protection signals in a remote tripping device
08/14/2003US20030151414 Self-powered apparatus and method for optically detecting arcing faults in electric power systems in the presence of other light sources
08/13/2003EP1335467A1 Receiving digitally coded protection signals in a remotely controlled breaker
08/13/2003EP1335466A2 Self-powered apparatus and method for optically detecting arcing faults in electric power systems in the presence of other light sources
08/13/2003CN1436298A Internal fault indicator for power electrical devices
08/12/2003CA2417693A1 Self-powered apparatus and method for optically detecting arcing faults in electric power systems in the presence of other light sources
08/07/2003WO2003065533A1 Method for detecting saturation in a current transformer
08/07/2003US20030147420 Wireless communications hub with protocol conversion
08/07/2003US20030146849 Phase difference detection device and method for a position detector
08/07/2003CA2474052A1 Method for detecting saturation in a current transformer
08/06/2003EP1333552A2 Method and apparatus for fault condition detection in the power supply to a load
08/06/2003CN1435001A Software-controlled evaluation of fawlt currents for protection and monitoring systems
08/05/2003US6603298 System for estimating the frequency of the power signal on a power transmission line
08/05/2003US6603290 Anti-islanding detection scheme for distributed power generation
07/2003
07/31/2003WO2003063318A1 Method of detecting obstructions caused by motor-driven power windows and similar devices using fuzzy logic algorithms
07/31/2003US20030142449 Device and method for determining intermittent short circuit
07/31/2003US20030142230 Camera system including a safety circuit
07/31/2003DE10155795C1 Current arcing location method for automobile current network uses reduction of supply voltage for each partial network in turn for location of arcing by process of elimination
07/30/2003CN1433585A Circuit breaker remote service system
07/29/2003US6600641 Overcurrent protection for the series fuse
07/29/2003US6598604 Fault protection system for a respiratory conduit heater element
07/24/2003US20030137392 Fault sensing wire and alarm apparatus
07/24/2003US20030137309 Method for discriminating abnormal current including arc current in AC load circuit and apparatus for executing the same
07/23/2003EP1329733A2 Arcing fault detection system
07/22/2003US6597160 Method for measuring fundamental frequency component of fault current or voltage signal
07/17/2003WO2003058663A1 Control system for electrical switchgear
07/17/2003US20030135337 Power line monitoring and interrupt method and apparatus
07/17/2003US20030133236 Device safety system and method
07/17/2003CA2472274A1 Control system for electrical switchgear
07/16/2003EP1327776A2 Overload control for a compressor system
07/16/2003CN1430316A Difference current protector
07/15/2003US6594125 Vehicle electrical system arc detection apparatus and method
07/15/2003US6591482 Assembly methods for miniature circuit breakers with electronics
07/15/2003CA2230260C 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
07/10/2003WO2003056679A1 High speed transfer system
07/10/2003WO2003056677A1 Distribution switchboards auxiliary supply system
07/10/2003WO2003056676A1 A medium voltage integrated switchgear
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