大型多導体送電線で観測された風応答振動の特性と原因に関する考察

概要

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The field-measured, wind-induced vibration data of the transmission lines are analyzed in the frequency and time-frequency domains, in order to discuss their characteristics and possible mechanisms. The eignevalue and gust response analyses are also conducted for the finite element models of multiple bundled conductors. It is concluded through the experimental and theoretical modal analyses that the field observed data of wind-induced vibrations contain aerodynamically unstable phenomena with time-independent dominant frequency, while most of field observed vibrations could be non-stationary gust responses.
埼玉大学総合研究機構地域共同研究センター産学連携推進部門の論文