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20(10KV) Series of Double High-Voltage Convertible Dry-Type Transformer

Voltage regulating mode: no-load voltage regulating; Insulation class: F class; Tap range: ±5%、±2*2.5%

Feature of 20(10KV) Series of Double High-Voltage Convertible Dry-Type Transformer

When a series of dry-type transformers is connected to a line voltage of 20KV or 10KV, the connection state between two windings of each phase high-voltage coil is controlled by a conversion device, and the purpose of voltage conversion is achieved in series or parallel, while the output voltage is constant, thereby realizing a transformer product can be connected to the 10KV, 20KV class two voltage systems during the non-synchronous period. It is a transitional product when the network power 10KV will be upgraded to 20KV. It can reduce the repetitive investment but convenient and quick conversion and also has stable product performance.

Technical Requirement of 20(10KV) Series of Double High-Voltage Convertible Dry-Type Transformer

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 20(10KV) Series of Double High-Voltage Convertible Dry-Type Transformer

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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