Analysis of the heating cause of a 110 kV high-voltage cable terminal caused by defects installation process and grounding system

Yaodong Zhang; Chang Zhao; Yi Kan; Xiang Ren; Zhiqiang Feng

doi:10.1117/12.3039632

28 August 2024 Analysis of the heating cause of a 110 kV high-voltage cable terminal caused by defects installation process and grounding system

Yaodong Zhang, Chang Zhao, Yi Kan, Xiang Ren, Zhiqiang Feng

Author Affiliations +

Proceedings Volume 13251, Ninth International Conference on Electromechanical Control Technology and Transportation (ICECTT 2024); 1325131 (2024) https://doi.org/10.1117/12.3039632
Event: 9th International Conference on Electromechanical Control Technology and Transportation (ICECTT 2024), 2024, Guilin, China

Abstract

Taking the heating of a 110kV high-voltage cable GIS terminal as an example, this article analyzes the impact of cable installation process and grounding method on the operation of cable accessories, and finally discusses the grounding process of cable accessories. The cable terminal was abnormally heated, and during operation, live detection found cross-linking errors and excessive circulating current. After power outage and disassembly, it was found that the tail pipe structure design of the connector was unreasonable, and the grounding current flowed through the cone-shaped spring, causing heating and burning of the cable body and epoxy sleeve.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yaodong Zhang, Chang Zhao, Yi Kan, Xiang Ren, and Zhiqiang Feng "Analysis of the heating cause of a 110 kV high-voltage cable terminal caused by defects installation process and grounding system", Proc. SPIE 13251, Ninth International Conference on Electromechanical Control Technology and Transportation (ICECTT 2024), 1325131 (28 August 2024); https://doi.org/10.1117/12.3039632

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