110kV Class 6300kVA ~ 63000kVA Three-phase Triple-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)

Medium voltage (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%

36

37

38.5

6.3

6.6

10.5

21

YNyn0d11

5.3

40

6.2

40

7.7

42

High-Medium 10.5

High-Low 17.5~18.5

Medium-low 6.5

8000

6.3

48

7.5

48

9.2

50

10000

7.5

56

8.8

56

10.9

59

12500

8.9

67

10.5

67

12.9

70

16000

10.6

81

12.5

81

15.4

86

20000

12.5

95

14.8

95

18.2

101

25000

14.9

113

17.6

113

21.6

120

31500

17.7

134

20.9

134

25.7

142

40000

21.2

161

25

161

30.8

170

50000

25

192

29.6

192

36.4

202

63000

29.8

230

35.2

230

43.3

243

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

2. The capacity distribution of high, medium and low voltage windings is (100/100/100)%;

3. According to user requirements to manufacture a variety of special parameters and performance of the transformer.