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RSS FeedsEnergies, Vol. 16, Pages 1306: Analysis and Comparison of Permanent Magnet Synchronous Motors According to Rotor Type under the Same Design Specifications (Energies)

 
 

26 january 2023 14:45:14

 
Energies, Vol. 16, Pages 1306: Analysis and Comparison of Permanent Magnet Synchronous Motors According to Rotor Type under the Same Design Specifications (Energies)
 


A surface-mounted permanent magnet synchronous motor (SPMSM) is an electric motor with a simple magnetic circuit design, fast responsiveness, linear torque–current characteristics, speed–voltage characteristics, and constant operating speed. SPMSMs use only magnetic torque; however, interior PMSMs (IPMSMs) have high power densities because they can use reluctance torque. In addition, when flux-weakening control is used, the operating range is wide compared with the SPMSM. This study presents a comparative analysis of the characteristics of SPMSM and bar-type IPMSM. Characteristic analyses are performed by setting the same stator shape, rated speed, number of turns, winding specifications, voltage limit, and magnet usage in a pole/slot combination of six poles and 27 slots. Next, we compare the no-load back electromotive force, cogging torque, and loss characteristics, and perform a characteristic analysis of each model while satisfying the design specifications. No-load and load tests are performed using a back-to-back system. The results of the analysis and experimental results are in good agreement, and the reliability of the analysis results is guaranteed. The SPMSM is approximately 8.5% superior to the IPMSM in terms of core loss, and the eddy current loss is greater than that of the IPMSM.


 
83 viewsCategory: Biophysics, Biotechnology, Physics
 
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