Research Article
Power Transformer Partial Discharge Fault Diagnosis Based on Multidimensional Feature Region
Table 2
The contrast analysis.
| Fault types | Fault classification accuracy (%) | PCA-SVM | Wavelet-SVM | The approach proposed in this paper |
| Surface discharge | 88.7 | 95.9 | 97.8 | Electrode tip discharge | 88.1 | 97.1 | 95.3 | Insulation internal defect | 90 | 94.2 | 96.1 |
|
|