cast resin transformer

Cast resin transformer

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Cast resin transformer  that both HV&LV windings are surrounded and filled by epoxy resin are with the capability of fire proof, self-extinguishing, coil does not absorb moisture, thin resin in both inner and outer of coil can ensure good heat dissipation. Dry type transformers can be installed and operated in the user’s infrastructure directly. Such as high-rise buildings, airport, port, power station, residential area, pad-mounted substation, etc.

Nominal

Capacity

kVA

Voltage unit combination

LV

Vector group

No-load loss

(W)

Load loss(W)

No-load

Current

(%)

Short-circuit

impedance

HV

High

Voltage

Tap range

F

(120)

H

(120)

800

35

36

37

38.5

±2×2.5%    or±5%

3.15

6

6.3

10

10.5

11

Yyn0

Yd11

Dyn11

2250

9400

10000

0.95

6.0

1000

2670

10900

11600

0.95

1250

3130

12900

13800

0.85

1600

3690

15400

16500

0.85

2000

4230

18200

19500

0.75

7.0

2500

4860

21800

23300

0.75

3150

6030

24500

26200

0.70

8.0

4000

7020

29400

31500

0.70

5000

8370

34900

37400

0.60

6300

9900

40800

43700

0.60

8000

Ynd11

Yd11

Dyn11

11300

46000

49300

0.50

9.0

10000

12900

55500

59400

0.50

12500

6

6.3

10

10.5

15700

64600

69100

0.40

16000

19300

76000

81300

0.40

20000

22900

85500

91500

0.35

10.0

25000

27100

101000

108000

0.35


Cast Resin transformers have an inherently safe characteristic of self fire-extinguishing and fire resistance. So there would be no fear of spread of fire even if a fire took place in nearby equipment