Parameters | Scenarios | ||||||
---|---|---|---|---|---|---|---|
Bulk PV station and SG with AVR | PDC and AVR | PDC and PSS | |||||
Status | Unstable | Stable | Stable | ||||
Optimizer | Â | PO | EO | I-GWO | PO | I-GWO | EO |
 |  | Settling time |  |  |  |  |  |
\(\Delta \omega_{r}\)(s) | Â | 2.5 | 2.5 | 2.8 | 2.4 | 2.4 | 2.4 |
\(\Delta T_{e}\)(s) | Â | 2.2 | 2.2 | 2.2 | 1.7 | 1.7 | 1.7 |
\(\Delta I_{ds2}\)(s) | Â | 2.8 | 2.8 | 2.9 | 3.0 | 3.0 | 3.0 |
\(\Delta T_{e}\) | Â | Overshooting | Â | Â | Â | Â | Â |
 |  | 13.8% | 15.69% | 23.36% | 4.1% | 5.6% | 8.8% |
Damping ratio | Â | 0.2424 | 0.2337 | 0.2192 | 0.376 | 0.355 | 0.318 |