Optimal Design of a New Interior Permanent Magnet Motor Using a Flared-Shape Arrangement of Ferrite Magnets
- Authors
- Yoon, Keun-Young; Kwon, Byung-Il
- Issue Date
- Jul-2016
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Compressor; ferrite magnet; flared; flared-shape arrangement; interior permanent magnet (IPM) brushless dc (BLdc); permanent magnet
- Citation
- IEEE TRANSACTIONS ON MAGNETICS, v.52, no.7
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON MAGNETICS
- Volume
- 52
- Number
- 7
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/13217
- DOI
- 10.1109/TMAG.2016.2524505
- ISSN
- 0018-9464
- Abstract
- This paper proposes the optimal design of a new interior permanent magnet (IPM)-type brushless dc (BLdc) motor using low-price ferrite magnets. The new IPM motor has the structure of C-type ferrite magnets featuring a flared shape to obtain high motor performance. To maximize the flux density and minimize the torque ripple, the flared-shape rotor structure is optimized by algorithms, such as the Kriging method based on Latin hypercube sampling and a genetic algorithm. The analyses of basic and optimal designs utilize a 3-D finite-element method, and then, the validity of the optimal design is verified through fabrication of actual prototypes.
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