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China Suppliers Factory Epoxy Resin Cast Dry-Type Transformer SCB11 10kV Modular Design for Easy Maintenance

Introducing the SG(B)13 non-encapsulated dry-type transformer, a product proudly manufactured in China. This transformer features windings created through the advanced Vacuum Pressure Impregnation (VPI) process, ensuring superior quality and performance. As part of the Open Vented Dry Type (OVDT) structure, it offers enhanced cooling efficiencies, Designed to meet high insulation standards, the SG(B)13 typically belongs to the Class H thermal insulation category, with the insulation system operating at temperatures of 180℃. The reference temperature is 145℃, and it supports a winding temperature rise of up to 125K, As a leading factory and supplier in the transformer industry, we are committed to delivering reliable and high-performance solutions. Experience the innovation and quality of our SG(B)13 dry-type transformer today

    ⚡ 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 in High-Safety 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, airports and subways, metallurgy and petrochemical industries, as well as large shopping malls, hospitals and other public places with high pedestrian flow and high fire safety standards. In these scenarios, the transformer can effectively reduce fire risks and ensure the safety of personnel and property.
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    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, which ensures that the insulating material can fully penetrate into every gap of the winding, eliminating air bubbles and moisture in the insulation layer. This not only improves the insulation strength of the winding, but also enhances the bonding force between the conductor and the insulating material, forming a solid integral structure. In addition, the coil compression adopts a pressure block structure, which applies uniform pressure to the coil, ensuring that the winding remains compact and stable during long-term operation.
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    Ultra-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 the frequency of maintenance and downtime and ensuring the continuous and stable operation of the power supply system.
    📋 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
    SGB13-10KV (1)
    SGB13-10KV (2)
    SGB13-10KV (3)
    SGB13-10KV (4)
    SGB13-10KV (5)
    SGB13-10KV (6)
    SGB13-10KV (7)
    SGB13-10KV (8)
    ❓ Frequently Asked Questions
    Q
    What insulating materials are used in the SGB13-10KV transformer, and are they environmentally friendly?
    The SGB13-10KV transformer uses high-quality environmentally friendly insulating materials that are non-toxic, self-extinguishing, flame retardant, and fire resistant. They fully comply with international environmental protection and safety standards. In the event of fire, these materials do not release toxic or harmful gases, and smoke production is negligible.
    Q
    What is the partial discharge level of this transformer series?
    Thanks to the vacuum pressure-impregnation manufacturing process and optimized coil structure, the partial discharge level of this transformer is stably controlled below 5pC. This extremely low level effectively reduces insulation aging and significantly extends the service life of the equipment.
    Q
    What are the typical application scenarios for this transformer?
    This transformer is widely used in environments with high fire protection requirements and heavy load demands, including high-rise buildings, airports, subways, metallurgy and petrochemical facilities, large shopping malls, and hospitals. Its excellent flame retardancy and reliability make it ideal for these critical applications.
    Q
    What rated capacity range does the SGB13-10KV transformer cover?
    The SGB13-10KV transformer series covers a rated capacity range from 30 KVA to 2500 KVA, with short-circuit impedance options of 4.0%, 6.0%, and 8.0%, accommodating a wide variety of industrial and commercial power distribution requirements.
    Q
    What manufacturing process is used to ensure the reliability of the windings?
    The windings undergo strict vacuum pressure-impregnation and curing treatment, ensuring the insulating material fully penetrates every gap and eliminating air bubbles and moisture. A pressure block coil compression structure is also applied to maintain uniform pressure on the coil, keeping the winding compact and stable throughout its service life.
    Q
    Can this transformer operate reliably under full-load or intermittent operation conditions?
    Yes. The transformer is designed to maintain stable and reliable operation under both long-term full-load and intermittent operation conditions. Its robust insulation system and optimized structure eliminate risks of cracking or insulation degradation, reducing maintenance frequency and downtime while ensuring continuous and stable power supply.