Journal of the Korean Physical Society

Korean Physical Society (한국물리학회)
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Performance Analysis of a PM Motor by Changing the Magnitude and the Path of Flux

  • Lee, Hyung-Woo (Korea Railroad Research Institute) ;
  • Lee, Ki-Doek (Department of Electrical Engineering, Hanyang University) ;
  • Kim, Mi-Jung (Department of Electrical Engineering, Hanyang University) ;
  • Lee, Jae-Jun (Department of Electrical Engineering, Hanyang University) ;
  • Han, Jung-Ho (Department of Electrical Engineering, Hanyang University) ;
  • Jeong, Tae-Chul (Department of Electrical Engineering, Hanyang University) ;
  • Lee, Ho-Joon (Department of Electrical Engineering, Hanyang University) ;
  • Ryu, Gwang-Hyeon (Department of Electrical Engineering, Hanyang University) ;
  • Park, Hyun-Jong (Department of Electrical Engineering, Hanyang University) ;
  • Lee, Ju (Department of Electrical Engineering, Hanyang University)
  • Published : 2013.01.15
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Abstract

In an electric motor in which permanent magnets are used, the magnetic flux is caused by the magneto-motive force of the permanent magnets of the rotor and the stator winding wire, and the performance of the electric motor is determined by the scale of the magnetic flux and the magnetic circuit. This thesis is aimed at introducing electric motors in which permanent magnets are used and focuses on a performance analysis of said electric motors according to the scale of the magnetic flux and changes in the magnetic circuit. The analysis was carried out by separating the magnetic flux occurring at the stator winding wire into the magnetic flux of axis d and that of q axis, so that the impact of the magnetic flux on the performance of the electric motor could be analyzed. In addition, the impact of changes in the magnetic circuit, which were caused by the magnetic flux at the permanent magnet of the rotator, on the electric motor was analyzed. Finally, the results of the analysis were verified by performing experiments on a model made by using selected analysis results.

Keywords

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