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Birds on wires - should 11kV lines be vertically stacked or horizontal?

I saw     this article    where birds on an HV line were causing the interrupters to fire,

And I wondered if, as well as what happens to the cooked birds, if this would be better or worse if the wires were vertically stacked instead of horizontally - round here on some very exposed hillsides with wind problems, the lines are vertically stacked to prevent them swaying into each other. Equally, the problem may be birds by-passing the insulators rather than wire to wire contact.

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  • I saw the news article. In this particular case I feel that the answer could be to replace the cross pieces with longer ones so as to increase the spacing between conductors.

    This sounds a simple job and should avoid future problems.

    Starling numbers are in decline, and a more generous conductor spacing would reduce deaths of these birds since I presume that each fault kills some of the starlings.
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  • I saw the news article. In this particular case I feel that the answer could be to replace the cross pieces with longer ones so as to increase the spacing between conductors.

    This sounds a simple job and should avoid future problems.

    Starling numbers are in decline, and a more generous conductor spacing would reduce deaths of these birds since I presume that each fault kills some of the starlings.
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