ZHAO Li, YAN Bo, CAI Meng-qi, WU Chuan. Numerical Investigation on Galloping Characteristics of Continuous Multi-Span Iced Quad Bundle Conductor Lines[J]. Applied Mathematics and Mechanics, 2014, 35(5): 487-497. doi: 10.3879/j.issn.1000-0887.2014.05.003
Citation: ZHAO Li, YAN Bo, CAI Meng-qi, WU Chuan. Numerical Investigation on Galloping Characteristics of Continuous Multi-Span Iced Quad Bundle Conductor Lines[J]. Applied Mathematics and Mechanics, 2014, 35(5): 487-497. doi: 10.3879/j.issn.1000-0887.2014.05.003

Numerical Investigation on Galloping Characteristics of Continuous Multi-Span Iced Quad Bundle Conductor Lines

doi: 10.3879/j.issn.1000-0887.2014.05.003
Funds:  The National Natural Science Foundation of China(51277186)
  • Received Date: 2014-02-17
  • Rev Recd Date: 2014-04-17
  • Publish Date: 2014-05-15
  • Finite element models of iced quad bundle conductor lines were set up and galloping processes of these lines were numerically simulated by means of ABAQUS software. Based on the analysis of the dynamic characteristics of the conductor lines and the galloping responses, the galloping vibration modes, frequencies and amplitudes of the continuous multi-span lines with different span lengths and span numbers were investigated and compared with those of the single-span dead-end lines. It is shown that the galloping modes and frequencies of the two end-spans of the multi-span lines are different from those of the intermediate spans, and the galloping characteristics of the multi-span lines are different from those of the single-span lines, which have to be taken into account in the development of anti-galloping technology.
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