Research Article
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 |
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