Research Article
A New Multilevel Inverter Topology for Grid-Connected Photovoltaic Systems
| GCPS | DMPC and basic CHB-based GCPS [7] | DMPC and topology in [9] based on GCPS [10] | Novel H-bridge and DMPC-based GCPS | Proposed topology and DMPC-based GCPS | Feature |
| Grid current harmonics (%) | 1.5–2 | 2.7–3.1 | 2.5–2.7 | 3.2 | Output voltage harmonics (%) | 28–30 | 29–36 | 24–32 | 22 | Total power extracted during 0 < < 0.4 s (W) | 623.50 | 613 | 618 | 623.25 | Total power extracted during 0.4 < < 0.8 s (W) | 543 | 542 | 542 | 542.7 | Total power extracted during 0.8 < < 1.2 s (W) | 462 | 385 | 395 | 462.65 | Total power extracted during 1.2 < ≤ 1.6 s (W) | 456.9 | 383 | 391.5 | 456.95 | Number of switches for 7-level MLI | 12 | 9 | 6 | 10 | (%) | 83 | 89 | 96 | 95 |
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