Dry type transformer

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20KV Series of Epoxy Resin Vacuum Casting Dry-Type Transformer

Low partial discharge, low noise, good heat dissipation, strong overload capacity in the condition of forced air cooling.

Feature of 20KV Series of Epoxy Resin Vacuum Casting Dry-Type Transfomer

The core surface of SCB11 series epoxy resin vacuum casting dry-type transformer is coated with special resin to prevent moisture and rust, effectively reducing no-load loss and no-load current. At the same time, because of their scientific and reasonable design and casting system, these products have the features of low partial discharge, low noise, good heat dissipation, and strong overload capacity in the condition of forced air cooling.

Technical Requirement of 20KV Series of Epoxy Resin Vacuum Casting Dry-Type Transfomer

Environment: -25℃~40℃

Altitude(m): 100 meters or less

Insulation Class: F Class

Frequency(Hz): 50

Tap Range: ±5%、±2*2.5%

Voltage Regulating Mode: No-load Voltage Regulating

Cooling Type: AN/FN

Technical Parameter of 20KV Series of Epoxy Resin Vacuum Casting Dry-Type Transfomer

Executive Standard: IEC60076 & National Standard

HV:20/22/24   LV:0.4/0.415
Capacity Connection Group No-Load Loss W On-Load Loss
W
No-Load Current
%
Short-Circuit Impedance
%
250 Dyn11 900 3150 2 6
320 1050 4200 2 6
400 1100 4900 2 6
560 1320 6000 2 6
630 1600 6500 2 6
750 1900 770 1.5 5.6
800 1900 8500 1.5 6
1000 2200 10000 1.5 6
1250 1650 11000 1.5 6
1500 2900 11426 1.5 5.6
1600 2900 13000 1.5 6
2000 3500 16000 1 6
2500 4300 19000 1 6
3000 4900 22000 1 6
3200 5200 23000 1 6
3500 5700 25000 1 6
4000 6200 27000 1 6.5

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