Table 2 Summarized results
Controller | Nadir (Hz) | ROCOF (Hz/s) | ITAE (Hz.s2) | Restoration time (s) | HESS energy (MJ) | |
|---|---|---|---|---|---|---|
Load increment | CP-VSG | 49.868 | 0.2599 | 2.3933 | 4.2 | 0.37 |
BB-AH-VSG | 49.917 | 0.1574 | 2.5339 | 6.5 | 0.85 | |
OBB-AHD-VSG | 49.921 | 0.1167 | 2.4538 | 4.4 | 0.69 | |
Load decrement | CP-VSG | 50.133 | 0.2592 | 2.3979 | 4.2 | − 0.5 |
BB-AH-VSG | 50.089 | 0.1581 | 2.5243 | 6.8 | − 1 | |
OBB-AHD-VSG | 50.087 | 0.1162 | 2.4676 | 4.5 | − 0.8 | |
Solar decrement | CP-VSG | 49.911 | 0.1731 | 1.5721 | 3.7 | 0.23 |
BB-AH-VSG | 49.927 | 0.1033 | 1.6339 | 5.7 | 0.54 | |
OBB-AHD-VSG | 49.931 | 0.0773 | 1.5870 | 3.99 | 0.44 | |
Solar increment | CP-VSG | 50.090 | 0.1739 | 1.5744 | 3.7 | − 0.3 |
BB-AH-VSG | 50.072 | 0.1028 | 1.6648 | 5.8 | − 0.7 | |
OBB-AHD-VSG | 50.070 | 0.0773 | 1.5913 | 4.0 | − 0.6 | |
PVG disconnecting | CP-VSG | 49.568 | 0.8432 | 7.5091 | 5.60 | 1.29 |
BB-AH-VSG | 49.734 | 0.5098 | 8.1568 | 9.2 | 2.81 | |
OBB-AHD-VSG | 49.800 | 0.3777 | 7.8742 | 5.55 | 2.24 | |
PVG connecting | CP-VSG | 50.396 | 0.7668 | 6.8500 | 5.54 | − 1.3 |
BB-AH-VSG | 50.243 | 0.4608 | 7.2996 | 9.0 | − 2.7 | |
OBB-AHD-VSG | 50.186 | 0.3463 | 7.1539 | 5.36 | − 2.1 |