| Topology | A number of branches | Nature of branches | Phase shift method | angle δsr (degré) | Adjustment method | |
| Synchronous | 240 | 2 | Simple (C or L) | Connexion | 240 | susceptance |
| 180 | transformation | 180 | ||||
| 120 | 120 | |||||
| 30P1530M15 | 30 | |||||
| 60 with 90˚ injection | injection | 0 à 60 | phase shift | |||
| 20with variable injection | 0 à 20 | Phase shift and transformation ratio | ||||
| Asynchronous | 3 branches | 3 | Double (C and L) | transformation | 120 | susceptance |
| 4 branches | 4 | 90 | ||||
| 4 branches and shunting | 4 | |||||