# [1]余传运,张建润.输电塔线体系动力特性及风振响应分析[J].东南大学学报(自然科学版),2019,49(1):116-124.[doi:10.3969/j.issn.1001-0505.2019.01.017] 　Yu Chuanyun,Zhang Jianrun.Analysis on dynamic characteristics and wind-induced vibration response of transmission line systems[J].Journal of Southeast University (Natural Science Edition),2019,49(1):116-124.[doi:10.3969/j.issn.1001-0505.2019.01.017] 点击复制 输电塔线体系动力特性及风振响应分析() 分享到： var jiathis_config = { data_track_clickback: true };

49

2019年第1期

116-124

2019-01-20

## 文章信息/Info

Title:
Analysis on dynamic characteristics and wind-induced vibration response of transmission line systems

Author(s):
School of Mechanical Engineering, Southeast University, Nanjing 211189, China

Keywords:

TU311.3
DOI:
10.3969/j.issn.1001-0505.2019.01.017

Abstract:
Based on a 110 kV high voltage transmission tower project, a finite element model for the transmission line system was established, and the accuracy of transmission line finite element model is verified. The dynamic characteristics of the single tower and the tower line system were analyzed. The results show that the coupling effect on the vibration outside plane of tower line system is greater than that on the plane. The wind load time history of the transmission line system is numerically simulated by a harmonic superposition method, and the wind vibration response on the single tower and the tower line system is analyzed in the time domain. The wind vibration response on the transmission tower and the transmission line is mainly first-order vibration mode. The root mean square value of displacement response at the top of the transmission line system is 1.73 times that of the single tower at 0 °wind direction angle, 4.95 times the single tower at 90 °wind direction angle.The background response component of the top displacement of the transmission line system increases greatly at 90 °wind direction angle, the coupling effect is greater than 0 °wind direction angle. The in-plane coupling effect between the transmission tower and the transmission line is realized by a dynamic tension difference of the transmission line.The stress of the second layer of transmission tower is higher than that of other layers, it is the dangerous position of collapse.

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