System Simulation and Implementation of SIPS in Taiwan

Table 3

Small-signal stability comparison for normal and N-3 contingency.

STN transfer; (MW)	System conditions
	Normal		N-3
	Damped; frequency; (Hz)	Damping ratio; (%)	Damped; frequency; (Hz)	Damping ratio; (%)
3800	1.2005	5.01	1.2043	3.75
3900	1.2012	5.00	1.2053	3.60
4000	1.2003	4.84	1.2063	3.40
4100	1.2004	4.68	1.2072	3.20
4200	1.1998	4.41	1.2071	3.06
4300	1.1985	4.30	1.2076	2.97
4400	1.1984	4.28	1.2082	2.92