Analysis of interphase discharge faults on transmission lines under the action of upwind on the windward slope

Changzhi Wang; Hongjie Zhang; Guo Huang; Meng Li

doi:10.1117/12.3045044

16 January 2025 Analysis of interphase discharge faults on transmission lines under the action of upwind on the windward slope

Changzhi Wang, Hongjie Zhang, Guo Huang, Meng Li

Author Affiliations +

Proceedings Volume 13447, International Conference on Mechatronics and Intelligent Control (ICMIC 2024); 134474L (2025) https://doi.org/10.1117/12.3045044
Event: International Conference on Mechatronics and Intelligent Control (ICMIC 2024), 2024, Wuhan, China

Abstract

There is a general upward wind on the windward slope of mountains. Under the action of this vertical upward airflow, the vertical and lateral wind deflections of the conductor and ground wire will increase significantly. The current specifications in China do not consider the vertical wind speed component in the upward wind on the windward slope, which may lead to significant calculation deviations in the wind deflection displacement of conductor and the ground wire. Taking the example of the interphase discharge of the conductor and ground wire in a microtopography area in Xinjiang, with the help of fluid dynamics simulation, the upward wind speed component at the windward slope is obtained, and the wind deflection response analysis of the ground wire considering the influence of the vertical wind speed component is carried out. The analysis shows that as the wind speed increases, the vertical and lateral distances of the ground wire are continuously decreasing, and the decrease in vertical distance is more significant. Eventually, when the wind speed reaches a certain magnitude, the interphase distance of the conductor and ground wire is less than the discharge gap limit, which induces the interphase discharge of the ground wire.

(2025) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Changzhi Wang, Hongjie Zhang, Guo Huang, and Meng Li "Analysis of interphase discharge faults on transmission lines under the action of upwind on the windward slope", Proc. SPIE 13447, International Conference on Mechatronics and Intelligent Control (ICMIC 2024), 134474L (16 January 2025); https://doi.org/10.1117/12.3045044

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