Extracting the Resistive Current Component from a Surge Arrester’s Leakage Current without Voltage Reference [PDF]
Sensors, 2021 This article presents the development of the theoretical background and the design of an electronic device for monitoring the condition of a gapless Metal Oxide Surge Arrester (MOSA). The device is intended to be used online.
Joze Pihler, Miro Milanovic
exaly +4 more sources
Analysis of Zinc Oxide (ZnO) Surge Arrester Connected to Various Ground Electrodes
Energies, 2021 This paper presents impulse tests results on a zinc oxide (ZnO) surge arrester connected to four ground electrodes, with its resistance values ranging from 17 Ω to 104 Ω.
Normiza Mohamad Nor
exaly +4 more sources
Energy Reports, 2023 Overvoltage is a critical problem of Thailand’ distribution system. The electrical protection device in the distribution system needs to be able to support this level of overvoltage.
Suntiti Yoomak
exaly +4 more sources
Application of Deep Learning and Symmetrized Dot Pattern to Detect Surge Arrester Status
Applied Sciences (Switzerland), 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
exaly +4 more sources
Prediction of ZnO Surge Arrester Degradation Based on Temperature and Leakage Current Properties
Jurnal Nasional Teknik Elektro, 2018 Temperature and leakage current on the ZnO arrester are interrelated with each other. In low conduction region, voltage-current characteristics of ZnO surge arrester are highly dependent on temperature.
Novizon Novizon +5 more
doaj +7 more sources
Detection of Failures in Metal Oxide Surge Arresters Using Frequency Response Analysis [PDF]
Sensors, 2023 This work presents an innovative application of Frequency Response Analysis (FRA) in order to detect early degradation of Metal Oxide Surge Arresters (MOSAs). This technique has been widely used in power transformers, but has never been applied to MOSAs.
Tiago Goncalves Zacarias +9 more
doaj +2 more sources
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
doaj +2 more sources
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
doaj +2 more sources
Condition Assessment of Metal Oxide Surge Arrester Based on Multi-Layer SVM Classifier
Iranian Journal of Electrical and Electronic Engineering, 2015 This paper introduces the indicators for surge arrester condition assessment based on the leakage current analysis. Maximum amplitude of fundamental harmonic of the resistive leakage current, maximum amplitude of third harmonic of the resistive leakage ...
M Khodsuz, M Mirzaie
doaj +1 more source
The evolution characteristics of leakage current in traction network surge arresters under complex operating conditions [PDF]
Scientific ReportsDue to frequent load fluctuations, significant impacts, and substantial harmonic distortion on heavy-load railways, leakage currents monitored by surge arresters exhibit considerable variation.
Wang Pengxiong +3 more
doaj +2 more sources