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Analytical calculation of D- and Q-axis inductance for interior permanent magnet motors based on winding function theory

  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Interior permanent magnet (IPM) motors are widely used in electric vehicles (EVs), benefiting from the excellent advantages of a more rational use of energy. For further improvement of energy utilization, this paper presents an analytical method of d- and q-axis inductance calculation for IPM motors with V-shaped rotor in no-load condition. A lumped parameter magnetic circuit model (LPMCM) is adopted to investigate the saturation and nonlinearity of the bridge. Taking into account the influence of magnetic field distribution on inductance, the winding function theory (WFT) is employed to accurately calculate the armature reaction airgap magnetic field and d- and q-axis inductances. The validity of the analytical technique is verified by the finite element method (FEM).

Original languageEnglish
Article number580
JournalEnergies
Volume9
Issue number8
DOIs
StatePublished - 2016

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Armature reaction magnetic field
  • Interior permanent magnet motor
  • Lumped parameter magnetic circuit model
  • Nonlinearity
  • Saturation
  • Winding function theory
  • d- and q-axis inductances

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