SCB Series 35kV Energy-Efficient Dry-Type TransformerTransformer
This 35kV epoxy resin-cast transformer, with a capacity of up to 25,000kVA, is engineered for efficient power conversion in grid applications. It offers high reliability and safety.
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Its vacuum-sealed design provides excellent resistance to moisture and dust, ensuring maintenance-free operation in stringent conditions. The product meets IEC, GB, and other key standards.
Core Advantages & Features
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High-Quality Resin CastingVacuum-cast with Class H flame-retardant epoxy resin for smooth finish and superior mechanical strength.
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Robust Short-Circuit ResistancePerforms reliably at 100% humidity with excellent moisture protection.
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Noise & Loss ReductionAutomated core stacking reduces noise by 5 dB and no-load losses by 5% compared with manual processes.
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No Preheating RequiredEnsures easy, dehumidification-free operation and reliable startup.
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Compact & Crack-Resistant DesignSmall, lightweight, and durable, featuring low partial discharge and no surface crazing.
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High Electrical StrengthProvides high insulation and superior impulse withstand performance.
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Maintenance-Free & Flame-RetardantOperates at 150% rated load under forced-air cooling; safe for direct load-center installation.
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On-Load Tap ChangerEquipped for automatic voltage regulation during load operation.
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Energy-Saving OperationLow no-load and load losses deliver high efficiency and long-term energy savings.
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Technical Parameters
| Basic Parameters | |
|---|---|
| Installation Conditions | Indoor |
| Model | SC(B)12、SC(B)14、SC(B)18 |
| Capacity | 30~25000 kVA |
| Rated Voltage | High-voltage/Low-voltage: 35/10 kV |
| Impedance | 6~10% |
| Insulation Class | Class F, Class H |
| Connection Group | Dyn11, Yyn0, Yd11 |
| Insulation Level | 35/0.4kV: LI170AC70/AC5 35/10kV: LI170AC70/LI75AC35 |
Executive Standards | GB/T 10228-2023 Technical parameters and requirements for dry-type power transformers GB/T 1094.11-2022 power transformers - part 11: dry-type transformers T/CEEIA258-2016 6kV~35kV energy efficiency limits and grades for 6 kV~35 kV transformers JB/T3837-2025 product model coding method for transformer products |
Product Documents
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Product Brochure
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Product Certification
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SCB Series Transformer
2025-09-02
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ASTA Type Certificate of Type Tests - Transformer SCB Series 35kV
2026-01-05
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