Abstract
To limit the wind-induced deflection amplitude of an overhead conductor, this study proposes a calculation model and an optimization model for overhead lines. According to the geometric deformation relationship and the principle of energy conservation, a multi-rigid-body model (MRBM) is proposed for the wind-induced deflection of the overhead lines. An aeroelastic model wind tunnel test was designed to verify the accuracy of the MRBM; the efficiency of the MRBM was verified through comparison with the finite element model (FEM). The optimization model is presented, and the structural parameters of the transmission lines in the actual project are optimized and analyzed. The results show that the accuracy of the MRBM can meet engineering requirements; the solution time is shorter than FEM, and the MRBM is easily called by the optimization algorithm. The structural parameter optimization effectively limits the deflection amplitude of the overhead conductor according to the engineering requirements.
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**n Hu receive his M.S. degree in Mechatronic Engineering from the Inner Mongolia University of Science and Technology, Baotou, China, in 2016. He is currently pursuing a Ph.D. in Power Machinery Engineering at the North China Electric Power University, Baoding, China. His main research interests include the vibration mechanics of multi-rigid-bodies and the dynamic wind-induced deflection model and mechanism of overhead lines.
Zhangqi Wang receive his Ph.D. in Power Systems and Automation from the North China Electric Power University, Baoding, China, in 1997. He is currently a Professor at the Department of Mechanical Engineering, North China Electric Power University, Baoding, China. His main research interests include engineering vibration and intensity and transmission lines engineering.
Rui Tian receive his M.S. degree in Mechanical Engineering from the North China Electric Power University, Baoding, China, in 2020. He is currently pursuing a Ph.D. in Power Machinery Engineering at the North China Electric Power University, Baoding, China. His main research interests include transmission lines engineering and microterrain wind fields.
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Hu, X., Wang, Z. & Tian, R. Limiting the wind-induced deflection amplitude of an overhead conductor: establishment of multi-rigid-body model and optimization of structural parameters. J Mech Sci Technol 36, 3205–3216 (2022). https://doi.org/10.1007/s12206-022-0601-0
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DOI: https://doi.org/10.1007/s12206-022-0601-0