Tension of Conductor Under Concentrated Loads

[+] Author and Article Information
P. Yu, P. S. Wong

P. W. International, Inc., 2655 Kingsway, Vancouver, BC V5H 5H4 Canada

F. Kaempffer

Engineering and Technical Services Department, B. C. Hydro, 6911 Southpoint Drive, Burnaby, BC V3N 4X8 Canada

J. Appl. Mech 62(3), 802-809 (Sep 01, 1995) (8 pages) doi:10.1115/1.2897017 History: Received December 20, 1993; Revised May 18, 1994; Online October 30, 2007


A common difficulty in the analysis and design of transmission and distribution lines is to determine a conductor’s tension and its static profile under concentrated loads. For relatively small concentrated loads (such as detuning pendulums on transmission lines), approximation methods may give good predictions. For large concentrated loads (such as fallen trees on distribution lines), however, exact solutions must be found. This paper presents methodologies to compute conductor tension and static profile in three-dimensional space using both approximate and exact solution procedures under concentrated loads with different boundary conditions. Practical engineering examples from galloping control of transmission lines and mechanical coordination of distribution lines are given to demonstrate the applicability of the theory.

Copyright © 1995 by The American Society of Mechanical Engineers
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