Abstract
Rare earth permanent magnets (PMs) with a large energy product are generally used in the traction motors of hybrid electric vehicles. However, developing rare-earth-free motors is necessary because of problems with rare earth materials, such as increasing prices and difficulty in their supply. This paper introduces such a rare-earth-free motor: a ferrite PM axial gap motor with a coreless rotor structure. The motor structure and the results of three-dimensional finite element analysis are described in detail.
| Original language | English |
|---|---|
| Pages (from-to) | 47-54 |
| Number of pages | 8 |
| Journal | IEEJ Journal of Industry Applications |
| Volume | 3 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 2014 |
| Externally published | Yes |
Keywords
- Axial gap motor
- Coreless rotor structure
- Hybrid electric vehicles
- Rare-earth-free motors
ASJC Scopus subject areas
- Automotive Engineering
- Energy Engineering and Power Technology
- Mechanical Engineering
- Industrial and Manufacturing Engineering
- Electrical and Electronic Engineering
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Cite this
Chiba, K., Chino, S., Takemoto, M., & Ogasawara, S. (2014). Fundamental analysis of a ferrite permanent magnet axial gap motor with coreless rotor structure. IEEJ Journal of Industry Applications, 3(1), 47-54. https://doi.org/10.1541/ieejjia.3.47