Research on Digital Twin Dynamic Modeling Method for Transmission Line Deicing System

Qinghao Chen, Tianyu Liu, Zhangqi Wang () and Rui Miao ()
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Qinghao Chen: Department of Mechanical Engineering, North China Electric Power University (Baoding), Baoding 071003, China
Tianyu Liu: Department of Mechanical Engineering, North China Electric Power University (Baoding), Baoding 071003, China
Zhangqi Wang: Department of Mechanical Engineering, North China Electric Power University (Baoding), Baoding 071003, China
Rui Miao: School of Ocean & Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

Energies, 2024, vol. 17, issue 6, 1-18

Abstract: A digital twin is recognized as a pivotal technology in a new type of power system monitoring as it provides an effective method for monitoring the vibration caused by ice shedding in overhead transmission lines. The digital twin model differs from traditional models in that it has the characteristics of precise mapping and real-time simulation. These emerging characteristics lead to urgent updating of the existing modeling approaches. Therefore, the current study proposes a dynamic digital twin modeling method for transmission line ice-shedding systems. In this approach, an analytical solution for conductor deicing oscillation is proposed to describe the span and tension unchanged in any time period and then segmented and iteratively corrected with measured time-varying parameters to implement real-time simulation functionality. A dynamic geometric model for transmission lines is proposed based on the Unity3D platform. In addition, a human-computer interaction visualization platform is proposed to display twin data, with the objective of realizing precise mapping of real transmission lines. Finally, an application of this systematic approach to continuous three-span wire demonstrates the feasibility and effectiveness of the proposed approach.

Keywords: transmission lines; deicing; digital twin; time series segmentation; analytical solution; continuous three-level line (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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