適応二次磁束オブザーバを用いたベクトル制御誘導電動機系の安定性に関する一考察 A Consideration about Stability of Vector Controlled induction Motor Systems Using Adaptive Secondary Flux Observer

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There are some papers about the vector controlled induction motor systems with the adaptive secondary flux observer. One observer used in the system with speed sensor has the estimators of the primary resistance and secondary resistance. And another observer used in the system without speed sensor has the estimators of the primary resistance and speed. These systems are stable that the induction motor is driven under power running condition, but are not always stable that it is driven under regenerating condition. So far, the stability under regenerating condition is not made clear.<br>The conventional adaptive secondary flux observer was constituted on <i>dq</i> (fixed) coordinate. In this paper, it is constituted on γδ (rotated) coordinate. The stability of systems on both the coordinates is equivalent. As the state variables of the systems on γδ coordinate are dc, the stability of systems can be investigated around equilibrium points.<br>As the results of investigation, the stability of systems is made clear under the power running condition and the regenerating condition. The systems are stable under the power running condition as known. But the systems are almost never stable under the regenerating condition, in case the observer has the estimators of the primary resistance and secondary resistance, or the observer has the estimators of the primary resistance and speed. Even the regenerating condition, in case the observer has only the estimator of the secondary resistance, or the observer has only the estimator of the speed, the boundaries of stability extend fairly.<br>The appropriateness of investigation results is confirmed by the simulations.

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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 119(10), 1212-1222, 1999-10 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10004297271
  • 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
    4866238
  • 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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