Product Description
The Cast Epoxy Resin Dry-Type Transformer can serve as an upgrade to oil-immersed distribution transformers. It is the most high-performance product among various dry-type transformers and is especially suitable for important locations such as urban power grids, high-rise buildings, business centers, theaters, hospitals, hotels, tunnels, subways, stations, docks, airports, underground power stations, laboratories, and combined substations.
Key Features
High Mechanical Strength: High-voltage windings use copper wire, while low-voltage windings can use copper wire or copper foil. These are wrapped with glass fiber mats and impregnated with epoxy resin under vacuum without fillers. After curing, it forms a solid cylindrical structure with high mechanical strength, minimal partial discharge, and high reliability.
Flame Retardant and Environmentally Friendly: The insulating materials, such as glass fiber, have self-extinguishing properties, preventing arcing due to short circuits. The resin does not emit toxic or harmful gases even at high temperatures.
Moisture Resistance: The coils do not absorb moisture, and the core clamps have a special anti-corrosion protective layer, allowing operation in 100% relative humidity and other harsh environments.
High Short-Circuit and Lightning Impact Resistance: The transformer can withstand high levels of short-circuit and lightning impact.
Efficient Cooling: The resin layers on both the inner and outer sides of the coils are thin, providing good heat dissipation. The cooling method generally uses natural air cooling (AN). For any protection level, a forced air cooling system (AF) can be configured to improve short-term overload capacity and ensure safe operation.
Low Loss and Energy Efficient: The transformer has low losses and good energy-saving effects, resulting in economical operation and maintenance-free.
Compact and Lightweight: The transformer has a small volume, light weight, and occupies less space, leading to lower installation costs. It does not require considerations for oil pits, fire-fighting facilities, or backup power sources.
Safe Installation: Due to its non-flammable and explosion-proof nature, the dry-type transformer can be installed close to load centers, reducing line costs and saving on expensive low-voltage facility expenses.
Durable Enclosure: The casing is made of stainless steel or aluminum alloy. The IP20 rated enclosure prevents the entry of solid objects larger than 12mm, providing additional safety protection for the transformer.
Specifications
|
Model |
SC(B)10, SC(B)11, SC(B)12, SC(B)13, SC(B)14, SC(B)18 |
|
Input Voltage |
10kV, 20kV, 35kV |
|
Output Voltage |
0.4kV |
|
Capacity |
30-2500kVA |
|
Frequency |
50Hz |
SCB10 Series 10kV Three-Phase Dry-Type Transformer with No-Load Voltage Regulation
|
SCB10 Series 10kV Three-Phase Dry-Type Transformer with No-Load Voltage Regulation |
|||||||||
| Rated Capacity (kVA) | Voltage Combination (kV) | Connection Group Number | No-Load Loss (kW) | Load Loss (kW) | No-Load Current (%) | Impedance Voltage (%) | |||
|
High Voltage (kV) |
High Voltage Tap Range (%) |
Low Voltage (kV) |
F (120℃) |
H (145℃) |
|||||
|
30 |
6 |
±5 |
0.4 |
Dyn11 |
0.19 |
0.71 |
0.76 |
2 |
4 |
|
50 |
0.27 |
1 |
1.07 |
2 |
|||||
|
80 |
0.37 |
1.38 |
1.48 |
1.5 |
|||||
|
100 |
0.4 |
1.57 |
1.69 |
1.5 |
|||||
|
125 |
0.47 |
1.85 |
1.98 |
1.3 |
|||||
|
160 |
0.54 |
2.13 |
2.28 |
1.3 |
|||||
|
200 |
0.62 |
2.53 |
2.71 |
1.1 |
|||||
|
250 |
0.72 |
2.76 |
2.96 |
1.1 |
|||||
|
315 |
0.88 |
3.47 |
3.73 |
1.0 |
|||||
|
400 |
0.98 |
3.99 |
4.28 |
1.0 |
|||||
|
500 |
1.16 |
4.88 |
5.23 |
1.0 |
|||||
|
630 |
1.34 |
5.88 |
6.29 |
0.85 |
|||||
|
630 |
1.3 |
5.96 |
6.40 |
0.85 |
6 |
||||
|
800 |
1.52 |
6.96 |
7.46 |
0.85 |
|||||
|
1,000 |
1.77 |
8.13 |
8.76 |
0.85 |
|||||
|
1,250 |
2.09 |
9.69 |
10.3 |
0.85 |
|||||
|
1,600 |
2.45 |
11.7 |
12.5 |
0.85 |
|||||
|
2,000 |
3.05 |
14.4 |
15.5 |
0.7 |
|||||
|
2.500 |
3.6 |
17.1 |
18.4 |
0.7 |
|||||
|
1,600 |
2.45 |
12.9 |
13.9 |
0.85 |
8 |
||||
|
2,000 |
3.05 |
15.9 |
17.1 |
0.7 |
|||||
|
2,500 |
3.6 |
18.8 |
20.2 |
0.7 |
|||||
|
SCB14 Series 10kV Three-Phase Dry-Type Transformer with No-Load Voltage Regulation |
||||||||
|
Rated Capacity (kVA) |
Voltage Combination (kV) |
Connection Group Number |
No-Load Loss (kW) |
Load Loss (kW) |
Impedance Voltage (%) |
|||
|
High Voltage (kV) |
High Voltage Tap Range (%) |
Low Voltage (kV) |
F (120℃) |
H (145℃) |
||||
|
30 |
6 |
±5 |
0.4 |
Dyn11 |
130 |
640 |
685 |
4 |
|
50 |
185 |
900 |
965 |
|||||
|
80 |
250 |
1,240 |
1,330 |
|||||
|
100 |
270 |
1,415 |
1,520 |
|||||
|
125 |
320 |
1,665 |
1,780 |
|||||
|
160 |
365 |
1,915 |
2,050 |
|||||
|
200 |
420 |
2,275 |
2,440 |
|||||
|
250 |
490 |
2,485 |
2,665 |
|||||
|
315 |
600 |
3,125 |
3,355 |
|||||
|
400 |
665 |
3,590 |
3,850 |
|||||
|
500 |
790 |
4,390 |
4,705 |
|||||
|
630 |
910 |
5,290 |
5,660 |
|||||
|
630 |
885 |
5,365 |
5,760 |
6 |
||||
|
800 |
1,035 |
6,265 |
6,715 |
|||||
|
1,000 |
1,205 |
7,315 |
7,885 |
|||||
|
1,250 |
1,420 |
8,720 |
9,335 |
|||||
|
1,600 |
1,665 |
10,555 |
11,320 |
|||||
|
2,000 |
2,075 |
13,005 |
14,005 |
|||||
|
2,500 |
2,450 |
15,445 |
16,605 |
|||||
|
SCB10 Series 20kV Three-Phase Dry-Type Transformer with No-Load Voltage Regulation |
|||||||||
|
Rated Capacity (kVA) |
Voltage Combination (kV) |
Connection Group Number |
No-Load Loss (kW) |
Load Loss (kW) |
No-Load Current (%) |
Impedance Voltage (%) |
|||
|
High Voltage (kV) |
High Voltage Tap Range (%) |
Low Voltage (kV) |
F (120℃) |
H (145℃) |
|||||
|
50 |
20 |
±5 |
0.4 |
Dyn11 |
0.34 |
1.23 |
1.31 |
2 |
6 |
|
100 |
0.54 |
1.99 |
2.13 |
1.8 |
|||||
|
160 |
0.67 |
2.47 |
2.64 |
1.5 |
|||||
|
200 |
0.73 |
2.94 |
3.14 |
1.5 |
|||||
|
250 |
0.84 |
3.42 |
3.66 |
1.3 |
|||||
|
315 |
0.97 |
4.08 |
4.36 |
1.3 |
|||||
|
400 |
1.15 |
4.84 |
5.18 |
1.1 |
|||||
|
500 |
1.35 |
5.79 |
6.19 |
1.1 |
|||||
|
630 |
1.53 |
6.84 |
7.32 |
1 |
|||||
|
800 |
1.75 |
8.26 |
8.84 |
1 |
|||||
|
1,000 |
2.07 |
9.78 |
10.4 |
0.85 |
|||||
|
1,250 |
2.38 |
11.5 |
12.3 |
0.85 |
|||||
|
1,600 |
2.75 |
13.8 |
14.8 |
0.85 |
|||||
|
2,000 |
3.24 |
16.3 |
17.5 |
0.7 |
|||||
|
2,500 |
3.87 |
19.3 |
20.7 |
0.7 |
|||||
|
2,000 |
3.24 |
17.8 |
19.1 |
0.7 |
8 |
||||
|
2,500 |
3.87 |
21.2 |
22.7 |
0.7 |
|||||
|
SCB10 Series 35kV Three-Phase Dry-Type Transformer with No-Load Voltage Regulation |
|||||||||
|
Rated Capacity (kVA) |
Voltage Combination (kV) |
Connection Group Number |
No-Load Loss (kW) |
Load Loss (kW) |
No-Load Current (%) |
Impedance Voltage (%) |
|||
|
High Voltage (kV) |
High Voltage Tap Range (%) |
Low Voltage (kV) |
F (120℃) |
H (145℃) |
|||||
|
50 |
35 |
±5 |
0.4 |
Dyn11 |
0.45 |
1.42 |
1.52 |
2.3 |
6 |
|
100 |
0.63 |
2.09 |
2.23 |
2 |
|||||
|
160 |
0.79 |
2.81 |
3 |
1.5 |
|||||
|
200 |
0.88 |
3.32 |
3.55 |
1.5 |
|||||
|
250 |
0.99 |
3.80 |
4.06 |
1.3 |
|||||
|
315 |
1.17 |
4.51 |
4.82 |
1.3 |
|||||
|
400 |
1.37 |
5.41 |
5.79 |
1.1 |
|||||
|
500 |
1.52 |
6.65 |
7.11 |
1.1 |
|||||
|
630 |
1.86 |
7.69 |
8.23 |
1 |
|||||
|
800 |
2.16 |
9.12 |
9.76 |
1 |
|||||
|
1,000 |
2.43 |
10.4 |
11.1 |
0.75 |
|||||
|
1,250 |
2.83 |
12.7 |
13.6 |
0.75 |
|||||
|
1,600 |
3.24 |
15.4 |
16.5 |
0.75 |
|||||
|
2,000 |
3.82 |
18.2 |
19.5 |
0.75 |
|||||
|
2,500 |
4.45 |
21.8 |
23.3 |
0.75 |
|||||
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