NDLI: Deterioration analysis of ex-serviced 110 kV XLPE cable based on residual charge method

Content Provider	IEEE Xplore Digital Library
Author	Du, B.X. Hongbo Li Yu Gao Li Wang Zhenxing Huo
Copyright Year	2009
Description	Author affiliation: Hebei HandanPower Supply Company, Hebei Province 056035, China (Zhenxing Huo) \|\| Key Laboratory of Power System Simulation and Control of Ministry of Education, School of Electrical Engineering and Automation, Tianjin University, 92 Weijin Road, Tianjin 300072, China (Du, B.X.; Hongbo Li; Yu Gao; Li Wang)
Abstract	In this paper, the deterioration investigation was carried on an ex-serviced 110 kV cross-linked polyethylene (XLPE) cable. XLPE sheets sliced from the cable insulation were taken as the test samples and the residual charge method was used as the diagnostic method. Two aluminum foils attached on the both sides of sample surface made the electrode constitution, between which the voltage was applied and the current was simultaneously measured. The residual charge was calculated to estimate the degree of the degradation. Additionally, Tanô test was carried out to assist the evaluation of cable degradation. Obtained results show that the degradation degree within the insulation varies with the changes of the position. The XLPE sheets near the outer semicon and the conductor aged more severely than that of the middle part. Meanwhile, the cable was anatomized and it was found that the water blocking layer had mildewed and the color of the outer part insulation turned into black.
Starting Page	303
Ending Page	306
File Size	333515
Page Count	4
File Format	PDF
ISBN	9781424445578
ISSN	00849162
DOI	10.1109/CEIDP.2009.5377727
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-18
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Degradation Cable insulation Polyethylene Insulation testing Aluminum Electrodes Constitution Voltage Current measurement Conductors
Content Type	Text
Resource Type	Article

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