Isolation transformer

Isolation-transformer

Product details:

  • Indoor dry type insulation transformer
  • Three phase four wire or three phase three wire
  • Rated voltage: 3.3kV, 6kV, 10kV, 11kV, 12.5kV, 13.8kV
  • Rated voltage: 15kV, 17.5kV, 20kV, 22kV, 24kV
  • Rated voltage: 33kV, 35kV, 36kV
  • Capacity: 30kVA – 2500kVA
  • Standard: IEC, ANSI, GB
  • Type name: SGB
Isolation transformer 1  Isolation transformer 2Isolation transformer 3Isolation transformer 4Isolation transformer 5

 

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).