Optimal Power Flow Using Gbest-Guided Cuckoo Search Algorithm with Feedback Control Strategy and Constraint Domination Rule

Table 1

The main characteristics of the two test systems.

Characteristics	IEEE 30		IEEE 57
	Value	Details	Value	Details
Buses	30	-	57	-
Branches	41	-	80	-
Load voltage limits	-	.95–1.0	-	.94–1.0
Generators	6	Buses: 1, 2, 5, 8, 11, and 13	7	Buses: 1, 2, 3, 6, 8, 9, and 12
Capacitor banks	9	Buses: 10, 12, 15, 17, 20,; 21, 23, 24, and 29	3	Buses: 18, 25, and 53
Transformers	4	Branches: 16-9, 6-10, 4-12, and 28-27	17	Branches: 19, 20, 31, 35, 36, 37, 41, 46, 54, 58, 59, 65, 66, 71, 73, 76, and 80
Control variables	24	-	33