Research Article
Fault Identification of UHVDC Transmission Based on DF-AD and Ensemble Learning
Table 12
The running time of DWT (one approximation signal and eight detail signals).
| DWT | Without noise (s) | 20 dB (s) | 30 dB (s) |
| f1 | 0.13 | 0.12 | 0.13 | f2 | 0.13 | 0.13 | 0.12 | f3 | 0.13 | 0.12 | 0.12 | f4 | 0.12 | 0.12 | 0.12 | f5 | 0.11 | 0.11 | 0.11 | f6 | 0.12 | 0.12 | 0.12 | f7 | 0.12 | 0.13 | 0.20 |
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