Research on Energy Conversion in the Arc-Extinguishing Process of a Long-Gap Gas Lightning-Protection Device

Qiwen He (), Jufeng Wang, Yang Lu, Yongfeng Song, Zhenghao Jia, Hao Li, Yanlei Wang and Yiyi Zhang
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Qiwen He: High-Pressure Laboratory, Guangxi University, Nanning 530004, China
Jufeng Wang: High-Pressure Laboratory, Guangxi University, Nanning 530004, China
Yang Lu: High-Pressure Laboratory, Guangxi University, Nanning 530004, China
Yongfeng Song: High-Pressure Laboratory, Guangxi University, Nanning 530004, China
Zhenghao Jia: High-Pressure Laboratory, Guangxi University, Nanning 530004, China
Hao Li: High-Pressure Laboratory, Guangxi University, Nanning 530004, China
Yanlei Wang: High-Pressure Laboratory, Guangxi University, Nanning 530004, China
Yiyi Zhang: High-Pressure Laboratory, Guangxi University, Nanning 530004, China

Energies, 2022, vol. 15, issue 20, 1-14

Abstract: In this paper, a two-dimensional axisymmetric module of gas arc extinguishing was simulated using energy balance theories. We used simulation to study the energy distribution change during the gas arc-extinguishing process. We built a lightning impulse current experimental platform according to the IEC standard, and experiments verified the preliminary conclusions of the simulation. Comparison curves of the experimental data and simulation calculations were drawn in the range of 20 kV to 70 kV. Simulation and experimental results showed that the arc-extinguishing ability of long-gap gas arcs is negatively correlated with voltage level and positively correlated with distance. Furthermore, within the allowable range of conditions, increasing the length of the chamber rather than shortening it helps to extinguish the arc more effectively and quickly.

Keywords: self-extinguishing arc; impulse discharge; energy conversion; arc; gas arc-extinguishing impulse discharge; energy conversion (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: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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