Analysis of magnetization of magnet in the rotor of line start permanent magnet motor
- Authors
- Lee, CK; Kwon, BI; Kim, BT; Woo, KI; Han, MG
- Issue Date
- May-2003
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- line start permanent magnet motor (LSPM); magnetization vector; magnetizing fixture; Preisach model
- Citation
- IEEE TRANSACTIONS ON MAGNETICS, v.39, no.3, pp.1499 - 1502
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON MAGNETICS
- Volume
- 39
- Number
- 3
- Start Page
- 1499
- End Page
- 1502
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/46697
- DOI
- 10.1109/TMAG.2003.810184
- ISSN
- 0018-9464
- Abstract
- Line start permanent magnet, motor (LSPM) is an effective model I of a high-efficiency motor at a constant velocity. Post-assembly magnetization is necessary to reduce manufacture costs. The purpose of this paper is to design the magnetizing fixture and analyze the magnetization characteristics. First, the magnetizing fixture reducing the eddy current is designed. Second, the magnetization of NdFeB magnetized by the designed fixture is analyzed. The time-stepping finite-element method combined with Preisach model is used to analyze the magnetizing magnetic field intensity and to calculate the magnetization Vector. With the magnetization vector, the surface flux density and back-electromagnetic force of LSPM are calculated with a magnetization vector and compared with experiment results, which, in turn, agree well with the analysis results.
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