Arc-Extinguishing Research on Semi-Closed Multi-Compression Tube Structures

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

Energies, 2023, vol. 16, issue 3, 1-12

Abstract: Using lightning energy to extinguish the arc is a new lightning protection method. On this basis, the semi-closed multi-compression tube structures (SMTS) combined with the arc extinguishing structure studied in this paper can suppress the power frequency arc at the initial stage of arc establishment by using the coupling effect of current and gas. Firstly, through the simulation comparison method, the promotion effect of the semi-closed tube on the arc discharge was found. Furthermore, the two-dimensional impulse power frequency current coupling discharge model was established to obtain changes in physical quantities, such as temperature and conductivity. The conductivity decreased to the initial value in about 1 ms. Finally, the impulse power frequency combined arc extinguishing test was carried out. The test results show that the arc extinguishing structure can effectively extinguish power frequency freewheeling within 1 ms. It proves the effectiveness of the arc extinguishing structure.

Keywords: arc quenching; impulse arc; power frequency freewheeling; magnetohydrodynamics (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: 2023
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