高分子材料烧蚀电弧点火过程电弧特性的数值预测

IF 0.4 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Electrical Engineering in Japan Pub Date : 2022-03-04 DOI:10.1002/eej.23373

Yusuke Nakano, Yasunori Tanaka, Tatsuo Ishijima, Daiki Nagai, Kentaro Inenaga

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引用次数: 0

摘要

采用电磁热流体分析方法研究了不同电流值下聚合物烧蚀电弧的点火过程特征。这种热流体模拟是基于计算的聚合物材料和电极材料的颗粒组成、蒸发蒸汽的热力学和输运性质。聚合物烧蚀假定是由电弧等离子体的热流引起的。由于聚合物烧蚀会影响电弧的行为，进而影响电弧的中断能力，因此对不同聚合物材料进行了聚合物烧蚀的起始研究。结果表明，聚合物烧蚀起始时间为毫微米~数十毫秒，随着电流的增大，聚合物烧蚀起始时间逐渐缩短。

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Numerical prediction on arc characteristics for various polymer materials during polymer-ablated arc ignition process

Characteristics of ignition process of polymer-ablated arc with different current values were investigated with electromagnetic thermofluid analysis. This thermofluid simulation is based on calculated particle composition, thermodynamic and transport properties of evaporated vapor of polymer material and electrode material. Polymer ablation was assumed to occur by heat flux from the arc plasma. The initiation of polymer ablation was studied for different polymer materials because polymer ablation can affect arc behavior and then arc interruption ability. Results showed that it took time of milli- to tens milliseconds to initiate polymer ablation, and that its initiation time decreases with increasing current.

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来源期刊

Electrical Engineering in Japan 工程技术-工程：电子与电气

CiteScore

0.80

自引率

0.00%

发文量

审稿时长

4-8 weeks

期刊介绍： Electrical Engineering in Japan (EEJ) is an official journal of the Institute of Electrical Engineers of Japan (IEEJ). This authoritative journal is a translation of the Transactions of the Institute of Electrical Engineers of Japan. It publishes 16 issues a year on original research findings in Electrical Engineering with special focus on the science, technology and applications of electric power, such as power generation, transmission and conversion, electric railways (including magnetic levitation devices), motors, switching, power economics.