Oil immersed distribution transformers
Oil Immersed Distribution Transformers HV:11KV/22KV/35KV
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Advantage of structure
l We employ spiral coil with longitudinal oil path to make a better interior cooling effect;
l We improve the effective support of the coil’s terminal surface to strengthen the anti-short circuit current capability.
l We employ new hoisting structure and body-positioning frames to guarantee that the long distance transport and movement will be more reliable;
l Canceled the oil tank, the wave wings of tank instead of the tubing as a cooling device, corrugated tank is made of high quality cold press sheet on dedicated machine and enhance the reliability of running.
S11-M Type 6~10 kV
Performance parameters
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 63 80 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 |
11 10.5 10 6.3 6 |
±5% ±2x2.5%
|
0.4 0.69 |
Yyn0 Dyn11
|
100 130 150 180 200 240 280 340 400 480 570 680 810 960 1150 1360 1640 1960 2310 |
630/600 910/870 1090/1040 1310/1250 1580/1500 1890/1800 2310/2200 2730/2600 3200/3050 3830/3650 4520/4300 5410/5150 6200 7500 10300 12000 14500 19800 23000 |
2.3 2.0 1.9 1.9 1.8 1.7 1.6 1.5 1.4 1.4 1.3 1.2 1.1 1.0 1.0 0.9 0.8 0.8 0.7 |
4 4 4 4 4 4 4 4 4 4 4 4 4.5 4.5 4.5 4.5 4.5 5 5 |
Improved from S9 series product, S11 series product reduces the no-load loss by 30%, no-load electric current by 70~85%, average temperature by 10K, noise level by2~4db, and double the products service life. Even under 20% overloads, it can also work for long period of time.
S11-M Type 20kV
Performance parameters
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 taps range (%) |
Low voltage (KV) |
||||||
50 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 |
20 22 24 |
±5% ±2x2.5%
|
0.4
|
Yyn0 Dyn0
|
210 290 340 360 430 510 610 730 860 1040 1230 1440 1760 2120 |
1270/1210 2120/2020 2500/2380 2970/2830 3500/3330 4160/3960 5010/4770 6050/5760 7280/6930 8280 9900 12150 14670 17550 |
2.00 1.80 1.70 1.60 1.50 1.40 1.40 1.30 1.20 1.10 1.00 1.00 0.90 0.80 |
6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 |
l Energy conservation. Compared with the original S11, the average no-load loss reduced by 20% or more, the no-load current is reduced by 25% or more, operating costs dropped by an average of more than 15%.
l Long service life, transformer core with new core material, and greatly reduce the loss significantly extending the life of the transformer.
l Small footprint, the core is made from high quality cold rolled grain oriented silicon steel sheet; high, low voltage winding made of high quality oxygen-free copper wire and multilayer tact process structure; All fasteners are used special relax treatment, the high mechanical strength, and transformer sizes small, light weight, and the fully sealed tank, can be widely used in various environments.
S13-M Type 6~10 kV
Performance parameters
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 63 80 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 |
6 6.3 6.6 10 10.5 11 |
±5% ±2x2.5%
|
0.4 |
Dyn11 Yzn11 Yyn0
|
80 100 110 130 150 170 200 240 290 340 410 480 570 700 830 970 1170 |
630/600 910/870 1090/1040 1310/1250 1580/1500 1890/1800 2310/2200 2730/2600 3200/3050 3830/3650 4520/4300 5410/5150 6200 7500 10300 12000 14500 |
1.8 1.6 1.6 1.5 1.4 1.4 1.3 1.2 1.2 1.1 1.1 1.0 0.9 0.8 0.8 0.7 0.6 |
4 4 4 4 4 4 4 4 4 4 4 4 4.5 4.5 4.5 4.5 4.5 |
Dyn11 Yyn0 |
S13-M Type 20 kV
Performance parameters
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) |
||||||
50 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 |
20 22 24 |
±5% ±2x2.5%
|
0.4 |
Dyn11 Yyn0 |
170 230 270 290 340 410 490 580 690 830 980 1150 1410 1700 |
1270/1210 2120/2020 2500/2380 2970/2830 3500/3330 4160/3960 5010/4770 6050/5760 7280/6930 8280 9900 12150 14670 17550 |
2.0 1.80 1.70 1.60 1.50 1.40 1.40 1.30 1.20 1.10 1.00 1.00 0.90 0.80 |
6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 |
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