Research Article
Fusion of Vibration and Current Signatures for the Fault Diagnosis of Induction Machines
Table 2
Parameters of the experiment.
| | No. | VFD (Hz) | Rotation speed (Hz) | Resistance (%) | Failure mode | Current characteristic frequency (Hz) | Vibration characteristic frequency (Hz) |
| | 1 | 55 | 26.97 | 50 | Normal | 55 | 26.97 | | 2 | 55 | 26.97 | 50 | Broken rotor bar | 57.13 | N/A | | 3 | 55 | 26.97 | 50 | Misalignment | 82.5 | N/A | | 4 | 55 | 26.97 | 50 | Inner ring fault | 188.3 | 133.3 | | 5 | 55 | 26.97 | 50 | Outer ring fault | 137.43 | 82.43 |
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