110kV Class 6300kVA ~ 63000kVA Three-phase Double-winding Low Voltage 35kV Off-circuit 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±2 × 2.5%

115±2 × 2.5%

121±2 × 2.5%

36

37

38.5

YNd11

4.4

33

5.2

33

6.4

35

10.5

8000

5.3

40

6.2

40

7.7

42

10000

6.2

47

7.3

47

9

49

12500

7.2

56

8.5

56

10.5

59

16000

8.6

68

10.1

68

12.5

72

20000

10.2

85

12

85

14.8

89

25000

12.1

99

14.2

99

17.5

105

31500

14.3

120

16.8

120

20.7

126

40000

16.9

140

20

140

24.6

147

50000

20.3

174

24

174

29.5

183

63000

24

209

28.3

209

34.9

220