630kVA three phase oil type distribution transformer which is manufactured by Rockwill Electric. It complies IEC standard for using on power plant, substation and so on. The rated voltage includes 6kV, 6.3kV, 10kV, 10.5kV, 11kV, etc. We support customization for your specical requirements. Please contact us for more details.
Technical Reference of 630kVA Oil Type Distribution Transformer:
Rated capacity
(kVA) |
Voltage
group(kV) |
Vector
group |
Impedance voltage(%) |
(KW)
Loss |
No-load current(%) |
| No-load |
Load |
| 10 |
(HV)
11
10.5
10
6.3
6
(LV)
0.4
0.69 |
Yyno
Dyn11 |
4 |
0.065 |
0.4 |
3.5 |
| 20 |
0.08 |
0.52 |
3.0 |
| 30 |
0.1 |
0.63/0.6 |
2.3 |
| 50 |
0.13 |
0.91/0.87 |
2.0 |
| 63 |
0.15 |
1.09/1.04 |
1.9 |
| 80 |
0.18 |
1.31/1.25 |
1.9 |
| 100 |
0.2 |
1.58/1.5 |
1.8 |
| 125 |
0.24 |
1.89/1.8 |
1.7 |
| 160 |
0.28 |
2.31/2.2 |
1.6 |
| 200 |
0.34 |
2.73/2.6 |
1.5 |
| 250 |
0.4 |
3.2/3.05 |
1.4 |
| 315 |
0.48 |
3.83/3.65 |
1.4 |
| 400 |
0.57 |
4.52/4.3 |
1.3 |
| 500 |
0.68 |
5.41/5.15 |
1.2 |
| 630 |
4.5 |
0.81 |
6.2 |
1.1 |
| 800 |
0.96 |
7.5 |
1.0 |
| 1000 |
1.15 |
10.3 |
1.0 |
| 1250 |
1.36 |
12.0 |
0.9 |
| 1600 |
1.64 |
14.5 |
0.8 |
| 2000 |
1.96 |
19.8 |
0.8 |
| 2500 |
2.31 |
23.0 |
0.7 |
