Self-Adaptive Firefly-Algorithm-Based Unified Power Flow Controller Placement with Single Objectives

Table 5

Performance solutions of IEEE 57 bus system.

	Method	Ploss (MW)	TVD	MVSI	V^low/V^high (p,u)
Before UPFC placement		27.2233	1.2195	0.2914	0.936/1.061
Case 1	SAFA	26.3094	0.9932	0.2644	0.960/1.059
	HBA	27.0199	1.1651	0.2845	0.952/1.048
	BFA	27.0701	1.0981	0.2705	0.950/1.051
Case 2	SAFA	28.5457	0.8194	0.2716	0.958/1.050
	HBA	27.8055	0.9753	0.2739	0.961/1.049
	BFA	27.3661	0.9854	0.2817	0.957/1.051
Case 3	SAFA	27.5225	1.3687	0.2233	0.970/1.058
	HBA	27.9907	1.0686	0.2483	0.958/1.057
	BFA	27.1042	1.0333	0.2683	0.954/1.054