Wind-Induced Coupling Vibration Effects of High-Voltage Transmission Tower-Line Systems

Table 11

Comparison of the displacements of the tower calculated by dynamic analysis in the tower-line system and the displacement given by the quasi-static calculations for the corresponding single tower.

Wind speed	Node number	Displacement in the -direction (m)			Displacement in the -direction (m)
		TL	QS	TL/QS	TL	QS	TL/QS
m/s	727	0.091	0.071	1.28	−0.053	0.001	−53
	660	0.070	0.055	1.27	−0.032	0.0002	−160
m/s	727	0.123	0.093	1.32	0.059	0.001	59
	660	0.096	0.072	1.33	0.036	0.0004	90
m/s	727	0.145	0.105	1.38	0.080	0.001	80
	660	0.112	0.081	1.38	0.050	0.001	50
m/s	727	0.170	0.117	1.45	0.102	0.001	102
	660	0.133	0.091	1.46	−0.062	0.001	−62
m/s	727	0.202	0.131	1.54	−0.100	0.001	−100
	660	0.157	0.102	1.54	−0.062	0.001	−62
m/s	727	0.192	0.145	1.32	0.116	0.001	116
	660	0.150	0.113	1.33	0.070	0.001	70
m/s	727	0.221	0.160	1.38	0.096	0.002	48
	660	0.172	0.124	1.39	0.061	0.001	61
m/s	727	0.258	0.175	1.47	−0.211	0.002	−105.5
	660	0.201	0.136	1.48	−0.129	0.001	−129
m/s	727	0.286	0.186	1.54	−0.185	0.002	−92.5
	660	0.223	0.144	1.55	−0.116	0.001	−116
m/s	727	0.301	0.202	1.49	−0.241	0.002	−120.5
	660	0.235	0.157	1.50	−0.151	0.002	−75.5
m/s	727	0.426	0.225	1.89	−0.271	0.002	−135.5
	660	0.334	0.175	1.91	−0.168	0.002	−84

Note. In the table, TL represents the dynamic calculation results of the tower in the tower-line system, and QS represents the quasi-static calculation results as stipulated by the design code for the corresponding single tower.