Nonlinear Dynamic Analysis of High-Voltage Overhead Transmission Lines

Figure 21

Wind-induced vibration response of the transmission line when  m/s.

(a) Dimensionless mid-span displacement

(b) Relationship between the out-of-plane and in-plane mid-span displacements

(c) In-plane mid-span phase trajectory

(d) Out-of-plane mid-span phase trajectory

(e) Fourier spectrum of the in-plane mid-span displacement

(f) Fourier spectrum of the out-of-plane mid-span displacement

(g) Dynamic tension time history

(h) Fourier spectrum of the dynamic tension