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 |
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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