A Sequential Generation Redispatch Algorithm to Ensure Power System Small Signal Stability under Low-Frequency Oscillations

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">Generation cost ($/h)</td><td class="align_center">Damping ratio (%)</td><td class="align_center">Critical eigenvalue</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">BCO</td><td class="align_center">51384</td><td class="align_center">−12.2</td><td class="align_center">0.301 ± 2.429i</td></tr><tr><td class="align_left" colspan="4"><hr/></td></tr><tr><td class="align_left" rowspan="2">SSO</td><td class="align_center">51761</td><td class="align_center">Stability boundary</td><td class="align_center">0</td></tr><tr><td class="align_center">—</td><td class="align_center">Positive DR</td><td class="align_center">Failed</td></tr><tr><td class="align_left" colspan="4"><hr/></td></tr><tr><td class="align_left" rowspan="2">PSM</td><td class="align_center">51674</td><td class="align_center">Stability boundary</td><td class="align_center">0</td></tr><tr><td class="align_center">52308</td><td class="align_center">3</td><td class="align_center">−0.225 ± 7.560i</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparing performance of three methods in the IEEE 39-bus system.</div>

International Transactions on Electrical Energy Systems

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Table 3: A Sequential Generation Redispatch Algorithm to Ensure Power System Small Signal Stability under Low-Frequency Oscillations 