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Jiangxi Chengming Electric Co., Ltd.
Dedicated to providing green and intelligent power equipment solutions for energy transformation.
S11 type 11kV, 20kV, 33kV oil immersed transformers
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Product Description
- 产品描述
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The S11-M fully sealed, oil-immersed power transformer is suitable for use in alternating current power systems with a frequency of 50Hz and a rated working voltage of 35kV or below. It serves as a distribution transformer in industries such as petroleum, metallurgy, chemicals, textiles, and light industry, as well as in environments with high levels of dust. This product adheres to the standards of GB 1094.1-5
S11-M-(50~2500)/11 Three-phase oil-immersed distribution transformer Rated
capacity
（kVA)Voltage Combination Connection
symbolNo-load loss（W) Load loss
（75℃）（W)No-load
current（%）Impedance
voltage（%）High voltage
（kV)Tapping range
（%）Low voltage
（kV)50 11 ±2×2.5
±50.4 Dyn11 130 910/870 1.3 4.0 100 200 1580/1500 1.1 200 340 2730/2600 1.0 250 400 3200/3050 0.90 315 480 3830/3650 0.90 400 570 4520/4300 0.80 500 680 5410/5150 0.80 630 810 6200 0.60 4.5 800 980 7500 0.60 1000 1150 10300 0.60 1250 1360 12000 0.50 1600 1640 14500 0.50 2000 1940 18300 0.40 5.0 2500 2290 21200 0.40 S11-M-(50~2500)/15、20 Three-phase oil-immersed distribution transformer Rated
capacity
（kVA)Voltage Combination Connection
symbolNo-load loss
（W)Load loss
（75℃）（W)No-load
current（%）Impedance
voltage（%）High voltage
（kV)Tapping range
（%）Low voltage
（kV)50 15 20
±2×2.5
±50.4 Dyn11 130 1010/960 2.0 5.5 100 200 1730/1650 1.6 200 340 3000/2860 1.3 250 400 3520/3350 1.2 315 480 4210/4010 1.1 400 570 4970/4730 1.0 500 680 5940/5660 1.0 630 810 6820 0.9 6.0 800 980 8250 0.8 1000 1150 11330 0.7 1250 1380 13200 0.7 1600 1660 15950 0.6 2000 1950 19140 0.6 2500 2340 22220 0.5 S11-M-(50~2500)/33 Three-phase oil-immersed distribution transformer Rated
capacity
（kVA)Voltage Combination Connection
symbolNo-load loss
（W)Load loss
（75℃）（W)No-load
current（%）Impedance
voltage（%）High voltage
（kV)Tapping range
（%）Low voltage
（kV)50 33 ±2×2.5
±50.4 Dyn11 160 1200/1140 1.3 6.5 100 230 2010/1910 1.1 200 340 3320/3160 1.0 250 400 3950/3760 0.95 315 480 4750/4530 0.95 400 580 5740/5470 0.85 500 680 6910/6580 0.85 630 830 7860 0.65 800 980 9400 0.65 1000 1150 11500 0.65 1250 1400 13900 0.60 1600 1690 16600 0.60 2000 1990 19700 0.55 2500 2360 23200 0.55
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