Improved dq-Axes Model of PMSM Considering Airgap Flux Harmonics and Saturation

Muhammed Fasil, Ciprian Antaloae, Nenad Mijatovic, Bogi Bech Jensen, Joachim Holbøll

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Abstract

In this work, the classical linear model of a permanent magnet synchronous motor (PMSM) is modified by adding d and q-axes harmonic inductances so that the modified model can consider non-linearities present in an interior permanent magnet (IPM) motor. Further, a method has been presented to assess the effect of saturation and cross-saturation on constant torque curves of PMSM. Two IPM motors with two different rotor topologies and different specifications are designed to evaluate the effect of saturation on synchronous and harmonic inductances, and on operating points of the machines
Original languageEnglish
Article number5202705
JournalIEEE Transactions on Applied Superconductivity
Volume26
Issue number4
Number of pages5
ISSN1051-8223
DOIs
Publication statusPublished - 2016

Keywords

  • Interior permanent magnet machine
  • Permanent magnet synchronous machine
  • Harmonic inductances
  • Saturation
  • Field weakening

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