METALLIC PARTICLE MOVEMENT, CORONA, AND BREAKDOWN IN COMPRESSED GAS INSULATED TRANSMISSION-LINE SYSTEMS

TitleMETALLIC PARTICLE MOVEMENT, CORONA, AND BREAKDOWN IN COMPRESSED GAS INSULATED TRANSMISSION-LINE SYSTEMS
Publication TypeJournal Article
Year of Publication1991
AuthorsMorcos, M. M., H. I. ANIS, and K. D. Srivastava
JournalIEEE Transactions on Industry Applications
Volume27
Pagination816–823
ISSN0093-9994
Abstract

In this paper, the dynamics of wire particles in a coaxial gas insulated transmission line (GITL) system under ac voltage is studied using a computational algorithm. An approach to predict the possibility of the SF6 gas insulation breakdown due to the presence of metallic contaminants is presented. The technique may be used to evaluate particle trapping effectiveness, during commissioning, of certain designs of metallic particle traps. The paper also describes some of the experiments conducted in a 70-mm/190-mm diameter coaxial conductor system in the presence of 0.45-mm-diameter, 6.4-mm-long aluminum wire particles.

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