NDLI: Impact of semiconductive shield quality on accelerated aging cable performance

Content Provider	IEEE Xplore Digital Library
Author	Brigandi, Paul J. Person, Timothy J. Caronia, Paul J. Groot-Enzerink, Erik
Copyright Year	2014
Description	Author affiliation: Dow Europe GmbH, Horgen, Switzerland 8810 (Groot-Enzerink, Erik) \|\| The Dow Chemical Company, Spring House, Pennsylvania 19477 (Brigandi, Paul J.; Person, Timothy J.; Caronia, Paul J.)
Abstract	Semiconductive shield quality is critical to the life expectancy of power cables in medium, high, and extra-high voltage classes. The material properties and cable performance under accelerated conditions were compared for different commercial semiconductive shield compounds. All of the semiconductive shield compositions were found to be crosslinkable, contain similar levels of carbon black to be conductive, meet volume resistivity and physical properties required by IEC specifications and considered suitable for MV cable applications. The cables made with compound containing more protrusions and total chemical impurities had a much shorter characteristic life, less retained breakdown strength even as low as 7.8 kV/mm, and would be expected to have much less reliability than the cable with high quality semiconductive shields. The combination of these critical performance factors clearly indicates that semiconductive shields of poor quality can drastically reduce the effectiveness of an insulation material to achieve an expected long lifetime cable.
Sponsorship	IEEE Power & Energy Soc.
Starting Page	1
Ending Page	5
File Size	562324
Page Count	5
File Format	PDF
ISBN	9781479936564
ISSN	21608563
DOI	10.1109/TDC.2014.6863562
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-04-14
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power cables Cable shielding Cable insulation Materials Conductors Impurities Cable Aging Semiconductive Shield Carbon Black Smoothness Cleanliness
Content Type	Text
Resource Type	Article

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