Spring friction damper for overhead electrical conductor

Details Spring friction damper for overhead electrical conductor Spring friction damper for overhead electrical conductor

H - Electricity

02

G

337/124

H02G 7/14 (2006.01)

Patent

CA 1113559

Abstract of the Disclosure A device for damping vibration, such as aeolian, of a suspended conductor. The device comprises at least one coil spring, at least a portion of the turns of which are close wound, and at least one clamp for attaching the spring to a conductor in spaced relation thereto. At least one inertial weight is mounted on or attached to the spring so that the weight can be resiliently suspended from the conductor by the spring and conductor clamp. The inertial weight is effective to relatively translate and thereby provide sliding friction between the close wound turns of the spring in a direction perpendicular to the axis of the spring when an associated conductor undergoes vibration above a given magnitude, and to bend the spring such that adjacent close wound turns of the spring separate from and impact against each other, the sliding friction and impacts between the turns of the spring being effective to dissipate the energy of the vibration of the conductor in the form of heat.

309487

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