#191 - Helmerverken 630 kVA 10,5/0,69 kV
- Kristian Östman
- +358 505509921
| Quantity | : 1 pce |
| Brand | : Helmerverken (Koncar) |
| Type | : 8TBNv630-12/A |
| Condition | : Second Hand |
| Year of Manufacture | : 1995 |
| Application | : Power Transformer |
| Basic Transformer Concept | : oil-immersed, hermetically |
| Tank Design | : corrugated tank |
| Number of Phases | : 3-phase |
| Rated Power | : 630 kVA |
| Method of Cooling | : ONAN |
| Voltage Ratio - HV/MV/LV | : 10500/ 690 V |
| Voltage Regulation | : off-circuit tap changer |
| Tapping Range | : 10500 V +-2x2.5% |
| Frequency | : 50 Hz |
| Connection | : Dyyn11 |
| Short-circuit impedance | : 3,9% |
| Standards | : IEC 60076 |
| Total Weight | : 1960 kg |
| Weight of Oil | : 350 kg |