S11 Oil-immersed distribution transformer with off-load tap-changer

S11 Oil Immersed Distribution Transformer with Off Load Tap Changer Improved from S9 series product, S11 series product reduce the no-load loss by 30%,no-load electric current by 70~85%, average temperature by 10K,nosie level by 2~4db, and double the products service life. even under 20% overloads, it can also work for long

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S11 Oil Immersed Distribution Transformer with Off Load Tap Changer 

Improved from S9 series product, S11 series product reduce the no-load loss by 30%,no-load electric current by 70~85%, average temperature by 10K,nosie level by 2~4db, and double the products service life. even under 20% overloads, it can also work for long period of time.
S11 Oil Immersed Distribution Transformer with off Load Tap Changer
S11 Oil Immersed Distribution Transformer with off Load Tap Changer
S11 Oil Immersed Distribution Transformer with off Load Tap Changer


 
Transformers service condition

The height above sea level is below 1000m;
Ambient temperature:
Highest temperature 40ºC,highest daily average temperature 30ºC
Highest annual average temperature 20ºC,lowest outdoor temperature -25ºC


Technical Datas
Rated capacity
(KVA)
Voltage
group(KV)
Vector
group
Impedance voltage(%)(KW)
Loss
No-load current(%)
No-loadLoad
10(HV)
11
10.5
10
6.3
6
(LV)
0.4
0.69
Yyno
Dyn11
40.0650.43.5
200.080.523.0
300.10.63/0.62.3
500.130.91/0.872.0
630.151.09/1.041.9
800.181.31/1.251.9
1000.21.58/1.51.8
1250.241.89/1.81.7
1600.282.31/2.21.6
2000.342.73/2.61.5
2500.43.2/3.051.4
3150.483.83/3.651.4
4000.574.52/4.31.3
5000.685.41/5.151.2
6304.50.816.21.1
8000.967.51.0
10001.1510.31.0
12501.3612.00.9
16001.6414.50.8
20001.9619.80.8
25002.3123.00.7
 Note: High-pressure tap range: ± 5% or ± 2 × 2.5%; Frequency: 50HZ



Outline Drawing

S11 Oil Immersed Distribution Transformer with off Load Tap ChangerS11 Oil Immersed Distribution Transformer with off Load Tap Changer
S11 Oil Immersed Distribution Transformer with off Load Tap Changer
S11 Oil Immersed Distribution Transformer with off Load Tap Changer
S11 Oil Immersed Distribution Transformer with off Load Tap Changer
S11 Oil Immersed Distribution Transformer with off Load Tap Changer
S11 Oil Immersed Distribution Transformer with off Load Tap Changer
S11 Oil Immersed Distribution Transformer with off Load Tap Changer

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