Voltage Stability Assessments and Their Improvement Using Optimal Placed Static Synchronous Compensator (STATCOM)

Table 2

Values of stability indices at base case and 10% load increasing conditions.

Bus no.	Base case				Bus no.	10% loading condition				Rank
	MVSI	AVSI	FVSI	VDI		MVSI	AVSI	FVSI	VDI
6	0.1407	0.6154	0.0235	0.069	6	0.1564	0.6408	0.0359	0.06	9
19	0.8581	1.4275	0.0059	0.0018	19	0.9506	1.4844	0.0067	0.0055	5
27	0.6305	1.2553	0.0070	0.0349	27	0.7024	1.3097	0.0078	0.0235	6
35	0.3394	0.7210	0.0259	0.0303	35	0.3777	0.7521	0.0288	0.0261	8
108	0.4171	1.1747	0.0235	0.0012	108	0.4648	1.2091	0.0067	0.0015	7
162	8.2253	14.2333	0.0060	0.0276	162	9.2340	15.0947	0.0884	0.031	1
202	1.7202	8.1578	0.0792	0.0463	202	1.9071	8.4844	0.1491	0.05	2
207	1.3101	2.7866	0.1341	0.0069	207	1.4463	2.8792	0.1465	0.0008	4
209	1.5376	7.5133	0.1331	0.0489	209	1.7060	7.8248	0.0610	0.053	3