NDLI: The improved voltage life characteristics of EHV XLPE cables

Content Provider	IEEE Xplore Digital Library
Author	Fukui, T. Hirotsu, K. Uozumi, T.
Copyright Year	1986
Abstract	Although many researchers have investigated voltage life characteristics of XLPE cables, the voltage life curve of XLPE insulation has not been made clear because of large deviations in the obtained data. Moreover, the voltage life curve of a XLPE cable, which is significantly affected by defect size and shape, cannot be applied to another cable having different defects. The authors obtained an intrinsic stress life curve of XLPE which included no defects. The intrinsic stress life curve demonstrates the existence of a threshold stress, which causes no degradation in the insulation. The application of the intrinsic stress life curve makes possible to estimate the voltage life curve of any cable with known defects. A method for calculating the defect size that would not initiate any degradation in XLPE insulation under a given electrical stress is proposed.
Sponsorship	IEEE Power Engineering Society
Starting Page	31
Ending Page	38
Page Count	8
File Size	742768
File Format	PDF
ISSN	08858977
Volume Number	14
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Voltage Stress Cable insulation Trees - insulation Dielectrics and electrical insulation Degradation Electric breakdown Conductors Impurities Shape control
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology Electrical and Electronic Engineering

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