Anti-galloping device

Details Anti-galloping device Anti-galloping device

H - Electricity

02

G

337/124

H02G 7/14 (2006.01)

Patent

CA 1302532

ANTI-GALLOPING DEVICE Abstract of the Disclosure A weight is installed in a vertical plane above the subject line. Gravity pulls the weight to an initial angle of about 140 degrees from the starting plane and thereby twists the line. The twist angle remains fixed so long as no gallop occurs. During galloping motion of the line, the initial twist is decreased as the line approaches the peak of motion and reinduced as the line leaves the peak. The line correspondingly rotates between zero degrees added twist and beyond about 140 degrees, the initial added twist angle. The rotation of the line continuously changes the profile of the air foil of the line formed by ice frozen about the line, and thereby dampens air lift and galloping of the line. The weight is attached to the line by a grip and clamp which enable adjustment of the location of the center of gravity of the weight with respect to the line.

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