ETRA33 3 pcs 20/25 MVA 140/33 kV
Technical specifications
| Quantity | 3 pce |
| Brand | ETRA33 |
| Year of Manufacture | 2010 |
| Application | Power Transformer |
| Basic Transformer Concept | oil-immersed, conservator tank |
| Tank Design | Rigid tank, detachable cooling radiators |
| Number of Phases | 3-phase |
| Rated Power | 20000/25000 kVA |
| Method of Cooling | ONAN/ONAF |
| Voltage Ratio | 140000 / 33000 V |
| Voltage Regulation | On-load Tap Changer |
| Tapping Range | +-9×1,67% |
| Frequency | 50 Hz |
| Connection | YNd5 |

