S22 Oil-immersed Stacked Core Transformer
Adopts mature stacked core and oil insulation, stable and reliable, with strong short-circuit resistance, small size, low cost and good weatherability, suitable for various working conditions.
Efficient cooling system
Excellent insulation performance
Strong short-circuit withstand capability
Technical Parameters
High reliability
Oil-immersed transformers ensure stable, reliable performance via good insulation and heat dissipation.
Eco-friendly design
It uses biodegradable vegetable oil for insulation and cooling, lowering fire risks and pollution while meeting eco-standards.
Compact structure
Core design ensures small size and light weight, easy transport, installation and space saving for limited areas.
Easy maintenance
Oil-immersed design ensures easy internal inspection and maintenance, lowers operation cost and effectively prolongs service life.
Strong short-circuit withstand capability
With stable stereo wound core and reasonable winding design, it features strong short-circuit withstand capacity for safe operation.
Low temperature rise
Optimized oil-immersed cooling and wound core ensure low temperature rise, enhancing reliability and service life.
Strong adaptability
Highly adaptable to complex conditions like high temperature, humidity and altitude, widely used in power, industrial and urban-rural grids.
Good economy
High initial investment but remarkable long-term economy with high efficiency, energy saving and low maintenance.
Intelligent options available
Integrated intelligent monitoring for real-time parameter detection, remote control and fault diagnosis to improve operation efficiency.
Technical Parameters
Technical Specification
| Transformer Capacity (kVA) | Voltage Regulation Mode | Rated High Voltage (kV) | High Voltage Tapping Range (%) | Rated Low Voltage (kV) | Connection Group Symbol | No-load Loss (kW) | Load Loss (kW) | Short-circuit Impedance (%) | No-load Current (%) |
| 30 | No-load | 10 10.5 |
±5、±2 × 2.5、
(-3 + 1) × 2.5 |
0.4 | Dyn11 | 0.065 | 0.455 | 4.0 | 0.5 |
| 50 | 0.080 | 0.655 | 0.5 | ||||||
| 100 | 0.120 | 1.140 | 0.45 | ||||||
| 160 | 0.160 | 1.665 | 0.4 | ||||||
| 200 | 0.190 | 1.970 | 0.4 | ||||||
| 315 | 0.270 | 2.760 | 0.35 | ||||||
| 400 | 0.330 | 3.250 | 0.35 | ||||||
| 500 | 0.385 | 3.900 | 0.3 | ||||||
| 630 | 0.460 | 4.460 | 4.5 | 0.25 | |||||
| 800 | 0.560 | 5.400 | 0.18 | ||||||
| 1000 | 0.665 | 7.415 | 0.17 | ||||||
| 1250 | 0.780 | 8.640 | 0.17 | ||||||
| 100 | On-load | 10 10.5 |
±4 × 2.5±2 × 2.5 | 0.4 | Dyn11 | 0.120 | 1.140 | 4.0 | 1.0 |
| 200 | 0.190 | 1.970 | 1.0 | ||||||
| 315 | 0.270 | 2.760 | 0.9 | ||||||
| 400 | 0.330 | 3.250 | 0.8 | ||||||
| 630 | 0.460 | 4.460 | 4.5 | 0.6 |
Application
Application
The vacuum-cast coil uses premium flame-retardant Class H epoxy resin, featuring a smooth finish.
The vacuum-cast coil uses premium flame-retardant Class H epoxy resin, featuring a smooth finish.
