NDLI: Aging diagnosis of silicone rubber composite insulator based on conduction current test

Content Provider	IEEE Xplore Digital Library
Author	Yonggang Li Chengcai Huang
Copyright Year	2014
Description	Author affiliation: North China Electr. Power Univ., Baoding, China (Yonggang Li; Chengcai Huang)
Abstract	This paper presents a new criterion on aging diagnosis of silicone rubber composite insulator. Taking being operated composite insulators as the object, the electrical degradation threshold was obtained by the conduction current test, then the hydrophobic of samples was obtained by static contact angle measurement and the surface micro of samples was analyzed by surface electron microstructure (SEM). Preliminary tests indicates that the electrical degradation threshold of samples changing from 5 to 10 kV/mm with different aging degree, the more severe the degree of aging of the sample, the deeper its trap level, the lower the electrical degradation threshold, the greater the conduction current value. Research shows that electrical degradation threshold obtained by conduction current test of silicone rubber composite insulators can basically reflect material's aging degree, electrical degradation threshold may become the new criterion for diagnosing aging condition of silicone rubber composite insulators.
Sponsorship	IEEE Power Electron. Soc.
Starting Page	1
Ending Page	5
File Size	636287
Page Count	5
File Format	PDF
e-ISBN	9781479942398
DOI	10.1109/ITEC-AP.2014.6941270
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-08-31
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Degradation Aging diagnosis The electrical degradation threshold Aging Space charge Silicon Rubber Silicone rubber Composite insulator
Content Type	Text
Resource Type	Article

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