Influence of Sintered Nd-Fe-B Magnet Corrosion on Permanent Magnet Synchronous Motor Performance

Ertugrul B. T. , Sincar E., Demir Y., Aydin M.

39th Annual Conference of the IEEE Industrial-Electronics-Society (IECON), Vienna, Avusturya, 10 - 14 Kasım 2013, ss.2935-2940 identifier identifier

  • Cilt numarası:
  • Doi Numarası: 10.1109/iecon.2013.6699597
  • Basıldığı Şehir: Vienna
  • Basıldığı Ülke: Avusturya
  • Sayfa Sayıları: ss.2935-2940


Permanent magnet (PM) synchronous motors have found numerous applications over the last two decades due to their high torque to weight ratio and efficiency. However, one of the main drawbacks of the PM motors is the magnet corrosion. This paper investigates the influence of magnet corrosion on the performance of surface mounted permanent magnet motors. Uncorroded and corroded magnet rotors are used to investigate the motor performance including voltage and torque constants. It has been found out that the corroded rotor does not degrade the motor performance even after the intense corrosion tests if good quality NdFeB magnets are used.