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Epoxy Resin Dry-Type Transformer SCB13 10kV with Forced Air Cooling Continuous Overload Capacity
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products description
This dry-type transformer utilizes advanced material technology and precision manufacturing processes, focusing on optimizing core performance indicators such as energy consumption, noise, insulation, and safety. It meets the high demands of modern power distribution systems for efficiency, environmental protection, and stability, making it widely suitable for industrial plants, commercial buildings, municipal infrastructure, and similar applications. Below is an overview of its four core advantages.
1. Low Loss: The product delivers exceptional energy-saving performance. Its no-load loss is reduced by over 20% compared to traditional SC(B)11 series transformers. The low-loss oriented silicon steel core minimizes hysteresis and eddy current losses, while high-conductivity copper coils reduce load loss. This not only lowers long-term electricity costs but also meets national energy-saving standards. The integral insulation and oil-free design ensures maintenance-free operation throughout its service life.
2. Low Noise: Noise levels are 10-15 decibels below the requirements of professional standard JB/T10088-1999. This is achieved through high-temperature annealing of the core to reduce magnetic noise, optimized winding tension for even electromagnetic force distribution, and vibration-damping rubber pads between the core and clamps. The design makes the transformer suitable for noise-sensitive environments such as residential areas and hospitals.
3. Low Partial Discharge: The transformer achieves an exceptionally low and stable partial discharge level of under 5pC. This is accomplished by using high-performance resin composites prepared via advanced foreign mixing and vacuum film degassing technologies, ensuring material uniformity and eliminating micro-bubbles. Vacuum and pressure casting of both high and low-voltage coils further enhances insulation compactness and reliability.
4. High Safety & Environmental Protection: The coils are vacuum-pressure cast, forming a dense, fully encapsulated resin insulation that is flame-retardant, explosion-proof, and pollution-free. Materials like the glass fiber used in the windings are self-extinguishing. The robust insulation structure prevents arc generation even during short circuits, eliminating risks of fire or explosion. The resin emits no toxic gases under high temperatures, ensuring operator safety and environmental compliance.
Product Specifications
| Rated Capacity (KVA) | No-load Loss (W) | Load Loss (120℃)(W) | No-load Current (%) | Short-circuit Impedance(%) |
| 30 | 165 | 710 | 1.7 | 0.4 |
| 50 | 235 | 1000 | 1.7 | |
| 80 | 320 | 1380 | 1.3 | |
| 100 | 350 | 1570 | 1.3 | |
| 125 | 410 | 1850 | 1.1 | |
| 160 | 475 | 2130 | 1.1 | |
| 200 | 545 | 2530 | 0.9 | |
| 250 | 630 | 2760 | 0.9 | |
| 315 | 770 | 3470 | 0.9 | |
| 400 | 850 | 3990 | 0.9 | |
| 500 | 1015 | 4880 | 0.9 | |
| 630 | 1200 | 5880 | 0.7 | |
| 630 | 1130 | 5960 | 0.7 | 4.5 |
| 800 | 1330 | 6960 | 0.7 | |
| 1000 | 1540 | 8130 | 0.7 | |
| 1250 | 1825 | 9690 | 0.7 | |
| 1600 | 2140 | 11700 | 0.7 | |
| 2000 | 2700 | 14400 | 0.6 | |
| 2500 | 3200 | 17100 | 0.6 |
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FAQ
Find answers to common questions about the SCB13 10kV epoxy resin dry-type transformer, including AN/AF cooling, short-term overload capability, temperature monitoring, enclosure protection and project customization.
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What is the SCB13 10kV dry-type transformer mainly used for?
The SCB13 epoxy resin dry-type transformer is designed for medium-voltage power distribution applications where fire safety, clean operation, and reduced oil-related maintenance are important. Typical applications include: * High-rise buildings * Commercial centers * Airports * Railway stations * Industrial plants * CNC equipment facilities * Data and utility rooms * Infrastructure projects It is particularly suitable for indoor or fire-sensitive locations.
What is the difference between this dry-type transformer and an oil-immersed transformer?
The main difference is that the SCB13 dry-type transformer does not use insulating oil around the core and windings. Instead, the windings are insulated with epoxy resin and cooled by air. This makes it suitable for projects where customers want: * No transformer oil * Lower fire risk * Cleaner indoor installation * Reduced oil-related maintenance * Easier installation near load centers The best transformer type should still be selected according to the project environment and electrical requirements.
What voltage and capacity can be customized?
This product is designed for **10kV-class systems**, while the transformer capacity and secondary voltage can be configured according to the project requirements. Please provide: * Required kVA capacity * Primary voltage * Secondary voltage * Frequency * Load information Our technical team can then review the correct transformer configuration.
What is the difference between AN and AF cooling?
**AN means Air Natural cooling**, where the transformer relies on natural air circulation for heat dissipation. **AF means Air Forced cooling**, where cooling fans are used to increase airflow around the transformer. Forced air cooling can improve heat dissipation and provide additional short-term loading capability when required.
Can forced air cooling increase the transformer capacity?
Forced air cooling can increase the transformer's short-term load capability by improving heat dissipation. However, overload operation should be evaluated carefully because load losses and temperature rise increase as the load rises. The transformer should not be assumed to operate continuously at overload for long periods unless the design and technical specification specifically allow it.
Does the SCB13 transformer require regular maintenance?
Dry-type transformers generally require less routine maintenance than oil-immersed transformers because there is no transformer oil to inspect or replace. However, periodic inspection is still recommended for: * Dust accumulation * Cooling fans * Ventilation passages * Electrical connections * Temperature control system * Insulation condition * Abnormal noise or vibration Keeping the cooling passages clean is especially important for reliable operation.
How is the winding temperature monitored?
The transformer can be equipped with a temperature monitoring and control system. Depending on the configuration, the system can provide: * Winding temperature display * Over-temperature alarm * Automatic fan start and stop * High-temperature trip signal * Remote monitoring interface This helps protect the transformer against overheating caused by overload or abnormal operating conditions.