Table 9 Percentage error in estimating dominant modes at different levels of SNR for the modified CIGRE MV benchmark.
From: A kurtosis-ESPRIT algorithm for RealTime stability assessment in droop controlled microgrids
mp× 10− 7 | SNR | System modes | Estimated modes | % Error Real | % Error Imag | Kurtosis measure |
|---|---|---|---|---|---|---|
0.3 | Noise-free | −14.73 ± 31.15i | −14.4 ± 29.85i | 2.24 | 4.17 | 9.357 |
40 | −14.401 ± 28.71i | 2.23 | 7.833 | 7.26 | ||
30 | −13.84 ± 28.962i | 6.04 | 7.02 | 4.699 | ||
25 | −11.96 ± 25.914i | 18.8 | 16.8 | 3.0397 |
