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distribution transformer

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Category: Electrical Equipment - Power Transmission & Transformers
Country: China
Contact E-mail: view
Description
S11 Series 6kV-35kV power Transformer With Off Circuit Tap Changer
power oill transformer
high voltage step up transformer
distribution transformer
The products implement the National Standard GB1094-2013 Power Transformer and GB / T6451-2015 Three-phase Oil-immersed Power Transformer Technical Parameters and Requirements, and are recommended as the major equipment products for the national urban and rural power grid construction and retrofit by the State Economic and Trade Commission.
Product Description
The products implement the National Standard GB1094-2013 Power Transformer and GB / T6451-2015 Three-phase Oil-immersed Power Transformer Technical Parameters and Requirements, and are recommended as the major equipment products for the national urban and rural power grid construction and retrofit by the State Economic and Trade Commission.
S11 series transformer adopts high quality material for copper winding, especially applying the new technology and new material for the coil insulation and active parts, thus the no-load and the load loss are obviously reduced, the performance and structure are more reliable and superior.

Product Features
● Good Economic Performance
The no-load loss for S11 series products decreased 10.3% averagely, no-load current decreased 22.4% based on S9 series.
● Long Service Life
Transformer tank adopts hermetical structure, tank and tank cover can be connected by bolts or welded firmly, the transformer oil won’t contact with air, so that extend the service life effectively.
● High Operation Reliability
Improve the relevant sealing parts for the tank, increase the reliability and advance the technical level to ensure the reliability of the seal.
● Small Installation Area
S11-M series transformer tank uses the corrugated plate radiator. When the oil temperature changes, the corrugated plate will proceed thermal expansion, which can replace the role of the oil conservator. the corrugated plate tank has beautiful appearance, less occupied area.
Table 1: 6Kv, 10kV & 30kVA-2500kVA Power Transformer With Off Circuit Tap Changer
Rated Capacity (kVA) Voltage Combination Connection Group Symbol No-load Loss R(W) Load Loss R(W)75℃ Impedance Voltage (%) No-load Current(%) Length L(mm) Width W (mm) Height H(mm) Gauge Horizontal*Vertical(mm) Active parts Weight(Kg) Oil Weight(Kg) Total Weight(Kg)
(KV) High Voltage Tapping Range of High Voltage (KV)Low Voltage
30 66.31010.5 ±5%±2×2.5% 0.4 Dyn11Yzn11Yyn0 100 630/600 4.0 2.8 980 735 1145 400*400 178 78 355
50 130 910/870 2.5 1017 758 1205 450*400 240 92 415
63 150 1090/1040 2.4 1035 785 1285 450*400 285 105 505
80 180 1310/1250 2.2 1065 800 1290 450*400 330 110 540
100 200 1580/1500 2.1 1072 820 1305 450*400 345 116 590
125 240 1890/1800 2.0 1155 1105 1310 450*550 415 135 705
160 280 2310/2200 1.9 1235 850 1535 550*550 485 155 835
200 340 2730/2600 1.8 1282 860 1557 550*550 582 168 965
250 400 3200/3050 1.7 1310 940 1605 550*550 695 210 1135
315 480 3830/3650 1.6 1465 1120 1915 660*650 855 255 1520
400 570 4520/4300 1.5 1440 1165 1725 660*660 950 295 1590
500 680 5410/5150 1.4 1510 1250 1845 660*650 1150 320 1905
630 810 6200 1.3 1650 1140 1920 660*650 1500 435 2015
800 980 7500 4.5 1.2 2125 1175 2315 820*820 1910 760 3510
1000 1150 10300 1.1 2150 1380 2570 820*820 2125 880 3850
1250 1360 12000 1.0 2355 1485 2570 820*820 2605 960 4610
1600 1640 14500 0.9 2385 1750 2630 820*820 3125 1150 5420
2000 1940 18300 5.0 0.4 1940 1400 1700 820*820 2420 780 4200
2500 2290 21200 0.4 2050 1480 1800 820*820 2560 880 4680
Notes:
1. The Dimension and weight will be changed according to the requirements. These two data in the table will be subject to the factory documents.
2. For the transformer of rated capacity up to 500kVA, the value of load loss above the oblique line in the table is applicable to the connection group Dyn11 or Yzn11. The value of load loss under the oblique line is applicable to the connection group Yyn0.

 
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