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YB-12 Pad Mounted Substation (100–1000 kVA)

YB-12 integrated substation for 100–1000 kVA, 12/0.4 kV, three-phase 50 Hz systems, with separate HV, transformer and LV compartments.

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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.

Additional information

Product Family

Oil-Immersed

Rated Capacity

100–1000 kVA

Rated Voltage

12 kV (HV side)