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

Table 3

Electromechanical mode for Case B (wind farm connected to bus 20 and no controllers).

Number	Type of mode	Mean mode	Damping ratio ()		Frequency ()
			Mean	SD	Mean	SD
9 and 10	Area 1 local		0.065	0.007	1.177	0.0015
21 and 22	Interarea		−0.015	0.0029	0.639
27 and 28	Area 2 local		0.076	2.84 * 10^4	1.164	0.0016