Design of the monitoring system for the internal state characteristic parameters of ultra-high voltage metal oxide arresters [PDF]
E3S Web of Conferences, 2021 At present, UHV surge arresters have a large number of sections and complex structures. The existing live detection and online monitoring technologies can no longer effectively determine the problem of deterioration of the internal resistance of the ...
Geng Lina +3 more
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Estimation of parameters of metal-oxide surge arrester models using Big Bang-Big Crunch and Hybrid Big Bang-Big Crunch algorithms [PDF]
Journal of Artificial Intelligence and Data Mining, 2016 Metal oxide surge arrester accurate modeling and its parameter identification are very important for insulation coordination studies, arrester allocation and system reliability.
M.M Abravesh +3 more
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Development of High Gradient ZnO Arrester Material for High Voltage Applications
IEEE Access, 2020 The presence of stray capacitance in ZnO (Zinc Oxide) surge arresters causes hurdles in arrester operation and non-uniform voltage distribution along the arrester column, especially for High Voltage (HV) and Extra high voltage (EHV) applications.
Kannadasan Raju +4 more
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Application of Deep Learning and Symmetrized Dot Pattern to Detect Surge Arrester Status
Applied Sciences, 2022 Surge arresters primarily restrain lightning and switch surges in the power system to avoid damaging power equipment. When a surge arrester fails, it leads to huge damage to the power equipment.
Meng-Hui Wang +2 more
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Energies, 2018 In zinc oxide (ZnO) surge arresters, leakage current usually flows across the arrester under normal operating condition. Leakage current is one of the factors which contribute towards degradation of surge arresters and therefore, it is very important to ...
Nurul A. A. Latiff +3 more
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Energies, 2020 Preventing the medium voltage (MV) transformer fault by protecting transformers against indirect lightning strikes plays a crucial role in enhancing the continuous service to electricity consumers.
Mahdi Pourakbari-Kasmaei, Matti Lehtonen
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Efficient replacement of the radioactive sources in the gas-filled surge arresters construction for the insulation co-ordination at the low voltage level [PDF]
Nuclear Technology and Radiation Protection, 2020 The possibility of the classical response rate engineering and the long-term deconditioning of the gas-filled surge arresters is considered in this paper. The obtained results are compared with the same results obtained with the gas-filled surge
Nedić Teodora M. +3 more
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Investigation of microstructure of ZnO varistors taken from surge arrester counters [PDF]
Archives of Metallurgy and Materials, 2019 The paper presents investigations of microstructure of varistors of damaged surge arrester counters. A similar ZnO varistor, not subjected before to operation, was a point of reference in this research.
P. Papliński +3 more
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Zhongguo dianli, 2022 Conventional finite element analysis(FEA) employed in multiphysical field coupling analysis usually suffers from such drawbacks as large computational effort and heavy reliance on grid quality.
Tianyi ZHANG, Zhijian LIANG, Rui ZHU
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Tower grounding improvement versus line surge arresters: comparison of remedial measures for high-BFOR subtransmission lines [PDF]
, 2015 This paper presents a technical/economic comparison between remedial measures aimed at improving the lightning performance of an existing Italian three-phase 150-kV overhead line.
GATTA, Fabio Massimo +4 more
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