Electric Transformer 3 Phase 400kVA Oil Immersed Transformer
Low Voltage Step Down Industrial Power Transformer
This three-phase oil-filled distribution transformer is designed for power distribution systems requiring reliable energy transformation at various voltage levels. Its robust construction and efficient design make it suitable for industrial, commercial, and utility applications.
Key Specifications
| Attribute |
Value |
| Type |
Power transformer, distribution transformer, Oil-filled Transformer |
| Frequency |
50Hz, 60Hz |
| Winding Material |
Aluminum |
| Application |
Power Distribution System |
| Phase |
Three |
| Coil Structure |
Layered Winding |
| Coil Number |
Multi-winding coil |
| Input Voltage |
3kV, 6kV, 10kV, 15kV, 35kV, 69kV, 110kV, 220kV, 400kV, 115kV, 132kV |
| Output Voltage |
5V, 400V, 208V, 200V, 415V, 127V, 11kV, 12V, 24V, 48V, 110V, 220V, 36V, 380V, 440V, 480V, 9V |
| Cooling Method |
ONAN ONAF OFAF |
| Vector Group |
Dyn11/Yyn0 |
Technical Parameters
S20 Type Energy-Efficient Secondary Oil-Immersed Transformer
| Rated Capacity (KVA) |
Vector Group |
Voltage Combination |
HV |
Tapping Range |
LV |
Loss (W) |
Impedance (%) |
| 30 |
Yyn0 / Dyn11 |
10 6.3 6 |
±5% ±2X2.5% |
0.4 |
70 |
505 | 480 |
4.0 |
| 50 |
|
|
|
|
90 |
730 | 695 |
|
| 63 |
|
|
|
|
100 |
870 | 830 |
|
| 80 |
|
|
|
|
115 |
1050 | 1000 |
|
| 100 |
|
|
|
|
135 |
1265 | 1200 |
|
| 125 |
|
|
|
|
150 |
1510 | 1440 |
|
| 160 |
|
|
|
|
180 |
1850 | 1760 |
|
| 200 |
|
|
|
|
215 |
2185 | 2080 |
4.5 |
| 250 |
|
|
|
|
260 |
2560 | 2440 |
|
| 315 |
|
|
|
|
305 |
3065 | 2920 |
|
| 400 |
|
|
|
|
370 |
3615 | 3440 |
|
| 500 |
|
|
|
|
430 |
4330 | 4120 |
|
| 630 |
|
|
|
|
510 |
4960 | 4960 |
|
| 800 |
|
|
|
|
630 |
6000 | 6000 |
|
| 1000 |
|
|
|
|
745 |
8240 | 8240 |
5.0 |
Application Scenarios
This industrial-grade power transformer is ideal for:
- Industrial power distribution networks
- Commercial building power systems
- Utility power transmission and distribution
- Facilities requiring reliable voltage transformation
- Systems needing efficient energy conversion at various voltage levels