Research Article
Fault Diagnosis System of Induction Motors Based on Multiscale Entropy and Support Vector Machine with Mutual Information Algorithm
Table 3
A description of the faulty induction motors.
| | Fault condition | Fault description | Others |
| | Unbalance rotor (MUN) | Unbalance mass on the rotor: 8.4 g | | | Broken rotor bar (BRB) | Number of broken bars: 12 | Total number of 34 bars | | Faulty bearing (FBO) | Spall on the outer race | NSK-6203 | | Bowed rotor (BR) | Rotor deflection: 0.075 mm | Air gap: 0.25 mm | | Eccentricity (AMIS) | Angular misalignments | Adjusting the bearing pedestal | | Eccentricity (PMIS) | Parallel misalignments | Adjusting the bearing pedestal | | Phase unbalance (PUN) | Adding windings on one of the phases | Using the normal motor |
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