THD Reduction of Improved Single Source MLI Using Upgraded Black Widow Optimization Algorithm

Table 5

Comparative study of MBWO switching algorithm with existing switching schemes.

References	O/P voltage level	Power switches	Switching techniques	O/P voltage THD (%)
[4]	9	10	Fundamental frequency switching	5.20
[5]	11	11	PWM	9.07
[6]	13	10	Fundamental frequency switching	3.50
[7]	21	10	Fundamental sine quantized switching techniques	3.65
[10]	17	13	NLC modulation	5.15
[12]	15	32	SPWM	7.60
[25]	9	16	PSO	5.44
[27]	7	6 + 2 diodes	Modified PSO	11.81
[28]	11	12	Modified GWO	5.54
[43]	9	8	Honey badger optimization	2.48
[44]	7	12	SHEPWM based on Walsh function	8.84
Proposed	15	10	MBWO	1.83