I always though it was a bad idea to enclose the individual conductors of
how current electric power distribution/transmission in metallic
enclosures,
and that you needed to enclose everything as a group to cancel out the
magnetic field. Now I see this:
http://www.knowledgeproblem.com/archives/002590.html
Could it be that these tubes really have 2 conductors each at 180 degrees?
How much current can a major 765kV transmission line carry? Now what
voltage
would be used for the same thing over superconductor "wires"? Is part of
the
idea to allow going lower in voltage, and higher in current? What kinds
of
issues might exist with very high current AC transmission lines (or even
DC)?
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