Low loss oil immersed type distribution transformer
1.Application
3.3kV-36kV transformers are mainly made of iron core and windings which are placed in the oil tank that filled with insulating oil.
It is mainly used for power plant, power transmission and distribution station as the equipment of power transmission.
2.Type and Rating
Product types: Single phase or three phases
Two windings or three windings
On-load or no-load voltage tap changer,
Autotransformer,
Natural cooling forced cooling or oil cooling, etc.
.Capacity range: 50kVA-5000kVA
.Frequency; 50/60Hz
3.Standard
IEC 60076-1:2000, IEC 60076-2:1993, IEC 60076-3:2000, IEC 60076-5:2006, IEC 60137:2003; ANSI, IEEE, AS, etc
11kV Series
Capacity (kVA) |
Voltage Combination |
Vector group |
No-load loss (W) |
Load loss (W) (75°C) |
Impedance voltage (%) |
No-load current (%) |
HV |
Tapping range of HV |
LV |
25 |
6 kV 6.6Kv 10.5kV 11kV |
±5%,±2×2.5% |
0.38 kV 0.4 kV 0.415 kV 0.48 kV |
Yyn0 Dyn5 Dyn11 |
100 |
600 |
4.0 |
1.7 |
50 |
130 |
870 |
1.6 |
63 |
150 |
1040 |
1.5 |
80 |
180 |
1250 |
1.4 |
100 |
200 |
1500 |
1.3 |
125 |
240 |
1800 |
1.2 |
160 |
280 |
2200 |
1.1 |
200 |
340 |
2600 |
1 |
250 |
400 |
3050 |
0.9 |
315 |
480 |
3650 |
0.9 |
400 |
570 |
4300 |
0.8 |
500 |
680 |
5100 |
0.8 |
630 |
810 |
6200 |
4.5 |
0.7 |
800 |
980 |
7500 |
0.6 |
1000 |
1160 |
10300 |
0.55 |
1250 |
1360 |
12000 |
0.5 |
1600 |
1640 |
14500 |
0.45 |
2000 |
1940 |
18500 |
5.5 |
0.4 |
2500 |
2300 |
20500 |
0.4 |
Capacity (kVA) |
Voltage Combination |
Vector group |
No-load loss (W) |
Load loss (W) (75°C) |
Impedance voltage (%) |
No-load current (%) |
HV |
Tapping range of HV |
LV |
630 |
13.2kV 13.8kV 15 kV 20 kV 22 kV 33 kV 34.5 kV |
±5%,±2×2.5% |
0.38 kV 0.4 kV 0.415 kV 0.48 kV |
Yd11 |
1150 |
6200 |
4.5 |
0.9 |
800 |
1400 |
7500 |
5.5 |
0.8 |
1000 |
1650 |
10300 |
0.7 |
1250 |
1950 |
12800 |
0.6 |
1600 |
2300 |
14500 |
0.6 |
2000 |
2650 |
17100 |
0.6 |
2500 |
3100 |
20000 |
0.6 |
3150 |
3650 |
23700 |
0.5 |
4000 |
4450 |
28100 |
0.5 |
5000 |
5200 |
32700 |
0.5 |
6300 |
6150 |
36900 |
0.5 |
8000 |
8900 |
44000 |
0.4 |
10000 |
11600 |
50600 |
6.5 |
0.4 |
Capacity (kVA)
|
Voltage
|
Vector group
|
No-load loss (W)
|
Load loss (W)
(75°C)
|
Impedance voltage (%)
|
No-load current (%)
|
Primary
|
Tapping range (%)
|
Secondary
|
50
|
33 kV
|
±5%
|
0.38 kV
0.4 kV
0.415 kV
0.48 kV
|
Yyn0
|
6.5
|
1210
|
6.5
|
2.0
|
100
|
305
|
2020
|
1.80
|
125
|
340
|
2380
|
1.75
|
160
|
360
|
2830
|
1.65
|
200
|
430
|
3300
|
1.55
|
250
|
510
|
3950
|
1.40
|
315
|
610
|
4750
|
1.40
|
400
|
735
|
5750
|
1.30
|
500
|
870
|
6900
|
1.30
|
630
|
1040
|
8250
|
1.25
|
800
|
1250
|
9900
|
1.05
|
1000
|
1480
|
12150
|
1.00
|
1250
|
1760
|
14600
|
0.90
|
1600
|
2130
|
17500
|
0.85
|
2000
|
2500
|
20680
|
0.75
|
2500
|
2975
|
24500
|
0.75
|
Capacity (kVA) |
Voltage |
Vector group |
No-load loss (W) |
Load loss (W) (75°C) |
Impedance voltage (%) |
No-load current (%) |
Primary |
Tapping range (%) |
Secondary |
50 |
33 kV |
±5% |
0.38 kV 0.4 kV 0.415 kV 0.48 kV |
Yyn0 |
6.5 |
1210 |
6.5 |
2.0 |
100 |
305 |
2020 |
1.80 |
125 |
340 |
2380 |
1.75 |
160 |
360 |
2830 |
1.65 |
200 |
430 |
3300 |
1.55 |
250 |
510 |
3950 |
1.40 |
315 |
610 |
4750 |
1.40 |
400 |
735 |
5750 |
1.30 |
500 |
870 |
6900 |
1.30 |
630 |
1040 |
8250 |
1.25 |
800 |
1250 |
9900 |
1.05 |
1000 |
1480 |
12150 |
1.00 |
1250 |
1760 |
14600 |
0.90 |
1600 |
2130 |
17500 |
0.85 |
2000 |
2500 |
20680 |
0.75 |
2500 |
2975 |
24500 |
0.75 |