Research Article
Oct 1970
Unbalanced Tensions in Transmission Lines
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VIEW THE REPLYPublication: Journal of the Structural Division
Volume 96, Issue 10
Abstract
A nonlinear analysis of an electric transmission line is presented for conditions involving imbalance in conductor tensions. The analysis is applicable to lines containing structures of arbitrary geometry and stiffnesses. Structure and insulator displacements are considered. Stiffness properties of structures, conductors, and insulators are derived. Equilibrium equations to be used in the analysis are formed. Two numerical methods of analysis, an iteration method, and a step-by-step linear increment technique are applied to the equilibrium equations. Both methods which have been programmed on a digital computer are applied to an actual transmission line containing flexible tubular steel structures. The iteration method has been found to be superior to the step-by-step method for the example analyzed. Analysis of this line has also shown that neglecting deflections of flexible structures with suspension insulators introduces substantial error.
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Published In
Journal of the Structural Division
Volume 96 • Issue 10 • October 1970
Pages: 2189 - 2207
Copyright
© 1970 American Society of Civil Engineers.
History
Published in print: Oct 1970
Published online: Feb 1, 2021
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Authors
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David B. Campbell
Engr., Pacific Gas and Electric Co., San Francisco, Calif.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.