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2013•East China Electric PowerRequires access

Wind Vibration Coefficient Analysis of 1000kV UHV Double-circuit Transmission Tower

Xiao Qi

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Abstract

Under the background of the project suspention tower,a part of 1 000 kV UHV double-circuit transmission line,in this paper,the coefficients calculated by time history analysis method were analysed.Wind speed simulation program of spatial correlation is developed by using MATLAB.Combining with the theory of random vibration,the dynamic response of the transmission tower-line system.The action of fluctuating wind loads were numerically simulated with ANSYS finite element software.The coefficients were obtained for calculating wind-induced vibration coefficient.The coefficients calculated by time history analysis method were compared with the values calculated by load standard.Some suggestion to the wind resistance design of the transmission towers were recommended.

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What this paper is about

Under the background of the project suspention tower,a part of 1 000 kV UHV double-circuit transmission line,in this paper,the coefficients calculated by time history analysis method were analysed.Wind speed simulation program of spatial correlation is developed by using MATLAB.Combining with the theory of random vibration,the dynamic response of the transmission tower-line system.The action of fluctuating wind loads were numerically simulated with ANSYS finite element software.The coefficients were obtained for calculating wind-induced vibration coefficient.The coefficients calculated by time history analysis method were compared with the values calculated by load standard.Some suggestion to the wind resistance design of the transmission towers were recommended.

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Available abstract

Under the background of the project suspention tower,a part of 1 000 kV UHV double-circuit transmission line,in this paper,the coefficients calculated by time history analysis method were analysed.Wind speed simulation program of spatial correlation is developed by using MATLAB.Combining with the theory of random vibration,the dynamic response of the transmission tower-line system.The action of fluctuating wind loads were numerically simulated with ANSYS finite element software.The coefficients were obtained for calculating wind-induced vibration coefficient.The coefficients calculated by time history analysis method were compared with the values calculated by load standard.Some suggestion to the wind resistance design of the transmission towers were recommended.

Key concepts: Transmission line, Tower, Transmission tower, Vibration, Wind speed, Structural engineering, Finite element method, MATLAB

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