NDLI: Failure prediction of power cables using failure history and operational conditions

Content Provider	IEEE Xplore Digital Library
Author	Sachan, S. Chengke Zhou Bevan, G. Alkali, B.
Copyright Year	2015
Description	Author affiliation: Sch. of Eng. & Built Environ., Glasgow Caledonian Univ., Glasgow, UK (Sachan, S.; Chengke Zhou; Bevan, G.; Alkali, B.)
Abstract	This paper classifies the causes of cable failures according to two types: unpredictable random causes; and predictable ageing effects. A piecewise power-law non-homogeneous Poisson process and a stochastic electro-thermal model are proposed to predict total annual failures and failures due specifically to ageing, respectively. An amalgamation of the two models is then used to estimate the number of failures attributable to random causes or ageing. The proposed method is successfully applied to real data of vintage unjacketed XLPE cables. The results show that these cables have an expected lifespan of 39 years based on ageing effects alone; however, failure of these cables is dominated by random failure modes such as manufacturing defects, sudden shock, or water and electrical tree, which cause many of these cables to fail earlier in their life.
Starting Page	380
Ending Page	383
File Size	838186
Page Count	4
File Format	PDF
ISSN	21609241
e-ISBN	9781479989034
DOI	10.1109/ICPADM.2015.7295288
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-07-19
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power cables Aging Degradation Stress Cable insulation Data models Communication cables poisson process ageing random failure electro-thermal
Content Type	Text
Resource Type	Article

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Application of polymer ageing models to power cables

Insulation ageing diagnosis of XLPE power cables under service conditions

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