Performance Comparison Between an Amorphous Metal PMSM and a Silicon Steel PMSM

Two types of surface-mounted permanent magnet synchronous machines (PMSMs) with the same physical dimensions but different stator core materials are comparatively analyzed, prototyped, and tested in this paper. In order to quantify the magnetization and loss characteristics of the stacked amorphous...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2019-06, Vol.55 (6), p.1-5
Main Authors: Tong, Wenming, Dai, Shanhong, Wu, Shengnan, Tang, Renyuan
Format: Article
Language:English
Subjects:
Amorphous metal (AM)
Core loss
Finite element method
finite-element method (FEM)
Harmonic analysis
Inductance
Inverters
Iron
Magnetic cores
Magnetism
Magnetomechanical effects
no-load iron loss
permanent magnet synchronous machine (PMSM)
Permanent magnets
Silicon steels
Stator cores
Stators
Synchronous machines
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Summary:Two types of surface-mounted permanent magnet synchronous machines (PMSMs) with the same physical dimensions but different stator core materials are comparatively analyzed, prototyped, and tested in this paper. In order to quantify the magnetization and loss characteristics of the stacked amorphous metal (AM) stator core, an experiment is conducted under different supply frequencies. Based on the data, the no-load iron losses, harmonic losses generated by the inverter-induced non-sinusoidal current harmonics, and the d -axis and q -axis inductances of two types of motors are comparatively analyzed by the finite-element method under different conditions and verified by experiments carried out on the two types of PMSM prototypes. The results illustrate that the AM PMSM has a characteristic of extremely low no-load iron losses, relative to the conventional silicon steel PMSM.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2019.2900531