Starting Procedure of Rotation Sensorless PMSM at Coasting Condition for Railway Vehicle Traction

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  • Yamakawa Toshifumi
    Major in Electrical Engineering and Bioscience, Graduate School of Science and Engineering, Waseda University
  • Wakao Shinji
    Major in Electrical Engineering and Bioscience, Graduate School of Science and Engineering, Waseda University
  • Kondo Keiichiro
    Department of Artificial System Science, Graduate School of Technology, Chiba University
  • Yoneyama Takashi
    Railway Technical Research Institute
  • Taniguchi Shun
    Major in Electrical Engineering and Bioscience, Graduate School of Science and Engineering, Waseda University
  • Mochiduki Shinsuke
    Major in Electrical Engineering and Bioscience, Graduate School of Science and Engineering, Waseda University

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Other Title
  • 鉄道車両駆動用ＰＭＳＭにおける回転角センサレス制御時のだ行再起動
  • テツドウ シャリョウ クドウヨウ PMSM ニ オケル カイテンカク センサレス セイギョジ ノ ダコウ サイキドウ

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This paper investigates starting procedure of rotation sensorless PMSM at coasting condition for railway vehicle traction. To realize the restarting, the initial rotor position and speed at restart are needed. The existing estimation algorithm of the initial position and speed can't be applied to railway vehicle traction because of the higher speed range and the longer current period. We propose novel estimation method of the initial speed. The estimation method is verified experimentally to ensure that it is feasible enough to be applied to the railway vehicle traction system.

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