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

页码：2118 / 2122

页数：5

共 46 条

[1] Original Real-Time Observations of Aeolian Vibrations on Power-Line Conductors
Godard, Bertrand
Guerard, Suzanne
Lilien, Jean-Louis
IEEE TRANSACTIONS ON POWER DELIVERY, 2011, 26 (04) : 2111 - 2117
[2] GALLOPING OF BUNDLED POWER-LINE CONDUCTORS
NAKAMURA, Y
JOURNAL OF SOUND AND VIBRATION, 1980, 73 (03) : 363 - 377
[3] On the Euler-Lagrange formalism to compute power line bundle conductors subject to aeolian vibrations
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[7] MEASUREMENT OF MAGNETIC-FIELDS IN THE DIRECT PROXIMITY OF POWER-LINE CONDUCTORS
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IEEE TRANSACTIONS ON POWER DELIVERY, 1995, 10 (03) : 1211 - 1216
[8] Analysis of Aeolian Vibrations of Transmission Line Conductors and Extraction of Damper Optimal Placement with a Comprehensive Methodology
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INTERNATIONAL JOURNAL OF ENGINEERING, 2019, 32 (02): : 328 - 337
[9] Variable-resistance conductors (VRC) for power-line de-icing
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COLD REGIONS SCIENCE AND TECHNOLOGY, 2011, 65 (01) : 23 - 28
[10] PREDICTING VHF/UHF ELECTROMAGNETIC NOISE FROM CORONA ON POWER-LINE CONDUCTORS
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