Research Article

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

Table 4

Oscillation RMS amplitudes at each subspan midpoint of two subconductors. (α = 30°).

Current intensity (A)SubspanHorizontal displacement (m)Vertical displacement (m)
Subconductor 1Subconductor 2Subconductor 1Subconductor 2

010.1020.2160.3310.271
20.3430.3471.4691.690
30.3410.3501.4711.689
40.1010.2130.3310.271

50010.2580.2580.1770.186
20.4720.4740.4440.557
30.4790.4790.4470.555
40.2570.2590.1800.185

75010.1920.2110.1310.165
20.4450.4350.2370.326
30.4410.4330.2380.327
40.1900.2110.1300.166