Aeolian Vibrations on Power-Line Conductors, Evaluation of Actual Self Damping

被引：13
|
作者：
Guerard, Suzanne [1 ]
Godard, Bertrand [1 ]
Lilien, Jean-Louis [1 ]
机构：
[1] Univ Liege, Dept Elect Elect & Comp Sci, Inst Montefiore, B-4000 Liege, Belgium
来源：
IEEE TRANSACTIONS ON POWER DELIVERY | 2011年 / 26卷 / 04期
关键词：
Frequency measurement; transmission lines; vibration measurement; wind;
D O I：
10.1109/TPWRD.2011.2151211
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Aeolian vibrations of power lines are induced by Von Karman vortex shedding. Without dampers, the amplitude of vibration very much depends on conductor self damping, which may be very low. The purpose of this paper is to show measurements of these vibrations carried out by a new experimental device which is able to perform continuous measurements in the full range of frequencies and amplitudes. In this paper, 550 h of continuous recording on four different conductors placed in similar conditions is detailed. An evaluation of self damping power, based on observations, is proposed.
引用
收藏
页码：2118 / 2122
页数：5
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