high-impedance faults detection
DETECTION OF HIGH IMPEDANCE FAULTS IN DISTRIBUTION FEEDERS - K-NEAREST NEIGHBOR METHOD
... High-impedance faults (HIFs) caused by downed conductors in electric power systems are in general difficult to be detected using traditional protection relays due to small fault ...linear ...
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Arcing High Impedance Fault Detection Using Real Coded Genetic Algorithm
... in high impedance fault detection is not just system protection, but to improve ...relatively high current level to prevent tripping by inrush currents thereby causing unnecessary service ...
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High Impedance Fault Detection and Location in a Power Transmission Line Using ZIGBEE
... occurring faults in the power distribution system can be detected by the current relays installed in it and then cutoff the supply to the feeder containing the ...produce high impedance which cannot ...
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Fault Cause Identification and High Impedance Fault Detection in Distribution Feeders.
... 11 In [17], a tree fault classifier and an animal fault classifier was developed using Logistic Regression (LR) and Artificial Neural Network (ANN) and their performance was compared. It was found that the performance of ...
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Implementation of Neural Network for High Impedance Fault Detection
... as high impedance fault, and they have proposed that high impedance faults exhibit marked increase in the high frequency current components over normal system conditions which ...
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FUZZY LOGIC TECHNIQUE FOR HIGH IMPEDANCE FAULT DETECTION IN DISTRIBUTION FEEDER
... the detection of HIF involved the straight measurement of primary electrical quantities/parameters, ...by high impedance faults and other transient events occur on electrical power system, ...
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High Impedance Fault Detection of Distribution Network by Phasor Measurement Units
... for High Impedance Fault (HIF) detection using Phasor Measurement Unit ...of faults is difficult to detect by over current protection relays because of low fault ...
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High impedance earth fault modelling
... fault detection techniques. Detection of faults historically relied on the use of fundamental power system signals to distinguish between normal operation and fault ...system faults to ...
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High-Sensitivity Vegetation High-Impedance Fault Detection Based on Signal's High-Frequency Contents
... HIF detection method, security should come as a priority over dependability since HIFs occurrences do not cause great stresses in the system’s equipment, and false trips may lead to severe consequences in terms of ...
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Title: A NEW GENERIC SEARCHING ALGORITHM FOR HIGH FAULT IMPEDANCE DETECTION IN TELEPHONE SYSTEM NETWORK
... The training and testing of the feed forward neural network for distinguishing the linear and nonlinear faults is done using a new generic algorithm. The first step in training a feed forward is to create the ...
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Intelligent Transmission Line Fault Diagnoser
... ABSTRACT: Early diagnosis of fault that might occur in the supervised process renders it possible to perform important preventing action. Neural network can filter out noise and disturbance. It can provide stable, highly ...
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Detection of voltage levels and line faults in powerlines
... Usually power system networks are protected with switchgear protection equipment’s such as circuit breakers and relays in order to limit the loss of services due to the electrical failures after the occurrence of fault. ...
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Quality Analysis of Dependable Systems: A Developer Oriented Approach
... a high level of automation is achieved since the developer is requested only to specify quality attributes within the architecture, from which formal models processed by existing analysis tools are automatically ...
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ANN based Open Conductor Fault Detector for Protection of Two Parallel Circuit Transmission Lines
... investigated using fuzzy logic is present in[7].A single neural network for fault distance location for all shunt fault is proposed in [8].A novel low order harmonics current pattern for high impedance ...
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HARDWARE IMPLEMENTATION OF SATELLITE IMAGE COMPRESSION FILTER USING LIFTING BASED5/3 WAVELETS
... simultaneous faults, but can’t select exactly the attacked ...for detection and insulation in real time of multiple simultaneous faults in ...simultaneous faults on each ...
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1600 faults in 100 projects: automatically finding faults while achieving high coverage with EvoSuite
... triggering faults, while producing representative test sets for any chosen coverage ...real faults in the 100 open source ...actual faults, but these are buried within many failures that are caused ...
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Detection and Correction of Malicious and Natural Faults in Cryptographic Modules
... the faults to decide which of them are due to natural causes or due to malicious ...malicious faults. For instance, a system which operates in a high-radiation environment may be equipped with a ...
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A Review on Detection and Monitoring of Stator Faults of Induction Motors
... reasonable high efficiency, maintenance and repair costs compared to other ...Motors faults always have been important since the discovery of electric ...Fault detection and prediction methods can be ...
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Active Incipient Fault Detection With Multiple Simultaneous Faults.
... Passive detection is particularly useful for systems that are restrictive to auxiliary signals due to safety, material, or sensitivity ...certain faults can be masked as the system goes through its normal ...
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Comprehensive Modulation and Classification of Faults and Analysis Their Effect in DC Side of Photovoltaic System
... Nowadays photovoltaic (PV) panels are used in several sector of industry. They could be found, on building roofs, illuminated highway signs [1], etc. where rural electrification is embryonic [2], even in infrastructure ...
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