Our factory
We are professional manufacturer of current transformer ,voltage transformer, Vacuum Circuit Breakers/Recloser,Isolation switches,Dropout Fuse Cut-out,Lightning Arresters,High and Low Voltage Cabinets,Metering Devices,Power Distribution Transformers etc.
General
Power transformer three phase oil immsered electrical transformer rated voltage during 6-35kV, oil immersed transformer are most used in power plant,power grid transmission and distribution station,industry& commerce electrical substation as the electrical equipment of power transmission.
References
ISO 1461: Hot dip galvanized coatings on fabricated iron and steel articles - Specifications and test methods.
IEC 60076: Power transformers.
IEC 60044: Instrument transformers.
IEC 60296: Specification for unused mineral insulating oil for transformers and switchgear.
IEC 60354: Loading guide for oil - immersed power transformers.
IEC 60214: Tap-changers - Part 1: Performance requirements and test methods, Part 2: Application guide.
IEC 60512: Connectors for electronic equipment.
Technical specification
| Rated capacity (kVA) |
voltage combination |
Vector group |
Losses(W) |
No-load current(%) |
| HV(kV) |
tapping range |
LV(kV) |
On-load loss |
No-load loss |
| 30 |
|
|
|
|
630/600 |
100 |
2.1 |
| 50 |
|
|
|
|
910/870 |
130 |
1.1 |
| 63 |
|
|
|
|
1090/1040 |
150 |
1 |
| 80 |
|
|
|
|
1310/1250 |
180 |
1 |
| 100 |
|
|
|
|
1580/1500 |
200 |
0.9 |
| 125 |
|
|
|
|
1890/1800 |
240 |
0.9 |
| 160 |
6 |
|
|
|
2310/2200 |
280 |
0.8 |
| 200 |
6.3 |
|
|
|
2730/2600 |
340 |
0.8 |
| 250 |
6.6 |
±5% |
|
Yyno |
3200/3050 |
400 |
0.7 |
| 315 |
10 |
|
0.4 |
|
3830/3650 |
480 |
0.7 |
| 400 |
10.5 |
±2x2.5% |
|
Dyn11 |
4520/4300 |
570 |
0.6 |
| 500 |
11 |
|
|
|
5410/5150 |
680 |
0.6 |
| 630 |
|
|
|
|
6200 |
810 |
0.6 |
| 800 |
|
|
|
|
7500 |
980 |
0.5 |
| 1000 |
|
|
|
|
10300 |
1150 |
5 |
| 1250 |
|
|
|
|
12000 |
1360 |
0.5 |
| 1600 |
|
|
|
|
14500 |
1640 |
0.4 |
| 2000 |
|
|
|
|
19800 |
1990 |
0.4 |
| 2500 |
|
|
|
|
23000 |
2340 |
0.4 |
| Rated capacity (kVA) |
voltage combination |
Vector group |
Losses(KW) |
No-load current(%) |
Short circuit impedance(%) |
| HV(kV) |
tapping range |
LV(kV) |
On-load loss |
No-load loss |
| 30 |
|
|
|
|
0.66 |
0.09 |
2.1 |
5.5 |
| 50 |
|
|
|
|
0.96 |
0.13 |
2 |
| 63 |
|
|
|
|
1.145 |
0.15 |
1.9 |
| 80 |
|
|
|
|
1.37 |
0.18 |
1.8 |
| 100 |
|
|
|
|
1.65 |
0.2 |
1.6 |
| 125 |
|
|
|
|
1.98 |
0.24 |
1.5 |
| 160 |
|
|
|
|
2.42 |
0.29 |
1.4 |
| 200 |
|
|
|
|
2.86 |
0.33 |
1.3 |
| 250 |
20\10 |
±5x2.5% |
|
Yyno |
3.35 |
0.4 |
1.2 |
| 315 |
|
|
0.4 |
|
4.01 |
0.48 |
1.1 |
| 400 |
|
±2x2.5% |
|
Dyn11 |
4.73 |
0.57 |
1 |
| 500 |
|
|
|
|
5.66 |
0.68 |
1 |
| 630 |
|
|
|
|
6.82 |
0.81 |
0.9 |
6 |
| 800 |
|
|
|
|
8.25 |
0.98 |
0.8 |
| 1000 |
|
|
|
|
11.33 |
1.15 |
0.7 |
| 1250 |
|
|
|
|
13.2 |
1.35 |
0.7 |
| 1600 |
|
|
|
|
15.95 |
1.63 |
0.6 |
| 2000 |
|
|
|
|
19.14 |
1.95 |
0.6 |
| 2500 |
|
|
|
|
22.22 |
2.34 |
0.5 |
Our Customer
Our customers are located all over the world.
Test Reports
All products have undergone professional testing and certification.
Photos of Product
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