ON THE PARTICLE-INITIATED BREAKDOWN OF SF6 INSULATED CABLES

TitleON THE PARTICLE-INITIATED BREAKDOWN OF SF6 INSULATED CABLES
Publication TypeJournal Article
Year of Publication1992
AuthorsMorcos, M. M., and K. D. Srivastava
JournalEUROPhysics Letters
Volume17
Pagination529–534
ISSN0295-5075
Abstract

The excellent insulation properties of compressed sulphur hexafluoride (SF6) are adversely affected by metallic-particle contamination in practical compressed-gas insulated cables (GIC). The movement of such particles is random and the particles play a crucial role in determining the insulation behavior of GIC. This paper reports some calculations of the breakdown probability of compressed SF6 when aluminum wire particles are present in a coaxial conductor system. The motion of the particles is studied using a computational algorithm which takes into account the change in the particle charge during its movement.

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