| moveDownN | 1: tap-changer/phase-shifter has decreased the next tap |
| moveDown1 | 2: tap-changer/phase-shifter has decreased the first tap |
| waitingToMoveDown | 3: tap-changer/phase-shifter is waiting to decrease the first tap |
| standard | 4:tap-changer/phase-shifter is in standard state with UThresholdDown <= UMonitored <= UThresholdUp |
| waitingToMoveUp | 5: tap-changer/phase-shifter is waiting to increase the first tap |
| moveUp1 | 6: tap-changer/phase-shifter has increased the first tap |
| moveUpN | 7: tap-changer/phase-shifter has increased the next tap |
| locked | 8: tap-changer/phase-shifter locked |