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A Practical Power System Stabilizer Tuning Method and its Verification in Field Test
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 Title & Authors
A Practical Power System Stabilizer Tuning Method and its Verification in Field Test
Shin, Jeong-Hoon; Nam, Su-Chul; Lee, Jae-Gul; Baek, Seung-Mook; Choy, Young-Do; Kim, Tae-Kyun;
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This paper deals with parameter tuning of the Power System Stabilizer (PSS) for 612 MVA thermal power plants in the KEPCO system and its validation in a field test. In this paper, the selection of parameters, such as lead-lag time constants for phase compensation and system gain, is optimized using linear and eigenvalue analyses. This is then verified through the time-domain transient stability analysis. In the next step, the performance of PSS is finally verified by the generator`s on-line field test. After the field test, measured and simulated data are also compared to prove the effectiveness of the models used in the simulations.
Power system stabilizer;Phase compensation;Gain tuning;Field test;AVR step;Gain margin test;
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