Research Article

Stepped Fault Line Selection Method Based on Spectral Kurtosis and Relative Energy Entropy of Small Current to Ground System

Table 10

SK relative energy entropy with incipient faults.

Fault line / SK relative energy entropy Entropy multiple Results
S1 S2 S3 S4

Cable line S411.10210.66234.72525.64181.66 < 2S4
500.38720.36023.50474.14381.07 < 2