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35KV Series of Epoxy Resin Cast Dry-Type Power Transformer

Tap Range: 50-160KVA:±2.5%、±5%; 200-2500KVA:±5%、±2*2.5% HV:35/36/37/38.5 LV:0.4/0.415

Feature of 35KV Series of Epoxy Resin Cast Dry-Type Power Transformer

This series of dry-type transformers are used to directly reduce 35KV electrical grid power supply to 400V distribution power supply for users and omits the stage of 10KV transmission and transformation., which significantly decreases operating costs and engineering construction costs of multi-level substation projects, and have significant social benefits. By optimizing the structure of the high-voltage coil, the distributions of voltage and capacitance between layers are improved, which greatly enhances the impact resistance of products to withstand atmospheric over-voltage and operating over-voltage, as well as improves the electric field distribution and further reduces the partial discharge volume of product.

Technical Requirement of 35KV Series of Epoxy Resin Cast Dry-Type Power Transformer

Environment: -25℃~40℃

Altitude(m): 100 meters or less

Insulation Class: F Class

Frequency(Hz): 50

Tap Range: 50-160KVA:±2.5%、±5%; 200-2500KVA:±5%、±2*2.5%

Voltage Regulating Mode: No-load Voltage Regulating

Cooling Type: AN/FN

Technical Parameter of 35KV Series of Epoxy Resin Cast Dry-Type Power Transformer

Executive Standard: IEC60076 & National Standard

HV:35/36/37/38.5   LV:0.4/0.415
Capacity Connection Group No-Load Loss
W
On-Load Loss
W
No-Load Current
%
Short-Circuit Impedance
%
50 Yyn0
Dyn11
450 1420 2.3 6
100 630 2090 2 6
160 790 2810 1.5 6
200 880 3320 1.5 6
250 990 3800 1.3 6
315 1170 4510 1.3 6
400 1370 5410 1.1 6
500 1620 6650 1.1 6
630 1860 7690 1 6
800 2160 9120 1 6
1000 2430 10400 0.75 6
1250 2830 12700 0.75 6
1600 3240 15400 0.75 6
2000 3820 18200 0.75 6
2500 4450 21800 0.75 6

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