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Journal of Electronic Materials

, Volume 48, Issue 3, pp 1368–1374 | Cite as

Design Strategy of Magnetizer for Post-Assembly Magnetization of Spoke-Type Ferrite Magnet Motor

  • Hyun-Soo Seol
  • Jun-Young Kim
  • Huai-Cong Liu
  • Dong-Woo Kang
  • Ju LeeEmail author
5th International Conference of Asian Union of Magnetics Societies
  • 11 Downloads
Part of the following topical collections:
  1. 5th International Conference of Asian Union of Magnetics Societies (IcAUMS)

Abstract

Permanent magnets should receive external magnetic field energy for magnetization. It is a magnetizer that enables magnetization. The performance of magnets is determined by magnetization, and reaching 100% magnetization is very difficult. In this paper, a 3-times magnetizer was used for magnetization of a spoke-type ferrite magnet motor. The size of the permanent magnets and magnetizer winding must be designed appropriately to reach a high magnetization ratio. These parameters are determined using transient analysis, but this technique requires a significant amount of time. Magneto-static field analysis was used in this study with the goal of solving this problem. By using this method, the analysis time was reduced and a strategy for deriving a final model was proposed. The final model was designed using the proposed strategy and the model was manufactured. Finally, the performance of the 3-times magnetizer was confirmed by measuring the magnetization ratio of the magnets, and the proposed design strategy was verified through testing.

Keywords

Permanent magnet magnetization spoke-type PMSM post-assembly magnetization 

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Notes

Acknowledgments

This work was supported by the Human Resources Program in Energy Technology of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) who granted financial resources from the Ministry of Trade, Industry & Energy, Republic of Korea (Nos. 20174030201750 and 20162020107830).

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Copyright information

© The Minerals, Metals & Materials Society 2018

Authors and Affiliations

  1. 1.Department of Electrical EngineeringHanyang UniversitySeoulKorea
  2. 2.Department of Electrical Energy EngineeringKeimyung UniversityDaeguKorea

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