Theoretical Analysis and Experimental Validation on Galloping of Iced Transmission Lines in a Moderating Airflow

Figure 4

Time histories (1500–1650 s). (a) 1^st in-plane mode. (b) 2^nd in-plane mode. (c) 1^st torsional mode. (d) 2^nd torsional mode.

(a)

(b)

(c)

(d)