Results 11 to 20 of about 6,667 (261)
Energies, 2023 The phase selection and fault location methods of generator stator winding single-phase grounding fault are greatly affected by the transition resistance.
Qinwei Li, Wenchao Jia
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Modelling and control of current full compensation system‐based controllable voltage source
IET Generation, Transmission & Distribution, 2023 Current active suppression technology of arc overvoltage in distribution network has small capacity of controllable voltage source and complex control and cannot flexibly adjust the zero‐sequence voltage of neutral point.
Hongwen Liu +3 more
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Research on Arc Grounding Fault Selection Method of Distribution Network Based on Wavelet Analysis [PDF]
Zhengzhou Daxue xuebao. Gongxue ban, 2023 Chinese urban low-voltage distribution network capacitance current rose sharply, single-phase ground fault arc was difficult to self-extinguish and easy to produce arc light ground overvoltage and lead to accidents.
LI Jingli +5 more
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Journal of Harbin University of Science and Technology, 2021 In order to enhance effectiveness of single-phase ground fault feature extraction and to achieve exactly identification of fault line selection，a new fault line selection method of single phase grounding fault based on wavelet packet and online ...
JI Wen-lu +4 more
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Fusion fault line selection method of small current grounding fault based on VMD
Gong-kuang zidonghua, 2023 At present, the fault line selection method of coal mine distribution network has the problem of fault line selection failure when the relevant fault features are not obvious.
SUN Kongming +5 more
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Energies, 2023 When the overhead line passes through the forest area, the conductor may contact the line to induce the tree-contact single-phase-to-ground fault (TSF), and the persistence of TSF may induce wildfires, bringing serious consequences.
Jianbo He +6 more
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Fault Path Direct-Current Resistance Based Off-Line Single-Phase-To-Ground Fault Location
Zhongguo dianli, 2021 In order to figure out the off-line transmission line fault location, a new fault location method based on fault path direct current resistance measurement is proposed.
Fuzhi LI +6 more
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Gong-kuang zidonghua, 2018 In view of problems of low accuracy and poor reliability of line selection methods for single phase ground fault in existing coal mine power supply system, a line selection method for single phase ground fault in coal mine power supply system based on ...
LUO Chao +6 more
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IET Generation, Transmission & Distribution, 2021 An improved natural frequency based method is proposed to accurately locate faults in transmission lines. The method only requires three phase instantaneous current measurements at the local terminal of the line and is compatible with protective relays ...
Yuan Nie, Yu Liu, Dayou Lu, Binglin Wang
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Simulation and Research of Non-effectively Grounding Network of Single-phase Ground-fault
IOP Conference Series: Earth and Environmental Science, 2020 Abstract When the non-effectively grounding network of single-phase ground fault happens, the voltage, the current, the zero-sequence voltage and the zero-sequence current have a special change and this problem has been the focus of research attention.
Yunhai Hou, Haoxin Sun, Shuhan Zhang
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