6–37kV Dry Type Distribution Transformer
|
Voltage Range
6–37kV
|
Rated Capacity
20–6300kVA
|
|
Low Voltage
0.4–1.14kV
|
Vector Group
Dyn11 / Yyn0
|
Warranty 1 year
Product Overview
The 6–37kV dry type distribution transformer is manufactured with high-quality insulation materials and does not require oil as a cooling medium. It is safe, environmentally friendly, and easy to maintain.
With a compact structure, stable operation, and excellent heat dissipation performance, this transformer can operate reliably for long periods in high-temperature, humid, and complex environments.
This series is widely used in urban power distribution networks, industrial enterprises, commercial buildings, public facilities, and renewable energy projects. It is mainly used for voltage step-up, step-down, and safe power distribution.
Technical Specifications
| Item | Specification |
|---|---|
| Product Type | Dry Type Distribution Transformer |
| Voltage Range | 6–37kV |
| Rated Capacity | 20–6300kVA |
| Low Voltage | 0.4–1.14kV |
| Vector Group | Dyn11 / Yyn0 |
Technical Parameters
| Product Model | Rated Capacity (kVA) |
No-load Loss (W) |
Load Loss B (100°C) |
Load Loss F (120°C) |
Load Loss H (145°C) |
No-load Current (%) |
Impedance (%) |
|---|---|---|---|---|---|---|---|
| SC(B)-30 | 30 | 105 | 605 | 640 | 685 | 2.0 | 4.0 |
| SC(B)-50 | 50 | 155 | 845 | 900 | 965 | 2.0 | 4.0 |
| SC(B)-80 | 80 | 210 | 1160 | 1240 | 1330 | 1.5 | 4.0 |
| SC(B)-100 | 100 | 230 | 1330 | 1415 | 1520 | 1.5 | 4.0 |
| SC(B)-125 | 125 | 270 | 1565 | 1665 | 1780 | 1.3 | 4.0 |
| SC(B)-160 | 160 | 310 | 1800 | 1915 | 2050 | 1.3 | 4.0 |
| SC(B)-200 | 200 | 360 | 2135 | 2275 | 2440 | 1.1 | 4.0 |
| SC(B)-250 | 250 | 415 | 2330 | 2485 | 2665 | 0.9 | 4.0 |
| SC(B)-315 | 315 | 510 | 2945 | 3125 | 3355 | 0.8 | 4.0 |
| SC(B)-400 | 400 | 570 | 3375 | 3590 | 3850 | 0.8 | 4.0 |
| SC(B)-500 | 500 | 670 | 4130 | 4390 | 4705 | 0.8 | 4.0 |
| SC(B)-630 | 630 | 775 | 4975 | 5290 | 5660 | 0.7 | 4.0 |
| SC(B)-630 | 630 | 750 | 5050 | 5365 | 5760 | 0.7 | 6.0–8.0 |
| SC(B)-800 | 800 | 875 | 5895 | 6715 | 6715 | 0.7 | 6.0–8.0 |
| SC(B)-1000 | 1000 | 1020 | 6885 | 7315 | 7885 | 0.7 | 6.0–8.0 |
| SC(B)-1250 | 1250 | 1205 | 8190 | 8720 | 9335 | 0.7 | 6.0–8.0 |
| SC(B)-1600 | 1600 | 1415 | 9945 | 10555 | 11320 | 0.7 | 6.0–8.0 |
| SC(B)-2000 | 2000 | 1760 | 12240 | 13005 | 14005 | 0.6 | 6.0–8.0 |
| SC(B)-2500 | 2500 | 2080 | 14535 | 15445 | 16605 | 0.6 | 6.0–8.0 |
Note: The above technical data is for reference only. Final parameters may vary according to design requirements, applicable standards, insulation class, ambient temperature and project conditions.
Product Features
Safe & Environmentally Friendly
The oil-free design eliminates oil leakage risks and reduces fire hazards, making it suitable for locations with high safety requirements.
Stable Operation & Low Maintenance
The compact dry type structure offers moisture and high-temperature resistance while eliminating regular oil replacement, helping reduce maintenance costs and downtime.
Low Noise Design
Optimized core and winding structure effectively reduce operating noise, making it suitable for urban and public facilities.
Energy Saving & High Efficiency
High-quality silicon steel sheets and optimized design help reduce no-load loss and load loss.
Factory Test Items
| Test Item | Test Type |
|---|---|
| Insulation Resistance Test | Routine Test |
| Winding DC Resistance Test | Routine Test |
| Voltage Ratio Test | Routine Test |
| Vector Group Test | Routine Test |
| No-load Loss and No-load Current Test | Routine Test |
| Load Loss and Impedance Voltage Test | Routine Test |
| Power Frequency Withstand Voltage Test | Routine Test |
| Induced Withstand Voltage Test | Routine Test |
| Transformer Oil Test | Routine Test |
| Appearance and Nameplate Inspection | Routine Test |
| Packing Inspection Before Shipment | Routine Test |
Applications
Utility Distribution Networks
Reliable transformer solutions for urban and rural power distribution systems, helping ensure stable voltage conversion and continuous power supply.
Industrial Facilities
Suitable for factories, workshops, production lines, mining sites, and industrial power systems that require long-term stable operation.
Renewable Energy Projects
Applied in solar power plants, wind farms, energy storage stations, and microgrid systems for power conversion and distribution.
AI Data Center Power Infrastructure
Suitable for data center campus substations, medium-voltage power intake systems, and reliable power distribution infrastructure supporting high-density computing loads.
Choose a dry-type transformer for indoor, crowded, or high fire-safety environments, and choose an oil-immersed transformer for outdoor, cost-sensitive, or large-capacity applications.
Yes, dry-type transformers usually have a higher unit price, but in applications with strict safety requirements, they are not simply more expensive but the necessary and correct choice.
The real differences lie in insulation system quality, heat dissipation design, and whether the transformer is properly matched to the actual load.
Compared with oil-immersed transformers, dry-type transformers require no oil maintenance, are easier to inspect, and usually have lower daily operation and maintenance costs.
Yes, but they must be properly configured with the right IP protection level, temperature control system, and cooling method based on the actual operating environment.
We help determine whether a dry-type transformer is necessary, avoid capacity selection errors, and optimize the overall power supply cost instead of only supplying equipment.
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