330kV Three-Phase On-Load Tap-Changing Autotransformer
OSFSZ-360000/330
Product Overview
High-Performance power transformer designed and manufactured to international standards, suitable for power transmission and distribution systems worldwide.
Inquire NowTechnical Specifications
| Model | OSFSZ-360000/330 |
| Rated Capacity | 360000/360000/110000 kVA |
| Rated Voltage Ratio | (345±8x1.25%)/121/35 kV |
| Short-Circuit Impedance | L-M: 23%(±5%) H-M: 18%(±3%) L-H: 45%(±5%) |
| Rated Frequency | 50 Hz |
| Connection Symbol | YNa0d11 |
| Insulation Level | SI950LI1175AC510-LI325AC140 LI480AC200-LI325AC140 LI200AC85 kV |
| Cooling Method | ONAF |
| No-Load Loss | ≤87 kW |
| Load Loss | ≤705 kW |
| Temperature Rise Limit | Top Oil: ≤50 Winding Average: ≤60 K |
| Noise (Sound Pressure Level) | ≤67 dB(A) |