Research Article
A Hybrid Method to Diagnose 3D Rotor Eccentricity Faults in Synchronous Generators Based on ALIF_PE and KFCM
Table 2
Permutation entropy of the first three IMF components.
| | Signal type | Permutation entropy | | IMF1 | IMF2 | IMF3 |
| | Normal | 4.1653 | 2.7183 | 2.6223 | | Radial eccentricity | 5.7926 | 5.0729 | 4.9135 | | Axial eccentricity | 6.0456 | 5.9557 | 5.4241 | | Mixed eccentricity | 5.8743 | 5.1811 | 4.8916 |
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