Examination of the Properties of Samples from Glass-Epoxy Core Rods for Composite Insulators Subjected to DC High Voltage

• Autorzy: Wieczorek K. , Jaroszewski M. , Ranachowski P. , Ranachowski Z.

Identyfikatory

DOI

10.24425/123802

• Języki publikacji: EN

Abstrakty

EN

This article presents the results of an examination performed on a set of samples of glass-epoxy core rods used in composite insulators with silicone rubber housings. The goal of the examination was to test the aging resistance of the core material when exposed to Direct Current (DC) high voltage. Long term exposure of a glass-epoxy core rod to DC high voltage may lead to the gradual degradation of its mechanical properties due to the ion migrations. Electrolysis of the core material (glass fiber) may cause electrical breakdown of the insulators and consequently lead to a major failure. After being aged for 6000 hours under DC high voltage, the samples were subjected to microscopic analysis. Their chemical composition was also examined using Raman spectroscopy and their dielectric losses and conductance in the broad range of frequencies were tested using dielectric spectroscopy.

Słowa kluczowe

EN

DC high voltage; composite insulator; glass-epoxy core; dielectric spectroscopy; Raman spectroscopy

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2018
• Tom: Vol. 63, iss. 3
• Strony: 1281--1286
• Opis fizyczny: Bibliogr. 16 poz., rys., wykr., wzory

Twórcy

autor

Wieczorek K.

• Wrocław University of Science and Technology, Faculty of Electrical Engineering, Wybrzeże Wypiańskiego 27, 50-370 Wrocław, Poland

autor

Jaroszewski M.

• Wrocław University of Science and Technology, Faculty of Electrical Engineering, Wybrzeże Wypiańskiego 27, 50-370 Wrocław, Poland

autor

Ranachowski P.

• Polish Academy of Sciences Institute of Fundamental Technological Research, 5b Pawińskiego Str., 02-106 Warsaw, Poland

autor

Ranachowski Z.

• Polish Academy of Sciences Institute of Fundamental Technological Research, 5b Pawińskiego Str., 02-106 Warsaw, Poland

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).