Research Article
THD Reduction of Improved Single Source MLI Using Upgraded Black Widow Optimization Algorithm
Table 3
Developed switching angles to result in minimum voltage THD for applied algorithms.
| | Desired switching angles (degree) | Harmonic contents | Required tuning variables | Algorithm | THD (%) | θ1 | θ2 | θ3 | θ4 | θ5 | θ6 | θ7 | 5thorder | 7thorder | 11thorder | 13thorder | 17thorder | 19thorder |
| BFOA | 2.86 | 1.1 | 8.26 | 8.9 | 16.5 | 17.95 | 25.6 | 38.53 | 1.85% | 0.12% | 0.68% | 0.41% | 0.56% | 0.6% | 3 | GA | 3.6 | 1 | 6.18 | 8.4 | 15.33 | 15.8 | 32.65 | 42.98 | 0.37% | 1.4% | 1.52% | 1.32% | 0.74% | 1.02% | 3 | PSO | 2.4 | 1 | 7.91 | 11 | 16.27 | 26.01 | 30.63 | 41.36 | 0.31% | 0.2% | 0.9% | 0.16% | 0.65% | 0.34% | 4 | MBWO | 1.83 | 4.8 | 9.24 | 14 | 21.7 | 29.77 | 38.88 | 58.31 | 0.3% | 0.21% | 0.49% | 0.07% | 0.57% | 0.28% | 2 |
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