Method for extending long-term electrical power cable performance
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United States of America Patent
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Jan 24, 2012
Grant Date -
Jul 9, 2009
app pub date -
Jan 6, 2009
filing date -
Aug 30, 2005
priority date (Note) -
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Abstract
An improved method for imparting excellent long-term dielectric performance to an in-service electrical cable section having a stranded conductor surrounded by a conductor shield encased in a polymeric insulation and having an interstitial void volume in the region of the conductor, the cable section having an average operating temperature T is disclosed. The method comprises injecting a dielectric enhancement fluid composition into the interstitial void volume.
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