NDLI: Investigations into the surface condition of silicone rubber insulation material using multiresolution signal decomposition

Content Provider	IEEE Xplore Digital Library
Author	Sarathi, R. Chandrasekar, S. Yoshimura, N.
Copyright Year	1986
Abstract	In the present paper, the tracking phenomena of silicone rubber material has been studied under ac voltages, with ammonium chloride as a contaminant. The characteristic changes in the tracking time of the aged specimens are analyzed through leakage current measurement. The observed trends in the leakage current during the tracking study are analyzed using a moving average current technique. The contact angle of the specimen varies with the type of aging. multiresolution signal decomposition technique was adopted to identify the characteristic change in the hydrophobicity levels of the specimens using the standard deviation multiresolution analysis curve. It is concluded that the material with less contact angle where the leakage current magnitude is high, allows tracking to occur early.
Sponsorship	IEEE Power Engineering Society
Starting Page	243
Ending Page	252
Page Count	10
File Size	575675
File Format	PDF
ISSN	08858977
Volume Number	21
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Signal resolution Rubber Insulation life Leakage current Aging Surface contamination Voltage Current measurement Pollution measurement Time measurement wavelet Contact angle hydrophobicity leakage current moving average multiresolution signal decomposition (MRSD) surface discharge tracking
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology Electrical and Electronic Engineering

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