Dry type distribution transformers
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Dry type transformer
Product standard
IEC60076
High voltage(KV): 10(11，10.5，6.6，6.3，6)kV Low voltage(KV): (0.4,0.415)kV
Connection of transformer winding: Dyn11 or Yyn0
Tapping range of HV: 土5% or 土2X2.5%
Insulating level: LI75AC35/LI OAC5
Frequency: 50Hz
Product characteristics
Service condition
Ambient temperature
Highest air temperature +40℃，
Lowest air temperature -5℃，
Hottest monthly average temperature+30℃
Hottest yearly average temperature +20T
The height='auto' rea above the sea level is below 1000m;
The power supply voltage's cave is similar to sine wave
Three-phase power supply voltage is approximately symmetrical
The main technical parameters
SCB11 Type 11kv
|
Rated capacity（KVA） |
Voltage Combination and tap range |
connection of transformer winding |
No-load loss (w) |
Load loss (W) |
No-load current (%) |
Short circuit impedance (%) |
||
|
High voltage(KV) |
High voltage tap range ( %) |
Low voltage(KV) |
||||||
|
30 50 80 100 125 160 200 250 315 400 500 630 630 800 1000 1250 1600 2000 2500 |
6 6.6 6.6 10 10.5 11
|
±5% ±2x2.5% |
0.4
|
Dyn11
|
170 240 330 360 420 490 560 650 790 880 1045 1210 1170 1370 1590 1880 2205 2745 3240 |
710 1000 1380 1570 1850 2130 2530 2760 3470 3990 4880 5880 5960 6960 8130 9690 11730 14450 17170 |
2.6 2.2 2.2 2 1.8 1.8 1.6 1.6 1.4 1.4 1.4 1.2 1.2 1.2 1.1 1.1 1.1 1.0 1.0 |
4 4 4 4 4 4 4 4 4 4 4 4 6 6 6 6 6 6 6 |
SCB11 Type 20kV
Product standards
IEC60076
Rated HV: 20(22、24 ) kV
Rated LV: (0.4,0.415)kV
Tap connection range;
Non-exciting regulation (±5%, ±2x2.5% )
On-load regulation (±4x2.5)
connection of transformer winding: Dyn11 or Yyn0
Insulation level ： Ll125AC50/AC5
The main technical parameters
SCB11 Type 20kv
|
Rated capacity（KVA） |
Voltage Combination and tap range |
connection of transformer winding |
No-load loss (w) |
Load loss (W) |
No-load current (%) |
Short circuit impedance (%) |
||
|
High voltage(KV) |
High voltage tap range( %) |
Low voltage(KV) |
||||||
|
50 100 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 |
20 24 22
|
±5% ±2x2.5% |
0.4
|
Dyn11 Yyn0
|
340 540 675 740 845 970 1150 1350 1530 1755 2070 2385 2790 3240 3870 |
1300 2100 2600 3100 3600 4300 5100 6100 7200 8700 10300 12150 14600 17250 20400 |
2.2 2 1.8 1.6 1.6 1.4 1.4 1.4 1.2 1.2 1.1 1.1 1.1 1.0 1.0 |
6 6 6 6 6 6 6 6 6 6 6 6 6 8 8 |
SC(B)11 Type 35kV
35kV non-excited tap-changing transformer
The main technical parameters
SCB11 Type 35kv
|
Rated capacity（KVA） |
Voltage Combination and tap range |
connection of transformer winding |
No-load loss (w) |
Load loss (W) |
No-load current (%) |
Short circuit impedance (%) |
||
|
High voltage(KV) |
High voltage tap range ( %) |
Low voltage(KV) |
||||||
|
800 1000 1250 1600 2000 2500 3150 4000 5000 6300 8000 10000 12500 16000 20000 |
35-38.5
|
±5% ±2x2.5% |
0.4
|
Dyn11 Yyn0
|
2000 2375 2785 3280 3760 4320 5360 6240 7440 8800 10080 11520 14000 17200 20400 |
9900 11500 13600 16300 19200 23000 25800 31000 36800 43000 48500 58500 68000 80000 90000 |
1.1 1.1 1.0 1.0 0.9 0.9 0.8 0.8 0.7 0.7 0.6 0.6 0.5 0.5 0.4 |
6.0 6.0 6.0 6.0 7.0 7.0 8.0 8.0 8.0 8.0 9.0 9.0 9.0 9.0 10.0 |
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