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Product Highlights & Details

YB Series Prefabricated Substation

Compact structure, highly integrated, Reliable operation, aesthetic appearance Preferred complete distribution transformation and substation assembly for urban and rural power grids.

  • Prefabricated Substation Combined/Package Type
  • Structural Layout M: In-line layout 4- P: T-shaped layout
  • Max System Operating Voltage (HV side, kV)
  • Rated LV Voltage (kV)
  • Rated Capacity (kVA)
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Product Overview

Urban and rural medium-voltage power grids consist of two parts: medium-voltage distribution networks and low-voltage distribution networks. Medium-voltage distribution networks include head-end substations, terminal substations, distribution substations (switching stations), distribution lines, as well as pole-mounted or ground-mounted switchgear, involving transformers, switchgear, metering equipment, voltage-limiting and current-limiting devices, distribution lines, etc.

Product Features

  • All equipment is supplied as a single complete set by the manufacturer, eliminating the need for further procurement by
    the user. Design, manufacturing, final assembly, and secondary wiring are all completed within the factory.
  • After passing type tests and factory inspection tests, the units can be safely and smoothly transported as a whole to the user’s site.
  • The system features high integration, compact volume, reduced footprint, flexible site selection, fast and convenient
    installation, a short commissioning cycle, a clean and aesthetic appearance, and strong environmental adaptability with
    the ability to harmonize with the surrounding environment.
  • Able to penetrate deep into medium-voltage load centers, reducing network losses and improving power supply quality.
  • Saves capital and manpower with low investment and fast results; requires no civil engineering investment, eliminates
    the need for on-duty personnel, provides long maintenance intervals, and improves safety and operational reliability.
    Adapts to the requirements of modern urban underground cabling projects. When the substation is no longer needed at
    a specific site, it can be relocated and reused, eliminating repetitive investment.

Operating Condition

  • Installation: Outdoor
    Altitude: <1000m (Customizable for
    high altitude products)
    Max ambient temperature: +40°C
    Max monthly average temperature:
    +35°C
    Max annual average temperature:
    +20°C
    Protection rating: IP33D, IP54
    Relative humidity:
    Max monthly average: 90% (20°C)
    Max daily average: 90% (20°C)
    Maximum daily temperature
    difference: 25°C
    Solar radiation intensity: 0.1w/cm2
    (0.5m/s)
    Min ambient temperature: -25°C
    (Outdoor)
    Pollution level: Class III
    Rainproof level: Grade 3
    Inclination of installation site: Not
    more than 3 degrees
    Seismic resistance:
    Ground horizontal acceleration: 0.2g
    Ground vertical acceleration: 0.1g
    Executive Standards:
    GB/T17467
    High-voltage/low-voltage
    prefabricated substation