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This work describes practical tuning methods and testing of a dual-input prototype PSS, which uses both frequency and power, with the 343 MVA Muju P/P #2 in the KEPCO system to enhance the damping of both local and inter-area modes. A Bode plot was drawn to tune the PSS's time constants to compensate for phase lag. In addition, eigenvalue analysis was used to determine a reliable PSS gain, Ks, and...
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