Rated capacity (kVA)

High voltage (kV)

High voltage tap range (%)

Low voltage (kV)

S20-M

No-load current

%

Short circuit impedance (%)

Electrical steel strip

No-load loss W

Load loss W

Dyn11/Yzn11

Yyn0

30

6

6.3

10

10.5

± 2 × 2.5

± 5

0.4

70

505

480

1.20

4.0

50

90

730

695

1.04

63

100

870

830

0.96

80

115

1050

1000

0.96

100

135

1265

1200

0.88

125

150

1510

1440

0.88

160

180

1850

1760

0.80

200

215

2185

2080

0.80

250

260

2560

2440

0.72

315

305

3065

2920

0.72

400

370

3615

3440

0.64

500

430

4330

4120

0.64

630

510

4960

0.48

4.5

800

630

6000

0.48

1000

745

8240

0.48

1250

870

9600

0.40

1600

1050

11600

0.40

2000

1225

14640

0.32

5

2500

1440

16960

0.32