11kV Three-Phase Oil-Immersed Transformer
This three-phase transformer is oil-immersed for enhanced insulation and cooling. It features on-load tap changing for voltage regulation without power interruption.
Technical Specifications
Product Overview
High-Efficiency 11kV Oil-Immersed Transformer
This three-phase oil-immersed transformer is engineered for reliable power distribution in industrial and utility applications. It features excellent overload capacity and short-circuit withstand capability, ensuring stable performance under demanding conditions. Designed for longevity, the unit incorporates efficient heat dissipation and low-noise operation to meet modern infrastructure requirements.
Core Performance
Key Performance Advantages
- Excellent overload capacity
- High short-circuit withstand capacity
- Low operational losses
- Low noise emissions
- Efficient heat dissipation
- Long service lifespan
Electrical Specifications
Voltage Ratings
11 kV
High Voltage (HV)
0.4 kV
Low Voltage (LV)
4.5 %
Impedance Voltage
- Vector Group Symbols
- Dyn11Yzn11Yyn0
- HV Tap Range
- ±5% or ±2×2.5%
Operating Conditions
Average Temperature Limits
- Hottest monthly average: +30°C
- Hottest yearly average: +20°C
Installation Standards
- Altitude: Below 1000m above sea level
- Power supply wave: Similar to sine wave
- Phase symmetry: Approximately symmetrical three-phase voltage
- Environment: Installation without evidence of filth
- Ambient Air Temperature
- -25°C to +40°C
Technical Data Table
Capacity and Loss Data
| Rated Capacity (kVA) | No-load Loss (kW) | Load Loss (kW) | Total Weight (kg) |
|---|---|---|---|
| 30 | 0.1 | 0.63/0.60 | 730 |
| 100 | 0.2 | 1.58/1.50 | 660 |
| 500 | 0.68 | 5.41/5.15 | 1,710 |
| 1,000 | 1.15 | 10.30 | 3,680 |
| 2,500 | 2.31 | 20.70 | 5,440 |
Physical Construction
Cooling Method
Oil-ImmersedCooling Fins
- Enclosure Options
- OmnisealUn-omniseal
