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

<table>Case <a href="https://static.hindawi.com/articles/aaa/volume-2012/410461/figures/#casee4">1</a>: all area rotor angles go out of step due to the fault at line 4.</table>

Abstract and Applied Analysis

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Figure 7

Figure 7: Area-Based COI-Referred Rotor Angle Index for Transient Stability Assessment and Control of Power Systems 