Research Article
Comparison of PMAC Machines for Starter-Generator Application in a Series Hybrid-Electric Bus
Table 9
Summary of losses for the two machines.
| Parameter | Analytical | Simulated |
| SPP = 1/2 | Speed (RPM) | 6000 | 6000 | Power factor | 0.97 | 0.97 | (pu) | 2.2 | 2.0 | | 168 | 211 | | 131 | 156 | | 95 | 130 | | 394 | 471 | Efficiency (%) | 93 | 92 |
| SPP = 2/7 | Speed (RPM) | 6000 | 6000 | Power factor | 0.97 | 0.97 | (pu) | 1.4 | 1.3 | (W) | 182 | 230 | (W) | 107 | 139 | [W] | 132 | 142 | (W) | 391 | 511 | Efficiency (%) | 94 | 91 |
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