Research Article
Modified Space Vector Modulation for Cascaded H-Bridge Multilevel Inverter with Open-Circuit Power Cells
| Scenarios | Normal | HA3 is fault | HA3, HB1, HB3, and HB5 are fault |
| Time | 0−0.1 s | 0.1 s−0.2 s | 0.2 s−0.3 s | Reference voltage | 185 V | Output voltage | 185 V | 138 V | Level state | Phase A | [−5; 5] | [−4; 4] | [−4; 4] | Phase B | [−5; 5] | [−5; 5] | [−2; 2] | Phase C | [−5; 5] | [−5; 5] | [−4; 4] | THD (%) | 3.04 | 3.04 | 5.42 | Current (A) | 3.8 | 3.8 | 2.7 | CMV | [−13 V; 13 V] | [−40 V; 40 V] | [−66 V; 66 V] |
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