Table 5 Calculation of average torque, back-EMF and efficiency for HESMs with three different magnetization patterns and two different stator winding.
Winding | Magnetization pattern | Average torque (Nm) | RMS of Back-EMF (V) | Efficiency (%) |
|---|---|---|---|---|
Alternate teeth | Radial | 35.8192 | 501.5954 | 74.78 |
Alternate teeth | Parallel | 30.8155 | 369.3304 | 87.37 |
Alternate teeth | Halbach | 28.7029 | 353.3195 | 85.07 |
All-teeth | Radial | 36.4907 | 500.5447 | 76.34 |
All-teeth | Parallel | 31.4881 | 368.2850 | 89.53 |
All-teeth | Halbach | 29.3760 | 352.4210 | 87.29 |
