66kV double-winding on-load voltage regulation power transformer

Rated capacity (kVA)

Voltage combination (kV)

Bonding group

No-load loss (kW)

No-load current (%)

Short circuit loss (kW)

Short circuit impedance (%)

High pressure

High voltage tap range

Low pressure

6300

63

66

69

± 8 × 1.25%

6.3

6.6

10.5

11

YNd11

10

0.6

36.0

9

8000

12

0.6

42.7

10000

14.2

0.55

50.4

12500

16.8

0.55

69.8

16000

20.2

0.5

73.5

20000

24

0.5

89.1

25000

28.4

0.45

105.3

31500

33.7

0.45

126.9

40000

40.3

0.4

148.9

50000

47.6

0.4

184.9

63000

56.2

0.35

222.3