Research on Differentiated Lightning Protection of Overhead Distribution Lines under Continuous Lightning Strikes

Duanjiao Li, Wenxing Sun, Kunyu Song, Ruifeng Zhu, Zhenxin Zhong, Tongshu Ding and Jiachen Gao ()
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Duanjiao Li: Guangdong Power Grid Co., Ltd., China Southern Power Grid, Guangzhou 510620, China
Wenxing Sun: Guangdong Power Grid Co., Ltd., China Southern Power Grid, Guangzhou 510620, China
Kunyu Song: Electric Power Research Institute, Guangdong Power Grid Co., Ltd., Guangzhou 510050, China
Ruifeng Zhu: Huizhou Power Supply Bureau, Guangdong Power Grid Co., Ltd., Huizhou 516001, China
Zhenxin Zhong: Huizhou Power Supply Bureau, Guangdong Power Grid Co., Ltd., Huizhou 516001, China
Tongshu Ding: College of Electrical and Information Engineering, Hunan University, Changsha 410082, China
Jiachen Gao: College of Electrical and Information Engineering, Hunan University, Changsha 410082, China

Energies, 2024, vol. 17, issue 18, 1-15

Abstract: Distribution lines are an important component of a power system. Lightning disasters have serious adverse effects on the reliability of the power supply in distribution networks. In response to the current lack of research on lightning protection in distribution networks under continuous lightning strikes, we built a transient simulation model and calculated the lightning withstanding level and lightning outage rate of distribution lines under continuous lightning strikes. In addition, the impact of different factors on the lightning withstanding level and lightning outage rate of distribution lines under continuous lightning strikes was calculated for different lightning protection strategies. Finally, differentiated lightning protection strategies based on the lightning outage rate calculation were proposed.

Keywords: overhead lines; lightning protection; continuous lightning strikes; lightning withstanding level; lightning outage rate (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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