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Aeolian Vibration Fundamentals

This is a repost of an informational technical video made by Preform Line Products. All credit and acknowledgement to the original authors. I claim no credit. I am posting this to help anyone searching under this topic. Aeolian vibration is a type of motion caused by wind on conductors and overhead shield wires of transmission and distribution lines. Aeolian vibration is characterised by low amplitude (conductor diameter) high frequency (5 to 150 Hz). Aeolian vibration of conductors and overhead shield wires (OHSW) on transmission and distribution lines can produce damage that will negatively impact the reliability or serviceability of these lines. In this phenomenon, conductor strand fatigue failures occur at the suspension clamps or at the clamps of the other devices installed on the conductor such as spacers, spacer dampers, dampers and other devices.