Performance Analysis of Double-Sided Permanent Magnet Linear Synchronous Motor With Quasi-Sinusoidal Ring Windings

With the development of high performance processing system, high precision Permanent Magnet Linear Synchronous Motor (PMLSM) has been the focus of research. This paper provides a novel double-sided PMLSM with quasi- sinusoidal ring windings, to reduce the thrust ripple while keep the average thrust...

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Bibliographic Details
Published in:IEEE transactions on energy conversion 2020-09, Vol.35 (3), p.1465-1474
Main Authors: Zhang, Zijiao, Luo, Meizhu, Duan, Ji-an, Kou, Baoquan
Format: Article
Language:English
Subjects:
average thrust
Coils (windings)
Electromagnetic forces
Finite element method
Harmonic analysis
Industrial applications
Iron
linear motor
Magnetic cores
Magnetic fields
Permanent magnet motors
permanent magnet synchronous motor
Permanent magnets
Ring windings
Rings (mathematics)
Structural rings
Synchronous motors
Thrust
thrust ripple
Topology
Winding
Windings
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Summary:With the development of high performance processing system, high precision Permanent Magnet Linear Synchronous Motor (PMLSM) has been the focus of research. This paper provides a novel double-sided PMLSM with quasi- sinusoidal ring windings, to reduce the thrust ripple while keep the average thrust at a suitable value. Firstly, the distributions of the magnetic fields in this motor are analyzed, the low-order harmonics of armature magnetic field induced by the quasi- sinusoidal ring windings are studied, by equivalent magnetizing current (EMC) method. The winding factor and the Back Electromagnetic Force of this PMLSM are analyzed theoretically and verified by finite-element (FEM) method, based on the specific structure of quasi-sinusoidal ring windings. Furthermore, the electromagnetic thrust analysis is provided, which is aimed at the influence of the novel winding structure. Finally, a prototype of the double-sided PMLSM with quasi-sinusoidal ring windings is manufactured to verify the effectiveness of the topology proposed in this research. The presented results show that this novel motor can provide a great thrust property, it has a potential in high performance industry applications.
ISSN:0885-8969
1558-0059
DOI:10.1109/TEC.2020.2981634