INTEGRATED HIGH POWER UMBILICAL
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United States of America Patent
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Issued Date -
Aug 16, 2012
app pub date -
Nov 1, 2010
filing date -
Oct 30, 2009
priority date (Note) -
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Abstract
An integrated power umbilical (K1) is shown. The power umbilical includes at least one power cable to transfer vast amounts of electric energy/power and filler material in the form of stiff, elongated plastic elements, laying at least partly around and between the power cables. These elements are collectively collected by means of a laying and closing operation into a twisted bundle, which in turn is enclosed by a protective sheath. At least one of the surrounding elements, i.e. the filler material or the sheath, is made of a semiconducting material, said semiconducting material being able to drain off capacitive currents arising in the power umbilical (K1) when the at least one power cable conducts vast amounts of electric energy/power.
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