A numerical simulation on wake-induced oscillation of twin bundle conductor lines

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Journal of Vibration and Shock ›› 2017, Vol. 36 ›› Issue (4) : 59-65.

HE Xiaobao1,YAN Bo1,2 ,WU Chuan1,ZHANG Bo3,4,YANG Xiaohui3,4

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Abstract

Lift coefficient and drag coefficient of leeward conductors varying with relative position of upwind conductors were simulated by fluid dynamics software Fluent. The wake-induced oscillation of typical twin bundle conductor lines were numerically simulated by ABAQUS software. The moving traces,vibration amplitude and frequency characteristics of sub-conductors were obtained. It is shown that the displacement phases of the two sub-conductors are opposite,and the moving traces are approximated as a horizontal ellipse. The simulation results are consistent with the field observation results. Finally,the characteristics of wake-induced oscillation of the twin bundle conductor line with equally and unequally installed spacers are compared.

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twin bundle conductor / aerodynamic coefficient / wake-induced oscillation / numerical simulation

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HE Xiaobao1,YAN Bo1,2,WU Chuan1,ZHANG Bo3,4,YANG Xiaohui3,4. A numerical simulation on wake-induced oscillation of twin bundle conductor lines[J]. Journal of Vibration and Shock, 2017, 36(4): 59-65

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