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OIL TYPE TRANSFORMER

Three-Dimensional Coil Core Oil-Immersed Transformer

The high voltage step down oil immersed power transformer is completely symmetrical, the magnetic resistance is greatly reduced, the excitation current, and the no-load loss are reduced.

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Feature of Three-Dimensional Coil Core Oil-immersed Transformer

This series of oil-immersed transformers breaks through the traditional planar structure and adopts a three-phase symmetrical three-dimensional structure. The magnetic circuit of the three-phase iron core is completely symmetrical, the magnetic resistance is greatly reduced, and the excitation current and no-load loss are significantly decreased. It is an energy-efficient transformers that use traditional materials but have lower noise and more compact. Its outstanding performance in energy conservation and environmental protection is completely compliance with China's energy conservation policy. This series of products are suitable for 10KV power saving projects such as urban power grid, rural power grid, factories, schools and so on.
Three-Dimensional Coil Core Oil-Immersed Transformer
Technical Requirement of Three-Dimensional Coil Core Oil-immersed 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 Three-Dimensional Coil Core Oil-immersed Transformer

Executive Standard: IEC60076 & National Standard

HV:11/10.5/10/6.6/6.3/6      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
30 Yyn0
Dyn11
Yzn11
100 600 630 1.5 4
50 130 870 910 1.3 4
80 180 1250 1310 1.2 4
100 200 1500 1580 1.1 4
160 280 2200 2310 1 4
200 340 2600 2730 1 4
250 400 3050 3200 0.9 4
315 480 3650 3830 0.9 4
400 570 4300 4520 0.8 4
500 680 5150 5410 0.8 4
630 Yyn0
Dyn11
810 6200 6200 0.6 4.5
800 980 7500 7500 0.6 4.5
1000 1150 10300 10300 0.6 4.5
1250 1360 12000 12000 0.5 4.5
1600 1640 14500 14500 0.5 4.5
2000 1940 18300 18300 0.4 5
2500 2290 21200 21200 0.4 5

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