An intelligent and cost-effective method for single-phase fault location in conventional distribution systems
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DOI: 10.1007/s00202-020-01008-4
Abstract: Fault location in medium voltage (MV) electricity distribution networks has always been a challenge, in particular, for the last few years. The existence of information only at the beginning of the feeder and the complexity… read more here.
Keywords: fault; location; method; fault location ... See more keywords
A random forest-based approach for fault location detection in distribution systems
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DOI: 10.1007/s00202-020-01074-8
Abstract: Finding the fault location in distribution network is difficult in comparison to transmission network based upon high branching and high impedances composed of the contact with environmental factors when a fault occurs. For this matter,… read more here.
Keywords: fault; fault location; random forest; forest based ... See more keywords
Fault location in distribution networks based on SVM and impedance-based method using online databank generation
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DOI: 10.1007/s00521-021-06541-2
Abstract: Fault location methods help to reduce outage time and improve reliability indices and therefore are important in practice. However, the performance of traditional fault location methods which are mainly developed for transmission grid is challenged… read more here.
Keywords: fault; methodology; method; fault location ... See more keywords
Impedance-based fault location methods: Sensitivity analysis and performance improvement
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DOI: 10.1016/j.epsr.2017.10.021
Abstract: Abstract This paper deals with analysis and improvement of two-terminal impedance based fault location methods for transmission lines. Firstly, a customised sensitivity analysis (CSA) for this class of methods is discussed, which allows a more… read more here.
Keywords: fault; location methods; fault location; based fault ... See more keywords
Unsynchronized fault-location technique for two- and three-terminal transmission lines
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DOI: 10.1016/j.epsr.2018.01.010
Abstract: Abstract In this work, a novel fault-locator technique for two- and three-terminal power transmission lines is introduced. Unsynchronized three-phase current and voltage measurements of all line ends are processed for estimating the required synchronization angle/s… read more here.
Keywords: fault; technique two; two three; fault location ... See more keywords
Accurate estimating remote end equivalent impedance for adaptive one-ended fault location
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DOI: 10.1016/j.epsr.2019.01.011
Abstract: Abstract Fault location algorithms encounter error because of disregarding the fault current injected from remote end bus. In this paper, a one-ended method is proposed for determination of remote end fault current, in order to… read more here.
Keywords: remote end; fault location; impedance; fault ... See more keywords
Transmission line fault location based on three-phase state estimation framework considering measurement chain error model
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DOI: 10.1016/j.epsr.2019.106048
Abstract: Abstract In this paper, a wide-area integrated method including a number of algorithms for transmission lines fault location, faulty line discrimination, fault type and faulted phase(s) identification is suggested. The proposed method is based on… read more here.
Keywords: fault; measurement; state estimation; fault location ... See more keywords
Single-phase ground fault location method for distribution network based on traveling wave time-frequency characteristics
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DOI: 10.1016/j.epsr.2020.106401
Abstract: Abstract The traditional traveling wave fault location methods only consider the information about time domain or frequency domain characteristics, so it is difficult to ensure the location accuracy. Through the research of relationship between traveling… read more here.
Keywords: fault; frequency; time; fault location ... See more keywords
Equivalent characteristic impedance based hybrid-HVDC transmission line fault location
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DOI: 10.1016/j.epsr.2021.107055
Abstract: Abstract Aiming at the transmission line fault in Hybrid-HVDC system, this paper divides the fault evolution process into different stages according to the difference of transition resistance at the fault point and the conduction state… read more here.
Keywords: equivalent characteristic; hybrid hvdc; characteristic impedance; fault location ... See more keywords
Fault location for overhead and cable hybrid transmission line in VSC-HVDC system
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DOI: 10.1016/j.epsr.2021.107122
Abstract: Abstract Because the traditional fault location method cannot be applied to overhead and cable hybrid transmission line in the VSC-HVDC system, this paper proposes a novel fault location method, which primarily uses the principle of… read more here.
Keywords: overhead cable; location; cable hybrid; hybrid transmission ... See more keywords
A voltage-based fault location algorithm for medium voltage active distribution systems
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DOI: 10.1016/j.epsr.2021.107236
Abstract: Abstract This paper addresses a fault location algorithm appropriate for unbalanced medium voltage overhead distribution systems with or without distributed generation. The proposed algorithm utilizes only synchronized voltage measurements from two measurement points inside the… read more here.
Keywords: voltage; location algorithm; distribution; fault location ... See more keywords