Research Article
A New 7-Level Symmetric Multilevel Inverter with Minimum Number of Switches
Table 3
Switching scheme for 7-level 6-switch topology.
| SL no.
| | | | | | | Output voltage |
| 1
| OFF | OFF | ON | OFF | ON | OFF | +Vdc | 2
| OFF | ON | OFF | OFF | ON | OFF | +2Vdc | 3
| ON | OFF | OFF | OFF | ON | OFF | +3Vdc | 4
| OFF | OFF | OFF | OFF | OFF | ON | 0 | 5
| ON | OFF | OFF | ON | OFF | OFF | −Vdc | 6
| OFF | ON | OFF | ON | OFF | OFF | −2Vdc | 7
| OFF | OFF | ON | ON | OFF | OFF | −3Vdc |
|
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