Corona caused deterioration of ADSS fiberoptic cables on high voltage

G. G. Karady, G. Besztercey, M. W. Tuominen

Research output: Contribution to journalArticlepeer-review


Deterioration of all dielectric self-supporting (ADSS) fiberoptic 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)
Number of pages1
JournalIEEE Power Engineering Review
Issue number1
StatePublished - Dec 1 1999


  • Corona
  • Discharge
  • Failure
  • Fiberoptic cables
  • High electric field

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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