Corona caused deterioration of ADSS fiber-optic cables on high voltage lines

George G. Karady, Gyula Besztercey, Monty W. Tuominen

Research output: Contribution to journalArticle

30 Scopus citations

Abstract

Deterioration of ADSS (All Dielectric Self-Supporting) fiber optic cable jacket material has been reported near the tips of armor rod assemblies installed on high voltage transmission lines. Field observations and laboratory tests revealed that corona can exist on the tips of the armor rod. Electric field analysis reported herein reveals that the tip surface gradients are high enough to produce corona. Field conditions have been duplicated in a high voltage test chamber and jacket damage has been observed near generated corona. The deterioration mechanism is identified and jacket life expectancy is estimated. Different mitigation techniques are suggested.

Original languageEnglish (US)
Pages (from-to)1438-1445
Number of pages8
JournalIEEE Transactions on Power Delivery
Volume14
Issue number4
DOIs
StatePublished - Oct 1 1999

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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