Dry-Type Power Transformer
Standards
GB / IEC 60076
Testing
Routine report
Origin
China
Dry-Type Power Transformers
Type SG(B) Dry-Type Transformer
The structural design of the dry-type transformer is well-crafted. The windings are arranged in an orderly manner, and multi-colored wires such as yellow, green, and red clearly distinguish the phases, facilitating installation and maintenance. It adopts a modular component layout, with tight connections between various parts. This not only ensures the reliability of electrical connections but also provides convenience for later maintenance. The overall structure achieves a good balance between stability and operability.
- Product type
- Dry-Type Power Transformer
- Rated capacity
- 30-2,500 kVA
- Voltage class
- 10 kV / 20 kV / 35 kV
- Insulation
- Cast epoxy resin, Class F/H
- Cooling
- AN / AF
- Winding
- Copper or aluminium (project-specific)
Final ratings, losses, impedance and dimensions are confirmed on the approved datasheet. Website values are for family selection.
- Routine test report with the unit
- English GA drawing and O&M manual
- Copper or aluminium winding options
- 50 Hz / 60 Hz and harsh-site options
Product overview
Structural Design and Process Features
The structural design of the dry-type transformer is well-crafted. The windings are arranged in an orderly manner, and multi-colored wires such as yellow, green, and red clearly distinguish the phases, facilitating installation and maintenance. It adopts a modular component layout, with tight connections between various parts. This not only ensures the reliability of electrical connections but also provides convenience for later maintenance. The overall structure achieves a good balance between stability and operability.
Core Performance and Technical Advantages
This dry-type transformer has excellent electrical performance, high mechanical strength, and strong short-circuit resistance, which can effectively cope with impact loads in the power system. At the same time, it has the characteristics of low loss and low noise, with significant energy-saving effects. The matched heat dissipation components can help the equipment operate stably under high-load conditions. With good thermal stability and small partial discharge, the reliability and service life of the transformer are strongly guaranteed.
Applicable Scenarios and Value Manifestation
Due to its advantages of safety, fire resistance, no pollution, and low maintenance workload, this dry-type transformer is widely used in places with strict requirements for fire and explosion protection, such as large commercial buildings, hospitals, and chemical enterprises. In addition, its small size and light weight can also reduce installation space and costs, efficiently adapting to high-load power consumption scenarios and providing solid support for the stable and efficient operation of the power system.
Design features
What the design is built around
Cast-resin insulation
Epoxy resin encapsulation protects windings from dust, humidity and accidental contact.
Fire-safe design
No insulating oil is used, making the unit suitable for indoor and fire-sensitive buildings.
Low partial discharge
Vacuum casting and controlled curing keep partial discharge low over the service life.
Low noise
Core and clamping design reduce structure-borne noise for hospitals, offices and data centres.
Typical specification
Specifications to confirm on the datasheet
| Product type | Dry-Type Power Transformer |
|---|---|
| Rated capacity | 30-2,500 kVA |
| Voltage class | 10 kV / 20 kV / 35 kV |
| Insulation | Cast epoxy resin, Class F/H |
| Cooling | AN / AF |
| Winding | Copper or aluminium (project-specific) |
| Standards | GB 1094.1, GB/T 6451, IEC 60076-11 |
| Testing | Routine tests, partial discharge and temperature-rise type tests |
The table is a family-level starting point. The approved datasheet fixes the guaranteed values, drawing dimensions and test plan for the specific order.
Typical applications
- Data centres and telecom rooms
- Hospitals and laboratories
- Commercial buildings and shopping malls
- Industrial plants with fire restrictions
- Metro, airport and public infrastructure
Confirm before ordering
- Rated capacity, voltage ratio and tap range
- Impedance, fault level and parallel operation
- Ambient temperature, altitude and enclosure
- Winding material, losses and efficiency class
- Terminations, protection and monitoring
- Tests, inspection, packing and shipping limits
Buyer questions
FAQ for Type SG(B) Dry-Type Transformer
What is Type SG(B) Dry-Type Transformer best used for?
What is the typical lead time for Type SG(B) Dry-Type Transformer?
Which standards and tests apply to dry-type transformers?
Can a dry-type transformer be installed outdoors?
How do I choose between copper and aluminium windings?
Related models
Other configurations in this family
Dry-Type Power Transformer
35 kV High Voltage Dry-Type Transformer
This product is safe and reliable, featuring strong short-circuit resistance, fire resistance and pollution-free operation. It is…
View model
Dry-Type Power Transformer
New Energy Dry-Type Transformer
The new energy dry-type transformer is a dedicated power equipment specially designed for new energy projects such as photovoltaic…
View model
Dry-Type Power Transformer
Silicone Rubber Dry-Type Transformer
New National Standard Level 2 Energy Efficiency , An Energy-Saving Tool for Power Distribution Scenarios
View model
Dry-Type Power Transformer
Structural Innovation of Type SC(B)
Dry-type transformers feature low loss and low noise, with significant energy-saving effects. They are maintenance-free, exhibit e…
View model
Dry-Type Power Transformer
Structural Innovation of Type SCB
Dry-type transformers feature low loss and low noise, with remarkable energy-saving effects and no need for maintenance. They have…
View model
Dry-Type Power Transformer
Technical Characteristics of Type SC(B)H
Amorphous alloy core is adopted, with no-load loss and current only 30% of that of silicon steel sheets. The no-load loss is 75% l…
View modelProject inquiry
Tell us what the transformer has to do.
Load, voltage class, site conditions, standards and required documents are enough to start. We reply through the inquiry thread.