A New Coreless Axial Flux Interior Permanent Magnet Synchronous Motor With Sinusoidal Rotor Segments


AYDIN M., GÜLEÇ M.

IEEE TRANSACTIONS ON MAGNETICS, vol.52, no.7, 2016 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 52 Issue: 7
  • Publication Date: 2016
  • Doi Number: 10.1109/tmag.2016.2522950
  • Journal Name: IEEE TRANSACTIONS ON MAGNETICS
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Keywords: Axial flux permanent magnet (AFPM) motor, axial flux synchronous motor, axial gap motors, spoke-type motor
  • Kocaeli University Affiliated: Yes

Abstract

Axial flux permanent magnet (AFPM) motors are frequently used in many applications. Axial gap coreless motors with surface-mounted magnets are the most noteworthy ones due to their potentially higher efficiency and smaller axial length. In this paper, a new spoke-type AFPM coreless disk motor with dual rotor and single stator is proposed with sinusoidal rotor segments. This new disk-type motor is an interior PM (IPM) motor with spoke-type rotor and variable air gap to obtain sinusoidal back Electro-Motive Force waveform. It is shown that it is possible to increase the air-gap flux density in the proposed new coreless AF-IPM motor and increase the torque output compared with the conventional surface-mounted AFPM motors.