Design and application of lightning protection device with large current capacity of 35kV transmission line

Zezhong Sun; Yishi Yue; Xiaohan Yuan; Cheng Wang; Yafeng Chao; Zhengyu Liao; Ben Tan; Liu Zhang

doi:10.1117/12.2673197

25 April 2023 Design and application of lightning protection device with large current capacity of 35kV transmission line

Zezhong Sun, Yishi Yue, Xiaohan Yuan, Cheng Wang, Yafeng Chao, Zhengyu Liao, Ben Tan, Liu Zhang

Author Affiliations +

Proceedings Volume 12598, Eighth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2022); 1259833 (2023) https://doi.org/10.1117/12.2673197
Event: Eighth International Conference on Energy Materials and Electrical Engineering (ICMEE 2022), 2022, Guangzhou, China

Abstract

Due to the weak lightning protection level of 35kV line, the lightning trip rate of 35kV line is high. The research on 35kV lightning protection is of great significance to improve the reliability of power supply. Based on the actual characteristics of 35kV lines in Hunan province, a lightning protection device with large current capacity is proposed, which can carry 120kA(4/10μs) current as a whole. This research verifies the performance of the arrester from the aspects of valve plate selection, current test and insulation coordination, so as to ensure the overall performance of the arrester. The lightning arrester with large current capacity designed in this paper has reliable performance. It is suitable for the lightning protection of 35kV line and can improve the reliability of power supply.

Citation Download Citation

Zezhong Sun, Yishi Yue, Xiaohan Yuan, Cheng Wang, Yafeng Chao, Zhengyu Liao, Ben Tan, and Liu Zhang "Design and application of lightning protection device with large current capacity of 35kV transmission line", Proc. SPIE 12598, Eighth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2022), 1259833 (25 April 2023); https://doi.org/10.1117/12.2673197

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