ZnO素子における破損モードのシミュレーション The Simulation of Failure Modes on ZnO Varistors

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There are three main failure modes of ZnO varistors; thermal runaway, puncture and cracking. It is important from the operational point of view for user of ZnO surge arresters to know the fundamental mechanisms of these failure modes. I led many equations on these failures and simulated failure modes. I have been experienced the only failures of cracking which were occurred by lightning strokes operating our power systems. As the result of simulations, I found that this cracking results from that the highest thermal tensile stress is over the tensile strength and the relative expansion becomes longest too when the maximum temperature is shifted and the hole or the melt is occurred by the large lightning stroke current on the ZnO varistor.

収録刊行物

  • 電気学会論文誌. B, 電力・エネルギー部門誌 = The transactions of the Institute of Electrical Engineers of Japan. B, A publication of Power and Energy Society

    電気学会論文誌. B, 電力・エネルギー部門誌 = The transactions of the Institute of Electrical Engineers of Japan. B, A publication of Power and Energy Society 128(6), 860-870, 2008-06-01

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10021130923
  • NII書誌ID(NCID)
    AN10136334
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03854213
  • NDL 記事登録ID
    9531691
  • NDL 雑誌分類
    ZN31(科学技術--電気工学・電気機械工業)
  • NDL 請求記号
    Z16-794
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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