Research Article
Introducing MRAC-PSS-VI to Increase Small-Signal Stability of the Power System after Wind Power Integration
Table 2
The eigenvalues of the system.
| | Mode | Without the DFIG | With the DFIG | Dominant states | | λ | f/Hz | ξ (%) | λ | f/Hz | ξ (%) |
| | 1 | −0.651 ± j6.547 | 1.042 | 9.898 | −0.651 ± j6.547 | 1.042 | 9.897 | G1, G2 | | 2 | −0.619 ± j6.392 | 1.017 | 9.645 | −0.620 ± j6.393 | 1.017 | 9.658 | G3, G4 | | 3 | −0.299 ± j3.135 | 0.499 | 9.526 | −0.300 ± j3.135 | 0.499 | 9.532 | G1–G4 | | 4 | — | — | — | −0.513 ± j3.059 | 0.487 | 16.539 | G1–G4, DFIG |
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