Abstract
Angular tension-resistant transmission tower is taken as research object in this paper. The Davenport pulsating-wind speed spectrum was used to simulate wind speed time series and the wind power spectrum at different height nodes of transmission tower in MATLAB with the help of the linear filtering method (AR). The reliability of the fluctuating wind speed time series simulation was confirmed by comparing the wind power spectrum with Davenport power spectrum. Refined finite element model of the tower was established by APDL in ANSYS. The wind-load was calculated by the simulation of wind speed time series, and the wind-load time-history curve was generated at the same time. Finally, the dynamic characteristics and the wind-induced dynamic response of transmission tower in hurricane ware studied. The results show that the top of the tower was prone to large deformation and acceleration under strong wind excitation. In other words, there was a significant whipping effect. The research results will prove a useful reference for designing transmission tower and safeguarding the operation of transmission lines.
This project is supported by state grid henan power company (Grant No. 5217021350HQ).
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Liu, Z., Liu, B., You, Z., Li, M. (2020). Analysis of Wind Vibration Response of Transmission Tower. In: Tan, J. (eds) Advances in Mechanical Design. ICMD 2019. Mechanisms and Machine Science, vol 77. Springer, Singapore. https://doi.org/10.1007/978-981-32-9941-2_38
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DOI: https://doi.org/10.1007/978-981-32-9941-2_38
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