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20KV Dry type transformer

AISITE 20KV Dry-type Three-Phase Transformers have the features of low loss, loss noise. And it is resistant to temperature changes. The primary voltage ratings vary from 35KV to 38.5KV. The rated power is from 50KVA to 2500KVA, which can meet the most requirement for dry-type transformers usage.

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Number:

e009

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  • Product Introduction

         AISITE 20kV Dry type transformers are made with a magnetic core from laminated grain-oriented silicon steel. Additionally, HV winding can also be wound from insulated by an inter-layer film, pre-impregnated with heat-activated epoxy resin. The ends of the windings are protected and insulated using Class F materials.  

          With outstanding resistance to harsh industrial atmospheres, excellent dielectric withstand and very good resistance to short-circuit conditions are ideal for industrial and commercial use.              


    Features

    Low loss, low noise, using high-quality materials and new processes, with high reliability. 
    Safe, fireproof, pollution-free, small size, light weight, suitable for installation in limited space. 
    High insulation temperature rise level, low loss, high efficiency, low noise, long life.


    Technical Specification

    Model

    Rated power 
    (kVA)

    Rated primary voltage 
    (kV)

    Tapping 
    (%)

    Rated secondary voltage 
    (no-load) 
    (kV)

    Vector group

    No-load losses 
    (W)

    Load losses 
    (W)

    No-load current 
    (%)

    Rated impedance 
    (%)

    SCB11-50

    50

    35 
    38.5

    ±2×2.5 
    ±5

    0.4

    Yyn0 
    Dyn11

    450

    1420

    2.3

    6.0

    SCB11-100

    100

    35 
    38.5

    ±2×2.5 
    ±5

    0.4

    Yyn0 
    Dyn11

    630

    2090

    2.0

    6.0

    SCB11-160

    160

    35 
    38.5

    ±2×2.5 
    ±5

    0.4

    Yyn0 
    Dyn11

    790

    2810

    1.5

    6.0

    SCB11-200

    200

    35 
    38.5

    ±2×2.5 
    ±5

    0.4

    Yyn0 
    Dyn11

    880

    3320

    1.5

    6.0

    SCB11-250

    250

    35 
    38.5

    ±2×2.5 
    ±5

    0.4

    Yyn0 
    Dyn11

    990

    3800

    1.3

    6.0

    SCB11-315

    315

    35 
    38.5

    ±2×2.5 
    ±5

    0.4

    Yyn0 
    Dyn11

    1170

    4510

    1.3

    6.0

    SCB11-400

    400

    35 
    38.5

    ±2×2.5 
    ±5

    0.4

    Yyn0 
    Dyn11

    1370

    5410

    1.1

    6.0

    SCB11-500

    500

    35 
    38.5

    ±2×2.5 
    ±5

    0.4

    Yyn0 
    Dyn11

    1620

    6650

    1.1

    6.0

    SCB11-630

    630

    35 
    38.5

    ±2×2.5 
    ±5

    0.4

    Yyn0 
    Dyn11

    1860

    7690

    1.0

    6.0

    SCB11-800

    800

    35 
    38.5

    ±2×2.5 
    ±5

    0.4

    Yyn0 
    Dyn11

    2160

    9120

    1.0

    6.0

    SCB11-1000

    1000

    35 
    38.5

    ±2×2.5 
    ±5

    0.4

    Yyn0 
    Dyn11

    2430

    1040

    0.75

    6.0

    SCB11-1250

    1250

    35 
    38.5

    ±2×2.5 
    ±5

    0.4

    Yyn0 
    Dyn11

    2830

    1270

    0.75

    6.0

    SCB11-1600

    1600

    35 
    38.5

    ±2×2.5 
    ±5

    0.4

    Yyn0 
    Dyn11

    3240

    1540

    0.75

    6.0

    SCB11-2000

    2000

    35 
    38.5

    ±2×2.5 
    ±5

    0.4

    Yyn0 
    Dyn11

    3820

    1820

    0.75

    6.0

    SCB11-2500

    2500

    35 
    38.5

    ±2×2.5 
    ±5

    0.4

    Yyn0 
    Dyn11

    4450

    2180

    0.75

    6.0


    Production Process


    FAQ

    Q1: Safer for indoor use than oil-filled transformers? 
    ▶ Yes. No flammable oil, self-extinguishing resin (IEC 60076-11), lower fire risk.

    Q2: Maintenance frequency? 
    ▶ Visual checks: 1-2 years. Core cleaning only in dusty areas. No oil maintenance.

    Q3: Maximum operating temperature? 
    ▶ Rated for 40°C ambient. At 50°C: ≈90% load capacity. Cooling kits available.

    Q4: Suitable for humid/coastal sites? 
    ▶ Yes. IP54 protection >95% humidity. Anti-corrosion coating for salt air.

    Q5: Space needed for installation? 
    ▶ 30% smaller than oil types. Minimum 500mm clearance from walls (NFPA 70).


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