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35KV Series of On-Load Voltage Regulating Oil-Immersed Power Transformer

Low magnetic leakage, high mechanical strength, strong ability to withstand short-circuits, excellent electrical property.

Feature of 35KV Series of On-Load Voltage Regulating Oil-Immersed Power Transformer

This series of on-load voltage regulating oil-immersed power transformers strictly implement the National "Technical Guidelines for Power Systems", and can directly supply power to the power supply center.

With the premise of achieving on-site balance of reactive power partitions, the regional load increases or decreases, the products cooperate with the switching of parallel capacitors and low-voltage reactors of reactive power compensation equipment and adjust the taps, so as to ensure the voltage quality of the power supply to users at any time.

In addition to small-capacity transformers use layer coils, large-capacity transformers use continuous coil structures for high and low voltages. The longitudinal capacities of terminal are well distributed, effectively improving the voltage at the ends, balancing the distribution of ampere-turns,as well as having low magnetic leakage, high mechanical strength, and strong ability to withstand short-circuits.

The transformer body and the general assembly are vacuum-dried and vacuum- oiled in order to fully guarantee the transformer's electrical property.

Technical Requirement of 35KV Series of On-Load Voltage Regulating Oil-Immersed Power Transformer

Environment: -25℃~40℃

Altitude(m): 100 meters or less

Insulation Class: A Class

Frequency(Hz): 50

Tap Range: ±5%、±2*2.5%

Voltage Regulating Mode: No-load Voltage Regulating

Cooling Type:ONAN

Technical Parameter of 35KV Series of On-Load Voltage Regulating Oil-Immersed Power Transformer

Executive Standard: IEC60076 & National Standard

HV:35/38.5      LV:0.4/0.415
Capacity Connection Group No-Load Loss W On-Load Loss
W
No-Load Current
%
Short-Circuit Impedance
%
Y-Connection D-Connection
50 Yyn0
Dyn11
160 1140 1200 1.3 6.5
100 230 1910 2010 1.1 6.5
160 280 2680 2820 1 6.5
200 340 3160 3320 1 6.5
250 400 3760 3950 0.95 6.5
315 480 4530 4750 0.95 6.5
400 580 5470 5740 0.85 6.5
500 680 6580 6910 0.85 6.5
630 830 7860 7860 0.65 6.5
800 980 9400 9400 0.65 6.5
1000 1150 11500 11500 0.65 6.5
1250 1400 13900 13900 0.6 6.5
1600 1690 16600 16600 0.6 6.5
2000 1990 19700 19700 0.55 6.5
2500 2360 23200 23200 0.55 6.5

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