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S11 Oil Immers Distribution Transformer
- 产品描述
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Product Overview
Iron core:
The iron core is made by crystal grain-oriented silicon-steelsheet, GEORG cross cut shear (made in West Germany) isadopted to cut the silicon-steel sheet with a 45yoint seam,fold the sheet into a multistage roll cross-section to reducethe noise and power consumption.
Coil:
cyinder type for high voltage, cylinder type or fet tyoe foroww voltage, this can increase the ability to resist short circuitand strike; and the distribution of magnetc path is moreetional the oil tank is made by fine cold-rolled steel sheets, GEORGOil tank:corrugation oil tank production.line is adopted,to meet environmental needs,then,antiseptic coating material isapplied on the surface, which can meet the requirements forpetroleum and chemical industry (much oil stain and manychemical substances). In addition, the corrugations not anypossess heat radiation function, but also meet therequirement for oil expansion and oil contraction tradernormal performance, The isolation from air guarantees alow aging speed of oil and a long life expectancy oftransformer.
Insulation structure:
oil-immersed distribution transformer adopts A-levelinsulation structure; high voltage coil and low voltage coilare concentric, the space between coils is cardboard sleevesmall oil clearance oil partition structure.
Technical Parameters
Rated Capacity Voltage Combination Vector GroUp No-load Loss Load Loss No-load current Impedan ce Voltage Total Weight Exterior Size Installation center /installation hole (kVA) High voltag e (KV) Tap range Low voltage (kV) (W) (V) (%) (%) (kg) (L*W*H)(mm) (mm) 30 6
6.3
10
10.5
11±5%
Or
±2*2.5%0.4 Ydn0
Or
Dyn11100 630/600 1.8 4.0 335 1030*690*860 400*400/4*φ14 50 130 910/870 1.6 410 1045*700*925 400*400/4*φ14 63 150 1090/1040 1.5 460 1075*710*940 400*400/4*φ14 80 180 1310/1250 1.4 490 1080*715*995 400*400/4*φ19 100 200 1580/1500 1.3 550 1110*730*1020 400*400(550)/4*φ19 125 240 1890/1800 1.2 615 1135*740*1035 400*400(550)/4*φ19 160 280 2310/2200 1.1 695 1155*755*1050 550*550/4*φ19 200 340 2730/2600 1 790 1200*770*1075 550*550/4*φ19 250 400 3200/305 0 0.9 930 1240*800*1100 550*550/4*φ19 315 480 3830/3650 0.8 1110 1240*800*1100 550*550/4*φ19 400 570 4520/4300 0.7 1290 1390*900*1160 660*660/4*φ19 500 680 5410/5150 0.7 1510 1500*990*1195 660*660/4*φ19 630 810 6200 0.6 4.5 1730 1580*1030*1305 660*660/4*φ19 800 980 7500 0.6 2075 1705*1140*1360 820*820/4*φ19 1000 1150 10300 0.5 2490 1730*1290*1395 820*820/4*φ19 1250 1360 12000 0.4 2960 1780*1320*1480 820*820/4*φ19 1600 1640 14500 0.4 3515 1890*1430*1520 820*820/4*φ19 Note:Fortransformers with rated capacity of 500KVA and below,theload loss above the rampin the table is applicable to the Dyn11 connection group,and the load loss below the ramp is applicable to theYyn0 connection group.
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