Performance evaluation of a five-phase modular winding induction machine

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Abstract

Fractional slot concentrated windings (FSCWs), or modular windings, have shown promise with permanent magnet machines. However, their inability to produce high quality travelling fields has limited their application from spreading to induction machines. This paper presents the design considerations and tradeoffs involved in applying FSCWs to five-phase induction machines using the conventional three-phase lap wound machine as a reference. Previous work has touched upon the application of modular windings to three-phase induction machines, concluding that a conventional distributed winding is superior in terms of torque production and rotor bar losses. In applications such as high frequency induction machines and manually wound electrical submersible pump motors, the proposed machine topology provides advantages that may warrant its application despite an apparent power density penalty. In this paper, a prototype five-phase modular winding induction machine designed to significantly reduce the effect of space harmonics is investigated through simulations and experimentally.

Original languageEnglish
Article number5977022
Pages (from-to)2654-2669
Number of pages16
JournalIEEE Transactions on Industrial Electronics
Volume59
Issue number6
DOIs
Publication statusPublished - Jun 2012

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Keywords

  • AC motor drives
  • Analytical model
  • Concentrated winding
  • Distributed winding
  • Fault tolerance
  • Finite-element method
  • Induction motor drives
  • Modular winding
  • Multiphase induction motors
  • Soft magnetic materials

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Computer Science Applications
  • Electrical and Electronic Engineering

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