発弧用金属線の材質と太さが耐アーク試験時のアークエネルギーに及ぼす影響

DOI Web Site Web Site 参考文献2件
  • 田中 慎一
    （一財）電力中央研究所 電力技術研究所
  • 神足 将司
    （一財）電力中央研究所 電力技術研究所
  • 田所 兼
    （一財）電力中央研究所 電力技術研究所
  • 合田 豊
    （一財）電力中央研究所 電力技術研究所

書誌事項

タイトル別名
  • Influence of Material and Thickness of Metal Wire for Ignition on Arc Energy in Power Arc Tests
  • ハツ コ ヨウキンゾクセン ノ ザイシツ ト フトサ ガ タイアーク シケンジ ノ アークエネルギー ニ オヨボス エイキョウ

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抄録

<p>Metal wires are widely used for arc ignitions in power arc tests on electrical power installations, and their material and thickness are selected variously. However, the material and the thickness of the metal wire are thought to be influential factors in the severity of the power arc test, because they may change the arc duration and the physical characteristics of arc. Therefore it is important to understand the dependence of the severity of the power arc test on the material and the thickness of the metal wire. In this paper, we made the experiment, where arcs were generated in a closed chamber with changing the material and the diameter of the metal wire for arc ignition. By this experiment, we clarified the fusing characteristics for various metal wires, and then studied how the material and the thickness of the metal wire influence the arc energy for the 1st half-cycle of current. As a result of this study, we pointed out a possibility of changing the severity in the power arc test according to the metal wire for arc ignition.</p>

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