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Ok, that makes sense, thanks.  high voltage DC might make more sense today, say 50kV.  DC would avoid the transmission line phase shifts and would have the built in cathodic protection we discussed a while ago.  Of course then you need dc-dc converters everywhere, which is still not quite more economical than transformers for large amounts of power.
by njh on Thu Oct 4th, 2012 at 11:45:17 AM EST
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