DocumentCode
1070686
Title
An Attempt at Predicting Cable Breakdown Voltage from Dielectric Measurements
Author
Blodgett, R.B. ; Wade, R.M. ; Wilkens, W.D.
Author_Institution
Anaconda-Ericsson Inc. Greenwich, CT and Marion, IN
Issue
6
fYear
1981
Firstpage
564
Lastpage
567
Abstract
For twenty slightly different ethylene propylene (EP) insulated model cables, an 0.8 correlation coefficient was found between dielectric strength after aging and both tan6 after aging and the change with aging of insulation resistance constant (IRK). Aging consisted of 3.5 months immersion of 60 cable specimens in 90°C water with 2 MV/m 60 Hz electrical stress continuously applied. However, tan6 and IRK measurements made regularly on EP and crosslinked polyethylene (XLPE) insulated 15 kV cables, similarly aged at 2 MV/m in 90°C water, did not predict how long a cable would withstand the aging stresses.
Keywords
Aging; Cable insulation; Cables; Dielectric breakdown; Dielectric measurements; Dielectrics and electrical insulation; Electric resistance; Electrical resistance measurement; Polyethylene; Stress measurement;
fLanguage
English
Journal_Title
Electrical Insulation, IEEE Transactions on
Publisher
ieee
ISSN
0018-9367
Type
jour
DOI
10.1109/TEI.1981.298394
Filename
4080897
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