System and system elements for direct electrical heating of subsea pipelines
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United States of America Patent
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Aug 30, 2016
Grant Date -
Jan 16, 2014
app pub date -
Jul 17, 2013
filing date -
Jan 28, 2011
priority date (Note) -
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Abstract
A device for high efficiency induction heating or direct electrical heating, DEH, of a number, M, Mε[1, N of a group of parallel subsea pipelines N, where Nε[2, ∞
, and where a number of conductor cables, W, supplies electrical power from at least one top side power supply to M of the parallel subsea pipelines N, wherein the number of electric conductors, W, from the at least one top side power supply connected to the M pipelines is defined to be in the group Wε[N, N+1], where N, W and M are natural numbers.
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