Research Article
Comparative Study of Popular Objective Functions for Damping Power System Oscillations in Multimachine System
Table 2
Best optimized parameters for each objective function using DSA.
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Objective functions | | | | | |
| | PSS1 | 5.1903 | 1.1099 | 0.2358 | 1.6706 | 1.3299 | PSS2 | 7.2073 | 1.1549 | 1.2313 | 0.7452 | 1.5635 | PSS3 | 6.3461 | 0.8985 | 0.5746 | 0.8453 | 0.3337 | PSS4 | 10.7097 | 0.0906 | 0.7335 | 1.4030 | 1.6083 |
| | PSS1 | 5.0422 | 0.9573 | 1.8312 | 1.6562 | 0.2857 | PSS2 | 29.3894 | 0.2130 | 1.7013 | 0.0165 | 1.9849 | PSS3 | 21.8602 | 0.2569 | 0.1395 | 1.3798 | 1.1226 | PSS4 | 25.9223 | 0.0634 | 1.7467 | 0.9554 | 0.8587 |
| | PSS1 | 15.0137 | 1.3111 | 1.0455 | 0.4944 | 0.0597 | PSS2 | 40.2497 | 0.2833 | 1.8740 | 0.5664 | 1.9577 | PSS3 | 31.1375 | 0.7925 | 0.9937 | 0.1303 | 0.0108 | PSS4 | 22.8605 | 0.2659 | 1.6025 | 1.0201 | 1.6150 |
| | PSS1 | 25.5890 | 1.3868 | 0.9446 | 0.0788 | 0.7359 | PSS2 | 3.10292 | 0.7043 | 0.7753 | 1.3975 | 0.1023 | PSS3 | 12.5965 | 0.0191 | 0.5753 | 1.1611 | 0.4992 | PSS4 | 16.5014 | 0.6357 | 0.3429 | 1.0108 | 0.9893 |
| | PSS1 | 33.794 | 0.0411 | 1.9849 | 0.7937 | 1.1574 | PSS2 | 31.8907 | 0.3248 | 0.0561 | 0.3886 | 1.8845 | PSS3 | 28.9673 | 1.1705 | 0.7381 | 0.1170 | 0.0134 | PSS4 | 35.8091 | 1.1773 | 0.8512 | 0.0769 | 0.6321 |
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