| State No. | Switching States | Voltages | |||||||
| S1 | S2 | S3 | S4 | S5 | S6 | Vab | Vbc | Vca | |
| 1 | ON | ON | OFF | OFF | OFF | ON | Vs | 0 | −Vs |
| 2 | ON | ON | ON | OFF | OFF | OFF | 0 | Vs | −Vs |
| 3 | OFF | ON | ON | ON | OFF | OFF | −Vs | Vs | 0 |
| 4 | OFF | OFF | ON | ON | ON | OFF | −Vs | 0 | Vs |
| 5 | OFF | OFF | OFF | ON | ON | ON | 0 | −Vs | Vs |
| 6 | ON | OFF | OFF | OFF | ON | ON | Vs | −Vs | 0 |
| 7 | ON | OFF | ON | OFF | ON | OFF | 0 | 0 | 0 |