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S□-ML Series
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  • S□-ML Series
  • S□-ML Series

S□-ML Series

1. Overload protection
2. Short circuit protection
3. Controlling
4. Used in residential building, non-residential building, energy source industry and infrastructure.
5. According to the type of instantaneous release classified as follows : type B(3-5)ln, type C(5-10)ln, type D(10-20)ln

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Product Details

S口-ML Series Three-dimensional Wound Core Oil-immersed Transformer

S □ -ML series three-dimensional wound core oil immersed transformer produced by the company is a new generation transiom product with more reasonable structure, lower operation noise, better performance and stronger reliabilty. The product breaks through the traditional plane structure and adopts

three-phase symmetrical three-dimensional structure. The three cores are arranged in an equilateral triangle, and the length of the three magnetic circuits is consistent. lt has the characteristics of high efficiency and low loss. lt can save a lot of power consumption and operating costs,and has significant

social benefits.It has been widely used in power plants,substations, industrial and mining enterprises, ports, airports and other places.

Standard:IEC 60076-1, IEC60076-2, IEC 60076-3, IEC 60076-5, IEC 60076-10.

Standard

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Operating conditions

1. Ambient temperature:maximum temperature:+40°C, minimum temperature:-25℃ .

2. Average temperature of the hottest month:+30℃, average temperature in the hottest year:+20℃ .

3. Altitude not exceeding 1000m.

4. The waveform of the power supply voltage is similar to a sine wave.

5. The three-phase supply voltage should be approximately symmetrical.

6. The total harmonic content of the load current shall not exceed 5% of the rated current.

7. Where to use: indoors or outdoors.

Features

1. Optimized magnetic circuit design: the three-phase magnetic circuit length of three-dimensional wound core is completely equal, the sum of the three-phase magnetic circuit length is the shortest, the three-phase magnetic circuit is completely symmetrical, and the three-phase no-load current is

completely balanced.

2. Low loss and remarkable energy-saving effect: the magnetization direcfion of three-dimensional coil core is completely consistent with the rolling direction of silicon steel sheet, the magnetic fux distribution is uniform throughout the magnetic circuit, and there is no obvious distorfioroft magnetic

fluxdensity in high resistance area and joint. On the premise of the same material, the process coefficient of core loss is significantly lower than that of laminated core, the core loss can be reduced by 10%-20%, and the no-load loss can be reduced by 25%-35%.

3. Low noise: as the three-dimensional core is made of slicon steel strip in a speciadl cor winding machine, there is no seam, so it will not produce the noise caused by the magnetic circuit discontinuity as the laminated core. Therefore, the voice of the product is greatly reduced, almost reaching the state of

environmental protection mute, which is most suitable for indoor and residential use.

4. Strong overload capacity: the no-load loss and no-load current of this type of transformer are very small, so the calorific value of the product itself is vey low;in addition, the three-phase coils are arranged in three rectangle structure, forming a central natural airway-"exhaust chimney" between the coils.

Because the temperature difference between the upper and lower yokes is 30-40 ℃ , strong air convection is generated, and the cold air is replenished from below to the central channel, the heat radiates out from the inner slope of the upper yoke, and the heat generated by the transformer is quickly taken

away in the natural circulation.

5. Compact structure and small occupation: the three-dimensional iron core makes the product compact in structure, the plane occupation area of the body is reduced by 10-15% compared with the traditional products, and the body height is reduced by 10- 20%.

S11-ML technical data

Rated
capacity
(KVA)
Voltage combination Connection group label No-load loss(W) Load   loss(W) No-load
current
(%)
Short circuit
impedance
(%)
Sound
power
level
(dB)
Dimensions Total
weight
(kg)
High
voltage
(KV)
Tapping
range
Low
voltage
(KV)
L W H
30 6
6.3
6.6
10
10.5
11
±5
±2×2.5
0.4 Dyn11
Yyn0
Yzn11
100 630/600 0.3 4 48 945 815 920 290
50 130 910/870 0.24 48 910 655 1030 390
63 150 1090/1040 0.23 48 1005 870 995 395
80 180 1310/1250 0.22 49 1025 705 970 455
100 200 1580/1500 0.21 49 1095 750 990 515
125 240 1890/1800 0.2 50 1105 955 1085 585
160 280 2310/2200 0.19 50 940 830 1100 630
200 340 2730/2600 0.18 52 1070 925 1050 745
250 400 3200/3050 0.17 52 1160 1005 1150 915
315 480 3830/3650 0.16 54 1130 980 1185 995
400 570 4520/4300 0.16 54 1285 1110 1260 1205
500 680 5410/5150 0.16 56 1300 1125 1335 1435
630 Dyn11
Yyn0
810 6200 0.15 4.5 56 1400 1215 1410 1790
800 980 7500 0.15 58 1480 1285 1400 2080
1000 1150 10300 0.14 58 1600 1295 1610 2500
1250 1360 12000 0.13 60 1605 1330 1660 2985
1600 1640 14500 0.12 60 1730 1485 1675 3745
2000 1940 18300 0.11 5 62 1850 1605 1795 4775
2500 2290 21200 0.11 62 1910 1655 1835 5225

Note:the load loss values above the diagonal line in the table are applicable to the Dyn11 or Yzn11 coupling group,and the load loss values below the diagonal line are applicable to theYyn0 coupling group.

Capacity (KVA) Installatuon dimensions Low voltage line terminal Low voltage 0 line terminal
E1 E2 D Grapical b b1 d f Grapical b b1 d f
30 380 550 19 2 35 26 12.5 8 2 35 26 12.5 8
50 380 550 19 2 35 26 12.5 8 2 35 26 12.5 8
63 380 550 19 2 35 26 12.5 8 2 35 26 12.5 8
80 380 550 19 2 35 26 12.5 8 2 35 26 12.5 8
100 380 550 19 2 35 26 12.5 8 2 35 26 12.5 8
125 400 660 19 2 35 26 12.5 8 2 35 26 12.5 8
160 400 660 19 2 35 26 12.5 8 2 35 26 12.5 8
200 400 660 19 2 35 26 12.5 8 3 35 26 12.5 8
250 400 660 19 3 46 26 12.5 10 3 46 26 12.5 10
315 550 820 19 3 46 26 12.5 10 3 46 26 12.5 10
400 550 820 19 3 46 26 12.5 10 3 46 26 12.5 10
500 550 820 19 4 80 45 14.5 13 4 80 45 14.5 13
630 550 820 19 4 80 45 14.5 13 4 80 45 14.5 13
800 550 820 19 4 80 45 14.5 13 4 80 45 14.5 13
1000 550 1070 19 4 90 45 18 17 4 80 45 14.5 13
1250 550 1070 19 4 100 45 18 17 4 80 45 14.5 13
1600 550 1070 19 4 100 45 18 17 4 100 45 18 17
2000 600 1300 19 4 100 45 18 17 4 100 45 18 17
2500 600 1300 19 4 125 50 19 15 4 100 45 18 17

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Note:The dimensions and weights provided are only for reference in design and selection.The final size and weight are subject to our prodtect drawings.

S13-ML technical data

Rated
capacity
(KVA)
Voltage combination Connection group label No-load loss(W) Load   loss(W) No-load
current
(%)
Short circuit
impedance
(%)
Sound
power
level
(dB)
Dimensions Total
weight
(kg)
High
voltage
(KV)
Tapping
range
Low
voltage
(KV)
L W H
30 6
6.3
6.6
10
10.5
11
±5
±2×2.5
0.4 Dyn11
Yyn0
Yzn11
80 630/660 0.3 4 48 695 650 890 257
50 100 910/870 0.24 48 745 680 915 335
63 110 1090/1040 0.23 48 945 820 1020 400
80 130 1310/1250 0.22 49 1045 705 995 490
100 150 1580/1500 0.21 49 890 795 1005 490
125 170 1890/1800 0.2 50 905 815 1040 620
160 200 2310/2200 0.19 50 1120 800 1105 775
200 240 2730/2600 0.18 52 1075 930 1115 780
250 290 3200/3050 0.17 52 1140 990 1220 985
315 340 3830/3650 0.16 54 1145 990 1275 1150
400 410 4520/4300 0.16 54 1260 945 1250 1250
500 480 5410/5150 0.16 56 1320 1140 1325 1505
630 Dyn11
Yyn0
570 6200 0.15 4.5 56 1525 1320 1490 2400
800 700 7500 0.15 58 1500 1300 1485 2470
1000 830 10300 0.14 58 1585 1370 1540 2695
1250 970 12000 0.13 60 1670 1445 1650 3245
1600 1170 14500 0.12 60 1735 1505 1760 3995
2000 1550 18300 0.11 5 62 1890 1620 1720 4800
2500 1830 21200 0.11 62 1940 1670 1860 5540

Note:the load loss values above the diagonal line in the table are applicable to the Dyn11 or Yzn11 coupling group,and the load loss values below the diagonal line are applicable to theYyn0 coupling group.

Capacity (KVA) Installatuon dimensions Low voltage line terminal Low voltage 0 line terminal
E1 E2 D Grapical b b1 d f Grapical b b1 d f
30 380 550 19 2 35 26 12.5 8 2 35 26 12.5 8
50 380 550 19 2 35 26 12.5 8 2 35 26 12.5 8
63 380 550 19 2 35 26 12.5 8 2 35 26 12.5 8
80 380 550 19 2 35 26 12.5 8 2 35 26 12.5 8
100 380 550 19 2 35 26 12.5 8 2 35 26 12.5 8
125 400 660 19 2 35 26 12.5 8 2 35 26 12.5 8
160 400 660 19 2 35 26 12.5 8 2 35 26 12.5 8
200 400 660 19 2 35 26 12.5 8 3 35 26 12.5 8
250 400 660 19 3 46 26 12.5 10 3 46 26 12.5 10
315 550 820 19 3 46 26 12.5 10 3 46 26 12.5 10
400 550 820 19 3 46 26 12.5 10 3 46 26 12.5 10
500 550 820 19 4 80 45 14.5 13 4 80 45 14.5 13
630 550 820 19 4 80 45 14.5 13 4 80 45 14.5 13
800 550 820 19 4 80 45 14.5 13 4 80 45 14.5 13
1000 550 1070 19 4 90 45 18 17 4 80 45 14.5 13
1250 550 1070 19 4 100 45 18 17 4 80 45 14.5 13
1600 550 1070 19 4 100 45 18 17 4 100 45 18 17
2000 600 1300 19 4 100 45 18 17 4 100 45 18 17
2500 600 1300 19 4 125 50 19 15 4 100 45 18 17

0

Note:The dimensions and weights provided are only for reference in design and selection.The final size and weight are subject to our prodect drawings.

S14-ML technical data

Rated
capacity
(KVA)
Voltage combination Connection group label No-load loss(W) Load   loss(W) No-load
current
(%)
Short circuit
impedance
(%)
Sound
power
level
(dB)
Dimensions Total
weight
(kg)
High
voltage
(KV)
Tapping
range
Low
voltage
(KV)
L W H
30 6
6.3
6.6
10
10.5
11
±5
±2×2.5
0.4 Dyn11
Yyn0
Yzn11
80 505/480 0.3 4 48 695 650 890 257
50 100 730/695 0.24 48 745 680 915 335
63 110 870/830 0.23 48 945 820 1020 400
80 130 1050/1000 0.22 49 1045 705 995 490
100 150 1260/1200 0.21 49 890 795 1005 490
125 170 1510/1440 0.2 50 905 815 1040 620
160 200 1850/1760 0.19 50 1120 800 1105 775
200 240 2180/2080 0.18 52 1075 930 1115 780
250 290 2560/2440 0.17 52 1140 990 1220 985
315 340 3060/2920 0.16 54 1145 990 1275 1150
400 410 3610/3440 0.16 54 1260 945 1250 1250
500 480 4330/4120 0.16 56 1320 1140 1325 1505
800 Dyn11
Yyn0
570 4960 0.15 4.5 56 1525 1320 1490 2400
700 6000 0.15 58 1500 1300 1485 2470
1000 830 8240 0.14 58 1585 1370 1540 2695
1250 970 9600 0.13 60 1670 1445 1650 3245
1600 1170 11600 0.12 60 1735 1505 1760 3995
2000 1550 14600 0.11 5 62 1890 1620 1720 4800
2500 1830 16900 0.11 62 1940 1670 1860 5540

Note:the load loss values above the diagonal line in the table are applicable to the Dyn11 or Yzn11 coupling group,and the load loss values below the diagonal line are applicable to theYyn0 coupling group.

Capacity (KVA) Installatuon dimensions Low voltage line terminal Low voltage 0 line terminal
E1 E2 D Grapical b b1 d f Grapical b b1 d f
30 380 550 19 2 35 26 12.5 8 2 35 26 12.5 8
50 380 550 19 2 35 26 12.5 8 2 35 26 12.5 8
63 380 550 19 2 35 26 12.5 8 2 35 26 12.5 8
80 380 550 19 2 35 26 12.5 8 2 35 26 12.5 8
100 380 550 19 2 35 26 12.5 8 2 35 26 12.5 8
125 400 660 19 2 35 26 12.5 8 2 35 26 12.5 8
160 400 660 19 2 35 26 12.5 8 2 35 26 12.5 8
200 400 660 19 2 35 26 12.5 8 3 35 26 12.5 8
250 400 660 19 3 46 26 12.5 10 3 56 26 12.5 10
315 550 820 19 3 46 26 12.5 10 3 56 26 12.5 10
400 550 820 19 3 46 26 12.5 10 3 56 26 12.5 10
500 550 820 19 4 80 45 14.5 13 4 80 45 14.5 13
630 550 820 19 4 80 45 14.5 13 4 80 45 14.5 13
800 550 820 19 4 80 45 14.5 13 4 80 45 14.5 13
1000 550 1070 19 4 90 45 18 17 4 80 45 14.5 13
1250 550 1070 19 4 100 45 18 17 4 80 45 14.5 13
1600 550 1070 19 4 100 45 18 17 4 100 45 18 17
2000 600 1300 19 4 100 45 18 17 4 100 45 18 17
2500 600 1300 19 4 125 50 19 15 4 100 45 18 17

0

Note:The dimensions and weights provided are only for reference in design and selection.The final size and weight are subject to our prodect drawings.

 

 

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