S-M-.RL Series Three-dimensional Wound Core Oil-immersed Distribution Transformer

S-M-.RL Series Three-dimensional Wound Core Oil-immersed Distribution Transformer

真人赌场体验 www.ruikanwuliu.com The oil-immersed transformer with three-dimensional wound core is a new high-reliability transformer with more reasonable structure, more superior performance and much lower manufacturing cost. Breaking through the traditional planar structure, the product adopts three-phase symmetrical three-dimensional structure, featuring no air gap in magnetic circuit, consistency of electro-conducting direction and magnetic circuit direction of silicon steel strip, and the shortest magnetic circuit.


1. Brief Description
With the increase of power load, the disadvantages of original 10kV power distribution system will appear such as small capacity, large loss, short power supply radius, and occupation of many channels and much land, and the contradiction between the construction of power distribution network and the use of land resources is increasingly highlighted. 10KV power distribution system has been unable to meet the requirements, and increasing the voltage from 10KV to 20KV may result in a 75% reduction of line energy loss and a 60% increase of power supply radius, as well as save the transformer substation number and land and reduce the line and corridor lamp resources. In the process of transforming from 10KV system to 20KV system, there is such situation that the 10KV power supply system needs to be transformed to 20KV system after it is used for a short period of time. This product may convert between 10KV and 20KV voltages, and the user doesn’t need to make second input, thus saving the investment. 

2. Application Scope
The product applies to the areas where the load density is high and the power demand grows rapidly, the emerging areas or the areas where the infrastructure of present power grid is weak. 

3. Model Description
 

4. Standards
GB1094.1, GB1094.2, GB1094.3, GB1094.5
IEC 60076-1:2000, IEC 60076-2:1993, IEC 60076-3:2000, IEC 60076-5:2006,
GB/T 25289, etc

5. Normal Service Conditions
Height above sea level: Not greater than 1,000m;
Ambient temperature: Maximum temperature: +40℃;
Maximum daily average temperature: +30℃;
Maximum annual average temperature: +20℃;
Minimum outdoor temperature: -25℃;
Installation environment: ground acceleration caused by earthquake: ag<2m/s

6. Features
1. Thanks to the built-in voltage conversion switch, the transformer may realize conversion between 10KV and 20KV voltage classes. 
2. The junction group remains unchanged after voltage conversion, and there are no idle turns when the transformer runs at either voltage. 
3. As the low voltage adopts copper foil winding, the electric field distribution of transformer is uniform. The low-voltage inner frame adopts formed hard paper tube, while the high-voltage outer half lap is wound with tasteless glass adhesive tape layer by layer. The compression pad adopts the laminated wood, thus enhancing the mechanical strength of the transformer. The transformer uses vacuum oil filling, which may totally eliminate the bubble in the coil, so as to improve overall the ability of the transformer to withstand the sudden short circuit.
4. The tank rim adopts stainless steel bolts, with beautiful appearance. 
5. The sealing elements adopt formed parts, with the sealing reliability of the transformer enhanced.

S-M-.RL Series 10/20kV Three-dimensional Wound Core  Oil-immersed Distribution Transformer 
S13-M.RL Series  30~1600KVA Three-dimensional triangular coiled iron core oil-immersed transformer technical parameters
Rated Capacity/KVA Rated Voltage Vector Group No-load loss(W) No-load current % Load loss(75℃) W Short-circuit impedance % Weight Kg Track gauge(mm)
Horizontal*Vertical(A*B)
External dimension 
Length*Width*Height
mm
High Voltage KV High Voltage Tap Range Low Voltage KV Net weight Oil weight Total weight
30 6
6.3
10
10.5
11
±5%
or
±2
x2.5%
0.4 Dyn11
or
Yyn0
80 0.30 630/600 4.0 140 90 335 350*500 820*710*1045
50 100 0.24 910/870 190 105 420 350*550 830*720*1115
80 130 0.22 1310/1250 270 135 545 350*600 920*790*1180
100 150 0.21 1580/1500 300 145 585 350*600 930*800*1210
125 170 0.20 1890/1800 355 155 660 350*600 950*820*1225
160 200 0.19 2310/2200 425 170 760 400*650 960*840*1285
200 240 0.18 2730/2600 500 205 920 400*700 1130*980*1340
250 290 0.17 3200/3050 585 220 1025 400*700 1150*1000*1390
315 340 0.16 3830/3650 700 245 1200 450*750 1245*1075*1330
400 410 0.16 4520/4300 835 280 1410 450*750 1280*1130*1370
500 480 0.16 5410/5150 1020 330 1690 450*750 1355*1185*1450
630 570 0.15 6200 4.5 1280 380 2000 550*850 1380*1200*1520
800 700 0.15 7500 1580 420 2440 550*850 1500*1310*1540
1000 830 0.14 10300 1800 510 2920 660*950 1610*1390*1570
1250 970 0.13 12000 2150 570 3400 820*1000 1660*1440*1650
1600 1170 0.12 14500 2620 650 4060 820*1000 1680*1450*1780

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