Effect of material properties on motor iron loss in PM brushless DC motor

Author

Toda, Hiroaki ; Senda, Kunihiro ; Ishida, Masayoshi

Author_Institution

Steel Res. Lab., JFE Steel Corp., Okayama, Japan

Volume

41

Issue

10

fYear

2005

Firstpage

3937

Lastpage

3939

Abstract

The influence of material magnetic properties on the motor iron loss of a permanent magnet brushless dc motor has been studied using various non-oriented electrical steel sheets as stator lamination material. The motor iron loss has a strong correlation with the high-frequency material iron loss W₁₀400/ (iron loss at 1.0 T, 400 Hz), although the synchronous frequency is about 100 Hz. It is shown that the armature magnetomotive force causes strong pulses on the fundamental electromotive force waveform and that these pulses have a large effect on the motor iron loss.

Keywords

brushless DC motors; eddy current losses; laminations; permanent magnet motors; stators; 400 Hz; armature magnetomotive force; electrical steel sheets; electromotive force waveform; high-frequency material iron; material magnetic properties; motor iron loss; permanent magnet brushless dc motor; stator lamination material; Brushless DC motors; Brushless motors; Building materials; DC motors; Iron; Magnetic materials; Material properties; Permanent magnet motors; Sheet materials; Synchronous motors; Brushless dc motor; iron loss; lamination material; non-oriented electrical steel; permanent magnet (PM) motor;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/TMAG.2005.854977

Filename

1519494