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Table 6 Estimates of local mode 1, local mode 5, and inter-area mode

From: Improvements for electromechanical oscillation mode estimation via subspace identification methods

Mode

Frequency (Hz)

Damping ratio (%)

 

Estimated

Reference

RMSE

Estimated

Reference

RMSE

Local mode 1

1.042

1.021

0.023

4.74

5.31

1.70

Local mode 5

1.181

1.134

0.048

7.82

7.92

1.48

Inter-area mode

0.631

0.636

0.009

3.82

3.98

1.45