Numerical Simulation for Analyzing Re‐strike Phenomenon of Arc Plasma Considering Application of Recovery Voltage at Direct Current Circuit Breaker

Numerical Simulation for Analyzing Re‐strike Phenomenon of Arc Plasma Considering Application of Recovery Voltage at Direct Current Circuit Breaker
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直流断路器考虑恢复电压应用的电弧等离子体重击穿现象数值模拟

DOI:
10.1002/tee.23548
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发表时间:
2021
影响因子:
1
通讯作者:
T. Iwao
T. Iwao
中科院分区:
工程技术4区
文献类型:
--
作者:
Z. Ren;Y. Nemoto;Yuki Suzuki;T. Iwao

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为了模拟直流断路器(DCCB)开断过程中的电弧等离子体运动及其物理特性,建立了一种考虑熔融金属桥、电极开断过程和外加磁场的开断过程中恢复电压施加的数值方法。结果表明,电极间的高温气体残留物或电弧等离子体外围的回弹速度分布触发了二次击穿现象。此外,还提出了改进分布式断路器设计的建议。©2021日本电气工程师学会。由威利期刊有限责任公司出版。
To simulate the arc plasma movement and its physical properties during the interruption process of a direct current circuit breaker (DCCB), a numerical method was established in this study for applying recovery voltage during this interruption process considering the molten metal bridge, electrode opening process, and external magnetic field. The results reveal that the re‐strike phenomenon was triggered by either the residue of high‐temperature gas between the electrodes or the rebound flow velocity distribution at the periphery of arc plasma. Furthermore, suggestions for improving the DCCB design are provided herein. © 2021 Institute of Electrical Engineers of Japan. Published by Wiley Periodicals LLC.
DOI: 10.1002/tee.23040
发表时间: 2019-10
影响因子: 1
作者:
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发表时间: 2020
期刊: IEEJ Trans Elec Electron Eng
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DOI: --
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期刊:
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发表时间: 2022
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