ラム波解析に基づいたGIS内自由金属異物の位置標定システムの構築 Development of Identification System for Location of a Free Metallic Particle in GIS based on Analysis of Lamb Waves

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We investigated propagation properties of Lamb waves in gas insulated switchgear (GIS) tank to diagnose insulation performance of GIS. The acoustic signals excited by a free metallic particle colliding with the tank sheath were measured using AE sensors. The Wavelet Transform was applied to decompose the wave data into its time-frequency components. As the result, difference of propagation properties of Lamb waves is clearly seen on different size of GIS tank. Based on the characteristics of Lamb waves, algorithms for location identification of a free metallic particle were examined in model GIS using two AE sensors. As the result, we propose a new system for location identification of a free metallic particle in GIS. Moreover, it is verified that the new identification system is suitable to diagnostic technique for GIS.

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 127(2), 389-396, 2007-02-01 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10018480750
  • 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
    8669098
  • 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  NDL  J-STAGE 
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