Investigation of SSR Characteristics of Hybrid Series Compensated Power System with SSSC

Table 1

Eigen values of the combined system.

Torsional mode	Eigenvalue
	Without SSSC	With SSSC
0	−1.7366±𝑗 8.9279	−1.2987±𝑗 8.1094
1	−0.2143±𝑗 99.4580	−0.2132±𝑗 99.135
2	0.6658±𝑗 127.000	−0.0695±𝑗 127.050
3	−0.6459±𝑗 160.420	−0.6438±𝑗 160.210
4	−0.3646±𝑗 202.820	−0.3694±𝑗 202.800
5	−1.8504±𝑗 298.170	−1.8504±𝑗 298.170
Network mode	−1.9029±𝑗 126.950	−1.4918±𝑗 149.980
Network mode	−2.9906±𝑗 626.790	−2.4803±𝑗582.980