Experimental Research and Numerical Simulation of Single Soil-Arc-Grounding-Fault in Distribution Networks

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Transformer capacity (SN)</td><td class="align_center">75 MVA</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Winding 1# line to line voltage</td><td class="align_center">230 kV</td></tr><tr><td class="align_left">Winding 2# line to line voltage</td><td class="align_center">10.5 kV</td></tr><tr><td class="align_left">No load losses (P0)</td><td class="align_center">108.1 kW</td></tr><tr><td class="align_left">Copper losses (Pk)</td><td class="align_center">155.4 kW</td></tr><tr><td class="align_left">Positive sequence leakage reactance (I0%)</td><td class="align_center">0.41%</td></tr><tr><td class="align_left">Short circuit impedance percentage (Uk%)</td><td class="align_center">23.9%</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Parameters of the transformer.</div>

Wireless Communications and Mobile Computing

tab4

Table 4

Table 4: Experimental Research and Numerical Simulation of Single Soil-Arc-Grounding-Fault in Distribution Networks 