Postfault Control of Scalar (V/f) Controlled Asymmetrical Six-Phase Induction Machines

Ayman Abdel-Khalik, Ragi A. Hamdy, Ahmed Massoud, Shehab Ahmed

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

With the accelerated development in semiconductor power devices along with the dictated rigorous reliability standards in some industrial sectors, the application of medium-voltage high-power multiphase induction machine with multiple three-phase windings is now considered as a leading technology in high-power safety-critical applications. This paper proposes a parameter-independent postfault control scheme for asymmetrical six-phase induction machine based on simple scalar V/f control, which can successfully ensure the most common postfault scenarios used in this respect, namely, equal stator copper loss and minimum copper loss modes. Moreover, the proposed controller can effectively be used in either open-loop or closed-loop speed control modes. The proposed controller is experimentally validated using a 1.5kW prototype induction machine. The effect of the neutral arrangement on the dynamic performance is also explored.

Original languageEnglish
JournalIEEE Access
DOIs
Publication statusAccepted/In press - 1 Jan 2018

Fingerprint

Copper
Controllers
Speed control
Stators
Electric potential
Power semiconductor devices

Keywords

  • Asymmetrical six-phase
  • Copper
  • fault-tolerant
  • induction machine
  • Induction machines
  • neutral configuration
  • open phase
  • scalar control
  • Standards
  • Stator windings
  • Torque
  • Voltage control
  • Windings

ASJC Scopus subject areas

  • Computer Science(all)
  • Materials Science(all)
  • Engineering(all)

Cite this

Postfault Control of Scalar (V/f) Controlled Asymmetrical Six-Phase Induction Machines. / Abdel-Khalik, Ayman; Hamdy, Ragi A.; Massoud, Ahmed; Ahmed, Shehab.

In: IEEE Access, 01.01.2018.

Research output: Contribution to journalArticle

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