




1.High Efficiency and Low Loss
2.High Reliability and Short-circuit Resistance
3.Safe and Stable Operation
4.Multi-functional Voltage Regulation
5.Customizable according to customer requirements.


| Technical Specifications of 35kV, 2000kVA–31500kVA Three-phase Dual-winding On-load Tap Changer (OLTC) Power Transformer | ||||||||
| Rated Capacity (kVA) | Voltage Combination and Tap Range | Vector Group | No-Load Loss (kW) | Load Loss (kW) | No-Load Current (%) | Short-Circuit Impedance (%) | ||
| High Voltage (kV) | HV Tap Range | Low Voltage (kV) | ||||||
| 2000 |
35 38.5 |
±2×2.5% |
6.3 6.6 10.5 |
Yd11 YNd11 |
2.30 | 19.2 | 0.5 |
6.5 7.0 8 10 |
| 2500 | 2.72 | 20.6 | 0.5 | |||||
| 3150 | 3.23 | 24.7 | 0.5 | |||||
| 4000 | 3.87 | 29.1 | 0.5 | |||||
| 5000 | 4.64 | 34.2 | 0.5 | |||||
| 6300 | 5.63 | 36.7 | 0.68 | |||||
| 8000 | 7.87 | 40.6 | 0.6 | |||||
| 10000 | 9.28 | 48.0 | 0.6 | |||||
| 12500 | 10.9 | 56.8 | 0.56 | |||||
| 16000 | 13.1 | 70.3 | 0.54 | |||||
| 20000 | 15.5 | 82.7 | 0.5 | |||||
| 25000 | 18.3 | 97.8 | 0.5 | |||||
| 31500 | 21.8 | 116.0 | 0.5 | |||||
| 40000 | 26.2 | 139.0 | 0.4 | |||||
| Note:Transformers can be customized to operate under special service conditions according to user requirements. | ||||||||
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