Results 11 to 20 of about 590,207 (322)

Modelling of Stray Currents Near a Railway Platform [PDF]

open access: yesAdvances in Electrical and Electronic Engineering, 2017
The article describes simulations of the occurrence of stray currents in the vicinity of a SUDOP-type railway platform. Stray currents occur in the vicinity of a railway platform during the passage of a railway vehicle.
Stanislav Zajaczek   +3 more
doaj   +3 more sources

Circuit-based method for extracting the resistive leakage current of metal oxide surge arrester

open access: diamondBulletin of Electrical Engineering and Informatics, 2020
Resistive leakage current based condition assessment of metal oxide surge arrester (MOSA) is one of the most extensively employed technique to monitor its degradation.
Amir Hesam Khavari   +2 more
openalex   +3 more sources

New criteria for metal oxide surge arrester condition monitoring based on leakage current analysis: Considering non‐uniform pollution effect

open access: yesIET Generation, Transmission & Distribution
The role of surge arresters is vital in power systems' protection against transient overvoltages, which can arise due to occurrences like lightning strikes or switching operations.
Masume Khodsuz   +2 more
doaj   +2 more sources

Thermal behaviour analysis in a porcelain-housed ZnO surge arrester by computer simulations and thermography

open access: yesHigh Voltage, 2019
In this article, an analysis of heat transfer in a porcelain-housed ZnO surge arrester is presented. Due to the fact that ZnO-based surge arresters are key components for protection and reliability of electrical systems, it is necessary to seek ...
Arthur F. Andrade   +5 more
doaj   +2 more sources

ADJUSTMENT OF THE MATLAB SURGE ARRESTER MODEL PARAMETERS [PDF]

open access: diamondТехнічна електродинаміка, 2020
This article proposes a method for the parameters adjustment of the Matlab Simscape library Surge Arrester block. It is based on building of nonlinear V-I characteristic by approximation of residual voltage and impulse current obtained from manufacturer ...
О.Г. Шполянський
doaj   +2 more sources

Synergy of radioactive 241Am and the effect of hollow cathode in optimizing gas-insulated surge arresters characteristics [PDF]

open access: goldNuclear 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
doaj   +3 more sources

Modelling and validation of metal oxide surge arrester for very fast transients

open access: yesHigh Voltage, 2018
Metal oxide surge arrester models that are currently on rounds suffer from certain deficiencies and as a consequence, they are not in position to portray accurately the arrester residual voltages.
Kannadasan Raju, Valsalal Prasad
doaj   +2 more sources

A Survey of Diagnostic and Condition Monitoring of Metal Oxide Surge Arrester in the Power Distribution Network

open access: yesEnergies, 2022
Metal oxide surge arresters (MOSAs) are a popular solution for dealing with overvoltages due to lightning and switching in power distribution networks. As a result, a MOSA’s performance and longevity have a significant impact on the quality of energy and
Behnam Ranjbar   +3 more
semanticscholar   +1 more source

Analysis of Zinc Oxide (ZnO) Surge Arrester Connected to Various Ground Electrodes

open access: yesEnergies, 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.
Hanis Hamizah Hizamul-Din   +1 more
doaj   +1 more source

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