Effects of Degradation in Textolite Elements of Damaged Surge Arresters
Energies, 2022 The aim of this work was to investigate the effects of the currents flowing through surge arresters on the internal insulating textolite structure. The samples were removed from high-voltage arresters that were taken out of service due to malfunction or ...
Hubert Śmietanka +4 more
doaj +1 more source
Thermal FEM Analysis of Surge Arresters During HVdc Current Interruption Validated by Experiments
IEEE Transactions on Power Delivery, 2022 This paper deals with the development of an accurate finite-element model of an arrester to investigate the electrothermal and mechanical stress during dc current interruption.
Siyuan Liu +4 more
semanticscholar +1 more source
Microstructure and Degree of Degradation of ZnO Varistors in Surge Arresters Due to Operation [PDF]
Archives of Metallurgy and Materials, 2018 The paper presents the test results for the microstructure of ZnO varistors comprising high voltage gapless surge arresters. The tests were performed on varistors produced in different periods and by various manufacturers.
P. Papliński +3 more
doaj +1 more source
Development of a Low-Energy Mobile Current Waveform Impulse Generator for Application in Low Voltage Surge Arresters [PDF]
Brazilian Archives of Biology and TechnologySurge arresters are at the forefront of protection against voltage surges. The loss of the protective effect of surge arresters imposes accidents and unplanned shutdowns on the power system.
Tiago Goncalves Zacarias +9 more
doaj +1 more source
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
core +1 more source
Considered remedies and diagnostic surge arresters
Известия высших учебных заведений: Проблемы энергетики, 2017 Considered remedies and diagnostic surge arresters. Proposed and economically feasible patents and methods (program) selection of fuses for protection and diagnostics of surge arresters.
I. A. Khatanova, D. V. Khatanov
doaj +1 more source
Modelling of Stray Currents Near a Railway Platform [PDF]
, 2017 The article describes simulations of the occurrence of stray currents in the vicinity of a SUDOPtype railway platform. Stray currents occur in the vicinity of a railway platform during the passage of a railway vehicle.
Cigánek, Jiří +3 more
core +1 more source
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
doaj +1 more source
Frequency and Time Series Analysis of Surge Arrester in Power Distribution Systems [PDF]
Advances in Engineering and Intelligence SystemsSurge arresters are essential protective devices in power systems that redirect excess voltage and prevent damage to sensitive equipment. Extensive research has been conducted in electro-thermal modeling for surge arresters to better understand and ...
Alireza Zabihi, Mohammad Parhamfar
doaj +1 more source
Investigation of Diagnostic Techniques for Metal Oxide Surge Arresters [PDF]
, 2005 Gapless metal oxide surge arresters(MOSA)have been available in the market for many years since they were first introduced in the 1970's. The aim of this study is to investigate some reliable diagnostic techniques to assess the condition of a metal oxide
Mardira, Karl P. +2 more
core +1 more source