ユニバーサルモータにおける整流アークと電磁雑音 RF Noise Associated with Time Varying Arc Current across Brush and Commutator in Universal Motors

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EMI in the universal motors remains as a very important problem to be solved and is conventionally evaluated by the remote measurement of noise figure at the distant point from the noise source.<br>In order to clear the mechanism of noise generation in the universal motors, we try to measure the noise pattern near the noise source by using two coils which are installed for direct detection of the time varying arc current and the noise levels in the range of 0.15_??_5 MHz.<br>The experimental results show that the noise levels depend on the time derivatives (<i>di</i>/<i>dt</i>) of the arc current and the wide spread of noise levels are caused by randomness of arc quenching. We also discuss the propagation of noise and the comparison with the conventional evaluation of EMI, using an appropriate procedure of the obtained experimental data.

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  • 電気学会論文誌. D, 産業応用部門誌 = The transactions of the Institute of Electrical Engineers of Japan. D, A publication of Industry Applications Society  

    電気学会論文誌. D, 産業応用部門誌 = The transactions of the Institute of Electrical Engineers of Japan. D, A publication of Industry Applications Society 118(6), 773-779, 1998-06 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10002726975
  • NII書誌ID(NCID)
    AN10012320
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09136339
  • NDL 記事登録ID
    4502050
  • 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
    Z16-1608
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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