Numerical Analysis on Wind-Induced Vibration of Long Span Power Transmission Towers

Author

Gan Feng-lin ; Peng Yuan

Author_Institution

Inst. of Archit. & Civil Eng., Northeast Dianli Univ., Jilin, China

fYear

2009

fDate

26-28 Dec. 2009

Firstpage

4972

Lastpage

4975

Abstract

A method for analyzing wind-induced vibrations of 1000kv Hanjiang ultrahigh voltage long span power transmission towers coupled with power lines is discussed in this paper. This paper also discusses the influence on response characteristics of differences in transmission support systems and differences between peak factors, computed from a time-series and from power spectrum density. Through the analysis of the data of dynamic characteristic and wind-induced response of the tower-transmission line system, the results of analysis show that differences in the way power transmission towers supported power lines have an influence on response characteristics, and peak factors computed from a time-series response are greater than those computed from power spectrum density.

Keywords

design engineering; poles and towers; power cables; power transmission; time series; vibrations; dynamic characteristic; long span power transmission tower; peak factor; power lines; power spectrum density; time-series response; tower-transmission line system; transmission support system; ultrahigh voltage transmission line; wind-induced response; wind-induced vibration; Civil engineering; Couplings; Numerical analysis; Poles and towers; Power engineering computing; Power system modeling; Power transmission; Time series analysis; Voltage; Wind speed;

fLanguage

English

Publisher

ieee

Conference_Titel

Information Science and Engineering (ICISE), 2009 1st International Conference on

Conference_Location

Nanjing

Print_ISBN

978-1-4244-4909-5

Type

conf

DOI

10.1109/ICISE.2009.789

Filename

5454655