500kV On-Load Tap-Changing Single-Phase Autotransformer
ODFSZ-250000/500
Product Overview
High-Performance power transformer designed and manufactured to international standards, suitable for power transmission and distribution systems worldwide.
Inquire NowTechnical Specifications
| Model | ODFSZ-250000/500 |
| Rated Capacity | 250000/250000/80000 kVA |
| Rated Voltage Ratio | (525/√3)/(230/√3 ±8x1.25%)/36 kV |
| Short-Circuit Impedance | High Voltage-Medium Voltage: 14 High Voltage-Low Voltage: 50 Medium Voltage-Low Voltage: 35 |
| Rated Frequency | 50 Hz |
| Connection Symbol | Ia0I0(Single-Phase) YNa0d11(Three-PhaseCombined) |
| Insulation Level | SI1175LI1550AC680-LI325AC140 LI950AC395-LI325AC140 LI200AC85 kV |
| Cooling Method | ONAN/ONAF(70%/100%) |
| No-Load Loss | 67.8 kW |
| Load Loss | 349.5 kW |
| Temperature Rise Limit | Top Oil: 54 Winding Hot-Spot: 77 K |
| Noise (Sound Pressure Level) | 70 dB(A) |