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Online Predictor Design for Conductor Galloping
2021 5th International Conference on Smart Grid and Smart Cities (ICSGSC), 2021Conductor galloping, like many other natural disasters, poses significant challenge to the reliable operation of power system. Such events happen in extreme weather conditions with complex physical triggering mechanisms. Hence, it is challenging to predict such events due to the limited (galloping) samples as well as complex physical dynamics.
Bin Liu +5 more
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Explainable AI Enabled Conductor Galloping Predictor Design
2021 IEEE Power & Energy Society Innovative Smart Grid Technologies Conference (ISGT), 2021Conductor galloping, often happening at extreme weather conditions, poses significant challenges on the reliable operations of the power grid, as conductor galloping may lead to serious mechanical damages to the system. Hence, it is of crucial importance to accurately predict such events in advance.
Jian Sun 0020 +4 more
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Journal of Sound and Vibration, 2000
A useful design tool is developed for a bundle conductor of an electrical transmission line by using a three-degree-of-freedom hybrid model. The model is adaptable because it incorporates numerical mode shapes determined by numerically employing the finite element technique to form relevant matrices.
Q. ZHANG, N. POPPLEWELL, A.H. SHAH
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A useful design tool is developed for a bundle conductor of an electrical transmission line by using a three-degree-of-freedom hybrid model. The model is adaptable because it incorporates numerical mode shapes determined by numerically employing the finite element technique to form relevant matrices.
Q. ZHANG, N. POPPLEWELL, A.H. SHAH
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Modelling And Boundary Control Of Conductor Galloping
Journal of Sound and Vibration, 1993Abstract A distributed parameter model for wind induced "galloping" of overhead electric power lines is investigated. The partial differential equation obtained is a non-linear wave equation and numerical solutions are obtained using the method of characteristics.
Wang, H., Elcrat, A. R., Egbert, R. I.
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Effect of conductor geometry on bundle conductor galloping
Electric Power Systems Research, 1978Abstract A computer simulation of an elastic catenary was used to study the wake-induced galloping of a two-conductor bundle transmission line. It was shown that increasing the conductor separation reduces the region of galloping instability and decreases the amplitude of the resulting galloping.
Kenneth E. Gawronski, Roger J. Hawks
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Effect of temperature on galloping of iced conductors
Advances in Structural Engineering, 2017This article investigates the effect of temperature on galloping of iced conductors, accounting for the influence of sagging and geometric nonlinearity. By extending Irvine’s cable theory to thermo-elasticity problems, an analytical model is proposed to evaluate the effect of thermal stress on galloping of transmission lines.
Guo Li, Li Li
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Galloping Conductors and a Method for Studying Them
Transactions of the American Institute of Electrical Engineers, 1947This paper presents results of a study of the large amplitude oscillations of aerial conductors called galloping. The work was undertaken in an attempt to evaluate the possibility of mitigating the damage caused by these disturbances. A full scale experimental line is described which is so constructed that, without ice formation, it will gallop ...
E. L. Tornquist, C. Becker
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Inertially Coupled Galloping of Iced Conductors
Journal of Applied Mechanics, 1992This paper is concerned with the galloping of iced conductors modeled as a two-degrees-of-freedom system. It is assumed that a realistic cross-section of a conductor has eccentricity; that is, its center of mass and elastic axis do not coincide. Bifurcation theory leads to explicit asymptotic solutions not only for the periodic solutions but also for ...
P. Yu, A. H. Shah, N. Popplewell
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Analysis of Conductor Galloping Field Observations???Single Conductors
IEEE Power Engineering Review, 1981Phase-to-phase clearances often are increased in the design of overhead lines to minimize flashovers caused by galloping of ice-coated conductors in regions where that occurs. A collection of reports of the observed galloping behavior of operating lines has been analyzed with the objective of formulating improved guides for selection of increased ...
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Galloping of Lightly Iced Conductors: An Explanation
Dynamics, Acoustics and Simulations, 1998Abstract Stability of a stranded, sagged, lightly iced electrical power transmission cable subjected to aerodynamic forces and moment is studied. Small oscillations in three Cartesian directions about wind loaded equilibrium position and torsional oscillations are considered.
S. H. Venkatasubramanian +3 more
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