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Power transformerSBH15-M type sealed amorphous alloy oil-immersed transformer of class 10kV
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It is applicable for power systems of AC50Hz and rated working voltage up to and including 10kV, used as distribution transformer for enterprises of petroleum, metallurgy, chemical industry, textile industry, light industry, etc, also can be used in some dusty locations. 

Iron core
The core is made of amorphous alloy strips by means of winding, whose no-load loss is only 25% of that of S9 distribution transformer. 

Winding
The winding adopts corrugated oil duct with non-dipping process, bound by shrinkable tape; all windings are of square with rounded angle; taps of HV winding with corresponding tapping voltage shall be led to the tap switch, and the switch shall be installed on the box cover. Power supply must be cut off first when changing the tapping voltage.

Installation of protective device
● Transformers of class 30~2000kVA are equipped with pressure relief valve;
● Gas relay with alarm and tripping terminals is available on request.

Oil temperature measuring device
● All the transformers are equipped with tube holder for glass-stem thermometer that is set on the top of oil tank, and immersed in oil for about 120±10mm;
● 1000~2000kVA transformer is equipped with outdoor signal thermometer;

Transformer oil tank
● Transformer oil tank is composed of corrugated walls with powder painted surface and reinforced with film. Corrugated cooling fin not only has cooling function, but also has “breathing” function, the elasticity of corrugated cooling fin make it adapt to the change of oil volume due to change of temperature. So this hermetically sealed transformer does not have oil conservator, which decreases the height of transformer;   
● The transformer adopts vacuum oil-injection technology during encapsulation that thoroughly removes the moisture from transformer, and keeps the transformer oil from contacting the air. This technology also avoid insulation performance reduction or oil aging due to entering of oxygen or moisture, so it is unnecessary to conduct oil sampling test regularly. 
● Installation height: altitude shall not exceed 1000m
● Ambient temperature: -40℃~40℃

Rated capacity

Voltage combination Connection group  Loss (kV) No-load current  Short-circuit impedance Weight (kg)

Outline dim. (m)

Track gauge vertical/horizontal 
HV LV
(kVA) (kV) Tapping range (kV) symbol No-load On-load(145°) (%) (%) Machine body Oil weight Gross weight H

(mm)

10

11
10.5
10
6.3
6

 

±5%
±2×2.5%
0.4 Dyn11
19 0.35 3.2 4.0 80 70 220 0.79 0.65 0.88 400/400
20 26 0.48 2.7 130 80 290 0.81 0.71 0.90 400/400
30 33 0.60 1.7 170 80 340 0.83 0.79 0.93 400/400
50 43 0.87 1.3 230 100 440 0.88 0.80 0.99 400/400
63 50 1.04 1.2 290 110 530 0.89 0.81 1.02 450/450
80 60 1.25 1.1 330 120 590 0.90 0.82 1.05 450/450
100 75 1.50 1.0 380 140 680 0.96 0.87 1.09 550/550
125 85 1.80 0.9 440 160 790 1.19 0.87 1.13 550/550
160 100 2.20 0.7 520 190 920 1.30 0.96 1.11 550/550
200 120 2.60 0.7 620 220 1070 1.39 1.01 1.11 550/550
250 140 3.05 0.7 730 250 1250 1.48 1.07 1.15 550/550
315 170 3.65 0.5 880 300 1510 1.40 1.05 1.21 550/550
400 200 4.30 0.5 1070 360 1790 1.54 1.08 1.28 550/550
500 240 5.15 0.5 1240 390 2050 1.63 1.14 1.31 660/660
630 320 6.20 0.3 4.5 1570 510 2580 1.67 1.14 1.41 820/820
800 380 7.50 0.3 1880 590 3080 1.89 1.18 1.48 820/820
1000 450 10.30 0.3 2040 690 3370 1.85 1.38 1.58 820/820
1250 530 12.00 0.2 2480 850 4260 2.00 1.54 1.68 820/820
1600 630 14.50 0.2 3010 1070 5180 2.14 1.60 1.75 820/820
2000 750 17.40 0.2 5.0 3540 1150 6180 2.29 1.76 1.87 820/820

Order guide
Please specify the product model, rated capacity, HV/LV rated voltage and high-voltage tapping range, phase number, frequency, connection group symbol and so on in the order.
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