Research Article
Operating Voltage and Frequency Regime Validation of Grid Code Requirements in South Africa
Table 1
Logged dataset one simulation results, events summary.
| Event | Time (s) | V_POC (pu) | Vmax(pu) | Vmin(pu) | V violation | F_POC (Hz) | Fmax(Hz) | Fmin(Hz) | F violation |
| 1 | 27.912 | 0.85009 | 1.2 | 0.00000 | 0 | 49.3981 | 52 | 46 | 0 | 27.913 | 0.84984 | 1.2 | 0.00000 | 0 | 49.3976 | 52 | 46 | 0 | 27.914 | 0.84961 | 1.2 | 0.00000 | 0 | 49.3971 | 52 | 46 | 0 |
| 2 | 28.071 | 0.83661 | 1.2 | 0.07305 | 0 | 49.3260 | 52 | 46 | 0 | 28.072 | 0.77745 | 1.2 | 0.07351 | 0 | 48.9393 | 52 | 46 | 0 | 28.073 | 0.77745 | 1.2 | 0.07397 | 0 | 48.9388 | 52 | 46 | 0 |
| 3 | 29.394 | 0.84988 | 1.2 | 0.68092 | 0 | 48.7102 | 52 | 47 | 0 | 29.395 | 0.85006 | 1.2 | 0.00000 | 0 | 48.7105 | 52 | 47 | 0 | 29.396 | 0.85022 | 1.2 | 0.00000 | 0 | 48.7107 | 52 | 47 | 0 |
| 4 | 30.172 | 0.85004 | 1.2 | 0.00000 | 0 | 48.7521 | 52 | 47 | 0 | 30.173 | 0.84997 | 1.2 | 0.00000 | 0 | 48.7518 | 52 | 47 | 0 | 30.174 | 0.84989 | 1.2 | 0.00000 | 0 | 48.7515 | 52 | 47 | 0 |
| 5 | 32.071 | 0.82887 | 1.1 | 0.82886 | 0 | 48.5934 | 51.5 | 47 | 0 | 32.072 | 0.68208 | 1.1 | 0.82932 | 1 | 48.7206 | 51.5 | 47 | 0 | 32.073 | 0.68211 | 1.1 | 0.82978 | 1 | 48.7207 | 51.5 | 47 | 0 |
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