Skip to main content

Table 6 Eigen value analysis of two area system

From: Interconnected multi-machine power system stabilizer design using whale optimization algorithm

PSO

DE

WOA

−0.567 ± 0.171i

−1.10 ± 1.18i

−1.31 ± 2.18i

−1.14 ± 2.97i

− 1.16 ± 1.55i

−1.42 ± 1.36i

− 1.33 ± 1.03i

−1.59 ± 1.15i

−1.61 ± 1.53i

− 1.66 ± 1.64i

−2.17 ± 2.28i

−4.50 ± .027i

− 2.43 ± 16.0i

− 6.73 ± 2.99i

−10.4 ± 12.6i

− 2.58 ± 10.3i

− 6.59 ± 0.02i

−6.81 ± 3.04i

−2.79 ± 12.4i

− 7.00 ± 13.5i

− 11.3 ± 24.9i

− 6.38 ± 0.124i

−8.85 ± 17.7i

−13.7 ± 25.1i

− 7.61 ± 0.275i

− 11.8 ± 24.3i

−14.5 ± .556i

−8.81 ± 0.372i

− 13.3 ± 26.9i

− 4.9 ± 0.073i