Dry type transformer iron core
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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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