110kV Class 6300kVA ~ 63000kVA 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 and tap range (kV)

Low voltage (kV)

No-load loss (kW)

Load loss (kW)

No-load loss (kW)

Load loss (kW)

No-load loss (kW)

Load loss (kW)

6300

110±8 × 1.25%

6.3

6.6

10.5

21

YNd11

4.4

32

5.2

32

6.4

33

10.5

8000

5.3

38

6.2

38

7.7

40

10000

6.2

45

7.3

45

9

48

12500

7.4

53

8.7

53

10.7

56

16000

8.9

66

10.5

66

12.9

69

20000

10.6

79

12.5

79

15.4

84

25000

12.5

94

14.8

94

18.2

99

31500

14.9

111

17.6

111

21.6

117

40000

17.8

140

21

140

25.8

148

50000

21

175

24.8

175

30.6

184

63000

25

209

29.5

209

36.3

220

Note: 1, on-load voltage regulating transformer, temporarily provide step-down structure products;

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