Research Article
Stepped Fault Line Selection Method Based on Spectral Kurtosis and Relative Energy Entropy of Small Current to Ground System
Table 5
SK relative energy entropy with S2 fault.
| | Fault line | | / | SK relative energy entropy | Entropy multiple | Results | | S1 |
S2 |
S3 |
S4 |
| | Overhead line S2 | 0° | 20 | 0.5324 | 3.9787 | 1.8911 | 2.4950 | 7.47 > 2 | S2 | | 200 | 1.1521 | 4.4164 | 3.5851 | 3.2250 | 3.83 > 2 | S2 | | 150° | 20 | 0.5761 | 2.9607 | 2.2864 | 2.2134 | 5.14 > 2 | S2 | | 200 | 2.9918 | 7.0234 | 7.8605 | 5.0687 | 2.35 > 2 | S2 |
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