Abstract
This paper presents galloping measurements conducted on a high-voltage overhead test line equipped with three single conductors as well as a second configuration of three conductors interconnected with interphase spacers. The test line consists of three suspension spans and two dead-end spans. To induce galloping amplitudes typical of those encountered as ice is formed on the conductor, a D-section jacketing was added to the conductors in the middle span. Conductor displacement was monitored using two accelerometers on each conductor and two video cameras. Different factors potentially influencing galloping amplitude, such as the mode that is excited, conductor tension, D-section mass per unit length and the wind’s angle of attack have been looked at.
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