Effect of Electromagnetic Force on Galloping of Twin Bundle Conductor Lines

Zhou Linshu1, Yan Bo1,2, Zhao Yang1, Zhang Liang1

Journal of Vibration and Shock ›› 2016, Vol. 35 ›› Issue (4) : 141-147.

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Journal of Vibration and Shock ›› 2016, Vol. 35 ›› Issue (4) : 141-147.

Effect of Electromagnetic Force on Galloping of Twin Bundle Conductor Lines

  • Zhou Linshu1, Yan Bo1,2, Zhao Yang1, Zhang Liang1
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Abstract

Based on a numerical method calculating electromagnetic force between conductors, a finite element to determine the electromagnetic force during galloping simulation of twin bundle conductor lines is incorporated into ABAQUS software by means of the user-defined subroutine. The numerical method, which is verified with a numerical example, is employed to simulate galloping of twin bundle conductor lines with different span lengths and analyze the effect of electromagnetic force on their galloping characteristics. It is reflected by the numerical results that the effect of electromagnetic force on galloping of shorter span line is very small, however, the effect on that of longer span line increases with the electric current intensity. Therefore, it is necessary to take into account the effect of electromagnetic force while investigating galloping of bundle conductor transmission lines with longer span.
 

Key words

Electromagnetic force / twin bundle conductor / galloping / numerical simulation

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Zhou Linshu1, Yan Bo1,2, Zhao Yang1, Zhang Liang1. Effect of Electromagnetic Force on Galloping of Twin Bundle Conductor Lines[J]. Journal of Vibration and Shock, 2016, 35(4): 141-147

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