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View Diary: The simple innovation that could make wind power a big player (230 comments)

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  •  Page 6? (2+ / 0-)
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    KenBee, Roadbed Guy

    There's nothing on page 6 that is germane. Typo?

    Not sure what you mean by "the existing lines are not appropriate for high voltage transmission". If you look at the chart on page 4 of your document, you will see that 230 kV, 345 kV, and 765 kV all use the exact same cable: ACSR 954 mcm. They just use a different number per phase.

    The point of the article linked to in the diary is that existing towers could be retrofitted to carry more power at a higher voltage. Using traditional technology, you would have to tear out the tower and build new to step up to a higher voltage.

    Javelin, Jockey details, all posts, discontinue

    by jam on Tue Jan 22, 2013 at 01:54:16 PM PST

    [ Parent ]

    •  Yes, sorry, that must have been a typo (1+ / 0-)
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      but on page 4 the table shows that the 765 kV line (I must be higly dyslexic today - since that's where the 4 went I needed for the page number - into the 745 kV I stated earlier, ugh!) requires a "4 conductor bundle"  (and the newer, more efficient designs use a "6 conductor bundle) whereas lower voltages use a "2 conductor bundle"

      So, maybe the cable is the same in all cases, but it seems to have to be configured differently to move the super high voltages . . .

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