> Multi mega-wats lines over 400 to more than 800 miles long. You realy need 
> to reduce that current...
> Another advantage: you need 1 less whire for the transmission. AC lines 
> normaly have 3 whires, while DC lines only use 2.
> Yes! it get's transformed back to AC at the converter stations, and 
> reduced down to 750KV.

It would be interesting to know how they do the DC-->AC conversion with that 
much power.

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