Open Access
Table 2
Main characteristics of the designed machines.
| Configuration | 36-24 | 24-16 | 18-16 | 18-12 |
|---|---|---|---|---|
| Outer diameter (mm) | 245 | 245 | 245 | 245 |
| λ (Din/Dout) | 0.57 | 0.57 | 0.57 | 0.57 |
| Number of slots | 36 | 24 | 18 | 18 |
| Number of poles | 24 | 16 | 16 | 12 |
| Air gap (mm) | 1 | 1 | 1 | 1 |
| Magnet thickness (mm) | 10 | 10 | 10 | 10 |
| Magnet fill factor (%) | 0.67 | 0.67 | 0.67 | 0.67 |
| Number of parallel coils | 3 | 2 | 1 | 3 |
| Number of turns per winding | 27 | 13 | 9 | 27 |
| Slot fill factor (%) | 51 | 51 | 51 | 51 |
| Current density (A/mm2) | 21 | 21 | 21 | 21 |
| Maximum current (Arms) | 495 | 495 | 495 | 495 |
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