Table 4
Identification of inertial constants of power systems with different new energy penetration.
| New energy unit serial number | Penetration rate/% | Reference value/s | Non−recursive identification results |
Recursive identification results |
||
|---|---|---|---|---|---|---|
| Identification value/s | Error/% | Identification value/s | Error/% | |||
| None | 0.00 | 4.577 | 4.626 | 1.07 | 4.833 | 5.59 |
| G09 | 13.52 | 4.375 | 4.515 | 3.18 | 4.467 | 2.10 |
| G07, G09 | 22.64 | 4.221 | 4.284 | 1.48 | 4.171 | −1.19 |
| G05, G06, G07, G09 | 41.49 | 3.865 | 3.683 | −4.70 | 3.559 | −7.93 |
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