학술논문

In-situ condition monitoring of EPDM composite insulators using Fourier transform infra-red spectroscopy
Document Type
Conference
Source
Proceedings of 5th International Conference on Properties and Applications of Dielectric Materials Dielectric materials - properties and applications Properties and Applications of Dielectric Materials, 1997., Proceedings of the 5th International Conference on. 2:910-913 vol.2 1997
Subject
Engineered Materials, Dielectrics and Plasmas
Condition monitoring
Insulation
Fourier transforms
Infrared spectra
Infrared surveillance
Polymers
Oxidation
Leakage current
Spectroscopy
Surface discharges
Language
Abstract
Procedures for determining the amount of polymer oxidation and surface chalking occurring on composite insulators are developed using FTIR spectroscopy. Numerical indicators of surface oxidation and chalking are obtained from ratios of peak heights in the IR spectra. Results of analyses of samples from three different types of EPDM 275 kV insulators suggest that oxidation is affected by surface discharging and weathering and that the amount of surface chalking is related to leakage current.