Galloping Limit Cycle Amplitude and Frequency Estimation

The amplitude, frequency, and mode shape of a single galloping conductor are estimated. A finite element model of the line and supports based upon the weighted residual method is presented. The results produced by the analysis show good agreement with results obtained elsewhere. It is demonstrated t...

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Bibliographic Details
Published in:Journal of vibration and acoustics 1998-01, Vol.120 (1), p.25-31
Main Authors: White, W. N, Lynch, P. M, Venkatasubramanian, S. H
Format: Article
Language:English
Subjects:
Applied sciences
Electrical engineering. Electrical power engineering
Electrical power engineering
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Overhead networks
Physics
Power networks and lines
Solid mechanics
Structural and continuum mechanics
Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)
Vibrations and mechanical waves
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Description
Summary:The amplitude, frequency, and mode shape of a single galloping conductor are estimated. A finite element model of the line and supports based upon the weighted residual method is presented. The results produced by the analysis show good agreement with results obtained elsewhere. It is demonstrated that the fundamental galloping frequency can be aerodynamically dependent. Also included in the model are compliant line supports to represent the towers.
ISSN:1048-9002
1528-8927
DOI:10.1115/1.2893814