SG(B)10, SG(B)11 non-encapsulated dry type transformer

Features
  • Dustproof and damp-proof: the appearance is coated with special waterproof materials to form a dustproof, damp-proof and anti-pollution special protective layer.
  • Small size and light weight: DuPont NOMEX paper is taken as the main insulating material, the volume and weight can be reduced by 20% compared with epoxy casting type transformer in same capacity.
  • Strong cooling capacity: multi-layer cylindrical, longitudinal multi-air-channel structure, better in cooling effect compared with epoxy casting transformer
  • Environment protection: Reliable, free of combustion-supporting resin, non-toxic, able to be decomposed and recycled, and pollution-free
Applicable Place
  • Especially applicable to the areas with high temperature, humidity and dirt in China such as hydropower plant, thermal power plant, steel works, chemical engineering and mine.

Product Details

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  • Model Description

  • Features
    • Dustproof and damp-proof: the appearance is coated with special waterproof materials to form a dustproof, damp-proof and anti-pollution special protective layer.
    • Small size and light weight: DuPont NOMEX paper is taken as the main insulating material, the volume and weight can be reduced by 20% compared with epoxy casting type transformer in same capacity.
    • Strong cooling capacity: multi-layer cylindrical, longitudinal multi-air-channel structure, better in cooling effect compared with epoxy casting transformer
    • Environment protection: Reliable, free of combustion-supporting resin, non-toxic, able to be decomposed and recycled, and pollution-free
  • Conditions of Use
    • Altitude: ≤1,000m; -25℃≤ambient temperature≤40℃, indoor type. Keep well-ventilated for the transformer with air self-cooling and forced air cooling type. When the transformer is installed in basement or other environments with poor ventilation condition, increase cooling and ventilation device. Protection grade: IP00, IP20 and IP23.
    • When the altitude is >1,000m or the ambient temperature is higher than 40℃ or lower than -25℃, adjust the rated value of product according to the requirements of GB1094.11 Power transformers-Part 11: Dry-type transformers.

  • Technical Parameters
  • Technical parameters of SCR(B)10-30~2500/10 series non-encapsulated dry type transformer


  • Rated capacity kVA

    Voltage combinations (kV)

    Grade mark of connection group

    No-load loss (W)

    Load loss (W)

    Short-circuit impedance (%)

    High voltage (kV)

    Tap (%)

    Low voltage (kV)

    30

    6 6.3 6.6 10 10.5 11

    ±2.5

    ±5

    0.4

    Dyn11 Yyn0

    190

    760

    4.0

    50

    270

    1070

    80

    370

    1480

    100

    400

    1690

    125

    470

    1980

    160

    540

    2280

    200

    ±5 ±2×2.5

    620

    2710

    250

    720

    2960

    315

    880

    3730

    400

    980

    4280

    500

    1160

    5230

    630

    1340

    6290

    630

    1300

    6400

    6.0

    800

    1520

    7460

    1000

    1770

    8760

    1250

    2090

    10300

    1600

    2450

    12500

    2000

    3050

    15500

    2500

    3600

    18400



  • Technical parameters of SCR(B)11-30~2500/10 series non-encapsulated dry type transformer


  • Rated capacity kVA

    Voltage combinations (kV)

    Grade mark of connection group

    No-load loss (W)

    Load loss (W)

    Short-circuit impedance (%)

    High voltage (kV)

    Tap (%)

    Low voltage (kV)

    30

    6 6.3 6.6 10 10.5 11

    ±2.5

    ±5

    0.4

    Dyn11 Yyn0

    170

    760

    4.0

    50

    240

    1070

    80

    330

    1480

    100

    360

    1690

    125

    420

    1980

    160

    480

    2280

    200

    ±5 ±2×2.5

    550

    2710

    250

    640

    2960

    315

    790

    3730

    400

    880

    4280

    500

    1040

    5230

    630

    1200

    6290

    630

    1170

    6400

    6.0

    800

    1360

    7460

    1000

    1590

    8760

    1250

    1880

    10300

    1600

    2200

    12500

    2000

    2740

    15500

    2500

    3240

    18400


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