S18/S20/S22-35
Power transformer 35 kV S18 / S20 / S22
35 kV power transformers for main step-down substations of industrial plants, open-pit mines and distribution networks: they step 35 kV down to 6 or 10 kV. Three energy-efficiency levels: S18, S20 and S22.
Main dataper the factory catalogue
- Series
- S18/S20/S22-35
- Voltage
- 35; 38.5 / 6.3; 6.6; 10.5; 11 kV
- Vector group
- Yd11
- Impedance voltage
- 7,0–10,0 %
- Energy efficiency class
- S18 — 3, S20 — 2, S22 — 1 (GB 20052-2024)
- Rating
- 3 150–31 500 kVA
- Versions
- 11
- Tests
- factory acceptance tests
Choose rating, kVA
Price on requestDepends on winding material and loss requirements. Quoted delivered to site.Request a price
Design
- Conservator and tank-mounted radiators
- Low voltage 6.3; 6.6; 10.5 or 11 kV
- Versions S18, S20 and S22 by energy efficiency class
- Built to your questionnaire
Specifications
| Rating, kVA | No-load losses S18, kW | No-load losses S20, kW | No-load losses S22, kW | Load losses S18, kW | Load losses S20, kW | Load losses S22, kW | Uk, % | |
|---|---|---|---|---|---|---|---|---|
| 3 150 | 2,4 | 2 | 1,7 | 21,9 | 20,7 | 20,7 | 7,0 | request |
| 4 000 | 2,9 | 2,3 | 2 | 25,9 | 24,6 | 24,6 | 7,0 | request |
| 5 000 | 3,5 | 2,8 | 2,4 | 29,7 | 28,2 | 28,2 | 7,0 | request |
| 6 300 | 4,2 | 3,4 | 2,9 | 33,3 | 31,5 | 31,5 | 8,0 | request |
| 8 000 | 5,8 | 4,7 | 4 | 36,5 | 34,6 | 34,6 | 8,0 | request |
| 10 000 | 7 | 5,7 | 4,8 | 43 | 40,8 | 40,8 | 8,0 | request |
| 12 500 | 8 | 6,5 | 5,5 | 51,1 | 48,4 | 48,4 | 8,0 | request |
| 16 000 | 9,7 | 7,9 | 6,7 | 62,5 | 59,2 | 59,2 | 8,0 | request |
| 20 000 | 11,5 | 9,4 | 7,9 | 75,5 | 71,6 | 71,6 | 8,0 | request |
| 25 000 | 13,6 | 11,1 | 9,4 | 89,3 | 84,6 | 84,6 | 10,0 | request |
| 31 500 | 16,2 | 13,1 | 11,1 | 106,4 | 100,8 | 100,8 | 10,0 | request |
Data from the partner factory's catalogue.