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China SCB11 10kV Epoxy Resin Cast Dry-Type Transformer Factory - Easy Maintenance from Top Suppliers
⚡ Product Features
This series of transformers takes safety and reliability as the core design principles, integrating high-performance insulating materials, sophisticated coil structures and advanced manufacturing processes. It can stably operate in complex and harsh working environments, and is widely trusted in fields with high safety and stability requirements.
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🛡 Good Safety Performance: The transformer adopts high-quality environmentally friendly insulating materials, which are carefully selected and strictly tested to ensure that the content of combustible components is minimized. These insulating materials have multiple safety characteristics such as non-toxicity, self-extinguishing, flame retardancy and fire resistance, fully complying with international environmental protection and safety standards. In the event of accidental open fire combustion, the insulating materials will not release toxic or harmful gases, and the smoke production is almost negligible, effectively avoiding secondary hazards such as air pollution and personnel poisoning caused by smoke and toxic gases.
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🏢 Wide Application Scenarios: This outstanding safety performance makes the transformer particularly suitable for key areas with high fire protection requirements and large load demands. Typical application scenarios include:
- High-rise buildings — dense population and complex pipeline layout demand strict fire safety
- Airports & Subways — important transportation hubs with large passenger flow and high reliability requirements
- Metallurgy & Petrochemical industries — harsh environments with flammable/explosive substances requiring excellent flame retardancy
- Shopping malls, hospitals & public places — high pedestrian flow and stringent fire safety standards
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⚙ Advanced Vacuum Pressure-Impregnation Technology: The core manufacturing process adopts vacuum pressure-impregnation technology. The windings are subjected to strict vacuum pressure-impregnation and curing treatment, ensuring the insulating material fully penetrates into every gap of the winding — eliminating air bubbles and moisture in the insulation layer. This improves insulation strength and enhances bonding force between the conductor and the insulating material, forming a solid integral structure. The coil compression adopts a pressure block structure, applying uniform pressure to the coil to ensure the winding remains compact and stable during long-term operation.
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📈 Extremely Low Partial Discharge & Long Service Life: Thanks to the above structural design and manufacturing process, the transformer has an extremely low partial discharge level (stably controlled below 5pC), which can effectively reduce insulation aging caused by partial discharge and prolong the service life of the equipment. During the entire service cycle, the transformer has no risks of cracking, insulation degradation or other common faults, and can maintain stable and reliable operation even under long-term full-load or intermittent operation conditions — reducing maintenance frequency and downtime.
📋 Product Specifications
| Rated Capacity (KVA) | Connection Group Label | Voltage Combination (KV) | No-Load Current (%) | Load Loss (W) | No-Load Loss (W) | Short-Circuit Impedance (%) | ||
|---|---|---|---|---|---|---|---|---|
| High Voltage (H.V.) | H.L. Tap Range | Low Voltage (L.V.) | ||||||
| 30 | Dyn11 / Yyn0 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | ±5% / ±2×2.5% | 0.4 | 2.00 | 760 | 190 | 4.0 |
| 50 | 2.00 | 1070 | 270 | |||||
| 80 | 1.50 | 1480 | 370 | |||||
| 100 | 1.50 | 1690 | 400 | |||||
| 125 | 1.30 | 1980 | 470 | |||||
| 160 | 1.30 | 2280 | 540 | |||||
| 200 | 1.10 | 2710 | 620 | |||||
| 250 | 1.10 | 2960 | 720 | |||||
| 315 | 1.00 | 3730 | 880 | |||||
| 400 | 1.00 | 4280 | 980 | |||||
| 500 | 1.00 | 5230 | 1160 | |||||
| 630 | 0.85 | 6290 | 1340 | |||||
| 630 | 0.85 | 6400 | 1300 | 6.0 | ||||
| 800 | 0.85 | 7460 | 1520 | |||||
| 1000 | 0.85 | 8760 | 1770 | |||||
| 1250 | 0.85 | 10300 | 2090 | |||||
| 1600 | 0.85 | 12500 | 2450 | |||||
| 2000 | 0.70 | 15500 | 3050 | |||||
| 2500 | 0.70 | 18400 | 3600 | |||||
| 1600 | 0.85 | 13900 | 2450 | 8.0 | ||||
| 2000 | 0.70 | 17100 | 3050 | |||||
| 2500 | 0.70 | 20200 | 3600 | |||||
📷 Detail Pictures
❓ Frequently Asked Questions
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Q What makes the SGB13-10KV transformer safe for use in high-rise buildings and public spaces?The SGB13-10KV transformer uses high-quality environmentally friendly insulating materials that are non-toxic, self-extinguishing, flame retardant and fire resistant. In the event of accidental combustion, no toxic or harmful gases are released and smoke production is negligible — making it highly suitable for densely populated environments such as high-rise buildings, hospitals, airports and shopping malls.
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Q What is the partial discharge level of this transformer series?The transformer maintains an extremely low partial discharge level that is stably controlled below 5pC. This significantly reduces insulation aging caused by partial discharge, thereby extending the overall service life of the equipment and ensuring long-term reliable operation.
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Q What manufacturing technology is used for the windings?The windings are processed using vacuum pressure-impregnation (VPI) technology. This ensures the insulating material fully penetrates every gap within the winding, eliminating air bubbles and moisture. The result is enhanced insulation strength, a stronger bond between conductor and insulating material, and a solid integral structure that resists loosening during long-term operation.
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Q What rated capacity range does the SGB13-10KV series cover?The SGB13-10KV series covers a wide rated capacity range from 30 KVA up to 2500 KVA, with short-circuit impedance options of 4.0%, 6.0% and 8.0% depending on the capacity. This makes it adaptable to a broad range of power distribution applications.
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Q What voltage combinations are available for this transformer?The high voltage (H.V.) options include 6 kV, 6.3 kV, 6.6 kV, 10 kV, 10.5 kV and 11 kV, with a tap range of ±5% or ±2×2.5%. The low voltage (L.V.) output is 0.4 kV. Connection group labels available are Dyn11 and Yyn0.
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Q Is this transformer suitable for harsh industrial environments such as metallurgy or petrochemical plants?Yes. The SGB13-10KV transformer is specifically designed to operate stably in complex and harsh working environments. Its excellent flame retardancy, explosion-proof performance and robust insulation structure make it well-suited for metallurgy, petrochemical and other industrial sectors where flammable or explosive substances may be present.