SCB Series 20kV Energy-Efficient Dry-Type TransformerTransformer
The SCB series 20kV transformer is a state-of-the-art solution with a capacity of up to 25,000kVA. It is designed for high efficiency and reliability in three-phase power systems.
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Featuring robust overload capacity and maintenance-free operation, its vacuum-cast construction ensures protection against harsh environments, complying with all major international and domestic standards.
Core Advantages & Features
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High Safety Resin CastingVacuum-cast with Class H flame-retardant epoxy resin, ensuring a smooth surface and strong mechanical integrity.
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Superior Moisture & Short-Circuit ResistanceOperates reliably under 100% humidity with robust structural stability.
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Automated Manufacturing PrecisionThe intelligent shearing and stacking process achieves a 5 dB noise reduction and 5% lower no-load losses.
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Convenient CommissioningNo preheating or dehumidification required during startup or intermittent use.
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Compact & Reliable DesignLightweight, crack-free structure with low partial discharge and stable operation.
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High Electrical StrengthDelivers high insulation levels and excellent lightning impulse withstand capability.
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High Overload CapacityOperates at 150% rated load under forced-air cooling; maintenance-free with efficient heat dissipation.
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Safe & Eco-Friendly StructureFlame-retardant, explosion-proof, and environmentally sustainable; installable at load centers.
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Remarkable Energy EfficiencyDemonstrates significantly reduced losses and enhanced operational efficiency.
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Technical Parameters
| Basic Parameters | |
|---|---|
| Installation conditions | Indoor |
| Model | SC(B)12、SC(B)14、SC(B)18 |
| Capacity | 30~5000, 30~25000 kVA |
| Rated voltage | High Voltage / Low Voltage: 20 kV / 0.4 kV, 20 kV / 10 kV |
| Impedance | 4~10% |
| Insulation class | Class F, Class H |
| Connection group | Dyn11、Yyn0 |
| Insulation level | LI125AC50/AC5，LI125AC50/LI75AC35 |
Executive standards | GB/T10228-2023 Technical parameters and requirements for dry-type power transformers GB/T 1094.11-2022 power transformers - part 11: dry-type transformers JB/T3837-2025 nomenclature for transformer products |
Product Documents
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Product Brochure
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SCB Series Transformer
2025-09-02
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The company consistently maintains robust innovative vitality, standing at the forefront of the industry and driving its advancement. Through cutting-edge technologies and products, it achieves goals of energy conservation, environmental protection, quality enhancement, and consumption reduction, continuously contributing to the development of a resource-efficient and environmentally friendly society.
