high impedance fault analysis
High impedance fault localization in a distribution network using the discrete wavelet transform
... Different HIF detection schemes have been proposed in the literature. Most of the detection schemes focus on identifying special features of the voltage and current signals associated with HIF. The irregularities in the ...
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Wavelet based and database approach for locating faulty section of high impedance fault in a distribution system
... multi-resolution analysis and a database approach is ...proposed fault location method has been tested on a typical 11kV distribution network system in ...
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High Impedance Fault Detection in MV Distribution Network using Discrete Wavelet Transform and Adaptive Neuro-Fuzzy Inference System
... of high impedance fault identification algorithms using a combination of computational intelligence methods such as ANN, Fuzzy, harmonic component analysis using Extreme Learning Machine ...
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FUZZY LOGIC TECHNIQUE FOR HIGH IMPEDANCE FAULT DETECTION IN DISTRIBUTION FEEDER
... The proposed new technique for HIF detection using Wavelet Transform and Fuzzy Logic.The simulation results of the developed HIF model, incorporated in MATLAB. Wavelet and Fuzzy Logic analysis for HIF, faults, ...
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Dynamic Analysis of TCSC on Distance Protection Relay & Its Mitigation
... a fault on a distance measurement between the fault and the point where it is ...of high-voltage ...the impedance Zd between the fault point and the relay, can liberate the distance ...
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New resonance type fault current limiter
... if fault continues, series resonance type FCL will not be able to limit level of fault current, so we propose parallel LC resonance type ...offers high impedance at resonant condition. It can ...
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High-Sensitivity Vegetation High-Impedance Fault Detection Based on Signal's High-Frequency Contents
... indicates fault occurrence when all the threshold conditions were ...transform analysis approach was proposed in [11], where the detection relied on the energy of determined low- frequency components ...
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Fault Cause Identification and High Impedance Fault Detection in Distribution Feeders.
... This project is coordinated by EPRI and they have maintained a standardized library of events which is publicly available. For each disturbance event, the current and voltage waveforms have been captured along with other ...
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Fast fault location scheme for distribution systems based on fault transients
... an impedance based fault location method using circuit analysis of the high frequency responses generated due to the fault is used to locate faults in integrated power distribution ...
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High impedance earth fault modelling
... self impedance and the leakage inductance between the coupled ...The impedance plots in Hasman (1987) are open to interpretation at the low end of the ...reason analysis of the impacts of frequency ...
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ANN based Open Conductor Fault Detector for Protection of Two Parallel Circuit Transmission Lines
... detection high impedance fault using neuron wavelet is present ...in[2].A fault classifier based k-nearest neighbor algorithm is present in ...cooperating analysis based on adaptive ...
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Modelling arcing high impedances faults in relation to the physical processes in the electric arc
... by high impedance arcing faults ...of fault transients requires detailed and comprehensive representation of all components in a system, while the transient studies need to be conducted into the ...
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Particle Swam Optimization Based Fault Location
... Adaptive Impedance-Based Fault Location Algorithm for Active Distribution Networks. Determining exact fault location in a distribution 362[r] ...
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Investigation of the sympathetic tripping problem in power systems with large penetrations of distributed generation
... pu fault current, even for a bolted short circuit at the inverter ...inverter fault response was approximated as shown in ...recorded fault current and the corresponding inverter terminal voltage for ...
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High Impedance Fault Detection Using Neural Networks Deepak Joshi, Ashish Kumar Singh, Avinash Sinha
... of fault detection encompass fractal techniques, expert system, neural networks and dominant harmonic vectors [9, ...of high frequency harmonics is not feasible in practical relay because of the filtering ...
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A NEW APPROACH TOWARD SYMMETRICAL FAULT ANALYSIS USING HARMONIC IMPEDANCE
... harmonics impedance from single phase and three phase ...harmonic impedance we study the behavior of it under symmetrical fault and without fault condition for three phase ...harmonic ...
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Short Term International Study For Teachers As A Form of Experiential Learning: A Case Study of American Educators in Turkey
... the fault protection algorithm is to ensure that the closest switch/switches (either two closest switches at both ends of the cable on a ring bus, or one closest switch at one end of the cable at the branch ...
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Title: A NEW GENERIC SEARCHING ALGORITHM FOR HIGH FAULT IMPEDANCE DETECTION IN TELEPHONE SYSTEM NETWORK
... electronic fault report is generated and stored in an electronic queuing system once the report makes its way to the head of the queue; it is then transferred to a maintenance engineer through their works ...
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Vol 3, No 1 (2017)
... based fault location technique is depending on the accuracy of fault detection system and the time stamping ...by high-pass filter and sample the remained frequency to determine whether a ...
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Experimental studies on impedance based fault location for long transmission lines
... of fault using voltage and current form both the ends of a ...transient fault data must be collected and synchronized from both ends of a trans- mission ...Digital Fault Recorders (DFRs) which is ...
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