Medium and large power transformers up to 1100 kV / 1300 MVA
Custom-designed oil-filled power transformers for voltages up to 1100 kV and ratings up to 1300 MVA. They are installed at power plants, in transmission and distribution networks and in industry. Typical range 10–1300 MVA, 10–800 kV.
- Medium rating
- up to 300 kV, up to 250 MVA, ONAN/ONAF cooling
- Large rating
- up to 1100 kV, up to 1300 MVA, ONAN, ONAF, ODAF, ODWF cooling
- Typical range
- 10–1300 MVA, 10–800 kV
- Options
- DC component compensation (DC), GIC protection, bullet-resistant design, ester liquids, digital monitoring
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
Medium-rating transformers are made up to 300 kV and 250 MVA with ONAN/ONAF cooling. Large-rating transformers reach 1100 kV and 1300 MVA, with ONAN, ONAF, ODAF or ODWF cooling. On order, the following can be added: DC component compensation (DC), GIC protection, bullet-resistant design, filling with ester liquids and digital monitoring. Applications cover grids, industry, renewables and interconnections between systems.
Technical specifications
| Medium rating | up to 300 kV, up to 250 MVA, ONAN/ONAF cooling |
|---|---|
| Large rating | up to 1100 kV, up to 1300 MVA, ONAN, ONAF, ODAF, ODWF cooling |
| Typical range | 10–1300 MVA, 10–800 kV |
| Options | DC component compensation (DC), GIC protection, bullet-resistant design, ester liquids, digital monitoring |
| Application | grids, industry, renewables, interconnections between systems |
Replacement for
ТДН-16000/110, ТРДН-40000/110, ТРДЦН-160000/220, АТДЦТН-200000/220/110, АОДЦТН-167000/500/220, ТЦ-630000/500, АОДЦТН-333000/750/330
selected by purpose and main parameters, please confirm with our manager
Request a price and lead time
Medium and large power transformers up to 1100 kV / 1300 MVA. We reply within one business day.
Or email sales@usk.ua or call 044 339-50-20.
Customs codes
| UKTZED (Ukraine) | 8504 23 00 00 |
|---|---|
| HS, 6 digits | 8504 23 |
| CN (EU) | 8504 23 00 |
| HTSUS (USA) | 8504 23 00 41 8504 23 00 45 8504 23 00 80 |
| China customs tariff | 8504 23 11 00 8504 23 12 00 8504 23 13 00 8504 23 21 00 8504 23 29 00 |
Codes are for reference: the final code is determined at declaration for the specific model.
Questions and answers
Where is the boundary between medium and large power transformers?
Medium rating covers units up to 300 kV and 250 MVA. Large rating reaches 1100 kV and 1300 MVA.
What cooling systems are used?
ONAN/ONAF for medium rating, ONAN, ONAF, ODAF and ODWF for large rating.
Is there protection against geomagnetically induced currents?
Yes, GIC protection and DC component compensation (DC) are supplied as options.
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