Sound Wave Propagation Analysis Using FDTD for Contaminated Insulator Discharge Noise

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Discharge noises caused by contaminated insulator string were studied using anechoic room where the difference of the noise waveform due to insulator shape was found. In this study, sound wave propagation of the discharge noises have been simulated using two-dimensional FDTD method to examine the effect of insulator shape on the observed waveform. In the course of the study, the shape data of the insulator was expressed as the set of elements that typify the media (air and solid), directions of air-solid (porcelain) boundary, and directions of 'Free Space' boundary by allocating the colors on the corresponding bitmap image file. The source points of the sound were also arranged into the bitmap. Calculated wave propagation for each time step is again expressed in the form of bitmap for visualization. The nature of the calculated sound waveforms for different insulator shapes and discharge positions are compared with that in the experiment.

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(4), 628-633, 2008-04-01 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10021130592
  • NII書誌ID(NCID)
    AN10136334
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    03854213
  • NDL 記事登録ID
    9451007
  • 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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