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

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="410461.fig.0015a" src="https://static.hindawi.com/articles/aaa/volume-2012/410461/figures/410461.fig.0015a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>UFLS scheme</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="410461.fig.0015b" src="https://static.hindawi.com/articles/aaa/volume-2012/410461/figures/410461.fig.0015b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Combined UFLS with generator tripping scheme</td></tr></table></td></tr></table>

<table>The system remains stable when both schemes are applied.</table>

Abstract and Applied Analysis

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Figure 15

Figure 15: Area-Based COI-Referred Rotor Angle Index for Transient Stability Assessment and Control of Power Systems 