Rated capacity (kVA)

High voltage (kV)

High voltage tap range (%)

Low voltage (kV)

Bonding Group Label

S20

No-load current (%)

Short circuit impedance (%)

No-load loss kW

Load loss kW

30

20

± 2 × 2.5

± 5

0.4

Dyn11

Yzn11

Yyn0

70

528/504

1.70

5.5

50

90

768/728

1.60

63

110

912/872

1.50

80

125

1096/1040

1.40

100

145

1312/1256

1.30

125

170

1584/1504

1.20

160

205

1928/1840

1.10

200

245

2280/2176

1.00

250

290

2672/2544

0.96

315

340

3200/3048

0.88

400

415

3776/3592

0.80

500

485

4512/4304

0.80

630

585

5184

0.72

6.0

800

700

6272

0.64

1000

830

8560

0.56

1250

990

10000

0.56

1600

1200

12080

0.48

2000

1405

15280

0.48

2500

1680

17760

0.40