予測形瞬時値制御を用いた電力用三相アクティブフィルタ A Three-Phase Active Power Filter with a Predictive-Instantaneous-Current PWM Controller

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One of the most emphasized problems to be solved in power systems in recent years is the line-current harmonics problem. This is due to the use of diode rectifiers, PWM converters, nonlinear loads and so on. To reduce or eliminate such current harmonics, an active power filter (APF), which is a sophisticated power electronic converter, has been studied and used in some practical applications.<br>In this paper, we propose and discuss two new control methods for three-phase shunt APFs: the sinusoidal linecurrent control method and the instantaneous-reactive-power compensation control method. They are based on pulsewidth prediction control, or a predictive-instantaneous-current PWM control. Neither any instantaneous power information nor coordinate transformation is necessary for control. In the sinusoidal line-current control scheme, the controller governs the switching devices of the APF by using the pulsewidth that is optimally predetermined at the beginning of every switching period with the sinusoidal current reference. The line-currents flow sinusoidally and are in phase with the voltage accordingly. In the instantaneous-reactive-power compensation control, the control is performed so that the resultant circuit of the load and the APF is regarded as a time-variant conductance circuit model. The APF with this control scheme can cancel effectively the instantaneous reactive component produced by the load though the controller is simple.<br>This paper discusses the performance characteristics of the APFs when a three-phase diode rectifier and an unbalanced load are connected to the line. The practicability of the proposed methods is verified by experiment.

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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), 741-747, 1998-06 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10002726931
  • 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
    4502046
  • 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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