大容量自励式変換器の新しい制御法 A Novel Control of Self-Commutated Converters for Large Power Applications

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Self-commutated converters are intensively studied to realize high performance power equipment for electric power systems. The converters have attractive features such as independent control of active and reactive power and reliable operations in power line faults. The switching losses of the converters with gate turn-off thyristors are, however, rather larger than those of conventional line commutated converters. To reduce the losses, a conventional PWM scheme such as subharmonic modulation requires low switching frequencies and causes inferior control performance especially in power line faults.<br>This paper proposes a novel PWM method for series connected multiple self-commutated converters. The method employs the space vector representation of the multiple converters and the switching actions are determined through comparing the vectors with voltage command vectors. The scheme realizes a low switching number in steady state as well as fast response to ensure reliable operations even in the power line faults. The validity of the control is examined by a computer simulation and experiments with a static var compensator.

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 118(9), 1020-1027, 1998-09 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10002817323
  • 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
    4548588
  • 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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