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YB口-12 Series Prefabricated substation(European box type)

This product fully complies with the GB17467 standard for high/low voltage prefabricated substations. Suitable for urban public power distribution, street light distribution, industrial and mining enterprises, urban buildings, residential communities, oil field docks, hotels, parks, and construction sites, etc., It can realize loop power or terminal power supply mode.

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Box-Type Substation Series

  • Product Description
  • This product fully complies with the GB17467 standard for high/low voltage prefabricated substations. Suitable for urban public power distribution, street light distribution, industrial and mining enterprises, urban buildings, residential communities, oil field docks, hotels, parks, and construction sites, etc., It can realize loop power or terminal power supply mode.

     

    Working conditions

    • Altitude: ≤ 1000m; 
    • Environmental temperature: -25 ℃~+40 ℃, (highest monthly average temperature+30 ℃, highest annual average temperature+20 ℃). 
    • Relative humidity: daily average not exceeding 95%, monthly average not exceeding 90%. 
    • Seismic resistance level: horizontal acceleration of 0.4m/s ², vertical acceleration of 0.15m/s ². 
    • Installation location: No severe impact, no serious pollution or chemical corrosion, no conductive dust, and no explosion hazard.
       

    Application Range

    Urban public power distribution, residential areas, densely populated residential districts, important government facilities, highways, etc. Also suitable for oil fields, industrial and mining enterprises, and temporary construction sites. 
     

    Technical specifications

    No. 

    Name

     Unit

    High voltage apparatus

    Transformer

    Low voltage
    apparatus

    1

    Rated voltage

    kV

    6/10

    6/0.4 10/0.4

    0.4

    2

    Rated capacity

    kVA

     

    50 and above

     

    3

    Rated current

    A

    200、400、630

     

    100~3200

    4

    Rated short circuit
    breaking current

    A

    Load switch 400-600

     

    15~63kA

    kA

    Depends on the fuse if it's combination switch

     

    5

    Rated short-time
    withstand current

    kA

    16,20(4s)

     

    15(1s)

     

    30(1s)

    6

    Rated peak
    withstand current

    kA

    31.5,50

     

    30

     

    63

    7

    Power frequency
    withstand voltage
    (1min)

    kV

    Relatively and alternately 32/42

    25/35(oil)

    ≤0.3,2

    Isolating fracture 36/48

    20/28(dry)

    >0.3,2.5

    8

    Lightning impulse
    withstand voltage
    (peak value)

    kV

    Relatively and alternately 60/75

    60/75

     

    Isolating fracture 70/85

     

    9

    Box protection level

     

     

    IP44 IK10

     

    10

    Noise level

    dB

     

    45

     

    11

    Executive standard

     

    GT/T 17467

     

     

    DL/T 537

     

     

    Note: When the transformer capacity is less than 200kVA, items 5 and 6 are not required.

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