Wind-Induced Vibration Response Analysis of Overhead Transmission Lines Under Icing Condition

ZHOU Meng; ZHANG Yiyao; WU Bin

doi:10.13204/j.gyjzG21070113

Volume 53 Issue 4

Apr. 2023

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ZHOU Meng, ZHANG Yiyao, WU Bin. Wind-Induced Vibration Response Analysis of Overhead Transmission Lines Under Icing Condition[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(4): 8-14. doi: 10.13204/j.gyjzG21070113

Citation:

ZHOU Meng, ZHANG Yiyao, WU Bin. Wind-Induced Vibration Response Analysis of Overhead Transmission Lines Under Icing Condition[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(4): 8-14. doi: 10.13204/j.gyjzG21070113

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Wind-Induced Vibration Response Analysis of Overhead Transmission Lines Under Icing Condition

doi: 10.13204/j.gyjzG21070113

ZHOU Meng^1,2,3,
ZHANG Yiyao^{4
,
,},
WU Bin⁴

1. Central Research Institute of Building and Construction Co., Ltd., MCC Group, Beijing 100088, China;
2. Tsinghua University, Beijing 100084, China;
3. Tsinghua Innovation Center in Zhuhai, Zhuhai 519080, China;
4. School of Transportation Science and Engineering, Beihang University, Beijing 100191, China

Received Date: 2021-07-01
Available Online: 2023-07-01

Abstract

Abstract

To investigate the vibration response characteristics of overhead transmission lines and the influence of icing and anti-vibration dampers, a typical long-span conductor was taken as the research object. The fluctuating wind model was established with the harmonic superposition method based on the theory of stochastic process, and then, the functional expression of natural wind load was obtained. The dynamic analysis of conductors was carried out by the general finite element software ANSYS. In the self-damping condition, the wind-induced vibration responses of bare conductor and ice-covered conductor were analyzed and compared. Finally, by simplifying the anti-vibration dampers as a spring vibrator, the dynamic response simulation was conducted on the system of ice-covered conductors and anti-vibration dampers, the effect of the multi-point centrally arranged dampers in controlling the vibration response of conductors was verified in both downwind and veritical wind directions.
- transmission line,
- fluctuating wind,
- wind vibration,
- damper,
- dynamic response analysis

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References(9)

References

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