Lightning measured on 4-kv overhead circuits

Halperin, Herman; McEachron, K. B.

doi:10.1109/ee.1934.6539911

Cited by 1 publication

(1 citation statement)

References 5 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…[11] at the west end of the line had an average peak value of –72 kV and that at the east end of the line was −47 kV. In [33], they observed that only in rare cases like direct strikes, the maximum voltage could exceed 300 kV. In [34], it was found that when the strike point distance is 200 m, the induced voltage on line was still monopolar, but when it shortened to 50 m, an initial negative peak appeared.…”

Section: Discussionmentioning

confidence: 99%

Induced voltage at the closest pole on parallel line due to direct triggered lightning on 10 kV double circuit distribution line

Zhao

Wang

et al. 2023

IET Generation Trans & Dist

View full text Add to dashboard Cite

In 2019, triggered lightning was used to directly strike phase C of a 1.5 km, 10 kV doublecircuit distribution line in Guangzhou, China, with 2 flashes (13 return strokes) recorded. This paper presents the characteristics of induced voltage at the closest pole on the parallel line. The induced voltage is bipolar, which can be divided into 3 stages: negative increase stage, fast and positive transition stage and slowly returning to zero stage. The positive peak value of phase A voltage ranges from 111.4 to 228.9 kV and that of phase C voltage is from 90.1 to 200.9 kV, corresponding to lightning current from −8.9 to −29.9 kA. The positive peak value of the induced voltage is approximately 3 to 10 times the negative peak value. The negative peak, positive peak and positive 10%-10% duration time of induced voltage show a good linear relationship with the peak value of the return stroke current. There was no flashover occurred during the whole process. The result in this paper can provide data support for numerical simulation and line protection analysis.

show abstract

Section: Discussionmentioning

confidence: 99%