Image Saturation as a Tool to Understand the Corona Induced Degradation of Polymeric Insulators

Prasad, DS and Reddy, BS (2020) Image Saturation as a Tool to Understand the Corona Induced Degradation of Polymeric Insulators. In: IEEE Transactions on Dielectrics and Electrical Insulation, 27 (6). pp. 1837-1844.

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Abstract

This paper presents a novel method of utilizing pixel saturation of digital images of corona discharges to assess the degradation of polymeric insulating samples. A total of 20 corona images with varying exposure time from 0.5 to 120 s are captured and the image pixel intensity along the reference line is obtained. It is observed that the profile of saturated images taken with the higher exposure time provides accurate detection of the degraded portion of the sample and the degradation is confirmed and quantified using Fourier transform infrared spectroscopy (FTIR). © 1994-2012 IEEE.

Item Type:	Journal Article
Publication:	IEEE Transactions on Dielectrics and Electrical Insulation
Publisher:	Institute of Electrical and Electronics Engineers Inc.
Additional Information:	Copyright to this article belongs to Institute of Electrical and Electronics Engineers Inc.
Keywords:	Electric corona; Pixels; Polymers, Corona discharges; Digital image; Exposure-time; Image pixel intensities; Image saturation; Induced degradation; Polymeric insulators; Reference lines, Fourier transform infrared spectroscopy
Department/Centre:	Division of Electrical Sciences > Electrical Engineering
Date Deposited:	11 Feb 2021 11:42
Last Modified:	11 Feb 2021 11:42
URI:	http://eprints.iisc.ac.in/id/eprint/67525

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