Treeing Breakdown in Inorganic-filler/LDPE Nano-composite Material

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A nano-composite material of magnesium oxide (MgO) added to a low-density polyethylene (LDPE) was subjected to electrical tree breakdown investigation. The LDPE without nano-fillers was lower in breakdown voltage than the LDPE added with nano-fillers. The breakdown voltage was increased by increase of nano-filler concentrations in LDPE. This result much coincided with the result on tree inception voltage which was increased when the concentration of filler in LDPE was increased. It is considered that fillers would create such an obstruction to the tree bridging the counter electrode. However, even the tree had bridged the plate electrode; the breakdown was not always immediately to occur. There would be so-called time-lag between "bridging" and "final breakdown". The time-lag to breakdown was increased with the nano-filler concentrations in LDPE. It is considered that the polymer nano-composites are more resistive against partial discharges than their base material.

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  • 電気学会論文誌. A, 基礎・材料・共通部門誌 = The transactions of the Institute of Electrical Engineers of Japan. A, A publication of Fundamentals and Materials Society  

    電気学会論文誌. A, 基礎・材料・共通部門誌 = The transactions of the Institute of Electrical Engineers of Japan. A, A publication of Fundamentals and Materials Society 127(1), 29-34, 2007-01-01 

    The Institute of Electrical Engineers of Japan

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被引用文献:  7件

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各種コード

  • NII論文ID(NAID)
    10018456875
  • NII書誌ID(NCID)
    AN10136312
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    03854205
  • NDL 記事登録ID
    8624013
  • 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
    Z16-793
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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