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Power Transformer
Home > Products > Power Transformer





Two Winding Off-load Tap Change Power Transformer




Rated Power
(kVA)

Voltage Combination

Vector Group

Loss(kW)

No-load Current(%)

Impedance
(%)

Primary Voltage

Secondary Voltage

No load

Load

31500

220±2*2.5%
242±2*2.5%

6.3

6.6

10.5

11

YNd11

24

128

0.7

13

40000

30

140

0.7

13

50000

37

175

0.5

13

63000

45

230

0.5

13.5

75000

10.5

 

11

13.8

50

268

0.4

17

80000

53

262

0.3

13

90000

60

270

0.3

12~14

120000

80

325

0.3

14

150000

11
13.8
15.75
18
20

85

430

0.3

18

160000

95

420

0.3

14

180000

95

480

0.2

14~16

240000

96

620

0.2

18.5

250000

 

120

518

0.2

13

290000

145

550

0.2

14

300000

15.75
18
20

126

640

0.2

14

330000

135

680

0.2

15

360000

165

670

0.2

14

370000

157

720

0.2

18.5

400000

185

735

0.2

14

420000

200

820

0.16

14



Two Winding On-load Tap Change Power Transformer

Rated Power
(kVA)

Voltage Combination

Vector Group

Loss(kW)

No-load Current(%)

Impedance
(%)

Primary Voltage

Secondary Voltage

No load

Load

31500

220±8*1.25%

6.3
6.6
10.5
11
35
37
38.5

YNd11

35

135

0.70

18.5

40000

40

170

0.70

14

50000

51

185

0.60

24

63000

55

210

0.60

14

90000

10.5
11
35
37
38.5

70

270

0.40

13

120000

90

340

0.40

13

150000

120

405

0.30

13.5

180000

130

450

0.20

13

120000

66
69

98

365

0.40

12~14

150000

115

440

0.30

180000

133

498

0.20



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