Experiment Study on Dynamic Effects of Tower-Line Systems Induced by Ice Shedding

Table 3

Comparison of test frequency and design frequency.

Research object	Vibration mode	Test frequency (Hz)	Design frequency (Hz)	Error (%)
Tension tower	First order	23.05	22.15	4.07
	Second order	23.49	22.46	4.56
Tangent tower	First order	7.625	7.813	2.47
	Second order	7.678	7.861	2.38
First-span conductor	First order	0.804	0.830	3.23
	Second order	1.058	1.074	1.51
Second-span conductor	First order	1.131	1.172	3.62
	Second order	1.631	1.709	4.78