----- Original Message -----
From: "Jim Lux" <jimlux@earthlink.net>
>> They have experimented with lines up to 1 million volts in the U.S. and
>> we do have some lines running DC now in the states.
>
> The Pacific Intertie includes is a +/- 400 kV DC link that has been in
> operation since the 1960s
> http://www.abb.com/cawp/gad02181/c3e8e6cc588aa8c3c1256d8800402284.aspx
> This link (now running at +/- 500kV, since 1982) terminates at the Sylmar
> converter substation just north of Los Angeles and carries arount 3 GW.
I seem to recall someone telling me that the Sylmar link was capable of
single-ended
operation against a ground return?
Mike W4EF.............................
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