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Design Process of Post-Assembly 3-Times Magnetizer for 10-Poles of Flux Concentrated Rotor Considering Eddy Current Effectopen access
- Authors
- Kwon, S.; Lee, B.; Kim, Kyu-Seob; Jung, J.
- Issue Date
- Mar-2023
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- Demagnetization; Eddy currents; Eddy currents; Ferrite Magnet Flux concentrated rotor; Magnetic circuits; Magnetic cores; Magnetic flux; Magnetization; Magnetization; Permanent magnet motors; Rotors
- Citation
- IEEE Access, v.11, pp 34476 - 34485
- Pages
- 10
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE Access
- Volume
- 11
- Start Page
- 34476
- End Page
- 34485
- ISSN
- 2169-3536
- Abstract
- The post-assembly magnetizer for flux concentrated rotor of permanent magnet synchronous motor is dealt with in this paper. The design process of a magnetizer that is able to fully magnetize the permanent magnet (PM) inserted rotor core assembly within 3-times is discussed. The number of turns of the Main-pole winding and the Inter-pole winding was determined to maximize the magnetization ratio in each magnetization stage. At the same time, demagnetization characteristic is also examined. When the magnetizer is designed, the number of turns of winding is determined considering the eddy current generated in the core. The magnetization ratio of the PM considering the eddy current effect is compared with the magnetization ratio of the designed magnetizer when the eddy current effect is ignored. Finally, the properties of the finally designed magnetizer are verified through fabricated magnetizer and experiments. Author
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