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Why does DC/AC matter?  The heating loop is galvanically isolated from the supply by the use of the transformer.

Don't forget the R1 insulative effect of the still air around the conductor.  I can believe the burst vs continuous argument, even if we move to a very narrow pulse, say 0.5s, that's still only about 1MW which could be provided by the existing infrastructure.

by njh on Sun Dec 5th, 2010 at 11:13:31 PM EST
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