Study on Galloping Behavior of Eight Bundle Conductors with Crescent-shaped Ice
Zhou Linshu1, Yan Bo1,2, Zhang Liang 1, Zhou Song3
Author information+
1. College of Aerospace Engineering, Chongqing University, Chongqing 400044, China;
2.State Key Laboratory of Transmission & Distribution Equipment and Power System Safety and New Technology, Chongqing University, Chongqing 400044, China;
3.Sichuan Electric Power Industry Commission & Test Institute, Chengdu 610016,China
The aerodynamic coefficients of the iced crescent shape conductor models varying with angle of wind attack were obtained by wind tunnel test. The aerodynamic characteristics of iced eight bundled conductor may be more complicated due to the wake interference around the sub-conductors. Based on the aerodynamic coefficients and ABAQUS software, galloping behavior, such as dynamic responses, galloping orbits, frequencies, vibration modes and amplitudes of typical iced eight bundle conductor transmission lines in the cases of different span lengths, initial tensions in sub-conductors, wind velocities and angles of wind attack is studied. These results provide galloping behavior recognitions of iced eight bundled conductors and development of anti-galloping technology.
Zhou Linshu1, Yan Bo1,2, Zhang Liang 1, Zhou Song3.
Study on Galloping Behavior of Eight Bundle Conductors with Crescent-shaped Ice[J]. Journal of Vibration and Shock, 2015, 34(18): 183-189
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