Wind-induced Vibration Control for High-voltage Transmission System Using Viscoelastic-damper

doi:10.11930/j.issn.1004-9649.2012.10.63.4

Abstract

Abstract: For wind-induced vibration of power transmission tower-line system, the vibration control strategy and implementation method is studied based on energy consumption principle of viscoelastic-damper. Firstly, the layout scheme of damper on tower was proposed based on analyzing the principle and structure of viscoelastic-damper, and the structure of damper. Then, an finite element model of the coupling system including tower, insulate chain, phase line and ground line was built by using ANSYS. A wind-induced vibration transient response simulation was performed respectively for the tower system with and without dampers by using the time history samples of random fluctuating wind load obtained with harmonic synthesis method. Finally, the influence of viscoelastic-dampers on the displacement of the controlled nodes and the axial force of the controlled elements was compared. The results indicate that the viscoelastic-damper can suppress the wind-induced vibration and can reduce the node displacement by about 90%. Through comparison, the optimal installation scheme of viscoelastic-damper is obtained.

CLC Number:

ZHONG Wan-li, WU Yi, WANG Wei, CHEN Hang-hang. Wind-induced Vibration Control for High-voltage Transmission System Using Viscoelastic-damper[J]. Electric Power, 2012, 45(10): 63-67.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.2012.10.63.4

https://www.electricpower.com.cn/EN/Y2012/V45/I10/63

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