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Innovative current sensing for brushless DC drives

  • R. C. Kavanagh
  • , J. M.D. Murphy
  • , M. G. Egan

Research output: Contribution to journalArticlepeer-review

Abstract

The brushless DC motor with trapezoidal torque/angle characteristic has enjoyed widespread use in recent years as a component of high performance servodrives. Such machines typically include high permeability permanent magnets on the rotor and a 3-phase, star-connected stator winding, which derives its power from a standard 3-phase pulse width modulated (PWM) inverter. A method of deriving a motor current signal with a 3-phase inverter is described.

Original languageEnglish
Pages (from-to)354-357
Number of pages4
JournalIEE Conference Publication
Issue number291
Publication statusPublished - 1988
EventThird International Conference on Power Electronics and Variable-Speed Drives - London, Engl
Duration: 13 Jul 198815 Jul 1988

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