ZQSCB Series Rail Transit Traction Rectifier TransformerTransformer
This series is the core power supply equipment for urban rail transit systems. It converts high-voltage AC from the grid into the DC power required for train traction.
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Available in 10kV, 20kV, and 35kV ratings with 12 or 24-pulse rectification, these dry-type transformers provide the critical link between the public grid and rail traction systems, ensuring stable and efficient operation.
Core Advantages & Features
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Reliable Insulation SystemEnsures safe and stable long-term operation.
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Low Energy LossLow no-load loss significantly improves efficiency.
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Extended Service LifeMinimal partial discharge enhances operational longevity.
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Strong Impact ResistanceWithstands short-circuit and grid impact conditions effectively.
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Technical Parameters
| Basic Parameters | |
|---|---|
| Operation conditions | Indoor installation |
| Model | ZQSCB |
| Capacity | 30~4000 kVA |
| Rated voltage | High Voltage: 10 kV, 20 kV, 35 kV Low Voltage: 0.59 kV, 1.18 kV |
| Impedance | 6~8% |
| Insulation Class | Class F, Class H |
| Connection group | Dy11d0, Dy1d2（±7.5°）, Dy5d0, Dy7d2（±7.5°） |
| Insulation level | 10 kV: LI75AC35/AC3 20 kV: LI125AC50/AC3 35 kV: LI170AC70/AC3 |
Executive standards | JB/T10693-2007 dry-type traction rectifier transformers for urban rail transit GB/T 1094.11-2022 power transformers - part 11: dry-type transformers |
产品文档
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Product Brochure
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SCB Series Transformer
2025-09-02
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