Progress in Superconductivity and Cryogenics (한국초전도ㆍ저온공학회논문지)

The Korean Society of Superconductivity and Cryogenics (한국초전도저온학회)
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Test results of a 5 kW fully superconducting homopolar motor

  • Lee, J.K. (Woosuk University) ;
  • Park, S.H. (Korea Polytechnic University) ;
  • Kim, Y. (Korea Polytechnic University) ;
  • Lee, S. (Korea Polytechnic University) ;
  • Joo, H.G. (Korea Polytechnic University) ;
  • Kim, W.S. (Korea Polytechnic University) ;
  • Choi, K. (Korea Polytechnic University) ;
  • Hahn, S.Y. (Electrical Engineering and Science Research Institute)
  • Received : 2013.02.15
  • Accepted : 2013.03.18
  • Published : 2013.03.31
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Abstract

The superconducting Homopolar motor is manufactured and tested. Homopolar motor system is simple and solid as the field coil of the motor is fixed near the stator coil without rotating system. In this paper, a 5 kW fully superconducting homopolar motor which has high temperature superconducting armature and field coils is manufactured and tested in liquid nitrogen. The critical current test results of the used 2G superconducting wire, pancake coil for rotor winding and race-track coils for armature winding are reported. Also, the test result of rotating and operating performance is presented. The operating frequency is to be 5 Hz for low-speed rotating. The developed fully superconducting Homopolar motor is the world's first.

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References

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