Opposition-Based Improved PSO for Optimal Reactive Power Dispatch and Voltage Control

Table 1

Comparison of optimal results for different methods.

	Parameters	Losses (p.u.)
GA [22]	;	0.04650
GSA [23]	;	0.04617
DE [24]	;	0.04550^*
OGSA [25]	;	0.04498^*
PSO [26]	; ;	0.04814
CLPSO [26]	;	0.04721
OIPSO	; ; ; ; ; ;	0.04594

CR is crossover rate; is mutation rate; is the gravitational constant; is learning probability, ^*The reactive compensation and transformer tap variables are continuous.