Description
The YB-12 pad mounted substation integrates high-voltage switchgear, a transformer and low-voltage distribution equipment in separate compartments. The published range is 100–1000 kVA with a 12 kV high-voltage side and 0.4 kV low-voltage side, for three-phase, 50 Hz distribution systems.
Pad Mounted Substation — YB-12 — Key Features
- Separate high-voltage, transformer and low-voltage compartments.
- Ring-network, terminal or dual-supply configurations.
- High-voltage or low-voltage metering arrangements.
- Factory-prefabricated enclosure with an integrated base.
- Ventilation, cooling and lighting, with optional dehumidification.
Technical Parameters
| Parameter | Value |
|---|---|
| Transformer capacity | 100–1000 kVA |
| System | Three-phase AC, 50 Hz |
| High-voltage side | 12 kV |
| Low-voltage side | 0.4 kV |
| HV rated current | 400 / 630 A |
| LV rated current | 200–2000 A |
| Compartment protection | HV: IP33; transformer: IP23; LV: IP33 |
Standards
Technical specification reference: IEC 62271-202:2022 (AC prefabricated substations). GB references: GB/T 17467. The applicable requirements and test programme are to be agreed in the project specification.
Applications
- Urban distribution installations.
- Industrial local substations.
- Commercial sites requiring enclosed distribution equipment.
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