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

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="726205.fig.0011a" src="https://static.hindawi.com/articles/jam/volume-2014/726205/figures/726205.fig.0011a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Subcycle</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="726205.fig.0011b" src="https://static.hindawi.com/articles/jam/volume-2014/726205/figures/726205.fig.0011b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Multicycle</td></tr></table></td></tr></table>

<table>Feeder currents of incipient faults.</table>

Journal of Applied Mathematics

fig11

Figure 11

Figure 11: Stepped Fault Line Selection Method Based on Spectral Kurtosis and Relative Energy Entropy of Small Current to Ground System 