NDLI: Deterioration diagnosis technique of housing rubber for composite hollow insulators

Content Provider	IEEE Xplore Digital Library
Author	Suzuki, A. Kumai, T. Shinoda, A. Hidaka, M. Kishida, R. Toshima, N. Koshino, Y. Sakanishi, K. Utsumi, Y.
Copyright Year	2003
Description	Author affiliation: Chubu Electr. Power Co. Inc., Nagoya, Japan (Suzuki, A.; Kumai, T.; Shinoda, A.)
Abstract	A field test and an accelerated aging test with composite hollow insulators were conducted to evaluate long-term reliability and predict longevity. An 84 kV gas circuit breaker with composite hollow insulators was subjected to field test at Chita substation, Chubu Electric Power Company in 1996. This field test is scheduled for completion in 2004. An accelerated aging test with a small composite hollow insulators was conducted for up to 5,000 hours with the conditions specified in IEC 61109 Annex-C. Appearances, hydrophobicity, and surface deterioration were periodically analyzed. It was found that green algae deposited on the surface of some portions of the housing rubber of field test specimens, but was not associated with significant deterioration. Erosion developed on the housing of the specimens subjected to the accelerated aging test for 4,000 hours, and 5,000 hours. The number of eroded traces increased with time. Slight deterioration was found even on the areas without erosion analyzed by Fourier Transform Infra-red Ray spectroscopy.
Sponsorship	IEEE Dielectrics & Electrical Insulation Soc. IEE Japan
Starting Page	405
Ending Page	410
File Size	447025
Page Count	6
File Format	PDF
ISBN	0780377257
ISSN	10817735
DOI	10.1109/ICPADM.2003.1218437
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-06-01
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Rubber Circuit testing Insulator testing Accelerated aging Circuit breakers Dielectrics and electrical insulation Gas insulation Substations IEC standards Algae
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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