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Table 3 Identification of weak buses

From: Weak bus-constrained PMU placement for complete observability of a connected power network considering voltage stability indices

Test system Indices # weak buses Loc. of weak bus Comp. time/s
14- bus VCPI 3 5, 11, 13 0.015
LSI 3 7, 11 13 0.013
FVSI 3 7, 11, 13 0.199
NVSI 3 10, 11, 13 0.028
39- bus VCPI 4 6, 8, 11, 13 0.123
LSI 4 16, 19, 20, 22 0.125
FVSI 4 9, 11, 13, 22 0.122
NVSI 4 18, 23, 24, 27 0.043
118- bus VCPI 6 17, 37, 64, 79, 81, 115 0.100
LSI 6 23, 29, 64, 86, 96, 108 0.097
FVSI 6 5, 23, 37, 94, 96, 97 0.154
NVSI 6 29, 58, 79, 96, 109, 115 0.147
300- bus VCPI 10 5, 7, 65, 97, 160, 167, 216, 230, 266, 270 0.186
LSI 10 73, 78, 91, 189, 198, 229, 231, 245, 246, 283 0.212
FVSI 10 15, 79, 90, 100, 102, 153, 158, 196, 245, 246 0.266
NVSI 10 67, 93, 99, 179, 216, 230, 266, 269, 270, 291 0.235