General
This indoor dry type transformer used in 3.3-36kV power system.
It suitable for the bad environment with high fire prevention requirement and heavy load fluctuation
The transformer use advanced insulating material, high quality CRGO core, primary and secondary use pure electrolytic copper, both winding and core have shielding processing.
Main Technical data
Rated capacity (KVA) |
Voltage combination |
Connection symbol | Loss(kW) |
No-Load current (%) |
Impedance voltage (%) | |||
H.V (kV) |
High voltage tapping range |
L.V (kV) |
Load | No-load | ||||
100 |
3
6
6.6
10 10.5 11
12.5
13.8
|
±5%
2*2.5%
|
0.4 |
Yyno
Dyn11
|
400 | 690 | 1.8 | 4 |
125 | 470 | 1980 | 1.6 | |||||
160 | 540 | 2280 | 1.5 | |||||
200 | 620 | 2710 | 1.4 | |||||
250 | 720 | 2960 | 1.4 | |||||
315 | 880 | 3730 | 1.2 | |||||
400 | 980 | 4280 | 12 | |||||
500 | 1160 | 5230 | 1.2 | |||||
630 | 1340 | 6290 | 1 | |||||
630 | 1300 | 6400 | 1 | 6 | ||||
800 | 1520 | 7460 | 1 | |||||
1000 | 1770 | 8760 | 1 | |||||
1250 | 2090 | 10370 | 1 | |||||
1600 | 2650 | 12580 | 1 | |||||
2000 | 3050 | 15560 | 0.8 | |||||
2500 | 3600 | 18450 | 0.8 |
Standards
All UNISUN Electric instrument transformers are in conformity with IEC standards, and recommendations IEC 61869. Transformers in conformity with specific country standards can also be supplied. (IEEE C57.13, NBR6855).