Electrical power transmission line comprising a corrosion-protected raceway and method of protecting a raceway from corrosion
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United States of America Patent
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Sep 27, 2016
Grant Date -
Nov 6, 2014
app pub date -
Oct 11, 2011
filing date -
Oct 11, 2011
priority date (Note) -
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Abstract
An electrical power transmission line includes: at least one electrical cable; a raceway made of ferromagnetic material including a base and a cover defining an inner housing space for housing the electrical cable; a wet basic filling material having a pH between 11 and 13 housed in the inner housing space and embedding the at least one electrical cable. In order to achieve corrosion protection of the raceway, the inner surface of the cover is in contact with a basic passivating material having a pH between 11 and 13.
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