A proposed PMU-based voltage stability and critical bus detection method using artificial neural network

Energy Informatics

Table 3 Variations of power system operating conditions

Parameter	Scenarios
Parameter	Without PV	With PV
Load scaling	Whole system, only Load 3, and only Load 9	Whole system, only Load 3, and only Load 9
N-1 contingency	Normal condition	Normal condition
	Each of the 16 lines	Each of the 16 lines
	–	PV system in Bus 3
Variation number of PMUs	5, 7. 9 and 14	5, 7. 9 and 14
Normalization effect	With and without normalization	With and without normalization