Study on Galloping Oscillation of Iced Twin Bundle Conductors considering the Effects of Variation of Aerodynamic and Electromagnetic Forces

Figure 14

Time histories of displacement on subconductor 1 and motion traces of two subconductors at the subspan 3 midpoint of the line with an unsymmetric spacer layout (I = 500 A α = −35°): (a) horizontal displacement of subconductor 1, (b) vertical displacement of subconductor 1, (c) motion traces of subconductor 1, and (d) motion traces of subconductor 2.

(a)

(b)

(c)

(d)