永久磁石同期モータの過電圧抑制減速制御

書誌事項

タイトル別名
  • Control Method for Deceleration without Over-Voltage of the Permanent Magnet Synchronous Motor
  • エイキュウ ジシャク ドウキ モータ ノ カデンアツ ヨクセイ ゲンソク セイギョ

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抄録

In case of decelerating a permanent magnet motor, an over-voltage occurs on the inverter DC voltage due to the regenerative energy of the motor. In order to reduce the over-voltage, a brake circuit is usually applied to the DC circuit.<br>In this paper a reduction technique of the over-voltage without the brake circuit is described. We proposed the method for controlling the motor d-axis current optimally according to the motor q-axis current to reduce the over-voltage. This method is applied to the salient-pole machine. As a result over-voltage reduction is achieved on a certain condition.

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