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Energy Reports, 2023 The paper addresses the issue of identification of the type of single-phase ground fault in medium voltage networks operating mainly with an isolated neutral. By analyzing the published research, the most promising methods for detection of a single-phase
Andrey A. Achitaev +4 more
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Mathematical Modeling of Arc Faults in Networks with Low Single Phase-to-Ground Fault Currents [PDF]
E3S Web of Conferences, 2019 The article comprises the results of the research defining open-flame arcs self-quenching conditions in the event of a single phase-to-ground fault in overhead medium-voltage distribution networks according to existing theories of arc extinguishing.
Brilinskii Andrei +3 more
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Energies, 2021 Settings of protection are essential to ensure the sensitivity and selectivity needed to detect defects. Making the correct settings requires the calculation of the fault currents with as little error as possible.
Dumitru Toader +4 more
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Stator single-line-to-ground fault protection for powerformers based on HSGC and CNN
Frontiers in Energy Research, 2022 It is necessary for powerformers running in parallel to identify which powerformer occurs at the stator single-line-to-ground (SLG) fault. Some state-of-the-art fusion discriminations are used to identify stator SLG fault, but these methods extract fault
Xiaohan Liu +7 more
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Using the Clarke transform for protection against single-phase-to-ground faults
Известия высших учебных заведений: Проблемы энергетикиRELEVANCE. Single-phase-to-ground faults remain one of the most common types of damage in distribution networks with isolated neutral. Arc-ing, intermittent single-phase-to-ground faults pose a serious threat to the power system's electrical equipment ...
A. L. Kulikov, I. S. Starshov
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Time Estimation Algorithm of Single-Phase-to-Ground Fault Based on Two-Step Dimensionality Reduction
Energies, 2023 The fault detection time identified by relying on the over-voltage criterion of zero-sequence voltage often lags behind the actual occurrence time of ground faults, which may cause fault protection methods based on transient quantity principles to miss ...
Xin Lin +3 more
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IEEE Access, 2019 There are some problems existing in the traditional grounding mode of the distribution network. To solve them, this paper proposes a flexible grounding method for neutral point.
Han Zeng +8 more
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Fault Diagnosis of Power Cable Based on 1DCNN-BiLSTM [PDF]
Zhengzhou Daxue xuebao. Gongxue ban, 2023 In order to improve the accuracy of fault diagnosis of power cable failure to ensure a cable fault detection method based on convolution neural network (CNN) and bi-directional long short term memory (BiLSTM) was proposed in this paper.
GAO Chao +3 more
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Using Matlab/Simulink Software Package to Investigate Fault Behaviors in HVDC System
Mathematics, 2022 Existing studies show that several performance issues will arise in the HVDC link during the three phase-to-ground fault at the side of the inverter and that the DC voltage will oscillate around zero and will not affect the rectifier of the AC system ...
Olumoroti Ikotun +3 more
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FEATURES OF A FAULTY PHASE AT SINGLE PHASE-TO-GROUND FAULTS
Electrical and data processing facilities and systems, 2022 Relevance Devices for determining the location of fault on power lines assume a known type of short circuit and faulty phases. However, their algorithms, as a rule, can not distinguish the faulty phase. Therefore, the determination of faulty phases during short circuits on power lines is performed by separate devices – faulty phase selectors.
Vitaly Shabanov, Alexander Sorokin
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