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A study on the use of zinc oxide micro-varistor based field grading materials for composite line insulators

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dc.contributor.authorArabul, Fatma Keskin
dc.contributor.authorArabul, Ahmet Yigit
dc.contributor.authorCherney, Edward A.
dc.contributor.authorJayaram, Shesha H.
dc.date.accessioned2026-06-27T14:54:40Z
dc.date.issued2023
dc.description.abstractThis paper examines the reduction in the electric field at the line end of a 230 kV composite suspension insulator that can be obtained by applying a field grading material (FGM) to the insulator core at the line end of the insulator. The FGM is based on a highly non-linear conductivity zinc oxide micro-varistor material; and COMSOL (R) Multiphysics version 5.6 at power frequency AC is used in the analysis. FGM of various nonlinearities and various lengths applied to the core is studied to determine the non-linear characteristics of the FGM and the length of application that provides the greatest reduction in the electric field. The results are compared to the same insulator fitted with a proper design of corona ring and the simulation results show that the corona ring can be eliminated by using the FGM.en
dc.description.sponsorshipNatural Sciences and Engineering Research Council (NSERC) of Canada
dc.description.sponsorshipScientific and Technological Research Council of Turkiye (TUBITAK) [TUBITAK-2219]
dc.description.urihttps://doi.org/10.1109/eic55835.2023.10177327
dc.identifier.doi10.1109/eic55835.2023.10177327
dc.identifier.isbn978-1-6654-9341-3
dc.identifier.issn2334-0975
dc.identifier.urihttps://hdl.handle.net/20.500.14981/66105
dc.identifier.wos001043053800048
dc.language.isoeng
dc.publisherIEEE
dc.relation.conferenceIEEE Electrical Insulation Conference (EIC)
dc.relation.ispartof2023 IEEE ELECTRICAL INSULATION CONFERENCE, EIC
dc.subjectpolymeric outdoor insulators
dc.subjectfield grading materials
dc.subjectfinite-element method
dc.subjecte-field
dc.subjectstress-control
dc.subjectcorona discharge
dc.subjectEngineering
dc.titleA study on the use of zinc oxide micro-varistor based field grading materials for composite line insulators
dc.typeProceedings Paper
dspace.entity.typePublication
local.import.sourceWOS

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