直流リプル補償形単相PWMコンバータ Unity-Power-Factor PWM Converter with DC Ripple Compensation

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The generation of harmonics and their subsequent propagation into power line is a topic of increasing concern to power supply authorities. To prevent obstacles on the power system, Unity-Power-Factor PWM converter is going to apply to AC-DC power conversion plant. However, PWM converter, especially at single phase circuit, has some serious defects, that is low frequency ripple current which flows into the DC line and low frequency ripple voltage which appears on the DC output In usual case, it is necessary to connect a very large capacitor or a passive L-C resonant circuit to the DC line for the reduction of low frequency ripple voltage. However, in case of the Batteries are connected with the DC output, most of the DC ripple current flows into the Battery even if previous circuits are used because the impedance of the Battery is very low compared with that of previous circuit. The low frequency ripple current cause power loss on the Battery and the temperature has risen. It is well known that the life of the Battery is deeply influenced by the temperature. The ripple current, therefore, should be reduced to as possible as low.<br>To accomplish the reduction of the low frequency ripple current, a novel topology of the PWM rectifier is presented in this paper. The main circuit is constituted by adding only a pair of switching devices to conventional PWM converter circuit. With simple control technique, the ripple energy on the DC line is converted into the stored energy on the input AC capacitors though the additional switches. The theoretical characteristics are obtained by using statespace-averaging-method. The effect of the ripple reduction is confirmed by experiments using a bread board set-up.

収録刊行物

  • 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 117(4), 434-442, 1997-04 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10002724204
  • 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
    4172152
  • 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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