Area-Based COI-Referred Rotor Angle Index for Transient Stability Assessment and Control of Power Systems

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td align="left">Percentage of rated frequency at full load (%)</td><td align="center">Maximum permissible time (minutes)</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left">99.0</td><td align="center">Continuous</td></tr><tr><td align="left">97.3</td><td align="center">90</td></tr><tr><td align="left">97.0</td><td align="center">10</td></tr><tr><td align="left">96.0</td><td align="center">1</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Typical time limits for the operation of generators at frequencies below their rated frequency.

Abstract and Applied Analysis

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Table 1

Table 1: Area-Based COI-Referred Rotor Angle Index for Transient Stability Assessment and Control of Power Systems 