Limiting electrical degradation of all-dielectric self supporting cables
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United States of America Patent
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Jan 8, 2002
Grant Date -
N/A
app pub date -
Mar 4, 1999
filing date -
Mar 5, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device 22 for use adjacent an earthed suspension region 20 of an all-dielectric self-supporting cable 10 suspended in an electric field at the region 20 from a tower or the like for limiting dry band arcing adjacent the region 20 is disclosed. The device includes members 34, 36 for defining a sleeve 26 for fitting to the cable adjacent this region 20 and elements 38, 40, 42, 44 for defining two closures 28, 30 for the sleeve. These closures are engageable with the cable at longitudinally spaced apart locations for forming with the cable and sleeve a closed zone 32 between the closures. Use of the device maintains the outer surface of the cable dry over a portion 24 thereof adjacent the region 20 which would otherwise be susceptible to dry band arcing.
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