| Quantity |
: 1 pce
|
| Availablity |
: Available from October 2013
|
| Brand |
: ABB
|
| Year of Manufacture |
: 1996
|
| Condition |
: Second Hand
|
| Application |
: Generator Step-up Transformers (GSU)
|
| Basic Transformer Concept |
: oil-immersed, conservator tank
|
| Tank Design |
: Rigid tank, detachable cooling radiators
|
| Number of Phases |
: 3-phase
|
| Rated Power |
: 20100/31500 kVA
|
| Method of Cooling |
: ONAN/ONAF
|
| Voltage Ratio (prim./sec.) |
: 66000/11000 V
|
| Current (prim.) |
: 175,8 A / 275,6 A (ONAN/ONAF)
|
| Current (sec.) |
: 1055,0 A / 1653,3 A (ONAN/ONAF)
|
| Voltage Regulation |
: on-load tap changer (OLTC)
|
| Tapping Range |
: +-8x1,25%, see table below for tapping range
|
| Frequency |
: 50 Hz
|
| Insulatin Class |
: Class A
|
| Temperature Rise (oil/wind) |
: 50/55 K
|
| Connection |
: YNd1
|
|
|
| Total Weight |
: ~62000 kg
|
| Weight of Oil |
: ~15000 kg
|
|
|
| Further documentation (complete rating plate data etc.) is available and can be sent
|
| upon request!
|
|
|
|
|
| Table of primary tappings |
:
|
|
|
| 1. 59400 / 11000 V
|
| 2. 60225 / 11000 V
|
| 3. 61050 / 11000 V
|
| 4. 61875 / 11000 V
|
| 5. 62700 / 11000 V
|
| 6. 63525 / 11000 V
|
| 7. 64350 / 11000 V
|
| 8. 65175 / 11000 V
|
| 9. 66000 / 11000 V
|
| 10. 66825 / 11000 V
|
| 11. 67650 / 11000 V
|
| 12. 68475 / 11000 V
|
| 13. 69300 / 11000 V
|
| 14. 70125 / 11000 V
|
| 15. 70950 / 11000 V
|
| 16. 71775 / 11000 V
|
| 17. 72600 / 11000 V |
