Research Article
Stepped Fault Line Selection Method Based on Spectral Kurtosis and Relative Energy Entropy of Small Current to Ground System
Table 7
SK relative energy entropy with different fault distances (
,
).
| Fault line | SK relative energy entropy | Entropy multiple | Results |
S1 |
S2 |
S3 |
S4 |
| Overhead line S1 | 2.7267 | 1.2616 | 2.1665 | 2.8215 | 2.16 > 2 | S1 | Cable line S4 | 1.6140 | 1.1455 | 3.9845 | 4.3558 | 1.41 < 2 | S4 |
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