Comparative Assessment of SVC and TCSC Controllers on the Small Signal Stability Margin of a Power System Incorporating Intermittent Wind Power Generation

Table 1

Oscillatory modes before wind power integration.

Number	Modes	Damping ratio ()	Frequency ()
	5 and 6			−0.236 ± 0.520	0.413	0.083
7 and 8	−0.238 ± 0.525	0.414	0.084
9 and 10	−0.249 ± 0.645	0.360	0.103
11 and 12	−0.492 ± 0.986	0.446	0.157
13 and 14	−0.800 ± 1.322	0.518	0.210
21 and 22	−0.009 ± 3.586	0.0024	0.571
25 and 26	−0.4780 ± 6.885	0.069	1.096
27 and 28	−0.488 ± 6.932	0.070	1.103
33 and 34	−8.587 ± 9.555	0.668	1.521
35 and 36	−8.605 ± 9.792	0.660	1.558
37 and 38	−8.718 ± 10.064	0.655	1.612
39 and 40	−8.722 ± 10.071	0.655	1.603