Table 4 Optimal values for PI parameters
Method | PO | EO | I-GWO |
|---|---|---|---|
\(K_{pf}\) | 12.2 | 11.9 | 10.5 |
\(K_{if}\) | 8.4 | 8.1 | 8.5 |
\(K_{pg}\) | 0.31 | 0.29 | 0.29 |
\(K_{ig}\) | 8.9 | 8.8 | 8.8 |
\(\lambda_{{\omega_{r} ,\theta_{r} }}\) | − 2.4072 ± j9.6329 | − 2.3141 ± j9.6283 | − 2.1039 ± j9.3658 |
\(\zeta\) | 0.2424 | 0.2337 | 0.2192 |
Status | Stable | Stable | Stable |