 |
|
 |
| Pros of mechanical gear |
VS |
Pros of magnetic gear |
| 1. High very high torque/mass (specific torque) |
|
1. Non-contact |
| 2. High very high efficiency |
|
1.1No lubrication |
| 3. Mature technology |
|
1.2Low maintenance |
|
|
2. Easily integrated in electric machines |
|
|
3. Potentially low vibration |
|
|
|
| Cons of mechanical gear |
VS |
Cons of magnetic gear |
| 1. Contact-related wear failure |
|
1. Unknown limits on specific torque efficiency |
| 1.1.Requires lubrication system(s) |
|
2. Magnet temperature limit |
| 1.2Routine costly maintenance |
|
3. Individual magnet interaction weaker than 1 gear tooth pair |
| 2. Strong tonal vibration cabin noise |
|
|
