Research Article
Stepped Fault Line Selection Method Based on Spectral Kurtosis and Relative Energy Entropy of Small Current to Ground System
Table 11
Wavelet relative energy entropy.
| | Fault line | | / | Wavelet relative energy entropy | Entropy multiple | Results | Right? | |
S1 |
S2 |
S3 |
S4 |
| | Overhead line S2 | 0° | 20 | 2.1015 | 2.4464 | 2.6801 | 4.1830 | 1.16 < 2 | S4 | N | | 200 | 1.2593 | 2.1661 | 3.6776 | 3.3619 | 1.72 < 2 | S3 | N | | 150° | 20 | 2.1669 | 2.5476 | 2.5867 | 4.4014 | 1.18 < 2 | S4 | N | | 200 | 1.1975 | 1.9841 | 3.6561 | 3.6506 | 1.66 < 2 | S3 | N |
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