35kV Class 2000kVA ~ 31500kVA Three-phase Double-winding On-load Tap Changer Power Transformer

Rated capacity (kVA)

Voltage combination and tap range

Bonding Group Label

Level 1 Energy Efficiency

Level 2 Energy Efficiency

Level 3 Energy Efficiency

Short circuit impedance (%)

High voltage (kV)

High voltage tap range (%)

Low voltage (kV)

No-load loss (kW)

Load loss (kW)

No-load loss (kW)

Load loss (kW)

No-load loss (kW)

Load loss (kW)

2000

35

± 3 × 2.5

6.3

10.5

Yd11

1.28

15.79

1.49

15.79

1.85

16.72

6.5

2500

1.51

18.67

1.77

18.67

2.19

19.76

3150

35 to 38.5

± 3 × 2.5

6.3

10.5

1.8

22.2

2.1

22.2

2.6

23.5

7.0

4000

2.1

26.2

2.5

26.2

3.1

27.6

5000

2.6

30.8

3.0

30.8

3.7

32.5

6300

3.1

33.0

3.7

33.0

4.5

34.9

8.0

8000

35 to 38.5

± 3 × 2.5

6.3

6.6

10.5

YNd11

4.3

36.5

5.1

36.5

6.3

38.6

10000

5.1

43.2

6.0

43.2

7.4

45.6

12500

6.0

51.1

7.1

51.1

8.7

54.0

16000

7.2

63.3

8.5

63.3

10.5

66.8

20000

8.5

74.4

10.1

74.4

12.4

78.6

25000

10.1

88.0

11.9

88.0

14.6

92.9

10.0

31500

12.0

104.4

14.2

104.4

17.4

110.2

Note: 1. For transformers with low voltage of 10.5kV, products with connection group label Dyn11 can be provided;

2. Transformers with various special parameters and performance can be manufactured according to user requirements.