Results 11 to 20 of about 666,363 (220)

Surge arrester leakage current modeling based on pollution layer electrical conductivity estimation [PDF]

open access: yesScientific Reports
The surface leakage current (LC) of metal oxide surge arresters (MOSA) is highly dependent on environmental conditions. This factor influences the modeling of MOSA leakage current as an alternative solution to laboratory tests.
Arian Hoseini Nejadiyan Kooshki   +1 more
doaj   +2 more sources

On the Computation of the Voltage Distribution along the Non-Linear Resistor of Gapless Metal Oxide Surge Arresters

open access: yesEnergies, 2018
The voltage distribution along the non-linear resistance of metal oxide surges is of great importance for their proper operation, since the non-uniform potential distribution results in higher thermal stresses of the varistor discs near the high voltage ...
Christos A. Christodoulou   +3 more
doaj   +2 more sources

Adjusting the Parameters of Metal Oxide Gapless Surge Arresters’ Equivalent Circuits Using the Harmony Search Method

open access: yesEnergies, 2017
The appropriate circuit modeling of metal oxide gapless surge arresters is critical for insulation coordination studies. Metal oxide arresters present a dynamic behavior for fast front surges; namely, their residual voltage is dependent on the peak value,
Christos A. Christodoulou   +4 more
doaj   +2 more sources

The efficiency of gas-filled surge arresters in the environment contaminated by non-ionizing radiation of fusion reactors [PDF]

open access: yesNuclear Technology and Radiation Protection, 2022
The research presents an experiment with a model of an electronic generator for energy injection into the plasma of a fusion reactor. By recording a non-ionizing field in the vicinity of a fusion reactor, it was determined that this field has an
Aranđelović Nemanja M.   +5 more
doaj   +1 more source

Mitigation of Insulator Lightning-Induced Voltages by Installing Parallel Low-Voltage Surge Arresters

open access: yesEnergies, 2023
In this paper, we propose a mitigation method for reducing lightning-induced insulator voltages based on the installation of low-voltage surge arresters aligned parallelly to the insulator.
André M. de Morais   +2 more
doaj   +1 more source

Degradation Processes in Shield-Centring Elements of Surge Arresters [PDF]

open access: yesArchives of Metallurgy and Materials, 2023
This paper presents the results of testing samples of shield-centering elements from medium-voltage surge arresters. The elements were made of TSE glass textolite.
P. Papliński   +5 more
doaj   +1 more source

Comparative Studies on Degradation of Varistors Subjected to Operation in Surge Arresters and Surge Arrester Counters

open access: yesArchives of Metallurgy and Materials, 2023
The paper presents results of investigation of microstructure and micro-hardness for material of ZnO varistors applied to 110 kV surge arrester and surge arrester counter.
J. Wańkowicz   +5 more
semanticscholar   +1 more source

Study of Breakdown Voltage Stability of Gas-Filled Surge Arresters in the Presence of Gamma Radiation

open access: yesElectronics, 2022
The results presented in this article relate to the study of the impact of gamma radiation on the breakdown voltage of gas-filled surge arrester manufactured by CITEL, Littelfuse and EPCOS at an operating voltage of 230 V.
E. Živanović   +2 more
semanticscholar   +1 more source

Characteristics and possibilities of software tool for metal-oxide surge arresters selection [PDF]

open access: yesZbornik Radova: Elektrotehnički Institut "Nikola Tesla", 2012
This paper presents a procedure for the selection of metal-oxide surge arresters based on the instructions given in the Siemens and ABB catalogues, respecting their differences and the characteristics and possibilities of the software tool.
Đorđević Dragan   +2 more
doaj   +1 more source

The influence of gamma and X-radiation on pre-breakdown currents and resistance of commercial gas filled surge arresters [PDF]

open access: yesNuclear Technology and Radiation Protection, 2005
The aim of this paper is to examine the influence of gamma and X-radiation on relevant characteristics of commercial gas filled surge arresters in the d. c. regime.
Lončar Boris B.   +3 more
doaj   +1 more source

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