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Type

Rated
capacity
(KVA)

Connection
symbol

Voltage combination (KV)

No-load
losses
(W)

Load losses
(W)

No-load
current
(%)

Short-circuit
impedance
（%）

H.V

Tapping
range

L.V

11-30

30

Yyn0

or

Dyn11

11

±5%

or

±2×2.5%

0.4

100

600

2.3

4.0

11-50

50

130

870

2.0

11-63

63

150

1040

1.9

11-80

80

180

1250

1.9

11-100

100

200

1500

1.8

11-125

125

240

1800

1.7

11-160

160

280

2200

1.6

11-200

200

340

2600

1.5

11-250

250

400

3050

1.4

11-315

315

480

3650

1.4

11-400

400

570

4300

1.3

11-500

500

680

5100

1.2

11-630

630

810

6200

1.1

4.5

11-800

800

980

7500

1.0

11-1000

1000

1150

10300

1.0

11-1250

1250

1360

12800

0.9

11-1600

1600

1640

14500

0.8

11-2000

2000

2280

17820

0.6

5.0

11-2500

2500

2700

20700

0.6