コモンモードモータサージ電圧の抑制法

  • 成田 剣太
    首都大学東京 電気電子工学専攻 パワーエレクトロニクス研究室
  • 清水 敏久
    首都大学東京 電気電子工学専攻 パワーエレクトロニクス研究室

書誌事項

タイトル別名
  • Common-mode Motor-surge-voltage Suppression Method
  • コモンモードモータサージ デンアツ ノ ヨクセイホウ

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抄録

<p>On the AC motor drive system with the PWM inverter, a surge voltage appearing on the motor terminals (differential-mode motor-surge-voltage) is a serious problem. In order to reduce the surge voltage, a motor-surge-voltage suppression method using a surge suppression cable that the authors have developed has already been proposed. However, another type of motor surge voltage appearing between the motor windings and the motor frame (common-mode motor surge voltage) still remains. This paper presents a novel motor-surge-voltage suppression method using a surge suppression cable. The method enables suppression of both the differential-mode and the common-mode motor surge voltage, and its effectiveness is confirmed by the experiment. Moreover, a numerical analysis of the motor surge voltage is performed to obtain optimum parameters of the surge suppression cable for greater reduction of each.</p>

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