Optimal Battery Sizing in Photovoltaic Based Distributed Generation Using Enhanced Opposition-Based Firefly Algorithm for Voltage Rise Mitigation

Table 1

Test functions for unconstrained global optimization.

Function	Name of the function	Dimension size	Global minima
F1	Ackley function	30	0
F2	Beale function	2	0
F3	Bohachevsky function 1	2	0
F4	Bohachevsky function 3	2	0
F5	Griewank function	30	0
F6	Matya function	2	0
F7	Michalewicz function	10	−9.66
F8	Perm function	30	0
F9	Powell function	30	0
F10	Rastrigin function	30	0
F11	Rosenbrock function	30	0
F12	Schwefel function	30	0
F13	Sphere function	30	0
F14	Sum square function	30	0
F15	Zakharov function	30	0