Analytical Study on Galloping of Two-Spanned Transmission Line with Four-Bundled Conductors Observed in The Tsuruga Test Line

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  • 敦賀試験線で観測された4導体2連続径間送電線のギャロッピング振動の解明
  • ツルガ シケンセン デ カンソク サレタ 4 ドウタイ 2 レンゾクケイ カン ソウデンセン ノ ギャロッピング シンドウ ノ カイメイ

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Abstract

To study galloping phenomena of two spanned transmission line with four-bundled conductors, the field observation has done for three years in the full scale Tsuruga Test Line, and the influences of the shape of ice accretion and the input wind velocity on the mode, the frequency and the amplitude of galloping vibration were examined by using the Matsubayashi's formula in the present design code of transmission line, a complex eigenvalue analysis and a nonlinear response analysis. This paper reports characteristics of galloping phenomenon in the transmission line which has been clarified analytically.

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