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Three Phase Dry Type 3D Core Distribution Transformer - Image 1
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Three Phase Dry Type 3D Core Distribution Transformer

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3 Dimension (3D) Wound Cores” are made from three identical single-core frames of trapezoidal silicon steel tape, wound into a compact triangular structure that eliminates air gaps. This innovative design ensures uniform flux flow, reduces total core weight, lowers no-load loss by 20-25%, and decreases excitation current by 50%, significantly minimizing reactive loss and improving the transformer’s power factor (Cos-phi).

SKU: JK-TRDR-001-1 Category:
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Description

Our Dry Type Transformers, designed for up to 36 kV and 10,000 kVA applications, feature high-efficiency, fire-resistant, and eco-friendly insulation with Class F or H ratings, copper or aluminum windings, natural or forced air cooling, IP00–IP54 protection, compliance with IEC, IEEE, and local standards, and advanced safety features like thermal sensors and short-circuit resistance, making them ideal for commercial, industrial, and infrastructure applications.

Dry Type Transformer (20kV System Voltage)

COPPER WINDING SPESIFICATIONS
Phase Capacity Impedance No Load Loss Load Lose Total Loss Transformer Dimension Total Weight Approx Enclosure Dimension
kVa % % Watt Watt mm kg mm
3 630 4 1600 8800 1040 1700*1300*1692 2650 2375*1712*2422
3 800 5 1900 9500 11400 1700*1500*1695 2900
3 1000 5 2350 11000 13350 1800*1500*1782 3100
3 1250 5.5 2500 15800 18300 2000*1650*2125 3600 2650*1960*2570
3 1600 6 2900 18200 21100 2060*1650*2115 4070
3 2000 7 3400 23000 26400 2290*1750*2085 5410 2910*1960*2570
3 2500 7 4200 24700 28900 2400*1750*2014 5580

Dry Type Transformer (20kV System Voltage)

ALLUMUNIUM WINDING SPESIFICATIONS
Phase Capacity Impedance No Load Loss Load Lose Total Loss Transformer Dimension Total Weight Approx Enclosure Dimension
kVa % % Watt Watt mm kg mm
3 630 4 1600 8800 1040 1600*1300*1911 2050 2400*1765*2670
3 800 5 1900 9500 11400 1680*1500*2042 2400
3 1000 5 2350 11000 13350 1690*1500*2195 2650
3 1250 5.5 2500 15800 18300 1735*1500*2195 3070 2560*1710*2832
3 1600 6 2900 18200 21100 1900*1500*2277 3850
3 2000 7 3400 23000 26400 2100*1900*2364 4300 2810*2115*2823
3 2500 7 4200 24700 28900 2300*1902*2420 4720

Overall and mounting dimensions(mm)

Additional information

Weight 5580 kg
Dimensions 360 × 220 × 240 cm
Capacity (kVa)

200kVa, 250kVa, 315kVa, 400kVa, 500kVa, 630kVa, 800kVa, 1000kVa, 1250kVa, 1600kVa, 2000kVa, 2500kVa, 3000kVa, 3150kVa, 3500kVa, 4000kVa
Cooling Method

Dry-type Transformer

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Oil Immersed Distribution Transformer

ADDITIONAL PICTURE

 

Transformer normal service conditions

The height above the sea level is below 1000m;
Highest air temperature +40ºC;
Highest daily average air temperature+30ºC;
Highest annual average air temperature +20ºC;
Lowest outdoor air temperature -5ºC.
(defines in detail when transformer in special service conditions )

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