Results 21 to 30 of about 4,690 (312)
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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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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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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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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IET Science, Measurement & Technology, 2021 Aging of metal oxide surge arresters is mainly affected by the high electric stress near the high voltage electrode. It has been observed that the distribution of voltage and electric field along an arrester is non‐uniform.
Nadjim Alti +2 more
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Modeling Metal Oxide Surge Arrester for the Modern Polarization Based Diagnostics [PDF]
, 2005 Recently a number of new non-destructive diagnostic techniques have been investigated for the reliable condition assessment of the ageing of metal oxide surge arrester (MOSA).
Mardira, K. P., Saha, T. K.
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A low leakage current (Co, Mn, Ta)-SnO2 varistor tailored by doping with chromium for power grids
Results in Physics, 2020 A SnO2 varistor which was prospected to be used in ultra-high voltages grids as an overvoltage protection element was developed. The SnO2 varistor was doped with Cr to improve the comprehensive electrical properties. The optimal electrical parameters are
Hongfeng Zhao +4 more
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Synergy of radioactive 241Am and the effect of hollow cathode in optimizing gas-insulated surge arresters characteristics [PDF]
Nuclear Technology and Radiation Protection, 2018 The paper discusses the possibility of improving the character of gas surge arresters. Examined were: the magnetic field effect, the effect of the hollow cathode, and the effect of the alpha radiation source 241Am. Numerical and real experiments
Jusić Alija +4 more
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Condition monitoring of electrical assets using digital IRT and AI technique
Journal of Electrical Systems and Information Technology, 2018 In this paper, an advancement approach considering an infrared thermography methodology is taken into account for pronouncing and diagnosing the fault persisting in the electrical equipment.
Deepak Kumar, M.A. Ansari
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