Practical implementation of the bridge configured winding for producing controllable transverse forces in electrical machines

  • Khoo W
  • Kalita K
  • Garvey S
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Abstract

It is now evident that the value of endowing rotating machines with the capability to produce transverse forces in addition to their normal torque-producing function can be extremely high. The bridge configured winding is a cost-saving connection scheme for electrical machines to exploit transverse magnetic forces on the rotors. The winding scheme retains the machine's three-phase terminals such that ordinary motor inverters can be employed for the normal torque-producing function while providing separate terminals for transverse force action. This paper describes the practical implementation of such a winding connection in a conventional electric machine and demonstrates that controllable transverse forces can be produced.

Author-supplied keywords

  • Bridge configured winding
  • magnetic bearing
  • self-bearing electrical machines

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Authors

  • W. K S Khoo

  • K. Kalita

  • S. D. Garvey

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