A Comparative Study of Static VAR Systems for ImprovingVoltage Stability in Expansion of Mining Projects with Gearless Motor Drives

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Names</td><td class="align_center">Power (MVA)</td><td class="align_center">Voltages (kV)</td><td class="align_center"><i>Z </i><sub>cc</sub> (%)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left"><i>T </i><sub>1</sub>, <i>T</i><sub>2</sub>, <i>T</i><sub>3</sub></td><td class="align_center">85</td><td class="align_center">220/23</td><td class="align_center">15</td></tr><tr><td class="align_left"><i>T </i><sub>4</sub></td><td class="align_center">50</td><td class="align_center">220/69</td><td class="align_center">12.5</td></tr><tr><td class="align_left">LOAD<sub>1</sub>, LOAD<sub>2</sub></td><td class="align_center">15</td><td class="align_center"> </td><td class="align_center"> </td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Transformers and load characteristics.</div>

International Transactions on Electrical Energy Systems

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Table 5

Table 5: A Comparative Study of Static VAR Systems for ImprovingVoltage Stability in Expansion of Mining Projects with Gearless Motor Drives 